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null | null | null | null | null | null | null | It results in the formation of the seedling. |
null | null | null | null | null | null | null | Some characteristics of an individual are caused by the environment. |
Mercury_7205118 | Which change in the state of water particles causes the particles to become arranged in a fixed position? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"boiling",
"melting",
"freezing",
"evaporating"
]
} | C | Question: Which change in the state of water particles causes the particles to become arranged in a fixed position?
(A) boiling
(B) melting
(C) freezing
(D) evaporating
| Answer: (C) freezing | Answer: (B) melting | Question: Which change in the state of water particles causes the particles to become arranged in a fixed position?
(A) boiling
(B) melting
(C) freezing
(D) evaporating
Answer: (C) freezing |
null | null | null | null | null | null | null | Complex courtship patterns are found in certain bird species. |
null | null | null | null | null | null | null | Later this energy may be released by decomposition of the compound. |
null | null | null | null | null | null | null | Question: What was the purpose of the American Colonization Society founded in 1816 in Washington, DC?
(A) Abolish slavery
(B) Promote civil rights
(C) Resettle free-born blacks and freed slaves to Africa
(D) Establish trade routes with Africa
Answer: (C) Resettle free-born blacks and freed slaves to Africa |
Mercury_SC_417575 | Which area is coldest? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"rainforest",
"tundra",
"grassland",
"reef"
]
} | B | Question: Which area is coldest?
(A) rainforest
(B) tundra
(C) grassland
(D) reef
| Answer: (B) tundra | Answer: (C) grassland | Question: Which area is coldest?
(A) rainforest
(B) tundra
(C) grassland
(D) reef
Answer: (B) tundra |
null | null | null | null | null | null | null | A mutation can also happen during your lifetime. |
null | null | null | null | null | null | null | We now know that heterotrophy is often dominated by single-celled eukaryotes ("microzooplankton," of ~1 to ~200 microns) and by bacteria (of ~0.3 to ~1 microns), the latter carrying out most of the organic carbon decomposition in the ocean. |
null | null | null | null | null | null | null | Sexual reproduction creates genetic variation that allows for evolution. |
Mercury_182245 | Where are proteins synthesized? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"mitochondria",
"ribosomes",
"centrioles",
"lysosomes"
]
} | B | Question: Where are proteins synthesized?
(A) mitochondria
(B) ribosomes
(C) centrioles
(D) lysosomes
| Answer: (B) ribosomes | Answer: (D) lysosomes | Question: Where are proteins synthesized?
(A) mitochondria
(B) ribosomes
(C) centrioles
(D) lysosomes
Answer: (B) ribosomes |
Mercury_SC_400534 | Water causes weathering when it | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"melts rock.",
"forms deltas.",
"erodes rock in its path.",
"moves rock along a fault."
]
} | C | Question: Water causes weathering when it
(A) melts rock.
(B) forms deltas.
(C) erodes rock in its path.
(D) moves rock along a fault.
| Answer: (C) erodes rock in its path. | Answer: (A) melts rock. | Question: Water causes weathering when it
(A) melts rock.
(B) forms deltas.
(C) erodes rock in its path.
(D) moves rock along a fault.
Answer: (C) erodes rock in its path. |
Mercury_402066 | Planets remain in orbit around the Sun because of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"gravity.",
"friction.",
"solar energy.",
"centrifugal force."
]
} | A | Question: Planets remain in orbit around the Sun because of
(A) gravity.
(B) friction.
(C) solar energy.
(D) centrifugal force.
| Answer: (A) gravity. | Answer: (D) centrifugal force. | Question: Planets remain in orbit around the Sun because of
(A) gravity.
(B) friction.
(C) solar energy.
(D) centrifugal force.
Answer: (A) gravity. |
null | null | null | null | null | null | null | Light travels along a straight line. |
null | null | null | null | null | null | null | These changes in viability of plant communities are not all climate change related. |
NCEOGA_2013_8_60 | Why is protein an important part of a healthy diet? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"It is needed to change glucose to energy.",
"It is needed to store nutrients.",
"It is needed to repair tissue.",
"It is needed to produce water."
]
} | C | Question: Why is protein an important part of a healthy diet?
(A) It is needed to change glucose to energy.
(B) It is needed to store nutrients.
(C) It is needed to repair tissue.
(D) It is needed to produce water.
| Answer: (C) It is needed to repair tissue. | Answer: (A) It is needed to change glucose to energy. | Question: Why is protein an important part of a healthy diet?
