id
stringlengths 8
22
| question
stringlengths 17
586
| choices
dict | answerKey
stringclasses 9
values | prompt
stringlengths 74
739
| chosen
stringlengths 14
159
| rejected
stringlengths 13
146
| text
stringlengths 91
815
|
|---|---|---|---|---|---|---|---|
Mercury_177100 | Which of the following is the most important safety practice when using a rock hammer on a geology field trip? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"wear gloves while breaking rocks",
"wear goggles while breaking rocks",
"have a bucket of sand in case of sparks",
"have a clean eye-wash station available"
]
} | B | Question: Which of the following is the most important safety practice when using a rock hammer on a geology field trip?
(A) wear gloves while breaking rocks
(B) wear goggles while breaking rocks
(C) have a bucket of sand in case of sparks
(D) have a clean eye-wash station available
| Answer: (B) wear goggles while breaking rocks | Answer: (A) wear gloves while breaking rocks | Question: Which of the following is the most important safety practice when using a rock hammer on a geology field trip?
(A) wear gloves while breaking rocks
(B) wear goggles while breaking rocks
(C) have a bucket of sand in case of sparks
(D) have a clean eye-wash station available
Answer: (B) wear goggles while breaking rocks |
Mercury_403701 | To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"reproductive system",
"excretory system",
"digestive system",
"endocrine system"
]
} | C | Question: To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong?
(A) reproductive system
(B) excretory system
(C) digestive system
(D) endocrine system
| Answer: (C) digestive system | Answer: (A) reproductive system | Question: To which organ system do the esophagus, liver, pancreas, small intestine, and colon belong?
(A) reproductive system
(B) excretory system
(C) digestive system
(D) endocrine system
Answer: (C) digestive system |
Mercury_7024308 | When sodium hydroxide reacts with a copper nitrate solution, the reaction vessel needs to be kept on ice to slow down the reaction. What best describes this reaction? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"an exothermic reaction that absorbs energy",
"an exothermic reaction that releases energy",
"an endothermic reaction that absorbs energy",
"an endothermic reaction that releases energy"
]
} | B | Question: When sodium hydroxide reacts with a copper nitrate solution, the reaction vessel needs to be kept on ice to slow down the reaction. What best describes this reaction?
(A) an exothermic reaction that absorbs energy
(B) an exothermic reaction that releases energy
(C) an endothermic reaction that absorbs energy
(D) an endothermic reaction that releases energy
| Answer: (B) an exothermic reaction that releases energy | Answer: (A) an exothermic reaction that absorbs energy | Question: When sodium hydroxide reacts with a copper nitrate solution, the reaction vessel needs to be kept on ice to slow down the reaction. What best describes this reaction?
(A) an exothermic reaction that absorbs energy
(B) an exothermic reaction that releases energy
(C) an endothermic reaction that absorbs energy
(D) an endothermic reaction that releases energy
Answer: (B) an exothermic reaction that releases energy |
Mercury_184485 | Scientists measured the patterns of spectral lines given off by distant galaxies and concluded that almost all of these galaxies are moving away from Earth. What did the scientists observe directly? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a shift toward longer wavelengths of light",
"a shift toward shorter wavelengths of light",
"the absence of wavelengths in the visible light range",
"the compression of wavelengths in the visible light range"
]
} | A | Question: Scientists measured the patterns of spectral lines given off by distant galaxies and concluded that almost all of these galaxies are moving away from Earth. What did the scientists observe directly?
(A) a shift toward longer wavelengths of light
(B) a shift toward shorter wavelengths of light
(C) the absence of wavelengths in the visible light range
(D) the compression of wavelengths in the visible light range
| Answer: (A) a shift toward longer wavelengths of light | Answer: (B) a shift toward shorter wavelengths of light | Question: Scientists measured the patterns of spectral lines given off by distant galaxies and concluded that almost all of these galaxies are moving away from Earth. What did the scientists observe directly?
(A) a shift toward longer wavelengths of light
(B) a shift toward shorter wavelengths of light
(C) the absence of wavelengths in the visible light range
(D) the compression of wavelengths in the visible light range
Answer: (A) a shift toward longer wavelengths of light |
Mercury_7075198 | When a multicellular organism is damaged, it will repair itself as | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"it mutates.",
"the cells work together.",
"the cells move.",
"it makes its own food."
]
} | B | Question: When a multicellular organism is damaged, it will repair itself as
(A) it mutates.
(B) the cells work together.
(C) the cells move.
(D) it makes its own food.
| Answer: (B) the cells work together. | Answer: (C) the cells move. | Question: When a multicellular organism is damaged, it will repair itself as
(A) it mutates.
(B) the cells work together.
(C) the cells move.
(D) it makes its own food.
Answer: (B) the cells work together. |
Mercury_7057995 | Genes are located on chromosomes which are composed of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"DNA.",
"RNA.",
"ATP.",
"ADP."
]
} | A | Question: Genes are located on chromosomes which are composed of
(A) DNA.
(B) RNA.
(C) ATP.
(D) ADP.
| Answer: (A) DNA. | Answer: (B) RNA. | Question: Genes are located on chromosomes which are composed of
(A) DNA.
(B) RNA.
(C) ATP.
(D) ADP.
Answer: (A) DNA. |
MCAS_2007_8_5183 | Which of the following best describes the number of chromosomes in a normal human liver cell? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"23 pairs of chromosomes",
"46 different types of chromosomes",
"46 male chromosomes and 46 female chromosomes",
"23 original chromosomes and 23 duplicate chromosomes"
]
} | A | Question: Which of the following best describes the number of chromosomes in a normal human liver cell?
(A) 23 pairs of chromosomes
(B) 46 different types of chromosomes
(C) 46 male chromosomes and 46 female chromosomes
(D) 23 original chromosomes and 23 duplicate chromosomes
| Answer: (A) 23 pairs of chromosomes | Answer: (D) 23 original chromosomes and 23 duplicate chromosomes | Question: Which of the following best describes the number of chromosomes in a normal human liver cell?
(A) 23 pairs of chromosomes
(B) 46 different types of chromosomes
(C) 46 male chromosomes and 46 female chromosomes
(D) 23 original chromosomes and 23 duplicate chromosomes
Answer: (A) 23 pairs of chromosomes |
Mercury_7211208 | A student measures the growth of a group of plants given different amounts of fertilizer. Which data display should the student use to compare the growth of the plants? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"bar graph",
"scatterplot",
"line graph",
"pie chart"
]
} | C | Question: A student measures the growth of a group of plants given different amounts of fertilizer. Which data display should the student use to compare the growth of the plants?
(A) bar graph
(B) scatterplot
(C) line graph
(D) pie chart
| Answer: (C) line graph | Answer: (A) bar graph | Question: A student measures the growth of a group of plants given different amounts of fertilizer. Which data display should the student use to compare the growth of the plants?
(A) bar graph
(B) scatterplot
(C) line graph
(D) pie chart
Answer: (C) line graph |
Mercury_SC_LBS10173 | What is a large buildup of moving ice and snow called? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"drumlin",
"delta",
"glacier",
"moraine"
]
} | C | Question: What is a large buildup of moving ice and snow called?
(A) drumlin
(B) delta
(C) glacier
(D) moraine
| Answer: (C) glacier | Answer: (D) moraine | Question: What is a large buildup of moving ice and snow called?
(A) drumlin
(B) delta
(C) glacier
(D) moraine
Answer: (C) glacier |
Mercury_7107468 | Which of these conditions would most likely be shown in the fossil record as a reason for mass extinctions? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"increased competition for resources",
"falling sea levels and global cooling",
"organisms with beneficial traits",
"increased solar activity"
]
} | B | Question: Which of these conditions would most likely be shown in the fossil record as a reason for mass extinctions?
(A) increased competition for resources
(B) falling sea levels and global cooling
(C) organisms with beneficial traits
(D) increased solar activity
| Answer: (B) falling sea levels and global cooling | Answer: (A) increased competition for resources | Question: Which of these conditions would most likely be shown in the fossil record as a reason for mass extinctions?
(A) increased competition for resources
(B) falling sea levels and global cooling
(C) organisms with beneficial traits
(D) increased solar activity
Answer: (B) falling sea levels and global cooling |
Mercury_7009905 | One of the functions of a topographic map is to | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"gauge local rainfall amounts.",
"study the area's geological history.",
"predict the severity of earthquakes.",
"show the surface features of an area."
]
} | D | Question: One of the functions of a topographic map is to
(A) gauge local rainfall amounts.
(B) study the area's geological history.
(C) predict the severity of earthquakes.
(D) show the surface features of an area.
| Answer: (D) show the surface features of an area. | Answer: (B) study the area's geological history. | Question: One of the functions of a topographic map is to
(A) gauge local rainfall amounts.
(B) study the area's geological history.
(C) predict the severity of earthquakes.
(D) show the surface features of an area.
Answer: (D) show the surface features of an area. |
MCAS_1999_4_35 | Reptiles become more active as the day gets warmer. This is because | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"they have scaly skin.",
"they have slimy skin.",
"their body temperature stays at a constant level.",
"their body temperature changes with the environment."
