title
stringlengths
78
512
answers.text
listlengths
4
4
answers.score
listlengths
4
4
question
stringlengths
78
512
answer
stringclasses
4 values
Question: What is the process of the blastula forming 3 layers of cells called? Options: A. gastrulation B. fermentation C. internalization D. Mitosis Answer:
[ "A. gastrulation", "B. fermentation", "C. internalization", "D. Mitosis" ]
[ 10, 1, 1, 1 ]
Question: What is the process of the blastula forming 3 layers of cells called? Options: A. gastrulation B. fermentation C. internalization D. Mitosis Answer:
A
Question: How does air pressure change as altitude increases? Options: A. It increases B. goes up and down C. it decreases D. stays the same Answer:
[ "A. It increases", "B. goes up and down", "C. it decreases", "D. stays the same" ]
[ 1, 1, 10, 1 ]
Question: How does air pressure change as altitude increases? Options: A. It increases B. goes up and down C. it decreases D. stays the same Answer:
C
Question: In harmonic motion there is always what force, which acts in the opposite direction of the velocity? Options: A. locomotion force B. restorative force C. inorganic force D. magnetic force Answer:
[ "A. locomotion force", "B. restorative force", "C. inorganic force", "D. magnetic force" ]
[ 1, 10, 1, 1 ]
Question: In harmonic motion there is always what force, which acts in the opposite direction of the velocity? Options: A. locomotion force B. restorative force C. inorganic force D. magnetic force Answer:
B
Question: Many of the protist species classified into the supergroup excavata are asymmetrical, single-celled organisms with a feeding groove “excavated” from one side. this supergroup includes heterotrophic predators, photosynthetic species, and these? Options: A. insects B. mammals C. reptiles D. parasites Answer:
[ "A. insects", "B. mammals", "C. reptiles", "D. parasites" ]
[ 1, 1, 1, 10 ]
Question: Many of the protist species classified into the supergroup excavata are asymmetrical, single-celled organisms with a feeding groove “excavated” from one side. this supergroup includes heterotrophic predators, photosynthetic species, and these? Options: A. insects B. mammals C. reptiles D. parasites Answer:
D
Question: What is the thick fluid in the space between bones that cushions the joint? Options: A. amniotic fluid B. synovial fluid C. collagen D. interstitial fluid Answer:
[ "A. amniotic fluid", "B. synovial fluid", "C. collagen", "D. interstitial fluid" ]
[ 1, 10, 1, 1 ]
Question: What is the thick fluid in the space between bones that cushions the joint? Options: A. amniotic fluid B. synovial fluid C. collagen D. interstitial fluid Answer:
B
Question: What is the name of the portion of a nucleotide lacking phosphate groups? Options: A. nuclear shell B. a nucleoside C. nucleolus D. a nucleobase Answer:
[ "A. nuclear shell", "B. a nucleoside", "C. nucleolus", "D. a nucleobase" ]
[ 1, 10, 1, 1 ]
Question: What is the name of the portion of a nucleotide lacking phosphate groups? Options: A. nuclear shell B. a nucleoside C. nucleolus D. a nucleobase Answer:
B
Question: The band disappears before metaphase but predicts the future plane of what? Options: A. cell solution B. cell matter C. cell division D. cell wall Answer:
[ "A. cell solution", "B. cell matter", "C. cell division", "D. cell wall" ]
[ 1, 1, 10, 1 ]
Question: The band disappears before metaphase but predicts the future plane of what? Options: A. cell solution B. cell matter C. cell division D. cell wall Answer:
C
Question: What is a common age-related bone disease in which bone density and strength is decreased? Options: A. fibrosis B. osteoporosis C. lupus D. arthritis Answer:
[ "A. fibrosis", "B. osteoporosis", "C. lupus", "D. arthritis" ]
[ 1, 10, 1, 1 ]
Question: What is a common age-related bone disease in which bone density and strength is decreased? Options: A. fibrosis B. osteoporosis C. lupus D. arthritis Answer:
B
Question: Bacteria reproduce through what process? Options: A. residual fission B. binary fusion C. binary fission D. tertiary fission Answer:
[ "A. residual fission", "B. binary fusion", "C. binary fission", "D. tertiary fission" ]
[ 1, 1, 10, 1 ]
Question: Bacteria reproduce through what process? Options: A. residual fission B. binary fusion C. binary fission D. tertiary fission Answer:
C
Question: What is the branch of science that studies the physical world? Options: A. Ecology B. botany C. physics D. social science Answer:
[ "A. Ecology", "B. botany", "C. physics", "D. social science" ]
[ 1, 1, 10, 1 ]
Question: What is the branch of science that studies the physical world? Options: A. Ecology B. botany C. physics D. social science Answer:
C
Question: Osteoclasts break down bone to maintain mineral what? Options: A. polarity B. homeostatis C. fluctuations D. density Answer:
[ "A. polarity", "B. homeostatis", "C. fluctuations", "D. density" ]
[ 1, 10, 1, 1 ]
Question: Osteoclasts break down bone to maintain mineral what? Options: A. polarity B. homeostatis C. fluctuations D. density Answer:
B
Question: Which carbohydrates can be classified in terms of chain length? Options: A. atomic B. simple C. complex D. binary Answer:
[ "A. atomic", "B. simple", "C. complex", "D. binary" ]
[ 1, 10, 1, 1 ]