(A) It is needed to change glucose to energy.
(B) It is needed to store nutrients.
(C) It is needed to repair tissue.
(D) It is needed to produce water.
Answer: (C) It is needed to repair tissue. |
null | null | null | null | null | null | null | Females reach sexual maturity at 4 to 5 years old and lay about 10 to 50 eggs per clutch on mound-nests constructed from plant materials (2) . |
null | null | null | null | null | null | null | At the onset of traditional mitosis (prophase), chromosomes begin to condense into discrete structures within the nucleus and the MTOC duplicates within the cytoplasm ( Fig. 1 A, Traditional View of Mitosis [Traditional]). |
null | null | null | null | null | null | null | Mushrooms, puffballs, mildews, and some molds belong to the kingdom a. Fungi. |
null | null | null | null | null | null | null | Calves are weaned at about six to nine months, and sexual maturity occurs at two to three years of age with domestic animals maturing faster than wild ones. |
null | null | null | null | null | null | null | They can be found all around the world; from the tropics to the arctic zones (Tiffany, 1968). |
null | null | null | null | null | null | null | New species can arise through several different evolutionary mechanisms. |
null | null | null | null | null | null | null | The parasite causes three kinds of disease . |
ACTAAP_2014_5_16 | The temperature in a hot star is high enough to pull electrons away from atoms. What state of matter results from this process? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"gas",
"solid",
"liquid",
"plasma"
]
} | D | Question: The temperature in a hot star is high enough to pull electrons away from atoms. What state of matter results from this process?
(A) gas
(B) solid
(C) liquid
(D) plasma
| Answer: (D) plasma | Answer: (B) solid | Question: The temperature in a hot star is high enough to pull electrons away from atoms. What state of matter results from this process?
(A) gas
(B) solid
(C) liquid
(D) plasma
Answer: (D) plasma |
Mercury_7012530 | The difference between the atomic number of an element and the element's atomic mass is the number of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"ions.",
"protons.",
"electrons.",
"neutrons."
]
} | D | Question: The difference between the atomic number of an element and the element's atomic mass is the number of
(A) ions.
(B) protons.
(C) electrons.
(D) neutrons.
| Answer: (D) neutrons. | Answer: (C) electrons. | Question: The difference between the atomic number of an element and the element's atomic mass is the number of
(A) ions.
(B) protons.
(C) electrons.
(D) neutrons.
Answer: (D) neutrons. |
Mercury_SC_406619 | Which is a major difference between the life cycles of different types of plants? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the way they die",
"the energy they use",
"the way they reproduce",
"the way they make food"
]
} | C | Question: Which is a major difference between the life cycles of different types of plants?
(A) the way they die
(B) the energy they use
(C) the way they reproduce
(D) the way they make food
| Answer: (C) the way they reproduce | Answer: (D) the way they make food | Question: Which is a major difference between the life cycles of different types of plants?
(A) the way they die
(B) the energy they use
(C) the way they reproduce
(D) the way they make food
Answer: (C) the way they reproduce |
Mercury_7008978 | In an earthquake, the primary waves move through | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"air",
"water",
"soil",
"rock"
]
} | D | Question: In an earthquake, the primary waves move through
(A) air
(B) water
(C) soil
(D) rock
| Answer: (D) rock | Answer: (B) water | Question: In an earthquake, the primary waves move through
(A) air
(B) water
(C) soil
(D) rock
Answer: (D) rock |
null | null | null | null | null | null | null | Question: Which college will the guest speaker be from?
(A) Harvard University
(B) SUNY College of Environmental Science and Forestry
(C) Stanford University
(D) University of California, Berkeley
Answer: (B) SUNY College of Environmental Science and Forestry |
NYSEDREGENTS_2016_4_29 | On a field trip, a student holds a frog and reports that it has slippery skin. This is an example of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a measurement",
"a prediction",
"an explanation",
"an observation"
]
} | D | Question: On a field trip, a student holds a frog and reports that it has slippery skin. This is an example of
(A) a measurement
(B) a prediction
(C) an explanation
(D) an observation
| Answer: (D) an observation | Answer: (B) a prediction | Question: On a field trip, a student holds a frog and reports that it has slippery skin. This is an example of
(A) a measurement
(B) a prediction
(C) an explanation
(D) an observation
Answer: (D) an observation |
null | null | null | null | null | null | null | Also, maybe northern forests get periodic droughts, so conifers would be a good thing to have. |
null | null | null | null | null | null | null | Some diets have quality. |
null | null | null | null | null | null | null | Some water is also produced by the mitochondria of leaf cells during aerobic respiration. |
null | null | null | null | null | null | null | The more latent heat that is released, the more a parcel of air will warm. |
null | null | null | null | null | null | null | Also migration routes of birds should be regarded. |
null | null | null | null | null | null | null | Question: The ability of an enzyme to recognize a certain substrate is based on what property of the enzyme?