]
} | D | Question: Reptiles become more active as the day gets warmer. This is because
(A) they have scaly skin.
(B) they have slimy skin.
(C) their body temperature stays at a constant level.
(D) their body temperature changes with the environment.
| Answer: (D) their body temperature changes with the environment. | Answer: (C) their body temperature stays at a constant level. | Question: Reptiles become more active as the day gets warmer. This is because
(A) they have scaly skin.
(B) they have slimy skin.
(C) their body temperature stays at a constant level.
(D) their body temperature changes with the environment.
Answer: (D) their body temperature changes with the environment. |
NYSEDREGENTS_2004_8_25 | Which scientific model could be used to predict the properties of an element? | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"closed loop system",
"Punnett square",
"Periodic Table",
"water cycle chart"
]
} | 3 | Question: Which scientific model could be used to predict the properties of an element?
(1) closed loop system
(2) Punnett square
(3) Periodic Table
(4) water cycle chart
| Answer: (3) Periodic Table | Answer: (2) Punnett square | Question: Which scientific model could be used to predict the properties of an element?
(1) closed loop system
(2) Punnett square
(3) Periodic Table
(4) water cycle chart
Answer: (3) Periodic Table |
Mercury_7253663 | Some of the thermal structure of Earth is the result of a combination of chemical composition, temperature, and pressure. Which is a boundary that best demonstrates a contact point between layers having relatively the same temperature and chemical composition? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"lithosphere and mesosphere",
"inner core and outer core",
"outer core and mantle",
"mantle and crust"
]
} | B | Question: Some of the thermal structure of Earth is the result of a combination of chemical composition, temperature, and pressure. Which is a boundary that best demonstrates a contact point between layers having relatively the same temperature and chemical composition?
(A) lithosphere and mesosphere
(B) inner core and outer core
(C) outer core and mantle
(D) mantle and crust
| Answer: (B) inner core and outer core | Answer: (C) outer core and mantle | Question: Some of the thermal structure of Earth is the result of a combination of chemical composition, temperature, and pressure. Which is a boundary that best demonstrates a contact point between layers having relatively the same temperature and chemical composition?
(A) lithosphere and mesosphere
(B) inner core and outer core
(C) outer core and mantle
(D) mantle and crust
Answer: (B) inner core and outer core |
Mercury_7218260 | A hillside along a highway has exposed layers of undisturbed sedimentary rock. Which method would be best for scientists to use to determine the relative age of these sedimentary rock layers? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"apply the law of superposition",
"calculate the rate of radiometric decay",
"apply the law of crosscutting relationships",
"calculate the rate of tectonic plate movement"
]
} | A | Question: A hillside along a highway has exposed layers of undisturbed sedimentary rock. Which method would be best for scientists to use to determine the relative age of these sedimentary rock layers?
(A) apply the law of superposition
(B) calculate the rate of radiometric decay
(C) apply the law of crosscutting relationships
(D) calculate the rate of tectonic plate movement
| Answer: (A) apply the law of superposition | Answer: (C) apply the law of crosscutting relationships | Question: A hillside along a highway has exposed layers of undisturbed sedimentary rock. Which method would be best for scientists to use to determine the relative age of these sedimentary rock layers?
(A) apply the law of superposition
(B) calculate the rate of radiometric decay
(C) apply the law of crosscutting relationships
(D) calculate the rate of tectonic plate movement
Answer: (A) apply the law of superposition |
Mercury_7012600 | What are petri dishes used for in a lab? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"reflecting light to form images",
"measuring the mass of molecules",
"growing bacteria in a controlled setting",
"observing the strength of physical forces"
]
} | C | Question: What are petri dishes used for in a lab?
(A) reflecting light to form images
(B) measuring the mass of molecules
(C) growing bacteria in a controlled setting
(D) observing the strength of physical forces
| Answer: (C) growing bacteria in a controlled setting | Answer: (A) reflecting light to form images | Question: What are petri dishes used for in a lab?
(A) reflecting light to form images
(B) measuring the mass of molecules
(C) growing bacteria in a controlled setting
(D) observing the strength of physical forces
Answer: (C) growing bacteria in a controlled setting |
NAEP_2005_4_S14+2 | How do most fish get the oxygen they need to survive? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"They take in water and break it down into hydrogen and oxygen.",
"Using their gills, they take in oxygen that is dissolved in water.",
"They get their oxygen from the food they eat.",
"They come to the surface every few minutes to breathe air into their lungs."
]
} | B | Question: How do most fish get the oxygen they need to survive?
(A) They take in water and break it down into hydrogen and oxygen.
(B) Using their gills, they take in oxygen that is dissolved in water.
(C) They get their oxygen from the food they eat.
(D) They come to the surface every few minutes to breathe air into their lungs.
| Answer: (B) Using their gills, they take in oxygen that is dissolved in water. | Answer: (C) They get their oxygen from the food they eat. | Question: How do most fish get the oxygen they need to survive?
(A) They take in water and break it down into hydrogen and oxygen.
(B) Using their gills, they take in oxygen that is dissolved in water.
(C) They get their oxygen from the food they eat.
(D) They come to the surface every few minutes to breathe air into their lungs.
Answer: (B) Using their gills, they take in oxygen that is dissolved in water. |
Mercury_SC_408417 | Miranda's neighbors have an apple tree in their yard. What is the source of energy for the apple tree? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"rain",
"soil",
"sunlight",
"wind"
]
} | C | Question: Miranda's neighbors have an apple tree in their yard. What is the source of energy for the apple tree?
(A) rain
(B) soil
(C) sunlight
(D) wind
| Answer: (C) sunlight | Answer: (B) soil | Question: Miranda's neighbors have an apple tree in their yard. What is the source of energy for the apple tree?
(A) rain
(B) soil
(C) sunlight
(D) wind
Answer: (C) sunlight |
MCAS_2007_5_4765 | Some types of trees are able to survive the heat of a forest fire. Which of the following characteristics would best help a tree survive a fire? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"large leaves",
"shallow roots",
"thick bark",
"thin trunks"
]
} | C | Question: Some types of trees are able to survive the heat of a forest fire. Which of the following characteristics would best help a tree survive a fire?
(A) large leaves
(B) shallow roots
(C) thick bark
(D) thin trunks
| Answer: (C) thick bark | Answer: (D) thin trunks | Question: Some types of trees are able to survive the heat of a forest fire. Which of the following characteristics would best help a tree survive a fire?
(A) large leaves
(B) shallow roots
(C) thick bark
(D) thin trunks
Answer: (C) thick bark |
MCAS_2006_9_9 | Which of the following would most likely happen if grasses and shrubs were removed from a rural Massachusetts ecosystem? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"There would be an increase in consumers in the ecosystem.",
"There would be an increase of photosynthesis in the ecosystem.",
"There would be a decrease in food energy produced by the ecosystem.",
"There would be a decrease of carbon dioxide available to the ecosystem."
]
} | C | Question: Which of the following would most likely happen if grasses and shrubs were removed from a rural Massachusetts ecosystem?
(A) There would be an increase in consumers in the ecosystem.
(B) There would be an increase of photosynthesis in the ecosystem.
(C) There would be a decrease in food energy produced by the ecosystem.
(D) There would be a decrease of carbon dioxide available to the ecosystem.
| Answer: (C) There would be a decrease in food energy produced by the ecosystem. | Answer: (D) There would be a decrease of carbon dioxide available to the ecosystem. | Question: Which of the following would most likely happen if grasses and shrubs were removed from a rural Massachusetts ecosystem?
(A) There would be an increase in consumers in the ecosystem.
(B) There would be an increase of photosynthesis in the ecosystem.
(C) There would be a decrease in food energy produced by the ecosystem.
(D) There would be a decrease of carbon dioxide available to the ecosystem.
Answer: (C) There would be a decrease in food energy produced by the ecosystem. |
MDSA_2007_5_23 | In 2004, Maryland recycled more than 35% of all of the waste the state produced. Which of these benefits does recycling provide to Maryland? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"fewer wild animals",
"decreased farm crops",
"less trash sent to landfills",
"decreased use of electricity"
]
} | C | Question: In 2004, Maryland recycled more than 35% of all of the waste the state produced. Which of these benefits does recycling provide to Maryland?
(A) fewer wild animals
(B) decreased farm crops
(C) less trash sent to landfills
(D) decreased use of electricity
| Answer: (C) less trash sent to landfills | Answer: (D) decreased use of electricity | Question: In 2004, Maryland recycled more than 35% of all of the waste the state produced. Which of these benefits does recycling provide to Maryland?
(A) fewer wild animals
(B) decreased farm crops
(C) less trash sent to landfills
(D) decreased use of electricity
Answer: (C) less trash sent to landfills |
MEA_2016_5_10 | A student finds a round, smooth pebble on a beach. Which action made the pebble smooth? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"rain falling",
"wind blowing",
"snow melting",
"waves moving"
]
} | D | Question: A student finds a round, smooth pebble on a beach. Which action made the pebble smooth?
(A) rain falling
(B) wind blowing
(C) snow melting
(D) waves moving
| Answer: (D) waves moving | Answer: (B) wind blowing | Question: A student finds a round, smooth pebble on a beach. Which action made the pebble smooth?
