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Mercury_7158953 | Isabel goes jogging for two miles on a sunny afternoon. At the end of her run, she is warmer. As Isabel jogs, which function does the skin perform to help stabilize her body temperature? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Her skin exchanges oxygen and carbon dioxide.",
"Her skin produces red blood cells.",
"Her skin releases hormones.",
"Her skin discharges water."
]
} | D | Question: Isabel goes jogging for two miles on a sunny afternoon. At the end of her run, she is warmer. As Isabel jogs, which function does the skin perform to help stabilize her body temperature?
(A) Her skin exchanges oxygen and carbon dioxide.
(B) Her skin produces red blood cells.
(C) Her skin releases hormones.
(D) Her skin discharges water.
| Answer: (D) Her skin discharges water. | Answer: (B) Her skin produces red blood cells. | Question: Isabel goes jogging for two miles on a sunny afternoon. At the end of her run, she is warmer. As Isabel jogs, which function does the skin perform to help stabilize her body temperature?
(A) Her skin exchanges oxygen and carbon dioxide.
(B) Her skin produces red blood cells.
(C) Her skin releases hormones.
(D) Her skin discharges water.
Answer: (D) Her skin discharges water. |
null | null | null | null | null | null | null | Some insects affect corn. |
null | null | null | null | null | null | null | This article will attempt to shed some light on this subject. |
Mercury_7083983 | Which of the following statements applies to all states of matter? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Matter takes the shape of its container.",
"Matter is made up of particles that are stationary.",
"Matter consists of tightly packed particles.",
"Matter is made up of particles called atoms."
]
} | D | Question: Which of the following statements applies to all states of matter?
(A) Matter takes the shape of its container.
(B) Matter is made up of particles that are stationary.
(C) Matter consists of tightly packed particles.
(D) Matter is made up of particles called atoms.
| Answer: (D) Matter is made up of particles called atoms. | Answer: (B) Matter is made up of particles that are stationary. | Question: Which of the following statements applies to all states of matter?
(A) Matter takes the shape of its container.
(B) Matter is made up of particles that are stationary.
(C) Matter consists of tightly packed particles.
(D) Matter is made up of particles called atoms.
Answer: (D) Matter is made up of particles called atoms. |
NYSEDREGENTS_2016_4_1 | Which list contains only nonliving things? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"coins, snakes, birds",
"water, rocks, sunlight",
"rubber ball, plants, house",
"soil, fish, air"
]
} | B | Question: Which list contains only nonliving things?
(A) coins, snakes, birds
(B) water, rocks, sunlight
(C) rubber ball, plants, house
(D) soil, fish, air
| Answer: (B) water, rocks, sunlight | Answer: (D) soil, fish, air | Question: Which list contains only nonliving things?
(A) coins, snakes, birds
(B) water, rocks, sunlight
(C) rubber ball, plants, house
(D) soil, fish, air
Answer: (B) water, rocks, sunlight |
null | null | null | null | null | null | null | These compounds move through the chloroplast to finish the process of photosynthesis. |
null | null | null | null | null | null | null | As may be recalled from the evidence of comparative anatomy, paleontology, and embryology, biologists have believed that the birds arc related to the reptiles. |
null | null | null | null | null | null | null | Question: How many episodes does "Patria" have?
(A) ten
(B) twelve
(C) fifteen
(D) twenty
Answer: (C) fifteen |
null | null | null | null | null | null | null | Question: Coffee (Coffea arabica) is obtained from what type of berries?
(A) red
(B) oblong
(C) round
(D) green
Answer: (D) green |
null | null | null | null | null | null | null | Some intake lowers blood pressure. |
null | null | null | null | null | null | null | Excess carbon dioxide and oxygen are excreted from the plant through the stomata in the leaves. |
Mercury_7071453 | A researcher observes that an organism placed in a glass container filled with water moves away when a penlight is focused on the container. The researcher concludes that the organism is light sensitive. Which other explanation for the organism's response to the light is most possible? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The organism avoids radio waves.",
"The organism avoids gamma rays.",
"The organism moves away from vibrations.",
"The organism moves away from heat sources."
]
} | D | Question: A researcher observes that an organism placed in a glass container filled with water moves away when a penlight is focused on the container. The researcher concludes that the organism is light sensitive. Which other explanation for the organism's response to the light is most possible?
(A) The organism avoids radio waves.
(B) The organism avoids gamma rays.
(C) The organism moves away from vibrations.
(D) The organism moves away from heat sources.
| Answer: (D) The organism moves away from heat sources. | Answer: (C) The organism moves away from vibrations. | Question: A researcher observes that an organism placed in a glass container filled with water moves away when a penlight is focused on the container. The researcher concludes that the organism is light sensitive. Which other explanation for the organism's response to the light is most possible?
(A) The organism avoids radio waves.