(A) pH level
(B) temperature
(C) size
(D) shape
Answer: (D) shape |
null | null | null | null | null | null | null | Some animals burrow into earth. |
null | null | null | null | null | null | null | Some flowers lack pistils. |
null | null | null | null | null | null | null | Most diets ensure survival. |
null | null | null | null | null | null | null | Question: How many fundamental links are present in a reflex arc?
(A) 2
(B) 3
(C) 4
(D) 5
Answer: (D) 5 |
TIMSS_1995_8_N6 | Which is the most basic unit of living things? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Cells",
"Bones",
"Tissues",
"Organs"
]
} | A | Question: Which is the most basic unit of living things?
(A) Cells
(B) Bones
(C) Tissues
(D) Organs
| Answer: (A) Cells | Answer: (B) Bones | Question: Which is the most basic unit of living things?
(A) Cells
(B) Bones
(C) Tissues
(D) Organs
Answer: (A) Cells |
null | null | null | null | null | null | null | The reproductive efficiency varies not only between species and breeds but also among the animals within the Same breed. |
null | null | null | null | null | null | null | They release eggs that circulate through the blood. |
NYSEDREGENTS_2007_4_24 | Some birds fly south before winter each year. This is an example of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"migration",
"hibernation",
"germination",
"evaporation"
]
} | A | Question: Some birds fly south before winter each year. This is an example of
(A) migration
(B) hibernation
(C) germination
(D) evaporation
| Answer: (A) migration | Answer: (C) germination | Question: Some birds fly south before winter each year. This is an example of
(A) migration
(B) hibernation
(C) germination
(D) evaporation
Answer: (A) migration |
null | null | null | null | null | null | null | Some individuals may develop abnormal heart rate and rhythm. |
Mercury_175175 | Which of the following helps to produce urine in humans and other mammals? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"bladder",
"urethra",
"kidneys",
"ureter"
]
} | C | Question: Which of the following helps to produce urine in humans and other mammals?
(A) bladder
(B) urethra
(C) kidneys
(D) ureter
| Answer: (C) kidneys | Answer: (B) urethra | Question: Which of the following helps to produce urine in humans and other mammals?
(A) bladder
(B) urethra
(C) kidneys
(D) ureter
Answer: (C) kidneys |
NYSEDREGENTS_2004_4_2 | Sleet, rain, snow, and hail are forms of | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"erosion",
"evaporation",
"groundwater",
"precipitation"
]
} | D | Question: Sleet, rain, snow, and hail are forms of
(A) erosion
(B) evaporation
(C) groundwater
(D) precipitation
| Answer: (D) precipitation | Answer: (A) erosion | Question: Sleet, rain, snow, and hail are forms of
(A) erosion
(B) evaporation
(C) groundwater
(D) precipitation
Answer: (D) precipitation |
null | null | null | null | null | null | null | Students will investigate life cycles of animals and identify likenesses between parents and offspring. |
Mercury_7163118 | In a laboratory activity, four different types of rock were placed in identical acid solutions for one week. Each sample was then measured to see if any of the rock mass was dissolved by the acid solution. Which is the dependent (responding) variable in this activity? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"the mass of each rock",
"the type of rock tested",
"the length of time of the test",
"the amount of dissolved rock"
]
} | D | Question: In a laboratory activity, four different types of rock were placed in identical acid solutions for one week. Each sample was then measured to see if any of the rock mass was dissolved by the acid solution. Which is the dependent (responding) variable in this activity?
(A) the mass of each rock
(B) the type of rock tested
(C) the length of time of the test
(D) the amount of dissolved rock
| Answer: (D) the amount of dissolved rock | Answer: (B) the type of rock tested | Question: In a laboratory activity, four different types of rock were placed in identical acid solutions for one week. Each sample was then measured to see if any of the rock mass was dissolved by the acid solution. Which is the dependent (responding) variable in this activity?