(A) rain falling
(B) wind blowing
(C) snow melting
(D) waves moving
Answer: (D) waves moving |
Mercury_7014420 | The position of the liver in the circulatory system maximizes its ability to filter out harmful chemicals as soon as they enter the bloodstream. Blood travels to the liver from the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"nervous system.",
"digestive system.",
"immune system.",
"excretory system."
]
} | B | Question: The position of the liver in the circulatory system maximizes its ability to filter out harmful chemicals as soon as they enter the bloodstream. Blood travels to the liver from the
(A) nervous system.
(B) digestive system.
(C) immune system.
(D) excretory system.
| Answer: (B) digestive system. | Answer: (D) excretory system. | Question: The position of the liver in the circulatory system maximizes its ability to filter out harmful chemicals as soon as they enter the bloodstream. Blood travels to the liver from the
(A) nervous system.
(B) digestive system.
(C) immune system.
(D) excretory system.
Answer: (B) digestive system. |
Mercury_SC_405359 | A student recorded the amount of rain that fell in one year in his city. What is the best way for him to organize his information? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"diagram",
"graph",
"journal",
"map"
]
} | B | Question: A student recorded the amount of rain that fell in one year in his city. What is the best way for him to organize his information?
(A) diagram
(B) graph
(C) journal
(D) map
| Answer: (B) graph | Answer: (A) diagram | Question: A student recorded the amount of rain that fell in one year in his city. What is the best way for him to organize his information?
(A) diagram
(B) graph
(C) journal
(D) map
Answer: (B) graph |
AIMS_2009_4_21 | While Anna was testing a circuit, she dropped a light bulb. What is the safest thing Anna can do? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"get a new bulb to finish the test",
"push the broken glass under a table",
"tell her teacher that she broke the bulb",
"ask her partner to help pick up the broken glass"
]
} | C | Question: While Anna was testing a circuit, she dropped a light bulb. What is the safest thing Anna can do?
(A) get a new bulb to finish the test
(B) push the broken glass under a table
(C) tell her teacher that she broke the bulb
(D) ask her partner to help pick up the broken glass
| Answer: (C) tell her teacher that she broke the bulb | Answer: (A) get a new bulb to finish the test | Question: While Anna was testing a circuit, she dropped a light bulb. What is the safest thing Anna can do?
(A) get a new bulb to finish the test
(B) push the broken glass under a table
(C) tell her teacher that she broke the bulb
(D) ask her partner to help pick up the broken glass
Answer: (C) tell her teacher that she broke the bulb |
Mercury_7014858 | Sugar is added to water and the mixture is stirred. Which observation is evidence that the sugar dissolved in the water? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Less sugar is visible.",
"The water is cloudy.",
"The sugar turned into crystals.",
"Bubbles formed in the water."
]
} | A | Question: Sugar is added to water and the mixture is stirred. Which observation is evidence that the sugar dissolved in the water?
(A) Less sugar is visible.
(B) The water is cloudy.
(C) The sugar turned into crystals.
(D) Bubbles formed in the water.
| Answer: (A) Less sugar is visible. | Answer: (B) The water is cloudy. | Question: Sugar is added to water and the mixture is stirred. Which observation is evidence that the sugar dissolved in the water?
(A) Less sugar is visible.
(B) The water is cloudy.
(C) The sugar turned into crystals.
(D) Bubbles formed in the water.
Answer: (A) Less sugar is visible. |
TIMSS_2011_4_pg89 | The direction water flows in a river depends on | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the length of the river",
"the slope of the land",
"the type of rock over which the water flows",
"the location of the North Pole"
]
} | B | Question: The direction water flows in a river depends on
(A) the length of the river
(B) the slope of the land
(C) the type of rock over which the water flows
(D) the location of the North Pole
| Answer: (B) the slope of the land | Answer: (A) the length of the river | Question: The direction water flows in a river depends on
(A) the length of the river
(B) the slope of the land
(C) the type of rock over which the water flows
(D) the location of the North Pole
Answer: (B) the slope of the land |
Mercury_SC_407681 | A soccer player kicks a soccer ball across a field. Which factor has the most effect on the distance the soccer ball travels? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the color of the ball",
"the force of the kick",
"the length of the field",
"the temperature of the air"
]
} | B | Question: A soccer player kicks a soccer ball across a field. Which factor has the most effect on the distance the soccer ball travels?
(A) the color of the ball
(B) the force of the kick
(C) the length of the field
(D) the temperature of the air
| Answer: (B) the force of the kick | Answer: (C) the length of the field | Question: A soccer player kicks a soccer ball across a field. Which factor has the most effect on the distance the soccer ball travels?
(A) the color of the ball
(B) the force of the kick
(C) the length of the field
(D) the temperature of the air
Answer: (B) the force of the kick |
NYSEDREGENTS_2006_8_29 | Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"hormones",
"DNA molecules",
"minerals and water",
"undigested food molecules"
]
} | 2 | Question: Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of
(1) hormones
(2) DNA molecules
(3) minerals and water
(4) undigested food molecules
| Answer: (2) DNA molecules | Answer: (1) hormones | Question: Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of
(1) hormones
(2) DNA molecules
(3) minerals and water
(4) undigested food molecules
Answer: (2) DNA molecules |
Mercury_SC_406795 | Which items would best protect a group of students while investigating a forest ecosystem? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"short pants and T-shirts",
"short pants and long-sleeved shirts",
"long pants and T-shirts",
"long pants and long-sleeved shirts"
]
} | D | Question: Which items would best protect a group of students while investigating a forest ecosystem?
(A) short pants and T-shirts
(B) short pants and long-sleeved shirts
(C) long pants and T-shirts
(D) long pants and long-sleeved shirts
| Answer: (D) long pants and long-sleeved shirts | Answer: (B) short pants and long-sleeved shirts | Question: Which items would best protect a group of students while investigating a forest ecosystem?
(A) short pants and T-shirts
(B) short pants and long-sleeved shirts
(C) long pants and T-shirts
(D) long pants and long-sleeved shirts
Answer: (D) long pants and long-sleeved shirts |
Mercury_7013493 | A student needs to find the mass of an atom. The numbers of which atomic particles determines the mass of the atom? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"only its protons",
"only its electrons",
"both its protons and neutrons",
"both its neutrons and electrons"
]
} | C | Question: A student needs to find the mass of an atom. The numbers of which atomic particles determines the mass of the atom?
(A) only its protons
(B) only its electrons
(C) both its protons and neutrons
(D) both its neutrons and electrons
| Answer: (C) both its protons and neutrons | Answer: (D) both its neutrons and electrons | Question: A student needs to find the mass of an atom. The numbers of which atomic particles determines the mass of the atom?
(A) only its protons
(B) only its electrons
(C) both its protons and neutrons
(D) both its neutrons and electrons
Answer: (C) both its protons and neutrons |
NYSEDREGENTS_2007_4_21 | Which activity is necessary for humans to maintain good health? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"reading",
"resting",
"driving",
"talking"
]
} | B | Question: Which activity is necessary for humans to maintain good health?
(A) reading
(B) resting
(C) driving
(D) talking
| Answer: (B) resting | Answer: (D) talking | Question: Which activity is necessary for humans to maintain good health?
(A) reading
(B) resting
(C) driving
(D) talking
Answer: (B) resting |
Mercury_SC_406073 | A student completes several tasks while making breakfast. During which task does the student make a solution? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"adding sugar to tea",
"pouring milk on cereal",
"spreading jelly on toast",
"sprinkling cheese on eggs"
]
} | A | Question: A student completes several tasks while making breakfast. During which task does the student make a solution?
(A) adding sugar to tea
(B) pouring milk on cereal
(C) spreading jelly on toast
(D) sprinkling cheese on eggs
| Answer: (A) adding sugar to tea | Answer: (C) spreading jelly on toast | Question: A student completes several tasks while making breakfast. During which task does the student make a solution?
(A) adding sugar to tea
(B) pouring milk on cereal
(C) spreading jelly on toast
(D) sprinkling cheese on eggs
Answer: (A) adding sugar to tea |
AIMS_2008_4_8 | Which natural event can dry out plants and cause wildfires? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"drought",
"earthquake",
"flood",
"tornado"
]
} | A | Question: Which natural event can dry out plants and cause wildfires?
(A) drought
(B) earthquake
(C) flood
(D) tornado
| Answer: (A) drought | Answer: (C) flood | Question: Which natural event can dry out plants and cause wildfires?
(A) drought
(B) earthquake
(C) flood
(D) tornado
Answer: (A) drought |
LEAP__5_10310 | Where would nitrogen most easily be found in the nitrogen cycle? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"in animal waste",
"in drinking water supplies",
"in underground mineral deposits",
"in carbon dioxide released by factories into the atmosphere"
]
} | A | Question: Where would nitrogen most easily be found in the nitrogen cycle?
(A) in animal waste
(B) in drinking water supplies
(C) in underground mineral deposits
(D) in carbon dioxide released by factories into the atmosphere
| Answer: (A) in animal waste | Answer: (B) in drinking water supplies | Question: Where would nitrogen most easily be found in the nitrogen cycle?