Question: Which carbohydrates can be classified in terms of chain length? Options: A. atomic B. simple C. complex D. binary Answer:
B
Question: What is altered by changes in cardiac output by variable contriction of the arterioles? Options: A. heart rhythm B. pulse C. blood pressure D. blood type Answer:
[ "A. heart rhythm", "B. pulse", "C. blood pressure", "D. blood type" ]
[ 1, 1, 10, 1 ]
Question: What is altered by changes in cardiac output by variable contriction of the arterioles? Options: A. heart rhythm B. pulse C. blood pressure D. blood type Answer:
C
Question: Eukaryotic cells are cells that contain what? Options: A. a nucleus B. inorganic matter C. pathogens D. energy Answer:
[ "A. a nucleus", "B. inorganic matter", "C. pathogens", "D. energy" ]
[ 10, 1, 1, 1 ]
Question: Eukaryotic cells are cells that contain what? Options: A. a nucleus B. inorganic matter C. pathogens D. energy Answer:
A
Question: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis? Options: A. single spiral B. double helix C. double spiral D. chain helix Answer:
[ "A. single spiral", "B. double helix", "C. double spiral", "D. chain helix" ]
[ 1, 10, 1, 1 ]
Question: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis? Options: A. single spiral B. double helix C. double spiral D. chain helix Answer:
B
Question: The oxygen regions of the water molecules have what kind of charge? Options: A. negative B. neutral C. positive D. certain Answer:
[ "A. negative", "B. neutral", "C. positive", "D. certain" ]
[ 10, 1, 1, 1 ]
Question: The oxygen regions of the water molecules have what kind of charge? Options: A. negative B. neutral C. positive D. certain Answer:
A
Question: Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these? Options: A. tumors and fungi B. molecules and fungi C. bacteria and fungi D. bacteria and tumors Answer:
[ "A. tumors and fungi", "B. molecules and fungi", "C. bacteria and fungi", "D. bacteria and tumors" ]
[ 1, 1, 10, 1 ]
Question: Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these? Options: A. tumors and fungi B. molecules and fungi C. bacteria and fungi D. bacteria and tumors Answer:
C
Question: Millipedes and centipedes are the most commonly found examples of what group of arthropods? Options: A. unicellular myriapoda B. subphylum myriapoda C. Disperse Myriapoda D. protists myriapoda Answer:
[ "A. unicellular myriapoda", "B. subphylum myriapoda", "C. Disperse Myriapoda", "D. protists myriapoda" ]
[ 1, 10, 1, 1 ]
Question: Millipedes and centipedes are the most commonly found examples of what group of arthropods? Options: A. unicellular myriapoda B. subphylum myriapoda C. Disperse Myriapoda D. protists myriapoda Answer:
B
Question: Glass breaking is an example of what type of change that doesn't affect the makeup of matter? Options: A. reversible B. physical C. thermal D. chemical Answer:
[ "A. reversible", "B. physical", "C. thermal", "D. chemical" ]
[ 1, 10, 1, 1 ]
Question: Glass breaking is an example of what type of change that doesn't affect the makeup of matter? Options: A. reversible B. physical C. thermal D. chemical Answer:
B
Question: Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element? Options: A. methane B. carbon C. silicon D. oxygen Answer:
[ "A. methane", "B. carbon", "C. silicon", "D. oxygen" ]
[ 1, 1, 1, 10 ]
Question: Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element? Options: A. methane B. carbon C. silicon D. oxygen Answer:
D
Question: What forms when an atom gains electrons? Options: A. anions B. crystals C. bonds D. cations Answer:
[ "A. anions", "B. crystals", "C. bonds", "D. cations" ]
[ 10, 1, 1, 1 ]
Question: What forms when an atom gains electrons? Options: A. anions B. crystals C. bonds D. cations Answer:
A
Question: There are several types of wetlands including marshes, swamps, bogs, mudflats, and salt marshes. the three shared characteristics among these types—what makes them wetlands—are their hydrology, hydrophytic vegetation, and this? Options: A. sandy soils B. hydric soils C. stibnite soils D. niya soils Answer:
[ "A. sandy soils", "B. hydric soils", "C. stibnite soils", "D. niya soils" ]
[ 1, 10, 1, 1 ]
Question: There are several types of wetlands including marshes, swamps, bogs, mudflats, and salt marshes. the three shared characteristics among these types—what makes them wetlands—are their hydrology, hydrophytic vegetation, and this? Options: A. sandy soils B. hydric soils C. stibnite soils D. niya soils Answer:
B
Question: What element is typically used to shield things from gamma rays? Options: A. silver B. gold C. lead D. aluminum Answer:
[ "A. silver", "B. gold", "C. lead", "D. aluminum" ]
[ 1, 1, 10, 1 ]
Question: What element is typically used to shield things from gamma rays? Options: A. silver B. gold C. lead D. aluminum Answer:
C
Question: What is the combination of tissues that provides a tough, woody external covering on the stems of trees called? Options: A. bark B. scale C. epidermis D. cuticle Answer:
[ "A. bark", "B. scale", "C. epidermis", "D. cuticle" ]
[ 10, 1, 1, 1 ]
Question: What is the combination of tissues that provides a tough, woody external covering on the stems of trees called? Options: A. bark B. scale C. epidermis D. cuticle Answer:
A