(A) the mass of each rock
(B) the type of rock tested
(C) the length of time of the test
(D) the amount of dissolved rock
Answer: (D) the amount of dissolved rock |
null | null | null | null | null | null | null | Question: How should references be listed in APA format?
(A) sequentially
(B) alphabetically
(C) randomly
(D) by date
Answer: (B) alphabetically |
null | null | null | null | null | null | null | Some severe hypertension contributes to causes. |
null | null | null | null | null | null | null | Molecular studies have provided insight into the evolution and interrelationships of the three domains of biological species. |
null | null | null | null | null | null | null | transfer of pollen to the part of a seed plant that contains the ovules, gives rise to pollen tube that discharges sperm into female gametophyte within the ovules; 80% done by animals in angiosperms, which caused coevolution between pollinators; more efficient associated with greater species diversity; biotic ancestral, requires an attractant/advertisement, eg. |
Mercury_7090615 | A house is built in a desert, where there is no electricity and very little wind. Which action could lead to operating the electrical appliances in the house that would cause the least amount of environmental pollution? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"constructing a small hydroelectric plant",
"placing solar panels on the roof of the house",
"using gasoline generators",
"burning coal or wood"
]
} | B | Question: A house is built in a desert, where there is no electricity and very little wind. Which action could lead to operating the electrical appliances in the house that would cause the least amount of environmental pollution?
(A) constructing a small hydroelectric plant
(B) placing solar panels on the roof of the house
(C) using gasoline generators
(D) burning coal or wood
| Answer: (B) placing solar panels on the roof of the house | Answer: (A) constructing a small hydroelectric plant | Question: A house is built in a desert, where there is no electricity and very little wind. Which action could lead to operating the electrical appliances in the house that would cause the least amount of environmental pollution?
(A) constructing a small hydroelectric plant
(B) placing solar panels on the roof of the house
(C) using gasoline generators
(D) burning coal or wood
Answer: (B) placing solar panels on the roof of the house |
null | null | null | null | null | null | null | Most biologists hypothesize that most cells are small because a high surface area/volume ratio is needed for cells to sustain an adequate level of nutrient uptake and waste export. |
NYSEDREGENTS_2016_4_3 | Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"fly south",
"find food",
"protect their young",
"survive the winter"
]
} | C | Question: Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds
(A) fly south
(B) find food
(C) protect their young
(D) survive the winter
| Answer: (C) protect their young | Answer: (B) find food | Question: Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds
(A) fly south
(B) find food
(C) protect their young
(D) survive the winter
Answer: (C) protect their young |
null | null | null | null | null | null | null | Question: In order to achieve a successful introduction, what should be done?
(A) By carefully following the mentioned steps
(B) By ignoring the steps
(C) By improvising the steps
(D) By skipping some steps
Answer: (A) By carefully following the mentioned steps |
Mercury_SC_409235 | Nicole was studying different ecosystems. She compared the number of plants living in a forest to those in a desert. Which factor best explains why more plants may survive in a forest? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"There is more rain in the forest.",
"There is more oxygen in the forest.",
"There is more sunlight in the forest.",
"There is more competition in the forest."
]
} | A | Question: Nicole was studying different ecosystems. She compared the number of plants living in a forest to those in a desert. Which factor best explains why more plants may survive in a forest?
(A) There is more rain in the forest.
(B) There is more oxygen in the forest.
(C) There is more sunlight in the forest.
(D) There is more competition in the forest.
| Answer: (A) There is more rain in the forest. | Answer: (B) There is more oxygen in the forest. | Question: Nicole was studying different ecosystems. She compared the number of plants living in a forest to those in a desert. Which factor best explains why more plants may survive in a forest?
(A) There is more rain in the forest.
(B) There is more oxygen in the forest.
(C) There is more sunlight in the forest.
(D) There is more competition in the forest.
Answer: (A) There is more rain in the forest. |
null | null | null | null | null | null | null | Question: What provides predators with energy for travelling, hunting, and maintaining body temperature?
(A) protein
(B) carbohydrates
(C) fat
(D) vitamins
Answer: (C) fat |
null | null | null | null | null | null | null | some fossils of extinct animals were similar to lviing species |
null | null | null | null | null | null | null | This enormous deforestation has been the cause of an enormous number of species extinctions, the desertification of large tracts of lands, climatic changes, topsoil erosion, large-scale flooding events, famine, disease epidemics/pandemics, and what you might as well call “insect plagues”, amongst other things. |
null | null | null | null | null | null | null | Most mammals have (part) faces. |
null | null | null | null | null | null | null | The product of the light driven electron transfer reactions is ATP. |
Mercury_7056630 | The best example of heat transfer by convection is when | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"sunlight warms soil.",
"a ceiling fan blows air.",
"flames heat up a pan.",
"heat rises in a chimney."