(A) in animal waste
(B) in drinking water supplies
(C) in underground mineral deposits
(D) in carbon dioxide released by factories into the atmosphere
Answer: (A) in animal waste |
Mercury_SC_405080 | Before it rains water must collect in | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"clouds.",
"snow.",
"sleet.",
"fog."
]
} | A | Question: Before it rains water must collect in
(A) clouds.
(B) snow.
(C) sleet.
(D) fog.
| Answer: (A) clouds. | Answer: (D) fog. | Question: Before it rains water must collect in
(A) clouds.
(B) snow.
(C) sleet.
(D) fog.
Answer: (A) clouds. |
Mercury_7263708 | Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"auroras",
"tornadoes",
"rainbows",
"inversions"
]
} | A | Question: Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
(A) auroras
(B) tornadoes
(C) rainbows
(D) inversions
| Answer: (A) auroras | Answer: (D) inversions | Question: Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
(A) auroras
(B) tornadoes
(C) rainbows
(D) inversions
Answer: (A) auroras |
VASoL_2009_3_30 | Which of these BEST describes the way a feather feels? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Colorful",
"Soft",
"Low",
"Bright"
]
} | B | Question: Which of these BEST describes the way a feather feels?
(A) Colorful
(B) Soft
(C) Low
(D) Bright
| Answer: (B) Soft | Answer: (A) Colorful | Question: Which of these BEST describes the way a feather feels?
(A) Colorful
(B) Soft
(C) Low
(D) Bright
Answer: (B) Soft |
TIMSS_1995_8_Q13 | A tight metal lid on a jar of pickles may loosen when it has been held in hot water. This is because the hot water causes the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"glass jar to contract",
"metal lid to contract",
"glass jar to expand more than the metal lid expands",
"metal lid to expand more than the glass jar expands"
]
} | D | Question: A tight metal lid on a jar of pickles may loosen when it has been held in hot water. This is because the hot water causes the
(A) glass jar to contract
(B) metal lid to contract
(C) glass jar to expand more than the metal lid expands
(D) metal lid to expand more than the glass jar expands
| Answer: (D) metal lid to expand more than the glass jar expands | Answer: (C) glass jar to expand more than the metal lid expands | Question: A tight metal lid on a jar of pickles may loosen when it has been held in hot water. This is because the hot water causes the
(A) glass jar to contract
(B) metal lid to contract
(C) glass jar to expand more than the metal lid expands
(D) metal lid to expand more than the glass jar expands
Answer: (D) metal lid to expand more than the glass jar expands |
MDSA_2011_8_43 | A scientist reads about an experiment conducted by a researcher.The scientist conducts the same experiment and collects data but this data contradicts what was published by the researcher. What should the scientist do since the data from the two experiments is contradictory? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Repeat the experiment to check the data collected.",
"Contact the researcher who first performed the experiment.",
"Contact the scientific journal that published the experiment.",
"Disregard the data collected since the experiment was published."
]
} | A | Question: A scientist reads about an experiment conducted by a researcher.The scientist conducts the same experiment and collects data but this data contradicts what was published by the researcher. What should the scientist do since the data from the two experiments is contradictory?
(A) Repeat the experiment to check the data collected.
(B) Contact the researcher who first performed the experiment.
(C) Contact the scientific journal that published the experiment.
(D) Disregard the data collected since the experiment was published.
| Answer: (A) Repeat the experiment to check the data collected. | Answer: (D) Disregard the data collected since the experiment was published. | Question: A scientist reads about an experiment conducted by a researcher.The scientist conducts the same experiment and collects data but this data contradicts what was published by the researcher. What should the scientist do since the data from the two experiments is contradictory?
(A) Repeat the experiment to check the data collected.
(B) Contact the researcher who first performed the experiment.
(C) Contact the scientific journal that published the experiment.
(D) Disregard the data collected since the experiment was published.
Answer: (A) Repeat the experiment to check the data collected. |
Mercury_SC_401321 | The organisms that convert solar energy and raw materials into food are | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"producers.",
"consumers.",
"herbivores.",
"decomposers."
]
} | A | Question: The organisms that convert solar energy and raw materials into food are
(A) producers.
(B) consumers.
(C) herbivores.
(D) decomposers.
| Answer: (A) producers. | Answer: (B) consumers. | Question: The organisms that convert solar energy and raw materials into food are
(A) producers.
(B) consumers.
(C) herbivores.
(D) decomposers.
Answer: (A) producers. |
TIMSS_2003_4_pg36 | Large amounts of metals like iron and aluminum are found in | {
"label": [
"A",
"B",
"C",
"D",
"E"
],
"text": [
"dead trees",
"water",
"animal bones",
"oil wells",
"rocks"
]
} | E | Question: Large amounts of metals like iron and aluminum are found in
(A) dead trees
(B) water
(C) animal bones
(D) oil wells
(E) rocks
| Answer: (E) rocks | Answer: (B) water | Question: Large amounts of metals like iron and aluminum are found in
(A) dead trees
(B) water
(C) animal bones
(D) oil wells
(E) rocks
Answer: (E) rocks |
Mercury_7248395 | Which of these occurs if myosin fails to bind to actin during muscle contraction? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The muscle cells will lose ATP.",
"The muscle cells will remain relaxed.",
"The muscle cells will produce lactic acid.",
"The muscle cells will lose calcium ions."
]
} | B | Question: Which of these occurs if myosin fails to bind to actin during muscle contraction?
(A) The muscle cells will lose ATP.
(B) The muscle cells will remain relaxed.
(C) The muscle cells will produce lactic acid.
(D) The muscle cells will lose calcium ions.
| Answer: (B) The muscle cells will remain relaxed. | Answer: (A) The muscle cells will lose ATP. | Question: Which of these occurs if myosin fails to bind to actin during muscle contraction?
(A) The muscle cells will lose ATP.
(B) The muscle cells will remain relaxed.
(C) The muscle cells will produce lactic acid.
(D) The muscle cells will lose calcium ions.
Answer: (B) The muscle cells will remain relaxed. |
Mercury_7228060 | How are cells able to produce the proteins required by certain conditions? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"by synthesizing new genes",
"by altering existing genes",
"by expressing existing genes",
"by mutating new genes"
]
} | C | Question: How are cells able to produce the proteins required by certain conditions?
(A) by synthesizing new genes
(B) by altering existing genes
(C) by expressing existing genes
(D) by mutating new genes
| Answer: (C) by expressing existing genes | Answer: (B) by altering existing genes | Question: How are cells able to produce the proteins required by certain conditions?
(A) by synthesizing new genes
(B) by altering existing genes
(C) by expressing existing genes
(D) by mutating new genes
Answer: (C) by expressing existing genes |
Mercury_7228218 | An organism's cells include organelles and a cell wall. In which taxonomic group or groups might the organism be classified? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"plants only",
"bacteria or archaea",
"plants, fungi, or protists",
"bacteria, fungi, or protists"
]
} | C | Question: An organism's cells include organelles and a cell wall. In which taxonomic group or groups might the organism be classified?
(A) plants only
(B) bacteria or archaea
(C) plants, fungi, or protists
(D) bacteria, fungi, or protists
| Answer: (C) plants, fungi, or protists | Answer: (D) bacteria, fungi, or protists | Question: An organism's cells include organelles and a cell wall. In which taxonomic group or groups might the organism be classified?
(A) plants only
(B) bacteria or archaea
(C) plants, fungi, or protists
(D) bacteria, fungi, or protists
Answer: (C) plants, fungi, or protists |
Mercury_7247870 | Which of these structures produces male gametes in humans? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"testes",
"ovaries",
"scrotum",
"fallopian tube"
]
} | A | Question: Which of these structures produces male gametes in humans?
(A) testes
(B) ovaries
(C) scrotum
(D) fallopian tube
| Answer: (A) testes | Answer: (C) scrotum | Question: Which of these structures produces male gametes in humans?
(A) testes
(B) ovaries
(C) scrotum
(D) fallopian tube
Answer: (A) testes |
NYSEDREGENTS_2007_8_26 | The length of a year is equivalent to the time it takes for one | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"rotation of Earth",
"rotation of the Sun",
"revolution of Earth around the Sun",
"revolution of the Sun around Earth"
]
} | 3 | Question: The length of a year is equivalent to the time it takes for one
(1) rotation of Earth
(2) rotation of the Sun
(3) revolution of Earth around the Sun
(4) revolution of the Sun around Earth
| Answer: (3) revolution of Earth around the Sun | Answer: (4) revolution of the Sun around Earth | Question: The length of a year is equivalent to the time it takes for one
(1) rotation of Earth
(2) rotation of the Sun
(3) revolution of Earth around the Sun
(4) revolution of the Sun around Earth
Answer: (3) revolution of Earth around the Sun |
VASoL_2011_5_32 | Which of these organisms has cells with cell walls? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"bluebird",
"A pine tree",
"A ladybug",
"A fox squirrel"
]
} | B | Question: Which of these organisms has cells with cell walls?
(A) bluebird
(B) A pine tree
(C) A ladybug
(D) A fox squirrel
| Answer: (B) A pine tree | Answer: (A) bluebird | Question: Which of these organisms has cells with cell walls?