(B) The organism avoids gamma rays.
(C) The organism moves away from vibrations.
(D) The organism moves away from heat sources.
Answer: (D) The organism moves away from heat sources. |
null | null | null | null | null | null | null | Cilia have a microtubular skeletal structure enclosed by an extension of the *cell membrane. |
null | null | null | null | null | null | null | These birds are found in North America. |
Mercury_7140455 | Students are studying the classifications of stars and they learned that the majority of stars are similar to the Sun. What can the students conclude knowing that most of the stars in the galaxy are like the Sun? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Most of the stars will become black holes.",
"Most of the stars are main sequence stars.",
"Most of the stars are protostars.",
"Most of the stars are red giants."
]
} | B | Question: Students are studying the classifications of stars and they learned that the majority of stars are similar to the Sun. What can the students conclude knowing that most of the stars in the galaxy are like the Sun?
(A) Most of the stars will become black holes.
(B) Most of the stars are main sequence stars.
(C) Most of the stars are protostars.
(D) Most of the stars are red giants.
| Answer: (B) Most of the stars are main sequence stars. | Answer: (C) Most of the stars are protostars. | Question: Students are studying the classifications of stars and they learned that the majority of stars are similar to the Sun. What can the students conclude knowing that most of the stars in the galaxy are like the Sun?
(A) Most of the stars will become black holes.
(B) Most of the stars are main sequence stars.
(C) Most of the stars are protostars.
(D) Most of the stars are red giants.
Answer: (B) Most of the stars are main sequence stars. |
Mercury_7074935 | Multicellular organisms grow in size by producing more | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"cells.",
"organs.",
"heart muscle.",
"chlorophyll."
]
} | A | Question: Multicellular organisms grow in size by producing more
(A) cells.
(B) organs.
(C) heart muscle.
(D) chlorophyll.
| Answer: (A) cells. | Answer: (D) chlorophyll. | Question: Multicellular organisms grow in size by producing more
(A) cells.
(B) organs.
(C) heart muscle.
(D) chlorophyll.
Answer: (A) cells. |
Mercury_7185605 | Biotic forces can cause changes to the surface of Earth. Which is the best example of living organisms causing weathering? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Beavers building a dam across a stream.",
"Cattle walking and grazing in a grassland.",
"Salmon making nests for their eggs in a stream.",
"Tree seedlings growing and forming cracks in rocks."
]
} | D | Question: Biotic forces can cause changes to the surface of Earth. Which is the best example of living organisms causing weathering?
(A) Beavers building a dam across a stream.
(B) Cattle walking and grazing in a grassland.
(C) Salmon making nests for their eggs in a stream.
(D) Tree seedlings growing and forming cracks in rocks.
| Answer: (D) Tree seedlings growing and forming cracks in rocks. | Answer: (B) Cattle walking and grazing in a grassland. | Question: Biotic forces can cause changes to the surface of Earth. Which is the best example of living organisms causing weathering?
(A) Beavers building a dam across a stream.
(B) Cattle walking and grazing in a grassland.
(C) Salmon making nests for their eggs in a stream.
(D) Tree seedlings growing and forming cracks in rocks.
Answer: (D) Tree seedlings growing and forming cracks in rocks. |
null | null | null | null | null | null | null | Some birds have barbs. |
null | null | null | null | null | null | null | These images can be compared to ideograms. |
null | null | null | null | null | null | null | (b) oxygen is consumed during photosynthesis to make carbon-containing organic molecules. |
Mercury_7271338 | Which of these is the best definition of heredity? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the transfer of learning from one generation to the next",
"the transfer of visible features from one generation to the next",
"the passage of dominant genes from one generation to the next",
"the passage of genetic information from one generation to the next"
]
} | D | Question: Which of these is the best definition of heredity?
(A) the transfer of learning from one generation to the next
(B) the transfer of visible features from one generation to the next
(C) the passage of dominant genes from one generation to the next
(D) the passage of genetic information from one generation to the next
| Answer: (D) the passage of genetic information from one generation to the next | Answer: (C) the passage of dominant genes from one generation to the next | Question: Which of these is the best definition of heredity?
(A) the transfer of learning from one generation to the next
(B) the transfer of visible features from one generation to the next
(C) the passage of dominant genes from one generation to the next
(D) the passage of genetic information from one generation to the next
Answer: (D) the passage of genetic information from one generation to the next |
null | null | null | null | null | null | null | Your body still needs nutritious foods, though. |
null | null | null | null | null | null | null | As differentiation due to genetic drift is proportional to the effective number of genes, assuming equal sex ratios, an approximately four times lower FST may be expected ( Birky et al., 1983 ). |
null | null | null | null | null | null | null | Question: How does the solubility of halide salts change from fluoride to iodide?