]
} | D | Question: The best example of heat transfer by convection is when
(A) sunlight warms soil.
(B) a ceiling fan blows air.
(C) flames heat up a pan.
(D) heat rises in a chimney.
| Answer: (D) heat rises in a chimney. | Answer: (A) sunlight warms soil. | Question: The best example of heat transfer by convection is when
(A) sunlight warms soil.
(B) a ceiling fan blows air.
(C) flames heat up a pan.
(D) heat rises in a chimney.
Answer: (D) heat rises in a chimney. |
null | null | null | null | null | null | null | This article is reproduced with permission from Chemical & Engineering News (© American Chemical Society). |
null | null | null | null | null | null | null | Question: What is the scion typically cut from?
(A) Wild plant
(B) Cultivated variety
(C) Grass
(D) Weed
Answer: (B) Cultivated variety |
Mercury_7189805 | The endangered Florida manatee is a large, aquatic mammal that feeds on sea grasses in brackish water. Due to where they like to feed, manatees are vulnerable to injuries from boat propellers. If speed zones requiring boats to maintain a low speed are placed in areas where manatees are known to congregate, which will most likely occur? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"less water pollution in manatee habitats will occur",
"manatees will seek alternate food sources",
"new manatee predators will surface",
"manatee populations will increase"
]
} | D | Question: The endangered Florida manatee is a large, aquatic mammal that feeds on sea grasses in brackish water. Due to where they like to feed, manatees are vulnerable to injuries from boat propellers. If speed zones requiring boats to maintain a low speed are placed in areas where manatees are known to congregate, which will most likely occur?
(A) less water pollution in manatee habitats will occur
(B) manatees will seek alternate food sources
(C) new manatee predators will surface
(D) manatee populations will increase
| Answer: (D) manatee populations will increase | Answer: (A) less water pollution in manatee habitats will occur | Question: The endangered Florida manatee is a large, aquatic mammal that feeds on sea grasses in brackish water. Due to where they like to feed, manatees are vulnerable to injuries from boat propellers. If speed zones requiring boats to maintain a low speed are placed in areas where manatees are known to congregate, which will most likely occur?
(A) less water pollution in manatee habitats will occur
(B) manatees will seek alternate food sources
(C) new manatee predators will surface
(D) manatee populations will increase
Answer: (D) manatee populations will increase |
null | null | null | null | null | null | null | Most porpoises have (part) heads. |
null | null | null | null | null | null | null | Electron transport and oxidative phosphorylation use oxygen |
Mercury_7097300 | Brittany pedaled her bicycle quickly on a level surface. When she stopped pedaling and coasted, the bicycle slowed and came to a stop. What happened to the energy of the moving bicycle as it coasted to a stop? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"It was transferred to heat due to friction.",
"It was reabsorbed into Brittany's muscles.",
"It was stored in the bicycle wheels as potential energy.",
"It was transferred to the air in the form of visible light."
]
} | A | Question: Brittany pedaled her bicycle quickly on a level surface. When she stopped pedaling and coasted, the bicycle slowed and came to a stop. What happened to the energy of the moving bicycle as it coasted to a stop?
(A) It was transferred to heat due to friction.
(B) It was reabsorbed into Brittany's muscles.
(C) It was stored in the bicycle wheels as potential energy.
(D) It was transferred to the air in the form of visible light.
| Answer: (A) It was transferred to heat due to friction. | Answer: (D) It was transferred to the air in the form of visible light. | Question: Brittany pedaled her bicycle quickly on a level surface. When she stopped pedaling and coasted, the bicycle slowed and came to a stop. What happened to the energy of the moving bicycle as it coasted to a stop?
(A) It was transferred to heat due to friction.
(B) It was reabsorbed into Brittany's muscles.
(C) It was stored in the bicycle wheels as potential energy.
(D) It was transferred to the air in the form of visible light.
Answer: (A) It was transferred to heat due to friction. |
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 |
NCEOGA_2013_5_4 | In which way are evaporation and condensation similar? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"Both cause decreases in air temperature.",
"Both cause increases in air temperature.",
"Both are caused by the warming of the atmosphere.",
"Both are caused by changes in heat energy."