(A) bluebird
(B) A pine tree
(C) A ladybug
(D) A fox squirrel
Answer: (B) A pine tree |
Mercury_7083370 | Which is the result of mitosis? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"two identical nuclei",
"four unique cells",
"a decrease in genes",
"a new protein"
]
} | A | Question: Which is the result of mitosis?
(A) two identical nuclei
(B) four unique cells
(C) a decrease in genes
(D) a new protein
| Answer: (A) two identical nuclei | Answer: (B) four unique cells | Question: Which is the result of mitosis?
(A) two identical nuclei
(B) four unique cells
(C) a decrease in genes
(D) a new protein
Answer: (A) two identical nuclei |
Mercury_SC_400399 | Which of these materials on the walls of a room would work best to keep sound from making an echo? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"marble",
"carpet",
"wood",
"glass"
]
} | B | Question: Which of these materials on the walls of a room would work best to keep sound from making an echo?
(A) marble
(B) carpet
(C) wood
(D) glass
| Answer: (B) carpet | Answer: (C) wood | Question: Which of these materials on the walls of a room would work best to keep sound from making an echo?
(A) marble
(B) carpet
(C) wood
(D) glass
Answer: (B) carpet |
MCAS_2004_8_16 | The starch and water molecules in potato cells are stored in what organelle? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"mitochondrion",
"nucleus",
"ribosome",
"vacuole"
]
} | D | Question: The starch and water molecules in potato cells are stored in what organelle?
(A) mitochondrion
(B) nucleus
(C) ribosome
(D) vacuole
| Answer: (D) vacuole | Answer: (B) nucleus | Question: The starch and water molecules in potato cells are stored in what organelle?
(A) mitochondrion
(B) nucleus
(C) ribosome
(D) vacuole
Answer: (D) vacuole |
MCAS_2000_4_8 | Which animals live part of their lives in water and part on land, and go through metamorphosis? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"reptiles",
"amphibians",
"birds",
"mammals"
]
} | B | Question: Which animals live part of their lives in water and part on land, and go through metamorphosis?
(A) reptiles
(B) amphibians
(C) birds
(D) mammals
| Answer: (B) amphibians | Answer: (A) reptiles | Question: Which animals live part of their lives in water and part on land, and go through metamorphosis?
(A) reptiles
(B) amphibians
(C) birds
(D) mammals
Answer: (B) amphibians |
NYSEDREGENTS_2006_4_22 | A student puts two identical plants in the same type and amount of soil. She gives them the same amount of water. She puts one of these plants near a sunny window and the other in a dark room. This experiment tests how the plants respond to | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"light",
"air",
"water",
"soil"
]
} | A | Question: A student puts two identical plants in the same type and amount of soil. She gives them the same amount of water. She puts one of these plants near a sunny window and the other in a dark room. This experiment tests how the plants respond to
(A) light
(B) air
(C) water
(D) soil
| Answer: (A) light | Answer: (C) water | Question: A student puts two identical plants in the same type and amount of soil. She gives them the same amount of water. She puts one of these plants near a sunny window and the other in a dark room. This experiment tests how the plants respond to
(A) light
(B) air
(C) water
(D) soil
Answer: (A) light |
MSA_2012_5_31 | Humans need food to grow and survive. Food that is not used immediately by the body for energy is | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"stored for future use",
"converted to water for energy",
"used to remove wastes from cells",
"transformed into oxygen for survival"
]
} | A | Question: Humans need food to grow and survive. Food that is not used immediately by the body for energy is
(A) stored for future use
(B) converted to water for energy
(C) used to remove wastes from cells
(D) transformed into oxygen for survival
| Answer: (A) stored for future use | Answer: (B) converted to water for energy | Question: Humans need food to grow and survive. Food that is not used immediately by the body for energy is
(A) stored for future use
(B) converted to water for energy
(C) used to remove wastes from cells
(D) transformed into oxygen for survival
Answer: (A) stored for future use |
Mercury_7210998 | What structure surrounds the cell and regulates materials that enter and leave the cell? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"nucleus",
"chloroplast",
"mitochondrion",
"cell membrane"
]
} | D | Question: What structure surrounds the cell and regulates materials that enter and leave the cell?
(A) nucleus
(B) chloroplast
(C) mitochondrion
(D) cell membrane
| Answer: (D) cell membrane | Answer: (A) nucleus | Question: What structure surrounds the cell and regulates materials that enter and leave the cell?
(A) nucleus
(B) chloroplast
(C) mitochondrion
(D) cell membrane
Answer: (D) cell membrane |
Mercury_7085208 | In order for boulders to become sediments, the boulders must first be | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"heated and melted.",
"weathered and eroded.",
"recrystallized.",
"buried."
]
} | B | Question: In order for boulders to become sediments, the boulders must first be
(A) heated and melted.
(B) weathered and eroded.
(C) recrystallized.
(D) buried.
| Answer: (B) weathered and eroded. | Answer: (D) buried. | Question: In order for boulders to become sediments, the boulders must first be
(A) heated and melted.
(B) weathered and eroded.
(C) recrystallized.
(D) buried.
Answer: (B) weathered and eroded. |
Mercury_SC_LBS10067 | During which stage of an insect's life cycle does the female lay eggs? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"nymph",
"larva",
"pupa",
"adult"
]
} | D | Question: During which stage of an insect's life cycle does the female lay eggs?
(A) nymph
(B) larva
(C) pupa
(D) adult
| Answer: (D) adult | Answer: (B) larva | Question: During which stage of an insect's life cycle does the female lay eggs?
(A) nymph
(B) larva
(C) pupa
(D) adult
Answer: (D) adult |
Mercury_7263340 | When a dog smells food and begins drooling, it is responding to an external stimulus. Which of these describes a response to an internal stimulus? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"A cat sees a mouse and crouches.",
"A parrot hears a name and repeats it.",
"A person eats spoiled food and vomits.",
"A worm senses water and moves to the surface."
]
} | C | Question: When a dog smells food and begins drooling, it is responding to an external stimulus. Which of these describes a response to an internal stimulus?
(A) A cat sees a mouse and crouches.
(B) A parrot hears a name and repeats it.
(C) A person eats spoiled food and vomits.
(D) A worm senses water and moves to the surface.
| Answer: (C) A person eats spoiled food and vomits. | Answer: (D) A worm senses water and moves to the surface. | Question: When a dog smells food and begins drooling, it is responding to an external stimulus. Which of these describes a response to an internal stimulus?
(A) A cat sees a mouse and crouches.
(B) A parrot hears a name and repeats it.
(C) A person eats spoiled food and vomits.
(D) A worm senses water and moves to the surface.
Answer: (C) A person eats spoiled food and vomits. |
NAEP_2009_4_S11+16 | Which is an example of melting? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Flowing water making a rock smooth",
"A carrot becoming soft when cooked",
"Sugar mixed into tea making the tea sweet",
"Butter changing into liquid in a warm pan"
]
} | D | Question: Which is an example of melting?
(A) Flowing water making a rock smooth
(B) A carrot becoming soft when cooked
(C) Sugar mixed into tea making the tea sweet
(D) Butter changing into liquid in a warm pan
| Answer: (D) Butter changing into liquid in a warm pan | Answer: (B) A carrot becoming soft when cooked | Question: Which is an example of melting?
(A) Flowing water making a rock smooth
(B) A carrot becoming soft when cooked
(C) Sugar mixed into tea making the tea sweet
(D) Butter changing into liquid in a warm pan
Answer: (D) Butter changing into liquid in a warm pan |
Mercury_SC_405506 | Students perform an investigation designed to measure the daily growth of a bean plant. Which should the students do every day of this investigation? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"record data",
"form hypothesis",
"form conclusion",
"define variables"
]
} | A | Question: Students perform an investigation designed to measure the daily growth of a bean plant. Which should the students do every day of this investigation?
(A) record data
(B) form hypothesis
(C) form conclusion
(D) define variables
| Answer: (A) record data | Answer: (C) form conclusion | Question: Students perform an investigation designed to measure the daily growth of a bean plant. Which should the students do every day of this investigation?
(A) record data
(B) form hypothesis
(C) form conclusion
(D) define variables
Answer: (A) record data |
TAKS_2009_5_5 | Ice cream in a bowl changed from solid to liquid in a few minutes. Which of the following most likely caused this change? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Bacteria grew in the ice cream.",
"Heat was added to the ice cream.",
"Water evaporated from the ice cream.",
"Frozen berries were sprinkled on the ice cream."
]
} | B | Question: Ice cream in a bowl changed from solid to liquid in a few minutes. Which of the following most likely caused this change?
(A) Bacteria grew in the ice cream.
(B) Heat was added to the ice cream.
(C) Water evaporated from the ice cream.
(D) Frozen berries were sprinkled on the ice cream.
| Answer: (B) Heat was added to the ice cream. | Answer: (C) Water evaporated from the ice cream. | Question: Ice cream in a bowl changed from solid to liquid in a few minutes. Which of the following most likely caused this change?
(A) Bacteria grew in the ice cream.
(B) Heat was added to the ice cream.
(C) Water evaporated from the ice cream.
(D) Frozen berries were sprinkled on the ice cream.