(A) decreases
(B) remains constant
(C) increases
(D) fluctuates
Answer: (C) increases |
Mercury_7010955 | When a large oak tree is cut down in a forest, it leaves a gap in the forest canopy which allows smaller trees to quickly grow in the available sunlight. Which interaction is best represented among the smaller trees? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"parasitism",
"mutualism",
"competition",
"commensalism"
]
} | C | Question: When a large oak tree is cut down in a forest, it leaves a gap in the forest canopy which allows smaller trees to quickly grow in the available sunlight. Which interaction is best represented among the smaller trees?
(A) parasitism
(B) mutualism
(C) competition
(D) commensalism
| Answer: (C) competition | Answer: (D) commensalism | Question: When a large oak tree is cut down in a forest, it leaves a gap in the forest canopy which allows smaller trees to quickly grow in the available sunlight. Which interaction is best represented among the smaller trees?
(A) parasitism
(B) mutualism
(C) competition
(D) commensalism
Answer: (C) competition |
null | null | null | null | null | null | null | The secondary oocyte begins the second meiotic division but is arrested in prophase II (until fertilisation) |
null | null | null | null | null | null | null | Question: How long do males take to establish a new territory?
(A) 1 to 2 months
(B) 1 to 2 weeks
(C) 1 to 2 days
(D) 1 to 2 years
Answer: (D) 1 to 2 years |
null | null | null | null | null | null | null | Primary production, on which almost all of life on earth is dependent, occurs through either photosynthesis or chemosynthesis . |
null | null | null | null | null | null | null | Although there are numerous investigations of watershed influences on the genetic relationships of animal populations, particularly fish species (reviewed in Avise, 1994 ), few studies of plants have been conducted (eg Harris et al, 1992 ; Rogers et al, 1999 ; Butcher et al, 2002 ). |
null | null | null | null | null | null | null | Question: What are children induced to do by sexual motives of a somewhat different character?
(A) play video games
(B) engage in physical activity
(C) wrestle
(D) read books
Answer: (C) wrestle |
null | null | null | null | null | null | null | Some flower petals attract insects. |
null | null | null | null | null | null | null | Most makers have (part) corpi. |
Mercury_SC_409672 | Jessica watches the Sun set in the evening sky. What causes the setting of the Sun? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The distance between Earth and the Sun is increasing.",
"The tilt of Earth on its axis is constantly changing.",
"Earth is revolving around the Sun.",
"Earth is rotating on its axis."
]
} | D | Question: Jessica watches the Sun set in the evening sky. What causes the setting of the Sun?
(A) The distance between Earth and the Sun is increasing.
(B) The tilt of Earth on its axis is constantly changing.
(C) Earth is revolving around the Sun.
(D) Earth is rotating on its axis.
| Answer: (D) Earth is rotating on its axis. | Answer: (B) The tilt of Earth on its axis is constantly changing. | Question: Jessica watches the Sun set in the evening sky. What causes the setting of the Sun?
(A) The distance between Earth and the Sun is increasing.
(B) The tilt of Earth on its axis is constantly changing.
(C) Earth is revolving around the Sun.
(D) Earth is rotating on its axis.
Answer: (D) Earth is rotating on its axis. |
Mercury_SC_415347 | Which is a learned behavior? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"A dog uses its tongue to drink.",
"A robin holds a branch with its feet.",
"A chimpanzee digs for termites with a stick.",
"A worm moves to the top of flooded ground."
]
} | C | Question: Which is a learned behavior?
(A) A dog uses its tongue to drink.
(B) A robin holds a branch with its feet.
(C) A chimpanzee digs for termites with a stick.
(D) A worm moves to the top of flooded ground.
| Answer: (C) A chimpanzee digs for termites with a stick. | Answer: (B) A robin holds a branch with its feet. | Question: Which is a learned behavior?
(A) A dog uses its tongue to drink.
(B) A robin holds a branch with its feet.
(C) A chimpanzee digs for termites with a stick.
(D) A worm moves to the top of flooded ground.
Answer: (C) A chimpanzee digs for termites with a stick. |
null | null | null | null | null | null | null | In a few species, the change in appearance between fresh and worn plumage is striking, but these are not separate plumages. |
Mercury_SC_400602 | Which process causes light to bend and form a rainbow? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"frequency",
"resonance",
"refraction",
"reflection"
]
} | C | Question: Which process causes light to bend and form a rainbow?
(A) frequency
(B) resonance
(C) refraction
(D) reflection
| Answer: (C) refraction | Answer: (B) resonance | Question: Which process causes light to bend and form a rainbow?
(A) frequency
(B) resonance
(C) refraction
(D) reflection
Answer: (C) refraction |
Mercury_7194338 | Cells in the body use oxygen (O2) for cellular respiration. Which is the result of cellular respiration? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"ATP is produced and carbon dioxide (CO2) is released.",
"ATP is consumed and carbon dioxide (CO2) is released.",
"ATP is produced and carbon dioxide (CO2) is absorbed.",
"ATP is consumed and carbon dioxide (CO2) is absorbed."