]
} | D | Question: In which way are evaporation and condensation similar?
(A) Both cause decreases in air temperature.
(B) Both cause increases in air temperature.
(C) Both are caused by the warming of the atmosphere.
(D) Both are caused by changes in heat energy.
| Answer: (D) Both are caused by changes in heat energy. | Answer: (A) Both cause decreases in air temperature. | Question: In which way are evaporation and condensation similar?
(A) Both cause decreases in air temperature.
(B) Both cause increases in air temperature.
(C) Both are caused by the warming of the atmosphere.
(D) Both are caused by changes in heat energy.
Answer: (D) Both are caused by changes in heat energy. |
MCAS_2000_4_3 | The BEST way to tell the DIFFERENCE between an oak and a maple tree is to compare the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"height of both trees.",
"number of leaves on the trees.",
"size of the root systems of the trees.",
"shape of the leaves."
]
} | D | Question: The BEST way to tell the DIFFERENCE between an oak and a maple tree is to compare the
(A) height of both trees.
(B) number of leaves on the trees.
(C) size of the root systems of the trees.
(D) shape of the leaves.
| Answer: (D) shape of the leaves. | Answer: (A) height of both trees. | Question: The BEST way to tell the DIFFERENCE between an oak and a maple tree is to compare the
(A) height of both trees.
(B) number of leaves on the trees.
(C) size of the root systems of the trees.
(D) shape of the leaves.
Answer: (D) shape of the leaves. |
null | null | null | null | null | null | null | The sperm is contained in the pollen, while the egg is contained in the ovary, deep within the flower. |
Mercury_415683 | What causes the blue color of the sky? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"emission of light by land and water surfaces",
"reflection of light from land and water surfaces",
"absorption of light by matter in the atmosphere",
"scattering of light by matter in the atmosphere"
]
} | D | Question: What causes the blue color of the sky?
(A) emission of light by land and water surfaces
(B) reflection of light from land and water surfaces
(C) absorption of light by matter in the atmosphere
(D) scattering of light by matter in the atmosphere
| Answer: (D) scattering of light by matter in the atmosphere | Answer: (A) emission of light by land and water surfaces | Question: What causes the blue color of the sky?
(A) emission of light by land and water surfaces
(B) reflection of light from land and water surfaces
(C) absorption of light by matter in the atmosphere
(D) scattering of light by matter in the atmosphere
Answer: (D) scattering of light by matter in the atmosphere |
null | null | null | null | null | null | null | Analogous structures demonstrate that unrelated populations adapt in similar ways to meet similar environmental demands. |
Mercury_177240 | A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"law of gravity.",
"first law of motion.",
"second law of motion.",
"third law of motion."
]
} | B | Question: A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the
(A) law of gravity.
(B) first law of motion.
(C) second law of motion.
(D) third law of motion.
| Answer: (B) first law of motion. | Answer: (C) second law of motion. | Question: A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the
(A) law of gravity.
(B) first law of motion.
(C) second law of motion.
(D) third law of motion.
Answer: (B) first law of motion. |
null | null | null | null | null | null | null | Question: Who proudly held up the seven-year-old boy?
(A) Jehoiada
(B) David
(C) Solomon
(D) Abraham
Answer: (A) Jehoiada |
null | null | null | null | null | null | null | Question: What is a characteristic of most turtles?
(A) ability to fly
(B) ability to swim
(C) ability to photosynthesize
(D) ability to hear sound
Answer: (D) ability to hear sound |
Mercury_7016555 | Which situation is an example of a feedback system in the body that maintains homeostasis? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a mouse pushing a lever to release food",
"a dog going to a food bowl when a bell rings",
"students receiving star stickers for good behavior",
"the brain signaling blood vessels to return to normal"
]
} | D | Question: Which situation is an example of a feedback system in the body that maintains homeostasis?
(A) a mouse pushing a lever to release food
(B) a dog going to a food bowl when a bell rings
(C) students receiving star stickers for good behavior
(D) the brain signaling blood vessels to return to normal
| Answer: (D) the brain signaling blood vessels to return to normal | Answer: (A) a mouse pushing a lever to release food | Question: Which situation is an example of a feedback system in the body that maintains homeostasis?
(A) a mouse pushing a lever to release food
(B) a dog going to a food bowl when a bell rings
(C) students receiving star stickers for good behavior
(D) the brain signaling blood vessels to return to normal
Answer: (D) the brain signaling blood vessels to return to normal |
Mercury_7040898 | What season is the Northern Hemisphere experiencing when it is tilted directly toward the Sun? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"fall",
"winter",
"spring",
"summer"
]
} | D | Question: What season is the Northern Hemisphere experiencing when it is tilted directly toward the Sun?