Answer: (B) Heat was added to the ice cream. |
Mercury_7043103 | The change in the use of one model of the solar system to the use of another model resulted in major changes in science and society. Which two scientists produced the earlier and later models, respectively? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Hooke and Mendel",
"Newton and Galileo",
"Aristotle and Einstein",
"Ptolemy and Copernicus"
]
} | D | Question: The change in the use of one model of the solar system to the use of another model resulted in major changes in science and society. Which two scientists produced the earlier and later models, respectively?
(A) Hooke and Mendel
(B) Newton and Galileo
(C) Aristotle and Einstein
(D) Ptolemy and Copernicus
| Answer: (D) Ptolemy and Copernicus | Answer: (C) Aristotle and Einstein | Question: The change in the use of one model of the solar system to the use of another model resulted in major changes in science and society. Which two scientists produced the earlier and later models, respectively?
(A) Hooke and Mendel
(B) Newton and Galileo
(C) Aristotle and Einstein
(D) Ptolemy and Copernicus
Answer: (D) Ptolemy and Copernicus |
Mercury_401407 | An atom with a +1 charge has | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"lost a proton.",
"lost an electron.",
"gained a proton.",
"gained an electron."
]
} | B | Question: An atom with a +1 charge has
(A) lost a proton.
(B) lost an electron.
(C) gained a proton.
(D) gained an electron.
| Answer: (B) lost an electron. | Answer: (A) lost a proton. | Question: An atom with a +1 charge has
(A) lost a proton.
(B) lost an electron.
(C) gained a proton.
(D) gained an electron.
Answer: (B) lost an electron. |
NCEOGA_2013_5_12 | Which is an example of a single-celled organism? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"amoeba",
"insect",
"fish",
"worm"
]
} | A | Question: Which is an example of a single-celled organism?
(A) amoeba
(B) insect
(C) fish
(D) worm
| Answer: (A) amoeba | Answer: (D) worm | Question: Which is an example of a single-celled organism?
(A) amoeba
(B) insect
(C) fish
(D) worm
Answer: (A) amoeba |
Mercury_7014298 | The Great Ocean Conveyer ocean current system runs north through the Atlantic from the equatorial region. If this current got disrupted, North American and European climates would become | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"rainier.",
"colder.",
"windier.",
"more humid."
]
} | B | Question: The Great Ocean Conveyer ocean current system runs north through the Atlantic from the equatorial region. If this current got disrupted, North American and European climates would become
(A) rainier.
(B) colder.
(C) windier.
(D) more humid.
| Answer: (B) colder. | Answer: (C) windier. | Question: The Great Ocean Conveyer ocean current system runs north through the Atlantic from the equatorial region. If this current got disrupted, North American and European climates would become
(A) rainier.
(B) colder.
(C) windier.
(D) more humid.
Answer: (B) colder. |
Mercury_7109218 | Which region of the Milky Way contains a population that consists mostly of old stars? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the halo",
"the spiral arms",
"the nuclear bulge",
"the open clusters"
]
} | A | Question: Which region of the Milky Way contains a population that consists mostly of old stars?
(A) the halo
(B) the spiral arms
(C) the nuclear bulge
(D) the open clusters
| Answer: (A) the halo | Answer: (D) the open clusters | Question: Which region of the Milky Way contains a population that consists mostly of old stars?
(A) the halo
(B) the spiral arms
(C) the nuclear bulge
(D) the open clusters
Answer: (A) the halo |
Mercury_7069563 | When a switch to a ceiling fan is turned on, electrical energy is being transformed into | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"atomic energy.",
"potential energy.",
"chemical energy.",
"mechanical energy."
]
} | D | Question: When a switch to a ceiling fan is turned on, electrical energy is being transformed into
(A) atomic energy.
(B) potential energy.
(C) chemical energy.
(D) mechanical energy.
| Answer: (D) mechanical energy. | Answer: (B) potential energy. | Question: When a switch to a ceiling fan is turned on, electrical energy is being transformed into
(A) atomic energy.
(B) potential energy.
(C) chemical energy.
(D) mechanical energy.
Answer: (D) mechanical energy. |
Mercury_186375 | An agricultural scientist, George Washington Carver, is most famous for his research on | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"tobacco.",
"peanuts.",
"mold.",
"corn."
]
} | B | Question: An agricultural scientist, George Washington Carver, is most famous for his research on
(A) tobacco.
(B) peanuts.
(C) mold.
(D) corn.
| Answer: (B) peanuts. | Answer: (D) corn. | Question: An agricultural scientist, George Washington Carver, is most famous for his research on
(A) tobacco.
(B) peanuts.
(C) mold.
(D) corn.
Answer: (B) peanuts. |
Mercury_SC_401268 | A student pours a clear liquid from a test tube into a beaker with a clear liquid already in it and notices that the mixture turns pink. The student infers the two clear liquids are different. This inference is a result of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"class discussion.",
"previous knowledge.",
"temperature changes.",
"student observations."
]
} | D | Question: A student pours a clear liquid from a test tube into a beaker with a clear liquid already in it and notices that the mixture turns pink. The student infers the two clear liquids are different. This inference is a result of
(A) class discussion.
(B) previous knowledge.
(C) temperature changes.
(D) student observations.
| Answer: (D) student observations. | Answer: (B) previous knowledge. | Question: A student pours a clear liquid from a test tube into a beaker with a clear liquid already in it and notices that the mixture turns pink. The student infers the two clear liquids are different. This inference is a result of
(A) class discussion.
(B) previous knowledge.
(C) temperature changes.
(D) student observations.
Answer: (D) student observations. |
Mercury_7250145 | In what leaf structure is photosynthetic tissue found? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"cuticle",
"upper epidermis",
"mesophyll",
"vascular bundle"
]
} | C | Question: In what leaf structure is photosynthetic tissue found?
(A) cuticle
(B) upper epidermis
(C) mesophyll
(D) vascular bundle
| Answer: (C) mesophyll | Answer: (A) cuticle | Question: In what leaf structure is photosynthetic tissue found?
(A) cuticle
(B) upper epidermis
(C) mesophyll
(D) vascular bundle
Answer: (C) mesophyll |
Mercury_7269133 | The crude oil extracted today was formed millions of years ago from the fossilized remains of algae and other tiny marine organisms. Most parts of the organisms decomposed soon after they died. Which biomolecules decomposed more slowly and became the basis of crude oil? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"proteins",
"carbohydrates",
"fatty acids",
"nucleic acids"
]
} | C | Question: The crude oil extracted today was formed millions of years ago from the fossilized remains of algae and other tiny marine organisms. Most parts of the organisms decomposed soon after they died. Which biomolecules decomposed more slowly and became the basis of crude oil?
(A) proteins
(B) carbohydrates
(C) fatty acids
(D) nucleic acids
| Answer: (C) fatty acids | Answer: (D) nucleic acids | Question: The crude oil extracted today was formed millions of years ago from the fossilized remains of algae and other tiny marine organisms. Most parts of the organisms decomposed soon after they died. Which biomolecules decomposed more slowly and became the basis of crude oil?
(A) proteins
(B) carbohydrates
(C) fatty acids
(D) nucleic acids
Answer: (C) fatty acids |
NYSEDREGENTS_2004_4_19 | Temperatures below freezing are expected overnight. What might be done to protect plants growing outside? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"trim the leaves",
"weed them",
"cover them",
"give them plant food"
]
} | C | Question: Temperatures below freezing are expected overnight. What might be done to protect plants growing outside?
(A) trim the leaves
(B) weed them
(C) cover them
(D) give them plant food
| Answer: (C) cover them | Answer: (D) give them plant food | Question: Temperatures below freezing are expected overnight. What might be done to protect plants growing outside?
(A) trim the leaves
(B) weed them
(C) cover them
(D) give them plant food
Answer: (C) cover them |
Mercury_7014018 | Prolonged exercise stimulates muscle cells to absorb sugar from the blood. This mechanism reduces stress placed on the body by signaling the body to produce | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"insulin.",
"lipids.",
"hemoglobin.",
"hydrochloric acid."
]
} | A | Question: Prolonged exercise stimulates muscle cells to absorb sugar from the blood. This mechanism reduces stress placed on the body by signaling the body to produce
(A) insulin.
(B) lipids.
(C) hemoglobin.
(D) hydrochloric acid.
| Answer: (A) insulin. | Answer: (B) lipids. | Question: Prolonged exercise stimulates muscle cells to absorb sugar from the blood. This mechanism reduces stress placed on the body by signaling the body to produce
(A) insulin.
(B) lipids.
(C) hemoglobin.
(D) hydrochloric acid.
Answer: (A) insulin. |
Mercury_184118 | Which geologic feature is evidence that the North American plate once collided with the Eurasian and African plates? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the Appalachian Mountains",
"the Mohave Desert",
"the Mississippi River",
"the Great Lakes"
]
} | A | Question: Which geologic feature is evidence that the North American plate once collided with the Eurasian and African plates?
(A) the Appalachian Mountains
(B) the Mohave Desert
(C) the Mississippi River
(D) the Great Lakes
| Answer: (A) the Appalachian Mountains | Answer: (D) the Great Lakes | Question: Which geologic feature is evidence that the North American plate once collided with the Eurasian and African plates?