]
} | A | Question: Cells in the body use oxygen (O2) for cellular respiration. Which is the result of cellular respiration?
(A) ATP is produced and carbon dioxide (CO2) is released.
(B) ATP is consumed and carbon dioxide (CO2) is released.
(C) ATP is produced and carbon dioxide (CO2) is absorbed.
(D) ATP is consumed and carbon dioxide (CO2) is absorbed.
| Answer: (A) ATP is produced and carbon dioxide (CO2) is released. | Answer: (B) ATP is consumed and carbon dioxide (CO2) is released. | Question: Cells in the body use oxygen (O2) for cellular respiration. Which is the result of cellular respiration?
(A) ATP is produced and carbon dioxide (CO2) is released.
(B) ATP is consumed and carbon dioxide (CO2) is released.
(C) ATP is produced and carbon dioxide (CO2) is absorbed.
(D) ATP is consumed and carbon dioxide (CO2) is absorbed.
Answer: (A) ATP is produced and carbon dioxide (CO2) is released. |
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: (D) electromagnet | Question: Which device converts kinetic energy into electrical energy?
(A) calculator
(B) generator
(C) electric motor
(D) electromagnet
Answer: (B) generator |
MCAS_2005_5_9 | Alicia has lots of old bicycle parts. She wants to build something new with the parts. What is the first thing Alicia should do? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"plan the new item",
"construct the new item",
"try out the new item",
"evaluate the new item"
]
} | A | Question: Alicia has lots of old bicycle parts. She wants to build something new with the parts. What is the first thing Alicia should do?
(A) plan the new item
(B) construct the new item
(C) try out the new item
(D) evaluate the new item
| Answer: (A) plan the new item | Answer: (C) try out the new item | Question: Alicia has lots of old bicycle parts. She wants to build something new with the parts. What is the first thing Alicia should do?
(A) plan the new item
(B) construct the new item
(C) try out the new item
(D) evaluate the new item
Answer: (A) plan the new item |
null | null | null | null | null | null | null | A plant needs sunlight , carbon dioxide , minerals and water to make food . |
null | null | null | null | null | null | null | Hatching occurs in two to three days and adults are seen about five days later if birds are present. |
null | null | null | null | null | null | null | It overlooks an important issue: Since fossil layers were really constructed over millions of years, there was sufficient time to accumulate a consistent layer of corpses from many many generations of animals over wide areas. |
Mercury_LBS10378 | The following represents a number displayed on a calculator. 1.454545 E3. Which of the following shows how a student should record this number in a laboratory report? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"(1.45)^3",
"1 5/11",
"1.45 x 10^3",
"1.45 x 3"
]
} | C | Question: The following represents a number displayed on a calculator. 1.454545 E3. Which of the following shows how a student should record this number in a laboratory report?
(A) (1.45)^3
(B) 1 5/11
(C) 1.45 x 10^3
(D) 1.45 x 3
| Answer: (C) 1.45 x 10^3 | Answer: (B) 1 5/11 | Question: The following represents a number displayed on a calculator. 1.454545 E3. Which of the following shows how a student should record this number in a laboratory report?
(A) (1.45)^3
(B) 1 5/11
(C) 1.45 x 10^3
(D) 1.45 x 3
Answer: (C) 1.45 x 10^3 |
null | null | null | null | null | null | null | "Survival of the fittest" depends on better adapted |
null | null | null | null | null | null | null | The seeing conditions depend on the turbulence and thermal variations in the air. |
null | null | null | null | null | null | null | One way of representing the flow of energy through the living components of an ecosystem is through the use of a food chain. |
Mercury_SC_408048 | New vaccines for diseases are being developed all the time. How do vaccines most likely help people? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Vaccines help prevent illnesses.",
"Vaccines keep the environment cleaner.",
"Vaccines help cure people who are sick.",
"Vaccines kill bacteria that cause infections."
]
} | A | Question: New vaccines for diseases are being developed all the time. How do vaccines most likely help people?
(A) Vaccines help prevent illnesses.
(B) Vaccines keep the environment cleaner.
(C) Vaccines help cure people who are sick.
(D) Vaccines kill bacteria that cause infections.
| Answer: (A) Vaccines help prevent illnesses. | Answer: (D) Vaccines kill bacteria that cause infections. | Question: New vaccines for diseases are being developed all the time. How do vaccines most likely help people?
(A) Vaccines help prevent illnesses.
(B) Vaccines keep the environment cleaner.
(C) Vaccines help cure people who are sick.
(D) Vaccines kill bacteria that cause infections.
Answer: (A) Vaccines help prevent illnesses. |
Mercury_405168 | Turning off the light when leaving a room is an example of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"conserving energy.",
"wasting energy.",
"using potential energy.",
"using chemical energy."