(A) fall
(B) winter
(C) spring
(D) summer
| Answer: (D) summer | Answer: (A) fall | Question: What season is the Northern Hemisphere experiencing when it is tilted directly toward the Sun?
(A) fall
(B) winter
(C) spring
(D) summer
Answer: (D) summer |
null | null | null | null | null | null | null | Thus, phytoplankton "eat" sunlight, carbon dioxide and other nutrients such as phosphate, nitrate, silicate, iron and calcium. |
null | null | null | null | null | null | null | Most living things need water, food, and air. |
null | null | null | null | null | null | null | 2) Mutualism- _both organisms benefit the relationship |
null | null | null | null | null | null | null | Ail doer are polygamous, with males competing for females, but tlie manner in whicii eacii species approaciies courtship has mucli to do with the nature of its environment. |
null | null | null | null | null | null | null | Most tarsiers have (part) brains. |
null | null | null | null | null | null | null | Plant cells also have chloroplasts, which are responsible for photosynthesis of sunlight. |
Mercury_7282100 | An organism's traits are largely determined by the genetic makeup of its parents. A mutation in which kinds of cells in a parent could cause a new trait to appear in the parent's offspring? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"sperm or egg",
"egg or nerve",
"nerve or muscle",
"muscle or sperm"
]
} | A | Question: An organism's traits are largely determined by the genetic makeup of its parents. A mutation in which kinds of cells in a parent could cause a new trait to appear in the parent's offspring?
(A) sperm or egg
(B) egg or nerve
(C) nerve or muscle
(D) muscle or sperm
| Answer: (A) sperm or egg | Answer: (B) egg or nerve | Question: An organism's traits are largely determined by the genetic makeup of its parents. A mutation in which kinds of cells in a parent could cause a new trait to appear in the parent's offspring?
(A) sperm or egg
(B) egg or nerve
(C) nerve or muscle
(D) muscle or sperm
Answer: (A) sperm or egg |
null | null | null | null | null | null | null | The large scale reduction of this habitat has likewise led to widespread endangerment of many plant and animal taxa. |
null | null | null | null | null | null | null | This condition can also be transmitted to humans. |
Mercury_7163660 | Two identical lamps contain the same amount of different types of oil. They are allowed to burn until all the oil has been burned. Which measurement will best provide the total difference in chemical energy between the two oils? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"final weight of lamp",
"original volume of oil",
"time it took for lamps to use oil",
"height of flame produced by lamp"
]
} | C | Question: Two identical lamps contain the same amount of different types of oil. They are allowed to burn until all the oil has been burned. Which measurement will best provide the total difference in chemical energy between the two oils?
(A) final weight of lamp
(B) original volume of oil
(C) time it took for lamps to use oil
(D) height of flame produced by lamp
| Answer: (C) time it took for lamps to use oil | Answer: (B) original volume of oil | Question: Two identical lamps contain the same amount of different types of oil. They are allowed to burn until all the oil has been burned. Which measurement will best provide the total difference in chemical energy between the two oils?
(A) final weight of lamp
(B) original volume of oil
(C) time it took for lamps to use oil
(D) height of flame produced by lamp
Answer: (C) time it took for lamps to use oil |
MCAS_2008_5_5617 | Baby chicks peck their way out of their shells when they hatch. This activity is an example of which of the following types of behavior? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"instinctive",
"learned",
"planned",
"social"
]
} | A | Question: Baby chicks peck their way out of their shells when they hatch. This activity is an example of which of the following types of behavior?
(A) instinctive
(B) learned
(C) planned
(D) social
| Answer: (A) instinctive | Answer: (D) social | Question: Baby chicks peck their way out of their shells when they hatch. This activity is an example of which of the following types of behavior?
(A) instinctive
(B) learned
(C) planned
(D) social
Answer: (A) instinctive |
Mercury_7228708 | What goal does taxonomy accomplish? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"explains the differences between living organisms",
"classifies living organisms into groups",
"predicts the types of undiscovered organisms",
"establishes relationships of organisms with their habitats"
]
} | B | Question: What goal does taxonomy accomplish?