(A) the Appalachian Mountains
(B) the Mohave Desert
(C) the Mississippi River
(D) the Great Lakes
Answer: (A) the Appalachian Mountains |
NYSEDREGENTS_2009_4_28 | During an experiment, a student reports that a liquid turned green when mixed with another liquid. This is an example of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a measurement",
"a prediction",
"an explanation",
"an observation"
]
} | D | Question: During an experiment, a student reports that a liquid turned green when mixed with another liquid. This is an example of
(A) a measurement
(B) a prediction
(C) an explanation
(D) an observation
| Answer: (D) an observation | Answer: (C) an explanation | Question: During an experiment, a student reports that a liquid turned green when mixed with another liquid. This is an example of
(A) a measurement
(B) a prediction
(C) an explanation
(D) an observation
Answer: (D) an observation |
Mercury_7008628 | Which of the following causes a chemical change? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"sugar added to soda",
"detergent added to water",
"lemon juice added to milk",
"salt added to water"
]
} | C | Question: Which of the following causes a chemical change?
(A) sugar added to soda
(B) detergent added to water
(C) lemon juice added to milk
(D) salt added to water
| Answer: (C) lemon juice added to milk | Answer: (A) sugar added to soda | Question: Which of the following causes a chemical change?
(A) sugar added to soda
(B) detergent added to water
(C) lemon juice added to milk
(D) salt added to water
Answer: (C) lemon juice added to milk |
ACTAAP_2012_7_1 | Which human organ system exchanges gases with the environment? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"endocrine",
"circulatory",
"respiratory",
"integumentary"
]
} | C | Question: Which human organ system exchanges gases with the environment?
(A) endocrine
(B) circulatory
(C) respiratory
(D) integumentary
| Answer: (C) respiratory | Answer: (B) circulatory | Question: Which human organ system exchanges gases with the environment?
(A) endocrine
(B) circulatory
(C) respiratory
(D) integumentary
Answer: (C) respiratory |
Mercury_7211383 | Improvements in geological observation technologies have made it easier for scientists to locate resources in Earth's crust. These technologies have allowed for an increase in availability of which resource? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"wind power",
"solar energy",
"fossil fuel",
"tidal energy"
]
} | C | Question: Improvements in geological observation technologies have made it easier for scientists to locate resources in Earth's crust. These technologies have allowed for an increase in availability of which resource?
(A) wind power
(B) solar energy
(C) fossil fuel
(D) tidal energy
| Answer: (C) fossil fuel | Answer: (B) solar energy | Question: Improvements in geological observation technologies have made it easier for scientists to locate resources in Earth's crust. These technologies have allowed for an increase in availability of which resource?
(A) wind power
(B) solar energy
(C) fossil fuel
(D) tidal energy
Answer: (C) fossil fuel |
MCAS_2016_8_5 | An engineer constructs a prototype from wood. Which of the following is the best tool for the engineer to use to make the prototype's surface smooth? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"band saw",
"chisel",
"drill",
"sandpaper"
]
} | D | Question: An engineer constructs a prototype from wood. Which of the following is the best tool for the engineer to use to make the prototype's surface smooth?
(A) band saw
(B) chisel
(C) drill
(D) sandpaper
| Answer: (D) sandpaper | Answer: (B) chisel | Question: An engineer constructs a prototype from wood. Which of the following is the best tool for the engineer to use to make the prototype's surface smooth?
(A) band saw
(B) chisel
(C) drill
(D) sandpaper
Answer: (D) sandpaper |
Mercury_SC_405078 | If left in the sunshine, water in an open jar will | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"evaporate.",
"condense.",
"freeze.",
"melt."
]
} | A | Question: If left in the sunshine, water in an open jar will
(A) evaporate.
(B) condense.
(C) freeze.
(D) melt.
| Answer: (A) evaporate. | Answer: (B) condense. | Question: If left in the sunshine, water in an open jar will
(A) evaporate.
(B) condense.
(C) freeze.
(D) melt.
Answer: (A) evaporate. |
MCAS_2012_5_23630 | In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"increase in humidity",
"decrease in temperature",
"clouds forming in the sky",
"winds blowing in the night"
]
} | B | Question: In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time?
(A) increase in humidity
(B) decrease in temperature
(C) clouds forming in the sky
(D) winds blowing in the night
| Answer: (B) decrease in temperature | Answer: (A) increase in humidity | Question: In some locations, squirrels sleep for long periods of time during the winter months. Which of the following most likely causes these squirrels to sleep for long periods of time?
(A) increase in humidity
(B) decrease in temperature
(C) clouds forming in the sky
(D) winds blowing in the night
Answer: (B) decrease in temperature |
Mercury_SC_LBS10470 | Which of the following helps the body to cool down? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"shivering",
"sweating",
"running a fever",
"taking deep breaths"
]
} | B | Question: Which of the following helps the body to cool down?
(A) shivering
(B) sweating
(C) running a fever
(D) taking deep breaths
| Answer: (B) sweating | Answer: (A) shivering | Question: Which of the following helps the body to cool down?
(A) shivering
(B) sweating
(C) running a fever
(D) taking deep breaths
Answer: (B) sweating |
TAKS_2009_5_2 | The brown fur of the arctic hare turns white in winter. How does this color change most likely help the arctic hare? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"It helps the animal save water.",
"It helps the animal hide from predators.",
"It helps keep the animal cool.",
"It helps protect the animal from disease."
]
} | B | Question: The brown fur of the arctic hare turns white in winter. How does this color change most likely help the arctic hare?
(A) It helps the animal save water.
(B) It helps the animal hide from predators.
(C) It helps keep the animal cool.
(D) It helps protect the animal from disease.
| Answer: (B) It helps the animal hide from predators. | Answer: (C) It helps keep the animal cool. | Question: The brown fur of the arctic hare turns white in winter. How does this color change most likely help the arctic hare?
(A) It helps the animal save water.
(B) It helps the animal hide from predators.
(C) It helps keep the animal cool.
(D) It helps protect the animal from disease.
Answer: (B) It helps the animal hide from predators. |
TAKS_2009_8_31 | A group of students found metamorphic rocks near a campsite. The presence of metamorphic rocks is most likely evidence of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"dinosaur activity",
"sediment deposition",
"high pressure",
"wind-borne sand"
]
} | C | Question: A group of students found metamorphic rocks near a campsite. The presence of metamorphic rocks is most likely evidence of
(A) dinosaur activity
(B) sediment deposition
(C) high pressure
(D) wind-borne sand
| Answer: (C) high pressure | Answer: (B) sediment deposition | Question: A group of students found metamorphic rocks near a campsite. The presence of metamorphic rocks is most likely evidence of
(A) dinosaur activity
(B) sediment deposition
(C) high pressure
(D) wind-borne sand
Answer: (C) high pressure |
Mercury_SC_LBS10790 | As water vapor condenses into liquid, which of the following can be formed? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"ice",
"steam",
"frost",
"clouds"
]
} | D | Question: As water vapor condenses into liquid, which of the following can be formed?
(A) ice
(B) steam
(C) frost
(D) clouds
| Answer: (D) clouds | Answer: (A) ice | Question: As water vapor condenses into liquid, which of the following can be formed?
(A) ice
(B) steam
(C) frost
(D) clouds
Answer: (D) clouds |
Mercury_7218313 | Which of these particles, when found in soil, contributes most to the water retention in soil? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"gravel",
"sand",
"silt",
"clay"
]
} | D | Question: Which of these particles, when found in soil, contributes most to the water retention in soil?
(A) gravel
(B) sand
(C) silt
(D) clay
| Answer: (D) clay | Answer: (B) sand | Question: Which of these particles, when found in soil, contributes most to the water retention in soil?
(A) gravel
(B) sand
(C) silt
(D) clay
Answer: (D) clay |
CSZ30457 | Which of the following forms of energy is released or absorbed in most chemical reactions? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"light energy",
"electrical energy",
"sound energy",
"heat energy"
]
} | D | Question: Which of the following forms of energy is released or absorbed in most chemical reactions?
(A) light energy
(B) electrical energy
(C) sound energy
(D) heat energy
| Answer: (D) heat energy | Answer: (B) electrical energy | Question: Which of the following forms of energy is released or absorbed in most chemical reactions?
(A) light energy
(B) electrical energy
(C) sound energy
(D) heat energy
Answer: (D) heat energy |
Mercury_7207515 | Which of these must occur for sediments to form new rock? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"precipitation",
"evaporation",
"partial melting",
"recrystallization"
]
} | D | Question: Which of these must occur for sediments to form new rock?
(A) precipitation
(B) evaporation
(C) partial melting
(D) recrystallization
| Answer: (D) recrystallization | Answer: (A) precipitation | Question: Which of these must occur for sediments to form new rock?
(A) precipitation
(B) evaporation
(C) partial melting
(D) recrystallization
Answer: (D) recrystallization |
Mercury_187145 | A student wants to find the most accurate account of a scientific discovery that took place within the past three months. In which of these sources should the student look? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"newspapers",
"magazines",
"science textbooks",
"science journals"
]
} | D | Question: A student wants to find the most accurate account of a scientific discovery that took place within the past three months. In which of these sources should the student look?