]
} | A | Question: Turning off the light when leaving a room is an example of
(A) conserving energy.
(B) wasting energy.
(C) using potential energy.
(D) using chemical energy.
| Answer: (A) conserving energy. | Answer: (D) using chemical energy. | Question: Turning off the light when leaving a room is an example of
(A) conserving energy.
(B) wasting energy.
(C) using potential energy.
(D) using chemical energy.
Answer: (A) conserving energy. |
null | null | null | null | null | null | null | In the present work, some reductions in density were followed by reductions in species richness, suggesting a severe impact of some sort on the community. |
Mercury_7011375 | The measure of the amount of light received on Earth from a star is known as | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"parallax.",
"redshift.",
"absolute magnitude.",
"apparent magnitude."
]
} | D | Question: The measure of the amount of light received on Earth from a star is known as
(A) parallax.
(B) redshift.
(C) absolute magnitude.
(D) apparent magnitude.
| Answer: (D) apparent magnitude. | Answer: (A) parallax. | Question: The measure of the amount of light received on Earth from a star is known as
(A) parallax.
(B) redshift.
(C) absolute magnitude.
(D) apparent magnitude.
Answer: (D) apparent magnitude. |
Mercury_7135450 | Which organ system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"circulatory",
"excretory",
"immune",
"respiratory"
]
} | D | Question: Which organ system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment?
(A) circulatory
(B) excretory
(C) immune
(D) respiratory
| Answer: (D) respiratory | Answer: (C) immune | Question: Which organ system is responsible for the exchange of oxygen and carbon dioxide between the body and the environment?
(A) circulatory
(B) excretory
(C) immune
(D) respiratory
Answer: (D) respiratory |
null | null | null | null | null | null | null | This kingdom includes the bacteria that have the main role of decomposing. |
null | null | null | null | null | null | null | Gerenuks are herbivores who eat leaves, flowers and buds alike. |
null | null | null | null | null | null | null | Some addition improves performance. |
AIMS_2009_4_10 | Directions Read the information about wind erosion then answer the question. Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and polluting the air during dust storms. Walter wanted to find out if faster wind speeds increased the amount of wind erosion. Which instrument should he use to measure wind speed? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"anemometer",
"barometer",
"rain gauge",
"thermometer"
]
} | A | Question: Directions Read the information about wind erosion then answer the question. Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and polluting the air during dust storms. Walter wanted to find out if faster wind speeds increased the amount of wind erosion. Which instrument should he use to measure wind speed?
(A) anemometer
(B) barometer
(C) rain gauge
(D) thermometer
| Answer: (A) anemometer | Answer: (B) barometer | Question: Directions Read the information about wind erosion then answer the question. Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and polluting the air during dust storms. Walter wanted to find out if faster wind speeds increased the amount of wind erosion. Which instrument should he use to measure wind speed?
(A) anemometer
(B) barometer
(C) rain gauge
(D) thermometer
Answer: (A) anemometer |
null | null | null | null | null | null | null | The interplay between behavior, body tem-perature, and ambient temperature could have played a crucial role inthe evolution of humans. |
null | null | null | null | null | null | null | Diffuse competition may be strong among species but does not result in the evolution of narrow niches. |
Mercury_SC_409901 | Plants need a source of energy in order to perform photosynthesis. From which source do plants receive the energy needed to perform photosynthesis? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"oxygen",
"sugar",
"sunlight",
"water"
]
} | C | Question: Plants need a source of energy in order to perform photosynthesis. From which source do plants receive the energy needed to perform photosynthesis?
(A) oxygen
(B) sugar
(C) sunlight
(D) water
| Answer: (C) sunlight | Answer: (D) water | Question: Plants need a source of energy in order to perform photosynthesis. From which source do plants receive the energy needed to perform photosynthesis?
(A) oxygen
(B) sugar
(C) sunlight
(D) water
Answer: (C) sunlight |
null | null | null | null | null | null | null | Ultimate proof of these benefits of sex comes from studies in which asexually-reproducing species have been coaxed into becoming sexually-reproducing ones. |
Mercury_7152810 | Plumes of water vapor have been observed rising from the southern polar region of Enceladus, one of the moons of Saturn. A team of scientists proposed an explanation for the plumes and developed a model. They also published calculations based on their model. These calculations would most likely be used for which purpose in future research? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"testing the hypothesis",
"evaluating similar events",
"mapping routes for exploration",
"checking the validity of observations"
]
} | B | Question: Plumes of water vapor have been observed rising from the southern polar region of Enceladus, one of the moons of Saturn. A team of scientists proposed an explanation for the plumes and developed a model. They also published calculations based on their model. These calculations would most likely be used for which purpose in future research?