(A) explains the differences between living organisms
(B) classifies living organisms into groups
(C) predicts the types of undiscovered organisms
(D) establishes relationships of organisms with their habitats
| Answer: (B) classifies living organisms into groups | Answer: (C) predicts the types of undiscovered organisms | Question: What goal does taxonomy accomplish?
(A) explains the differences between living organisms
(B) classifies living organisms into groups
(C) predicts the types of undiscovered organisms
(D) establishes relationships of organisms with their habitats
Answer: (B) classifies living organisms into groups |
Mercury_7042578 | Thousands of years ago, several species of large mammals existed in North America. These species became extinct not long after the first human settlement of North America. Which human activity most likely contributed to the extinction of these mammals? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"hunting",
"waterway pollution",
"habitat destruction",
"competition for resources"
]
} | A | Question: Thousands of years ago, several species of large mammals existed in North America. These species became extinct not long after the first human settlement of North America. Which human activity most likely contributed to the extinction of these mammals?
(A) hunting
(B) waterway pollution
(C) habitat destruction
(D) competition for resources
| Answer: (A) hunting | Answer: (B) waterway pollution | Question: Thousands of years ago, several species of large mammals existed in North America. These species became extinct not long after the first human settlement of North America. Which human activity most likely contributed to the extinction of these mammals?
(A) hunting
(B) waterway pollution
(C) habitat destruction
(D) competition for resources
Answer: (A) hunting |
null | null | null | null | null | null | null | Question: What is the basic process of cell division in bacteria shown in the diagram?
(A) Mitosis
(B) Meiosis
(C) Binary fission
(D) Budding
Answer: (C) Binary fission |
Mercury_7211995 | Some students were investigating the relationship between position, time, and speed. The students marked the initial position of a toy car. The students set the car into motion and marked the position of the car each second. Which of these are most appropriate for recording and analyzing the students' data? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"a table and a bar graph",
"a table and a line graph",
"a pie chart and a bar graph",
"a pie chart and a line graph"
]
} | B | Question: Some students were investigating the relationship between position, time, and speed. The students marked the initial position of a toy car. The students set the car into motion and marked the position of the car each second. Which of these are most appropriate for recording and analyzing the students' data?
(A) a table and a bar graph
(B) a table and a line graph
(C) a pie chart and a bar graph
(D) a pie chart and a line graph
| Answer: (B) a table and a line graph | Answer: (A) a table and a bar graph | Question: Some students were investigating the relationship between position, time, and speed. The students marked the initial position of a toy car. The students set the car into motion and marked the position of the car each second. Which of these are most appropriate for recording and analyzing the students' data?
(A) a table and a bar graph
(B) a table and a line graph
(C) a pie chart and a bar graph
(D) a pie chart and a line graph
Answer: (B) a table and a line graph |
null | null | null | null | null | null | null | Rapidly moving water, such as in a mountain stream or large river, tends to contain a lot of dissolved oxygen, while stagnant water contains little. |
MCAS_2008_5_5643 | Which type of rock is formed when hot lava cools? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"coal",
"igneous",
"limestone",
"metamorphic"
]
} | B | Question: Which type of rock is formed when hot lava cools?
(A) coal
(B) igneous
(C) limestone
(D) metamorphic
| Answer: (B) igneous | Answer: (A) coal | Question: Which type of rock is formed when hot lava cools?
(A) coal
(B) igneous
(C) limestone
(D) metamorphic
Answer: (B) igneous |
LEAP_2001_8_10380 | Which of these best defines the term "pollutant"? | {
"label": [
"A",
"B",
"C",
"D"
],
"text": [
"anything humans add to the atmosphere and oceans",
"any substance that is harmful to the environment",
"any substance that is a waste product of industry",
"a substance that does not break down over time"
]
} | B | Question: Which of these best defines the term "pollutant"?
(A) anything humans add to the atmosphere and oceans
(B) any substance that is harmful to the environment
(C) any substance that is a waste product of industry
(D) a substance that does not break down over time
| Answer: (B) any substance that is harmful to the environment | Answer: (D) a substance that does not break down over time | Question: Which of these best defines the term "pollutant"?
(A) anything humans add to the atmosphere and oceans
(B) any substance that is harmful to the environment
(C) any substance that is a waste product of industry
(D) a substance that does not break down over time
Answer: (B) any substance that is harmful to the environment |
null | null | null | null | null | null | null | There are three different ways genetic information contained in a viral genome can be reproduced. |
null | null | null | null | null | null | null | Domesticated animals also stand out in terms of physical appearance. |