Question: Because microorganisms can go through several generations in a matter of hours, their gene expression profiles adapt to the new laboratory environment very quickly. in addition, the vast majority of bacterial species resist being cultured in this? Options: A. colonies B. isolation C. water D. substrate Answer:
[ "A. colonies", "B. isolation", "C. water", "D. substrate" ]
[ 1, 10, 1, 1 ]
Question: Because microorganisms can go through several generations in a matter of hours, their gene expression profiles adapt to the new laboratory environment very quickly. in addition, the vast majority of bacterial species resist being cultured in this? Options: A. colonies B. isolation C. water D. substrate Answer:
B
Question: Examples of acute forms of what type of diseases include the common cold and influenza? Options: A. inherited diseases B. bacterial diseases C. attributable diseases D. viral diseases Answer:
[ "A. inherited diseases", "B. bacterial diseases", "C. attributable diseases", "D. viral diseases" ]
[ 1, 1, 1, 10 ]
Question: Examples of acute forms of what type of diseases include the common cold and influenza? Options: A. inherited diseases B. bacterial diseases C. attributable diseases D. viral diseases Answer:
D
Question: What do red blood cells carry? Options: A. carbon dioxide B. hydrogen C. nitrogen D. oxygen Answer:
[ "A. carbon dioxide", "B. hydrogen", "C. nitrogen", "D. oxygen" ]
[ 1, 1, 1, 10 ]
Question: What do red blood cells carry? Options: A. carbon dioxide B. hydrogen C. nitrogen D. oxygen Answer:
D
Question: The sympathetic division of the vertebrate autonomic nervous system has evolved the fight-or-flight response to counter stress-induced disruptions of this? Options: A. equilibrium B. homeostasis C. blood pressure D. body temperature Answer:
[ "A. equilibrium", "B. homeostasis", "C. blood pressure", "D. body temperature" ]
[ 1, 10, 1, 1 ]
Question: The sympathetic division of the vertebrate autonomic nervous system has evolved the fight-or-flight response to counter stress-induced disruptions of this? Options: A. equilibrium B. homeostasis C. blood pressure D. body temperature Answer:
B
Question: What light-producing process occurs when a substance absorbs shorter-wavelength ultraviolet light and then gives off the energy as visible light? Options: A. luminescence B. fluorescence C. resistance D. candescence Answer:
[ "A. luminescence", "B. fluorescence", "C. resistance", "D. candescence" ]
[ 1, 10, 1, 1 ]
Question: What light-producing process occurs when a substance absorbs shorter-wavelength ultraviolet light and then gives off the energy as visible light? Options: A. luminescence B. fluorescence C. resistance D. candescence Answer:
B
Question: What lies between the continental shelf and the abyssal plain? Options: A. successive slope B. equator C. continental belt D. continental slope Answer:
[ "A. successive slope", "B. equator", "C. continental belt", "D. continental slope" ]
[ 1, 1, 1, 10 ]
Question: What lies between the continental shelf and the abyssal plain? Options: A. successive slope B. equator C. continental belt D. continental slope Answer:
D
Question: In the first beaker, distilled water does not conduct a current because water is a what? Options: A. pure element B. solute C. magnetic compound D. molecular compound Answer:
[ "A. pure element", "B. solute", "C. magnetic compound", "D. molecular compound" ]
[ 1, 1, 1, 10 ]
Question: In the first beaker, distilled water does not conduct a current because water is a what? Options: A. pure element B. solute C. magnetic compound D. molecular compound Answer:
D
Question: What is another term for hydraulic fracturing? Options: A. erupting B. fracking C. permeating D. drilling Answer:
[ "A. erupting", "B. fracking", "C. permeating", "D. drilling" ]
[ 1, 10, 1, 1 ]
Question: What is another term for hydraulic fracturing? Options: A. erupting B. fracking C. permeating D. drilling Answer:
B
Question: In what unit is speed usually measured? Options: A. calories B. Celcius C. radians D. miles per hour Answer:
[ "A. calories", "B. Celcius", "C. radians", "D. miles per hour" ]
[ 1, 1, 1, 10 ]
Question: In what unit is speed usually measured? Options: A. calories B. Celcius C. radians D. miles per hour Answer:
D
Question: Unlike liver bile, 'juice' produced by what organ is clear and composed mostly of water along with some salts, sodium bicarbonate, and digestive enzymes? Options: A. gallbladder B. pancreas C. spleen D. stomach Answer:
[ "A. gallbladder", "B. pancreas", "C. spleen", "D. stomach" ]
[ 1, 10, 1, 1 ]
Question: Unlike liver bile, 'juice' produced by what organ is clear and composed mostly of water along with some salts, sodium bicarbonate, and digestive enzymes? Options: A. gallbladder B. pancreas C. spleen D. stomach Answer:
B
Question: What term means opposition to the flow of electric charges that occurs when electric current travels through matter? Options: A. diffusion B. resistance C. polarity D. antagonism Answer:
[ "A. diffusion", "B. resistance", "C. polarity", "D. antagonism" ]
[ 1, 10, 1, 1 ]
Question: What term means opposition to the flow of electric charges that occurs when electric current travels through matter? Options: A. diffusion B. resistance C. polarity D. antagonism Answer:
B
Question: According to law, what must packaged foods carry? Options: A. pricing B. nutrition facts label C. warnings D. country of origin Answer:
[ "A. pricing", "B. nutrition facts label", "C. warnings", "D. country of origin" ]
[ 1, 10, 1, 1 ]
Question: According to law, what must packaged foods carry? Options: A. pricing B. nutrition facts label C. warnings D. country of origin Answer:
B
Question: What type of terminal releases neurotransmitters at a synapse? Options: A. acetylcholine, B. chloride C. axon D. secretion Answer:
[ "A. acetylcholine,", "B. chloride", "C. axon", "D. secretion" ]
[ 1, 1, 10, 1 ]
Question: What type of terminal releases neurotransmitters at a synapse? Options: A. acetylcholine, B. chloride C. axon D. secretion Answer:
C
Question: What chemical affects the onset of puberty and duration? Options: A. acids B. steroids C. enzymes D. hormones Answer:
[ "A. acids", "B. steroids", "C. enzymes", "D. hormones" ]
[ 1, 1, 1, 10 ]
Question: What chemical affects the onset of puberty and duration? Options: A. acids B. steroids C. enzymes D. hormones Answer:
D
Question: What are the only plants with a life cycle in which the gametophyte generation is dominant? Options: A. photoreactive B. nonpermeable C. vascular plants D. nonvascular Answer:
[ "A. photoreactive", "B. nonpermeable", "C. vascular plants", "D. nonvascular" ]
[ 1, 1, 1, 10 ]
Question: What are the only plants with a life cycle in which the gametophyte generation is dominant? Options: A. photoreactive B. nonpermeable C. vascular plants D. nonvascular Answer:
D
Question: What do angiosperms produce? Options: A. needles B. flowers and fruit C. scales D. leaves Answer:
[ "A. needles", "B. flowers and fruit", "C. scales", "D. leaves" ]
[ 1, 10, 1, 1 ]
Question: What do angiosperms produce? Options: A. needles B. flowers and fruit C. scales D. leaves Answer:
B
Question: What should you let liquid waste do before placing the container in the trash? Options: A. melt B. evaporate C. expand D. generate Answer:
[ "A. melt", "B. evaporate", "C. expand", "D. generate" ]
[ 1, 10, 1, 1 ]
Question: What should you let liquid waste do before placing the container in the trash? Options: A. melt B. evaporate C. expand D. generate Answer:
B
Question: Mammoths, close genetic relatives of modern elephants, are believed to have gone extinct due to hunting by humans and what factor? Options: A. earthquakes B. migration change C. volcanic eruptions D. climate change Answer:
[ "A. earthquakes", "B. migration change", "C. volcanic eruptions", "D. climate change" ]
[ 1, 1, 1, 10 ]
Question: Mammoths, close genetic relatives of modern elephants, are believed to have gone extinct due to hunting by humans and what factor? Options: A. earthquakes B. migration change C. volcanic eruptions D. climate change Answer:
D
Question: What is the ph level of neutral, pure water? Options: A. five B. six and a half C. six D. seven Answer:
[ "A. five", "B. six and a half", "C. six", "D. seven" ]
[ 1, 1, 1, 10 ]
Question: What is the ph level of neutral, pure water? Options: A. five B. six and a half C. six D. seven Answer:
D
Question: Which organ system defends the body from pathogens and other causes of disease? Options: A. immune system B. nervous system C. digestion system D. respiratory system Answer:
[ "A. immune system", "B. nervous system", "C. digestion system", "D. respiratory system" ]
[ 10, 1, 1, 1 ]
Question: Which organ system defends the body from pathogens and other causes of disease? Options: A. immune system B. nervous system C. digestion system D. respiratory system Answer:
A
Question: What is the process where scientific articles are checked and analyzed by other scientists before publication? Options: A. embrace review B. mechanism review C. process review D. peer review Answer:
[ "A. embrace review", "B. mechanism review", "C. process review", "D. peer review" ]
[ 1, 1, 1, 10 ]
Question: What is the process where scientific articles are checked and analyzed by other scientists before publication? Options: A. embrace review B. mechanism review C. process review D. peer review Answer:
D
Question: A mutation is a random change in an organism's what? Options: A. babies B. power C. structure D. genes Answer:
[ "A. babies", "B. power", "C. structure", "D. genes" ]
[ 1, 1, 1, 10 ]
Question: A mutation is a random change in an organism's what? Options: A. babies B. power C. structure D. genes Answer:
D
Question: Synovial and ball-and-socket are both types of what? Options: A. joints B. bonds C. cells D. muscles Answer:
[ "A. joints", "B. bonds", "C. cells", "D. muscles" ]
[ 10, 1, 1, 1 ]
Question: Synovial and ball-and-socket are both types of what? Options: A. joints B. bonds C. cells D. muscles Answer:
A
Question: Who invented dynamite in 1866? Options: A. Albert Einstein B. Louis Pasteur C. alfred nobel D. Madame Curie Answer:
[ "A. Albert Einstein", "B. Louis Pasteur", "C. alfred nobel", "D. Madame Curie" ]
[ 1, 1, 10, 1 ]
Question: Who invented dynamite in 1866? Options: A. Albert Einstein B. Louis Pasteur C. alfred nobel D. Madame Curie Answer:
C
Question: Most liquid freshwater is under the ground in layers of what? Options: A. rock B. soil C. sand D. forest Answer:
[ "A. rock", "B. soil", "C. sand", "D. forest" ]
[ 10, 1, 1, 1 ]
Question: Most liquid freshwater is under the ground in layers of what? Options: A. rock B. soil C. sand D. forest Answer:
A
Question: What phenotype do gain-of-function mutations usually result in? Options: A. dominant B. submissive C. internal D. external Answer:
[ "A. dominant", "B. submissive", "C. internal", "D. external" ]
[ 10, 1, 1, 1 ]
Question: What phenotype do gain-of-function mutations usually result in? Options: A. dominant B. submissive C. internal D. external Answer:
A
Question: What occurs if oxygen cannot be obtained at a sufficient rate? Options: A. aerobic respiration B. hyperventilation C. anaerobic respiration D. malolactic respiration Answer:
[ "A. aerobic respiration", "B. hyperventilation", "C. anaerobic respiration", "D. malolactic respiration" ]
[ 1, 1, 10, 1 ]
Question: What occurs if oxygen cannot be obtained at a sufficient rate? Options: A. aerobic respiration B. hyperventilation C. anaerobic respiration D. malolactic respiration Answer:
C
Question: What are the key to species evolving? Options: A. mutations B. parasites C. radiation D. microbes Answer:
[ "A. mutations", "B. parasites", "C. radiation", "D. microbes" ]
[ 10, 1, 1, 1 ]
Question: What are the key to species evolving? Options: A. mutations B. parasites C. radiation D. microbes Answer:
A
Question: Cancer develops when what process is unregulated? Options: A. metabolism B. cellular respiration C. meiosis D. cell division Answer:
[ "A. metabolism", "B. cellular respiration", "C. meiosis", "D. cell division" ]
[ 1, 1, 1, 10 ]
Question: Cancer develops when what process is unregulated? Options: A. metabolism B. cellular respiration C. meiosis D. cell division Answer:
D
Question: What are needed to oxidize the noble gases to form compounds in positive oxidation states? Options: A. bacteria oxidants B. potent oxidants C. protein oxidants D. metal oxidants Answer:
[ "A. bacteria oxidants", "B. potent oxidants", "C. protein oxidants", "D. metal oxidants" ]
[ 1, 10, 1, 1 ]
Question: What are needed to oxidize the noble gases to form compounds in positive oxidation states? Options: A. bacteria oxidants B. potent oxidants C. protein oxidants D. metal oxidants Answer:
B
Question: Which muscles raise the hyoid bone, the floor of the mouth, and the larynx during deglutition? Options: A. spicule B. Hybrid C. spirogyra D. suprahyoid Answer:
[ "A. spicule", "B. Hybrid", "C. spirogyra", "D. suprahyoid" ]
[ 1, 1, 1, 10 ]
Question: Which muscles raise the hyoid bone, the floor of the mouth, and the larynx during deglutition? Options: A. spicule B. Hybrid C. spirogyra D. suprahyoid Answer:
D
Question: What type of energy is stored in an object because of its position or shape? Options: A. kinetic B. mechanical C. potential D. magnetic Answer:
[ "A. kinetic", "B. mechanical", "C. potential", "D. magnetic" ]
[ 1, 1, 10, 1 ]
Question: What type of energy is stored in an object because of its position or shape? Options: A. kinetic B. mechanical C. potential D. magnetic Answer:
C
Question: Like plants, animals are multicellular what? Options: A. prokaryotes B. eukaryotes C. isolates D. membranes Answer:
[ "A. prokaryotes", "B. eukaryotes", "C. isolates", "D. membranes" ]
[ 1, 10, 1, 1 ]
Question: Like plants, animals are multicellular what? Options: A. prokaryotes B. eukaryotes C. isolates D. membranes Answer:
B
Question: A doorknob and a ferris wheel are examples of what type of simple machine? Options: A. lever and pulley B. ball and socket C. ball and axle D. wheel and axle Answer:
[ "A. lever and pulley", "B. ball and socket", "C. ball and axle", "D. wheel and axle" ]
[ 1, 1, 1, 10 ]
Question: A doorknob and a ferris wheel are examples of what type of simple machine? Options: A. lever and pulley B. ball and socket C. ball and axle D. wheel and axle Answer:
D
Question: What do ocean mollusks use to absorb oxygen from the water? Options: A. gills B. pores C. shells D. scales Answer:
[ "A. gills", "B. pores", "C. shells", "D. scales" ]
[ 10, 1, 1, 1 ]
Question: What do ocean mollusks use to absorb oxygen from the water? Options: A. gills B. pores C. shells D. scales Answer:
A
Question: What is paleobotany? Options: A. study of extinct plants B. study of fresh plants C. study of diseased plants D. study of new plants Answer:
[ "A. study of extinct plants", "B. study of fresh plants", "C. study of diseased plants", "D. study of new plants" ]
[ 10, 1, 1, 1 ]
Question: What is paleobotany? Options: A. study of extinct plants B. study of fresh plants C. study of diseased plants D. study of new plants Answer:
A
Question: What happens to the level of relative humidity in the evening as air temperature declines? Options: A. it rises B. nothing C. it goes up and down D. it falls Answer:
[ "A. it rises", "B. nothing", "C. it goes up and down", "D. it falls" ]
[ 10, 1, 1, 1 ]
Question: What happens to the level of relative humidity in the evening as air temperature declines? Options: A. it rises B. nothing C. it goes up and down D. it falls Answer:
A
Question: What term is used to describe a compound that does not conduct an electric current in either aqueous solution or in the molten state? Options: A. kilocalorie B. xerophyte C. porous D. nonelectrolyte Answer:
[ "A. kilocalorie", "B. xerophyte", "C. porous", "D. nonelectrolyte" ]
[ 1, 1, 1, 10 ]
Question: What term is used to describe a compound that does not conduct an electric current in either aqueous solution or in the molten state? Options: A. kilocalorie B. xerophyte C. porous D. nonelectrolyte Answer:
D
Question: Peregrine falcons made an incredible recovery after laws were passed banning the use of what? Options: A. ddt B. miticide C. Acetamiprid D. Carbaryl Answer:
[ "A. ddt", "B. miticide", "C. Acetamiprid", "D. Carbaryl" ]
[ 10, 1, 1, 1 ]
Question: Peregrine falcons made an incredible recovery after laws were passed banning the use of what? Options: A. ddt B. miticide C. Acetamiprid D. Carbaryl Answer:
A
Question: What pathway in a plant do water and nutrients travel through from the roots to the leaves? Options: A. flowers B. skin C. bark D. stem Answer:
[ "A. flowers", "B. skin", "C. bark", "D. stem" ]
[ 1, 1, 1, 10 ]
Question: What pathway in a plant do water and nutrients travel through from the roots to the leaves? Options: A. flowers B. skin C. bark D. stem Answer:
D
Question: In the tropics what are the prevailing winds called? Options: A. a front B. storm winds C. tradewinds D. crosswinds Answer:
[ "A. a front", "B. storm winds", "C. tradewinds", "D. crosswinds" ]
[ 1, 1, 10, 1 ]
Question: In the tropics what are the prevailing winds called? Options: A. a front B. storm winds C. tradewinds D. crosswinds Answer:
C
Question: How many chromosomes are in a diploid human cell? Options: A. 41 B. 46.63 chromosomes C. 47 D. 46 chromosomes Answer:
[ "A. 41", "B. 46.63 chromosomes", "C. 47", "D. 46 chromosomes" ]
[ 1, 1, 1, 10 ]
Question: How many chromosomes are in a diploid human cell? Options: A. 41 B. 46.63 chromosomes C. 47 D. 46 chromosomes Answer:
D
Question: Motion of water molecules helps break up interactions between what? Options: A. ions or hormones B. acids and bases C. solid ions or molecules D. enzymes and acids Answer:
[ "A. ions or hormones", "B. acids and bases", "C. solid ions or molecules", "D. enzymes and acids" ]
[ 1, 1, 10, 1 ]
Question: Motion of water molecules helps break up interactions between what? Options: A. ions or hormones B. acids and bases C. solid ions or molecules D. enzymes and acids Answer:
C
Question: Which cycle is named after the scientist melvin calvin? Options: A. calvin cycle B. melcal cycle C. melvin cycle D. krebs cycle Answer:
[ "A. calvin cycle", "B. melcal cycle", "C. melvin cycle", "D. krebs cycle" ]
[ 10, 1, 1, 1 ]
Question: Which cycle is named after the scientist melvin calvin? Options: A. calvin cycle B. melcal cycle C. melvin cycle D. krebs cycle Answer:
A
Question: What is formed when a subducting plate flows under another tectonic plate? Options: A. fault line B. magma C. boundary plate D. volcanic arc Answer:
[ "A. fault line", "B. magma", "C. boundary plate", "D. volcanic arc" ]
[ 1, 1, 1, 10 ]
Question: What is formed when a subducting plate flows under another tectonic plate? Options: A. fault line B. magma C. boundary plate D. volcanic arc Answer:
D
Question: What force increases a slide downhill and decreases a slide uphill? Options: A. frictional B. nuclear C. gravity D. tension Answer:
[ "A. frictional", "B. nuclear", "C. gravity", "D. tension" ]
[ 1, 1, 10, 1 ]
Question: What force increases a slide downhill and decreases a slide uphill? Options: A. frictional B. nuclear C. gravity D. tension Answer:
C
Question: Lymphoma is a cancer of a type of what type of cells, called lymphocytes? Options: A. lung cells B. brain cells C. white blood cells D. red blood cells Answer:
[ "A. lung cells", "B. brain cells", "C. white blood cells", "D. red blood cells" ]
[ 1, 1, 10, 1 ]
Question: Lymphoma is a cancer of a type of what type of cells, called lymphocytes? Options: A. lung cells B. brain cells C. white blood cells D. red blood cells Answer:
C
Question: What type of eggs do fully terrestrial vertebrates carry? Options: A. epithelial B. amphibious C. amniotic D. aqueous Answer:
[ "A. epithelial", "B. amphibious", "C. amniotic", "D. aqueous" ]
[ 1, 1, 10, 1 ]
Question: What type of eggs do fully terrestrial vertebrates carry? Options: A. epithelial B. amphibious C. amniotic D. aqueous Answer:
C
Question: What is the time since the beginning of the ice ages? Options: A. Mesozoic epocH B. Paleolithic era C. quaternary period D. Jurassic period Answer:
[ "A. Mesozoic epocH", "B. Paleolithic era", "C. quaternary period", "D. Jurassic period" ]
[ 1, 1, 10, 1 ]
Question: What is the time since the beginning of the ice ages? Options: A. Mesozoic epocH B. Paleolithic era C. quaternary period D. Jurassic period Answer:
C
Question: What will the contraction of smooth muscles help organs do? Options: A. fine motor movements B. move across distances C. move joints D. carry out functions Answer:
[ "A. fine motor movements", "B. move across distances", "C. move joints", "D. carry out functions" ]
[ 1, 1, 1, 10 ]
Question: What will the contraction of smooth muscles help organs do? Options: A. fine motor movements B. move across distances C. move joints D. carry out functions Answer:
D
Question: What is an acid that can be produced from the aerobic fermentation of wine? Options: A. orange juice B. soda C. vinegar D. grape juice Answer:
[ "A. orange juice", "B. soda", "C. vinegar", "D. grape juice" ]
[ 1, 1, 10, 1 ]
Question: What is an acid that can be produced from the aerobic fermentation of wine? Options: A. orange juice B. soda C. vinegar D. grape juice Answer:
C
Question: Weathering is fundamental to the creation of what, which exists as a very thin layer over solid rock? Options: A. soil B. fungus C. aquifers D. moss Answer:
[ "A. soil", "B. fungus", "C. aquifers", "D. moss" ]
[ 10, 1, 1, 1 ]
Question: Weathering is fundamental to the creation of what, which exists as a very thin layer over solid rock? Options: A. soil B. fungus C. aquifers D. moss Answer:
A
Question: What type of weathering causes the minerals in a rock to change? Options: A. natural B. toxic C. chemical D. artificial Answer:
[ "A. natural", "B. toxic", "C. chemical", "D. artificial" ]
[ 1, 1, 10, 1 ]
Question: What type of weathering causes the minerals in a rock to change? Options: A. natural B. toxic C. chemical D. artificial Answer:
C
Question: What is the process in which a liquid changes to a solid? Options: A. melting B. boiling C. condensation D. freezing Answer:
[ "A. melting", "B. boiling", "C. condensation", "D. freezing" ]
[ 1, 1, 1, 10 ]
Question: What is the process in which a liquid changes to a solid? Options: A. melting B. boiling C. condensation D. freezing Answer:
D
Question: By pulling out grass by its roots and over-grazing, livestock contribute to what negative process? Options: A. migration B. immigration C. erosion D. evolution Answer:
[ "A. migration", "B. immigration", "C. erosion", "D. evolution" ]
[ 1, 1, 10, 1 ]
Question: By pulling out grass by its roots and over-grazing, livestock contribute to what negative process? Options: A. migration B. immigration C. erosion D. evolution Answer:
C
Question: What are the three types of isomers? Options: A. structural, cis-trans, Polystyrene B. structural , chromosome - trans , enatiomers C. structural, cis-trans, enatiomers D. structural, Polypropylene , enatiomers Answer:
[ "A. structural, cis-trans, Polystyrene", "B. structural , chromosome - trans , enatiomers", "C. structural, cis-trans, enatiomers", "D. structural, Polypropylene , enatiomers" ]
[ 1, 1, 10, 1 ]
Question: What are the three types of isomers? Options: A. structural, cis-trans, Polystyrene B. structural , chromosome - trans , enatiomers C. structural, cis-trans, enatiomers D. structural, Polypropylene , enatiomers Answer:
C
Question: The chloroplasts contain a green pigment called what? Options: A. melanin B. chlorophyll C. sodium D. chloroplasm Answer:
[ "A. melanin", "B. chlorophyll", "C. sodium", "D. chloroplasm" ]
[ 1, 10, 1, 1 ]
Question: The chloroplasts contain a green pigment called what? Options: A. melanin B. chlorophyll C. sodium D. chloroplasm Answer:
B
Question: What state occurs when the amount of solute dissolved exceeds the solubility? Options: A. polymerisation B. density C. supersaturation D. alkalinity Answer:
[ "A. polymerisation", "B. density", "C. supersaturation", "D. alkalinity" ]
[ 1, 1, 10, 1 ]
Question: What state occurs when the amount of solute dissolved exceeds the solubility? Options: A. polymerisation B. density C. supersaturation D. alkalinity Answer:
C
Question: What occurs when spores from two parents fuse and form a zygospore? Options: A. twins B. asexual reproduction C. internal reproduction D. sexual reproduction Answer:
[ "A. twins", "B. asexual reproduction", "C. internal reproduction", "D. sexual reproduction" ]
[ 1, 1, 1, 10 ]
Question: What occurs when spores from two parents fuse and form a zygospore? Options: A. twins B. asexual reproduction C. internal reproduction D. sexual reproduction Answer:
D
Question: Macrophages and dendritic cells are types of what" Options: A. amoena cells B. supercapacitor cells C. phagocytic cells D. mast cells Answer:
[ "A. amoena cells", "B. supercapacitor cells", "C. phagocytic cells", "D. mast cells" ]
[ 1, 1, 10, 1 ]
Question: Macrophages and dendritic cells are types of what" Options: A. amoena cells B. supercapacitor cells C. phagocytic cells D. mast cells Answer:
C
Question: What side of a mountain does the rainshadow effect occur on? Options: A. the leeward side B. due north C. windward D. starboard Answer:
[ "A. the leeward side", "B. due north", "C. windward", "D. starboard" ]
[ 10, 1, 1, 1 ]
Question: What side of a mountain does the rainshadow effect occur on? Options: A. the leeward side B. due north C. windward D. starboard Answer:
A
Question: Centrioles are a very important part of what? Options: A. enterocytes B. tubercles C. centricles D. centrosomes Answer:
[ "A. enterocytes", "B. tubercles", "C. centricles", "D. centrosomes" ]
[ 1, 1, 1, 10 ]
Question: Centrioles are a very important part of what? Options: A. enterocytes B. tubercles C. centricles D. centrosomes Answer:
D
Question: What is the volume of the molecules of an ideal gas? Options: A. three B. two C. zero D. one Answer:
[ "A. three", "B. two", "C. zero", "D. one" ]
[ 1, 1, 10, 1 ]
Question: What is the volume of the molecules of an ideal gas? Options: A. three B. two C. zero D. one Answer:
C
Question: What part of the body are eggs formed in? Options: A. pancreas B. intestine C. ovaries D. brain Answer:
[ "A. pancreas", "B. intestine", "C. ovaries", "D. brain" ]
[ 1, 1, 10, 1 ]
Question: What part of the body are eggs formed in? Options: A. pancreas B. intestine C. ovaries D. brain Answer:
C
Question: What is the first digestive organ that food enters? Options: A. kidneys B. mouth C. intestine D. digestive system Answer:
[ "A. kidneys", "B. mouth", "C. intestine", "D. digestive system" ]
[ 1, 10, 1, 1 ]
Question: What is the first digestive organ that food enters? Options: A. kidneys B. mouth C. intestine D. digestive system Answer:
B
Question: Soda fizzes when what common gas comes out of solution? Options: A. carbon dioxide B. carbon monoxide C. nitrous oxide D. helium Answer:
[ "A. carbon dioxide", "B. carbon monoxide", "C. nitrous oxide", "D. helium" ]
[ 10, 1, 1, 1 ]
Question: Soda fizzes when what common gas comes out of solution? Options: A. carbon dioxide B. carbon monoxide C. nitrous oxide D. helium Answer:
A
Question: The voltage and current are exactly in phase in a what? Options: A. battery B. resistor C. capacitor D. harmonic Answer:
[ "A. battery", "B. resistor", "C. capacitor", "D. harmonic" ]
[ 1, 10, 1, 1 ]
Question: The voltage and current are exactly in phase in a what? Options: A. battery B. resistor C. capacitor D. harmonic Answer:
B
Question: Combining the voltages of the oxidation and reduction half reactions helps to determine what? Options: A. moisture B. slimy C. voltage D. magnetic Answer:
[ "A. moisture", "B. slimy", "C. voltage", "D. magnetic" ]
[ 1, 1, 10, 1 ]
Question: Combining the voltages of the oxidation and reduction half reactions helps to determine what? Options: A. moisture B. slimy C. voltage D. magnetic Answer:
C
Question: What occurs when an unstable nucleus emits a beta particle and energy? Options: A. beta decay B. nucleus decay C. methane decay D. alpha decay Answer:
[ "A. beta decay", "B. nucleus decay", "C. methane decay", "D. alpha decay" ]
[ 10, 1, 1, 1 ]
Question: What occurs when an unstable nucleus emits a beta particle and energy? Options: A. beta decay B. nucleus decay C. methane decay D. alpha decay Answer:
A
Question: A chemical property describes the ability of a substance to undergo a specific what? Options: A. liquid change B. radiation change C. weight Change D. chemical change Answer:
[ "A. liquid change", "B. radiation change", "C. weight Change", "D. chemical change" ]
[ 1, 1, 1, 10 ]
Question: A chemical property describes the ability of a substance to undergo a specific what? Options: A. liquid change B. radiation change C. weight Change D. chemical change Answer:
D
Question: When energy is captured or transformed, it inevitably degrades and becomes what less useful form of energy? Options: A. temperature B. chemical C. motion D. heat Answer:
[ "A. temperature", "B. chemical", "C. motion", "D. heat" ]
[ 1, 1, 1, 10 ]
Question: When energy is captured or transformed, it inevitably degrades and becomes what less useful form of energy? Options: A. temperature B. chemical C. motion D. heat Answer:
D
Question: The periodic table is one of the cornerstones of chemistry because it organizes all the known elements on the basis of their what? Options: A. acid properties B. liquid properties C. size properties D. chemical properties Answer:
[ "A. acid properties", "B. liquid properties", "C. size properties", "D. chemical properties" ]
[ 1, 1, 1, 10 ]
Question: The periodic table is one of the cornerstones of chemistry because it organizes all the known elements on the basis of their what? Options: A. acid properties B. liquid properties C. size properties D. chemical properties Answer:
D
Question: What organs filter wastes from blood so they can be excreted from the body? Options: A. pancreas B. kidneys C. liver D. lungs Answer:
[ "A. pancreas", "B. kidneys", "C. liver", "D. lungs" ]
[ 1, 10, 1, 1 ]
Question: What organs filter wastes from blood so they can be excreted from the body? Options: A. pancreas B. kidneys C. liver D. lungs Answer:
B
Question: The tidal forces near what celestial phenomena are so great they can actually tear matter from a companion star? Options: A. wormholes B. dwarf star C. large holes D. black holes Answer:
[ "A. wormholes", "B. dwarf star", "C. large holes", "D. black holes" ]
[ 1, 1, 1, 10 ]
Question: The tidal forces near what celestial phenomena are so great they can actually tear matter from a companion star? Options: A. wormholes B. dwarf star C. large holes D. black holes Answer:
D
Question: What are female gonads normally called? Options: A. tubules B. testes C. glands D. ovaries Answer:
[ "A. tubules", "B. testes", "C. glands", "D. ovaries" ]
[ 1, 1, 1, 10 ]
Question: What are female gonads normally called? Options: A. tubules B. testes C. glands D. ovaries Answer:
D
Question: Starch and glycogen, as well as simple sugars like glucose and fructose, can all be categorized broadly as what? Options: A. acids B. carbohydrates C. impurities D. vegetables Answer:
[ "A. acids", "B. carbohydrates", "C. impurities", "D. vegetables" ]
[ 1, 10, 1, 1 ]
Question: Starch and glycogen, as well as simple sugars like glucose and fructose, can all be categorized broadly as what? Options: A. acids B. carbohydrates C. impurities D. vegetables Answer:
B