(A) testing the hypothesis
(B) evaluating similar events
(C) mapping routes for exploration
(D) checking the validity of observations
| Answer: (B) evaluating similar events | Answer: (A) testing the hypothesis | Question: Plumes of water vapor have been observed rising from the southern polar region of Enceladus, one of the moons of Saturn. A team of scientists proposed an explanation for the plumes and developed a model. They also published calculations based on their model. These calculations would most likely be used for which purpose in future research?
(A) testing the hypothesis
(B) evaluating similar events
(C) mapping routes for exploration
(D) checking the validity of observations
Answer: (B) evaluating similar events |
null | null | null | null | null | null | null | Micro algae is consumed in great quantities by Daphnia, and the abundance of daphnia is usually proportional to the density of algal blooms. |
Mercury_7135730 | An object has a weight of 10 kg on the surface of Earth. If the same object were transported to the surface of Mars, the object would have a weight of 3.8 kg. Which best explains why the weight of the object changed when transported from Earth to Mars? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"The density of the object is greater on Earth than it is on Mars.",
"The volume of the object is greater on Earth than it is on Mars.",
"Gravitational force is greater on Earth than it is on Mars.",
"Atmospheric pressure is less on Earth than it is on Mars."
]
} | C | Question: An object has a weight of 10 kg on the surface of Earth. If the same object were transported to the surface of Mars, the object would have a weight of 3.8 kg. Which best explains why the weight of the object changed when transported from Earth to Mars?
(A) The density of the object is greater on Earth than it is on Mars.
(B) The volume of the object is greater on Earth than it is on Mars.
(C) Gravitational force is greater on Earth than it is on Mars.
(D) Atmospheric pressure is less on Earth than it is on Mars.
| Answer: (C) Gravitational force is greater on Earth than it is on Mars. | Answer: (B) The volume of the object is greater on Earth than it is on Mars. | Question: An object has a weight of 10 kg on the surface of Earth. If the same object were transported to the surface of Mars, the object would have a weight of 3.8 kg. Which best explains why the weight of the object changed when transported from Earth to Mars?
(A) The density of the object is greater on Earth than it is on Mars.
(B) The volume of the object is greater on Earth than it is on Mars.
(C) Gravitational force is greater on Earth than it is on Mars.
(D) Atmospheric pressure is less on Earth than it is on Mars.
Answer: (C) Gravitational force is greater on Earth than it is on Mars. |
null | null | null | null | null | null | null | Organisms that contain both male and female reproductive organs are said to be monoecious. |
Mercury_SC_410872 | The aloe plant can absorb a lot of water during a rain shower. The extra water is stored in its leaves. The ability to store water in its leaves is most likely an adaptation to which type of environment? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"one near the ocean",
"one with dry conditions",
"one with a variety of organisms",
"one that receives a lot of sunlight"
]
} | B | Question: The aloe plant can absorb a lot of water during a rain shower. The extra water is stored in its leaves. The ability to store water in its leaves is most likely an adaptation to which type of environment?
(A) one near the ocean
(B) one with dry conditions
(C) one with a variety of organisms
(D) one that receives a lot of sunlight
| Answer: (B) one with dry conditions | Answer: (C) one with a variety of organisms | Question: The aloe plant can absorb a lot of water during a rain shower. The extra water is stored in its leaves. The ability to store water in its leaves is most likely an adaptation to which type of environment?
(A) one near the ocean
(B) one with dry conditions
(C) one with a variety of organisms
(D) one that receives a lot of sunlight
Answer: (B) one with dry conditions |
AKDE&ED_2008_4_7 | Which property of water can cause a rock to break apart? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Water boiling at 100°C.",
"Water losing energy slowly.",
"Water expanding as it freezes.",
"Water having a high surface tension."
]
} | C | Question: Which property of water can cause a rock to break apart?
(A) Water boiling at 100°C.
(B) Water losing energy slowly.
(C) Water expanding as it freezes.
(D) Water having a high surface tension.
| Answer: (C) Water expanding as it freezes. | Answer: (A) Water boiling at 100°C. | Question: Which property of water can cause a rock to break apart?
(A) Water boiling at 100°C.
(B) Water losing energy slowly.
(C) Water expanding as it freezes.
(D) Water having a high surface tension.
Answer: (C) Water expanding as it freezes. |
null | null | null | null | null | null | null | Females produce 4 – 6 young after a gestation period of 18 – 20 days. |
null | null | null | null | null | null | null | The process by which animals make use of food is called respiration. |
null | null | null | null | null | null | null | Some materials have external fields. |
Mercury_SC_406036 | Which system absorbs and carries food from the digestive system to the rest of the body? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"nervous system",
"muscular system",
"circulatory system",
"respiratory system"
]
} | C | Question: Which system absorbs and carries food from the digestive system to the rest of the body?