(A) newspapers
(B) magazines
(C) science textbooks
(D) science journals
| Answer: (D) science journals | Answer: (B) magazines | Question: A student wants to find the most accurate account of a scientific discovery that took place within the past three months. In which of these sources should the student look?
(A) newspapers
(B) magazines
(C) science textbooks
(D) science journals
Answer: (D) science journals |
Mercury_SC_407394 | What is taken in by the leaves of a tree so it can make its own food? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"oxygen",
"sugar",
"sunlight",
"water"
]
} | C | Question: What is taken in by the leaves of a tree so it can make its own food?
(A) oxygen
(B) sugar
(C) sunlight
(D) water
| Answer: (C) sunlight | Answer: (D) water | Question: What is taken in by the leaves of a tree so it can make its own food?
(A) oxygen
(B) sugar
(C) sunlight
(D) water
Answer: (C) sunlight |
Mercury_7098140 | Radio signal interruption sometimes causes a humming or buzzing sound. These sounds are most likely caused by | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"balanced forces.",
"longitudinal waves.",
"gravitational forces.",
"electromagnetic waves."
]
} | D | Question: Radio signal interruption sometimes causes a humming or buzzing sound. These sounds are most likely caused by
(A) balanced forces.
(B) longitudinal waves.
(C) gravitational forces.
(D) electromagnetic waves.
| Answer: (D) electromagnetic waves. | Answer: (B) longitudinal waves. | Question: Radio signal interruption sometimes causes a humming or buzzing sound. These sounds are most likely caused by
(A) balanced forces.
(B) longitudinal waves.
(C) gravitational forces.
(D) electromagnetic waves.
Answer: (D) electromagnetic waves. |
Mercury_7038553 | Students planned an investigation that included adding a quantity of vinegar to a small amount of baking soda. Which is the best tool to measure the volume of the liquid vinegar used in the investigation? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"pan balance",
"spring scale",
"meter stick",
"graduated cylinder"
]
} | D | Question: Students planned an investigation that included adding a quantity of vinegar to a small amount of baking soda. Which is the best tool to measure the volume of the liquid vinegar used in the investigation?
(A) pan balance
(B) spring scale
(C) meter stick
(D) graduated cylinder
| Answer: (D) graduated cylinder | Answer: (C) meter stick | Question: Students planned an investigation that included adding a quantity of vinegar to a small amount of baking soda. Which is the best tool to measure the volume of the liquid vinegar used in the investigation?
(A) pan balance
(B) spring scale
(C) meter stick
(D) graduated cylinder
Answer: (D) graduated cylinder |
Mercury_7136798 | Garrett collected some large rocks from a stream near his home. He measured the rocks on a balance. When he records the mass of the rocks, which units should Garrett use? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"pounds",
"kilograms",
"fluid ounces",
"cubic centimeters"
]
} | B | Question: Garrett collected some large rocks from a stream near his home. He measured the rocks on a balance. When he records the mass of the rocks, which units should Garrett use?
(A) pounds
(B) kilograms
(C) fluid ounces
(D) cubic centimeters
| Answer: (B) kilograms | Answer: (A) pounds | Question: Garrett collected some large rocks from a stream near his home. He measured the rocks on a balance. When he records the mass of the rocks, which units should Garrett use?
(A) pounds
(B) kilograms
(C) fluid ounces
(D) cubic centimeters
Answer: (B) kilograms |
Mercury_401437 | Which of the statements is the most accurate in describing the chemical equation shown below? 2H_{2}(g) + O_{2}(g) -> 2H_{2}O(g) + energy | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"A solid is produced.",
"Energy is released.",
"Energy is absorbed.",
"Equal numbers of molecules are on both sides of the arrow."
]
} | B | Question: Which of the statements is the most accurate in describing the chemical equation shown below? 2H_{2}(g) + O_{2}(g) -> 2H_{2}O(g) + energy
(A) A solid is produced.
(B) Energy is released.
(C) Energy is absorbed.
(D) Equal numbers of molecules are on both sides of the arrow.
| Answer: (B) Energy is released. | Answer: (C) Energy is absorbed. | Question: Which of the statements is the most accurate in describing the chemical equation shown below? 2H_{2}(g) + O_{2}(g) -> 2H_{2}O(g) + energy
(A) A solid is produced.
(B) Energy is released.
(C) Energy is absorbed.
(D) Equal numbers of molecules are on both sides of the arrow.
Answer: (B) Energy is released. |
MDSA_2007_4_31 | A female dog is having puppies. She has black fur, brown eyes, and a curly tail. She can sit, bark, and roll over on command. Which set of traits can the female dog's puppies inherit? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"brown eyes, black fur",
"fur, roll over on command",
"brown eyes, sit on command",
"bark on command, curly tail"
]
} | A | Question: A female dog is having puppies. She has black fur, brown eyes, and a curly tail. She can sit, bark, and roll over on command. Which set of traits can the female dog's puppies inherit?
(A) brown eyes, black fur
(B) fur, roll over on command
(C) brown eyes, sit on command
(D) bark on command, curly tail
| Answer: (A) brown eyes, black fur | Answer: (C) brown eyes, sit on command | Question: A female dog is having puppies. She has black fur, brown eyes, and a curly tail. She can sit, bark, and roll over on command. Which set of traits can the female dog's puppies inherit?
(A) brown eyes, black fur
(B) fur, roll over on command
(C) brown eyes, sit on command
(D) bark on command, curly tail
Answer: (A) brown eyes, black fur |
MDSA_2007_5_21 | Scientists estimate that Maryland contains more than 850 million tons of coal. Coal is most commonly used to produce ___. | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"electricity",
"medicine",
"metals",
"water"
]
} | A | Question: Scientists estimate that Maryland contains more than 850 million tons of coal. Coal is most commonly used to produce ___.
(A) electricity
(B) medicine
(C) metals
(D) water
| Answer: (A) electricity | Answer: (C) metals | Question: Scientists estimate that Maryland contains more than 850 million tons of coal. Coal is most commonly used to produce ___.
(A) electricity
(B) medicine
(C) metals
(D) water
Answer: (A) electricity |
Mercury_7108938 | Large populations of tortoises inhabited the Galapagos Islands before humans. When humans settled on the islands and introduced goats, the number of tortoise declined. What is most likely the explanation for the decrease in the tortoise population? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Goats consume tortoise hatchlings.",
"Goats pollute water sources.",
"Goats compete with tortoises for vegetation.",
"Goats contribute to soil erosion."
]
} | C | Question: Large populations of tortoises inhabited the Galapagos Islands before humans. When humans settled on the islands and introduced goats, the number of tortoise declined. What is most likely the explanation for the decrease in the tortoise population?
(A) Goats consume tortoise hatchlings.
(B) Goats pollute water sources.
(C) Goats compete with tortoises for vegetation.
(D) Goats contribute to soil erosion.
| Answer: (C) Goats compete with tortoises for vegetation. | Answer: (A) Goats consume tortoise hatchlings. | Question: Large populations of tortoises inhabited the Galapagos Islands before humans. When humans settled on the islands and introduced goats, the number of tortoise declined. What is most likely the explanation for the decrease in the tortoise population?
(A) Goats consume tortoise hatchlings.
(B) Goats pollute water sources.
(C) Goats compete with tortoises for vegetation.
(D) Goats contribute to soil erosion.
Answer: (C) Goats compete with tortoises for vegetation. |
Mercury_SC_LBS10587 | Hereditary information is transmitted from parents to offspring through | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"cell division.",
"genes.",
"germination.",
"metamorphosis."
]
} | B | Question: Hereditary information is transmitted from parents to offspring through
(A) cell division.
(B) genes.
(C) germination.
(D) metamorphosis.
| Answer: (B) genes. | Answer: (A) cell division. | Question: Hereditary information is transmitted from parents to offspring through
(A) cell division.
(B) genes.
(C) germination.
(D) metamorphosis.
Answer: (B) genes. |
ACTAAP_2007_7_21 | Which device converts kinetic energy into electrical energy? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"calculator",
"generator",
"electric motor",
"electromagnet"
]
} | B | Question: Which device converts kinetic energy into electrical energy?
(A) calculator
(B) generator
(C) electric motor
(D) electromagnet
| Answer: (B) generator | Answer: (C) electric motor | Question: Which device converts kinetic energy into electrical energy?
(A) calculator
(B) generator
(C) electric motor
(D) electromagnet
Answer: (B) generator |
Mercury_400159 | Which behavior is a learned behavior? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"eating with a fork",
"shivering when it is cold",
"squinting your eyes in bright light",
"developing a fever when you are sick"
]
} | A | Question: Which behavior is a learned behavior?
(A) eating with a fork
(B) shivering when it is cold
(C) squinting your eyes in bright light
(D) developing a fever when you are sick
| Answer: (A) eating with a fork | Answer: (B) shivering when it is cold | Question: Which behavior is a learned behavior?
(A) eating with a fork
(B) shivering when it is cold
(C) squinting your eyes in bright light
(D) developing a fever when you are sick
Answer: (A) eating with a fork |