(A) nervous system
(B) muscular system
(C) circulatory system
(D) respiratory system
| Answer: (C) circulatory system | Answer: (A) nervous system | Question: Which system absorbs and carries food from the digestive system to the rest of the body?
(A) nervous system
(B) muscular system
(C) circulatory system
(D) respiratory system
Answer: (C) circulatory system |
null | null | null | null | null | null | null | The capsid carries the DNA from one |
null | null | null | null | null | null | null | Question: How much money did the person walk out with?
(A) ₤5,000
(B) ₤10,000
(C) ₤15,000
(D) ₤20,000
Answer: (B) ₤10,000 |
null | null | null | null | null | null | null | They also attract mates by singing. |
null | null | null | null | null | null | null | Most experts come from various backgrounds. |
Mercury_7041318 | Eye color in human beings is an | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"instinct.",
"acquired trait.",
"inherited trait.",
"environmentally influenced trait."
]
} | C | Question: Eye color in human beings is an
(A) instinct.
(B) acquired trait.
(C) inherited trait.
(D) environmentally influenced trait.
| Answer: (C) inherited trait. | Answer: (A) instinct. | Question: Eye color in human beings is an
(A) instinct.
(B) acquired trait.
(C) inherited trait.
(D) environmentally influenced trait.
Answer: (C) inherited trait. |
null | null | null | null | null | null | null | Although eggs are laid individually over a two-week period, incubation of all eggs begins at the same time and all hatch within a few hours of each other. |
CSZ_2009_8_CSZ30348 | What is the density of a 64-g iron cube that displaces 8 mL of water? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"512 g/mL",
"32 g/mL",
"8 g/mL",
"4 g/mL"
]
} | C | Question: What is the density of a 64-g iron cube that displaces 8 mL of water?
(A) 512 g/mL
(B) 32 g/mL
(C) 8 g/mL
(D) 4 g/mL
| Answer: (C) 8 g/mL | Answer: (A) 512 g/mL | Question: What is the density of a 64-g iron cube that displaces 8 mL of water?
(A) 512 g/mL
(B) 32 g/mL
(C) 8 g/mL
(D) 4 g/mL
Answer: (C) 8 g/mL |
null | null | null | null | null | null | null | Most eaters kill mammals. |
null | null | null | null | null | null | null | Question: What did the master say?
(A) Don't even think about it.
(B) Think about it.
(C) Don't do it.
(D) Don't even try.
Answer: (A) Don't even think about it. |
NCEOGA_2013_8_58 | A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to survive? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"They have larger leaves to protect the fruit than the other strawberries.",
"They have different genetic variations that cause them to be more resistant to cold temperatures.",
"They are able to reproduce more quickly than the other strawberries.",
"The color of the strawberries is darker, and they maintain their temperature better than other strawberries."
]
} | B | Question: A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to survive?
(A) They have larger leaves to protect the fruit than the other strawberries.
(B) They have different genetic variations that cause them to be more resistant to cold temperatures.
(C) They are able to reproduce more quickly than the other strawberries.
(D) The color of the strawberries is darker, and they maintain their temperature better than other strawberries.
| Answer: (B) They have different genetic variations that cause them to be more resistant to cold temperatures. | Answer: (D) The color of the strawberries is darker, and they maintain their temperature better than other strawberries. | Question: A strawberry farmer finds that, after a hard freeze, some of his strawberries are still alive. Which best explains why these strawberries were able to survive?
(A) They have larger leaves to protect the fruit than the other strawberries.
(B) They have different genetic variations that cause them to be more resistant to cold temperatures.
(C) They are able to reproduce more quickly than the other strawberries.
(D) The color of the strawberries is darker, and they maintain their temperature better than other strawberries.
Answer: (B) They have different genetic variations that cause them to be more resistant to cold temperatures. |
null | null | null | null | null | null | null | Some caterpillars has-part bellies. |
null | null | null | null | null | null | null | Question: What is the nutritional value of cedar for deer?
(A) High
(B) Moderate
(C) Low
(D) None of the above
Answer: (C) Low |
null | null | null | null | null | null | null | Some physical activities have hosts. |
NCEOGA_2013_5_55 | Which will most likely cause a decrease in predator populations? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"an increase in prey populations",
"a decrease in prey populations",
"a decrease in decomposers",
"an increase in producers"
]
} | B | Question: Which will most likely cause a decrease in predator populations?
(A) an increase in prey populations
(B) a decrease in prey populations
(C) a decrease in decomposers
(D) an increase in producers
| Answer: (B) a decrease in prey populations | Answer: (A) an increase in prey populations | Question: Which will most likely cause a decrease in predator populations?
(A) an increase in prey populations
(B) a decrease in prey populations
(C) a decrease in decomposers
(D) an increase in producers
Answer: (B) a decrease in prey populations |
null | null | null | null | null | null | null | Some plants have specific methods. |
null | null | null | null | null | null | null | In general, younger animals and animals under stress are most likely to show signs of parasitism. |
null | null | null | null | null | null | null | Question: What is the target of the power given by Zellen?
(A) Individuals
(B) Animals
(C) Media and news sources
(D) Government
Answer: (C) Media and news sources |
null | null | null | null | null | null | null | The tubules create an acid solution that helps make the wastes pass out of the body. |
null | null | null | null | null | null | null | Dogs are regarded as highly social animal on the earth. |
null | null | null | null | null | null | null | Question: What do most coatis eat?
(A) fruits and nuts
(B) insects and small animals
(C) grass and leaves
(D) fish and algae
Answer: (B) insects and small animals |
VASoL_2007_5_18 | A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a conclusion",
"a fact",
"an observation",
"a prediction"
]
} | D | Question: A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was
(A) a conclusion
(B) a fact
(C) an observation
(D) a prediction
| Answer: (D) a prediction | Answer: (A) a conclusion | Question: A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was
(A) a conclusion
(B) a fact
(C) an observation
(D) a prediction
Answer: (D) a prediction |
null | null | null | null | null | null | null | Each species in an ecosystem provides a service, but often providers of that service overlap and each species may perform several services. |
NYSEDREGENTS_2005_8_14 | Which model is used by scientists to determine the properties of elements? | {
"label": [
"1",
"2",
"3",
"4"
],
"text": [
"a Punnett square",
"the Periodic Table",
"a pedigree chart",
"the rock cycle"
]
} | 2 | Question: Which model is used by scientists to determine the properties of elements?
(1) a Punnett square
(2) the Periodic Table
(3) a pedigree chart
(4) the rock cycle
| Answer: (2) the Periodic Table | Answer: (4) the rock cycle | Question: Which model is used by scientists to determine the properties of elements?
(1) a Punnett square
(2) the Periodic Table
(3) a pedigree chart
(4) the rock cycle
Answer: (2) the Periodic Table |
null | null | null | null | null | null | null | Blooming occur for about 2 months during summer. |
null | null | null | null | null | null | null | Some ideas relate to dinosaurs. |
null | null | null | null | null | null | null | Most lakes contain fish. |
MCAS_2004_8_9 | What is the smallest particle of the element gold (Au) that can still be classified as gold? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"atom",
"molecule",
"neutron",
"proton"
]
} | A | Question: What is the smallest particle of the element gold (Au) that can still be classified as gold?
(A) atom
(B) molecule
(C) neutron
(D) proton
| Answer: (A) atom | Answer: (C) neutron | Question: What is the smallest particle of the element gold (Au) that can still be classified as gold?
(A) atom
(B) molecule
(C) neutron
(D) proton
Answer: (A) atom |
Mercury_7175840 | Hookworms live inside the intestines of dogs. As the dog eats, the hookworms consume partially digested food. As a result of this nutrient diversion, the dog can become malnourished and weakened. Which best describes the relationship between the hookworms and the dog? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a parasitic relationship",
"a mutualistic relationship",
"a predator-prey relationship",
"a producer-consumer relationship"
]
} | A | Question: Hookworms live inside the intestines of dogs. As the dog eats, the hookworms consume partially digested food. As a result of this nutrient diversion, the dog can become malnourished and weakened. Which best describes the relationship between the hookworms and the dog?
(A) a parasitic relationship
(B) a mutualistic relationship
(C) a predator-prey relationship
(D) a producer-consumer relationship
| Answer: (A) a parasitic relationship | Answer: (B) a mutualistic relationship | Question: Hookworms live inside the intestines of dogs. As the dog eats, the hookworms consume partially digested food. As a result of this nutrient diversion, the dog can become malnourished and weakened. Which best describes the relationship between the hookworms and the dog?
(A) a parasitic relationship
(B) a mutualistic relationship
(C) a predator-prey relationship
(D) a producer-consumer relationship
Answer: (A) a parasitic relationship |
null | null | null | null | null | null | null | A variety of mutant alleles with changes in the coding region have been identified. |
null | null | null | null | null | null | null | Question: What titer value is considered as evidence of past exposure?
(A) <50
(B) 75
(C) 100
(D) >200
Answer: (C) 100 |
Mercury_7072695 | Which part of the electromagnetic spectrum can humans sense without using equipment or technology? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"radio waves",
"visible light",
"microwaves",
"X-rays"
]
} | B | Question: Which part of the electromagnetic spectrum can humans sense without using equipment or technology?
(A) radio waves
(B) visible light
(C) microwaves
(D) X-rays
| Answer: (B) visible light | Answer: (C) microwaves | Question: Which part of the electromagnetic spectrum can humans sense without using equipment or technology?
(A) radio waves
(B) visible light
(C) microwaves
(D) X-rays
Answer: (B) visible light |