dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 1 935 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_04333 | What do anglerfish use their glow-in-the-dark, rod-like structure for? | [
"for protection",
"to find a mate",
"to keep warm",
"to attract prey"
] | D | Anglerfish. This anglerfish lives between 1000 and 4000 meters below sea level. No sunlight penetrates to this depth. The rod-like structure on its face has a glow-in-the-dark tip. It is covered with microorganisms that give off their own light. The fish wiggles the structure like a worm to attract prey. In the darknes... |
medmcqa | medmcqa_05_00843 | Which diagram represents the changes (after osmotic equilibrium) in extracellular and intracellular fluid volumes and osmolarities after the infusion of 3% NaCl? | [
"A",
"B",
"C",
"D"
] | C | A 3% solution of NaCl is hypeonic, and when infused into the extracellular fluid, it would raise osmolarity, thereby causing water to flow out of the cells into the extracellular fluid until osmotic equilibrium is achieved. In the steady state, extracellular fluid volume would increase, intracellular fluid volume would... |
openbookqa | obqa_02_00657 | A person wants to conduct thermal energy through his house, so when deciding on construction materials, he chooses | [
"bits of nickel",
"a wooden beam",
"a plastic shelf",
"a rubber mat"
] | A | a thermal conductor is made of materials that conduct thermal energy |
sciq | sciq_01_09118 | Two kinds of sex hormones are of particular importance in females: progesterone, which prepares the uterus for pregnancy and prevents the further release of eggs from the ovaries during pregnancy, and the estrogens, which are mainly responsible for the development of female secondary sexual characteristics, such as bre... | [
"muscle",
"fat",
"blood",
"bone"
] | B | characteristics of males, or the development of the male genital organs and the continuous production of sperm. Androgens are also responsible for the development of secondary male characteristics, such as facial hair, deep voice, and muscle strength. Two kinds of sex hormones are of particular importance in females: p... |
medmcqa | medmcqa_05_04375 | Which of the following inhalational agents has the maximum blood gas solubility coefficient? | [
"Isoflurane",
"Sevoflurane",
"Desflurane",
"Nitrous oxide"
] | A | Blood-gas paition coefficient, also known as Ostwald coefficient for blood-gas, is a term used in pharmacology to describe the solubility of inhaled general anesthetics in blood. The coefficient is defined as the ratio of the concentration in blood to the concentration in gas that is in contact with that blood when the... |
sciq | sciq_01_07140 | What is a collection of lymphatic tissue that combines with epithelial tissue lining the mucosa throughout the body? | [
"unassociated lymphoid tissue",
"mucosa associated lymphoid tissue (malt)",
"cottony associated lymphoid tissue ( malt )",
"spheroids associated lymphoid tissue ( malt )"
] | B | Mucosal Immune System The innate and adaptive immune responses compose the systemic immune system (affecting the whole body), which is distinct from the mucosal immune system. Mucosa associated lymphoid tissue (MALT) is a crucial component of a functional immune system because mucosal surfaces, such as the nasal passag... |
math_qa | mathqa_03_02512 | the average of first six prime numbers greater than 3 is ? | [
"16",
"10",
"12",
"19"
] | C | "5 + 7 + 11 + 13 + 17 + 19 = 72 / 6 = 12 answer : c" |
sciq | sciq_01_06731 | When atomic orbitals hybridize, the valence electrons occupy these? | [
"newly created elements",
"expanded pathways",
"newly created orbitals",
"newly developed orbits"
] | C | When atomic orbitals hybridize, the valence electrons occupy the newly created orbitals. The Be atom had two valence electrons, so each of the sp orbitals gets one of these electrons. Each of these electrons pairs up with the unpaired electron on a chlorine atom when a hybrid orbital and a chlorine orbital overlap duri... |
sciq | sciq_01_03772 | Uranium is an example of a non-renewable resource used to produce what type of power? | [
"water",
"nuclear",
"electrical",
"wind"
] | B | Some resources can’t be renewed. At least, they can’t be renewed fast enough to keep up with use. Fossil fuels are an example. It takes millions of years for them to form. We are using them up much more quickly. Elements that are used to produce nuclear power are also non-renewable resources. Uranium, for example, whic... |
sciq | sciq_01_10598 | The shape of earlobes is an example of what kind of trait, which is influenced by genes and passed along through generations? | [
"instinct",
"inherited trait",
"genetic disorder",
"acquired trait"
] | B | Human earlobes may be attached or free. You inherited the particular shape of your earlobes from your parents. Inherited traits are influenced by genes, which are passed on to offspring and future generations. Things not influenced by genes are not passed on to your offspring. Natural selection only operates on traits ... |
sciq | sciq_01_04058 | During which process in bacteria do the chromosome replicates and the two daughter chromosomes actively move apart? | [
"matter fission",
"function fission",
"binary fission",
"secondary fission"
] | C | |
ARC-Challenge | arc_04_02753 | What can a flower become? | [
"a fruit",
"a leaf",
"a stem",
"a branch"
] | A | null |
openbookqa | obqa_02_02332 | Which would be excluded from a list of forms of reproduction? | [
"sexual reproduction",
"bisexual reproduction",
"asexual reproduction",
"reproduction"
] | B | different organisms reproduce differently |
ARC-Easy | arc_04_01253 | Michelle is interested in improving the quality of the soil in her yard. She wants more water and air to penetrate the soil. What should she add to the soil to help her achieve this goal? | [
"bacteria",
"fertilizers",
"pesticides",
"earthworms"
] | D | null |
sciq | sciq_01_10046 | Van der waals forces are weak interactions between molecules that involve what? | [
"dipoles",
"photons",
"particles",
"atoms"
] | A | Van der Waals forces are weak interactions between molecules that involve dipoles. |
openbookqa | obqa_02_02685 | You're most likely to encounter magma at | [
"top of iceberg",
"a cloud",
"a space station",
"an island"
] | D | magma is found below the ground |
openbookqa | obqa_02_04324 | Which would likely be to blame for removal of habitats? | [
"a zoo",
"a mall",
"a wildlife charity",
"a rabbit"
] | B | if a habitat is removed then that habitat is destroyed |
sciq | sciq_01_10418 | Living organisms are affected by changes in ph which can include basic conditions and what other kinds of conditions? | [
"acidic",
"complex",
"sodium",
"carbolic"
] | A | 3.3 Acidic and basic conditions affect living organisms. |
sciq | sciq_01_11221 | In the body, second in volume to intracellular fluid is what type of fluid, which surrounds cells that are not blood cells? | [
"concomitant fluid",
"interstitial fluid",
"watery fluid",
"circuitry fluid"
] | B | Figure 26.4 A Pie Graph Showing the Proportion of Total Body Fluid in Each of the Body’s Fluid Compartments Most of the water in the body is intracellular fluid. The second largest volume is the interstitial fluid, which surrounds cells that are not blood cells. |
sciq | sciq_01_03168 | In human females, the mammary glands are associated with, but not part of, what organ system that is used to create new humans? | [
"endocrine",
"digestive",
"immune",
"reproductive"
] | D | |
sciq | sciq_01_00514 | What waves are the broad range of electromagnetic waves with the longest wavelengths and lowest frequencies? | [
"radio",
"sound",
"light",
"microwaves"
] | A | Radio waves are the broad range of electromagnetic waves with the longest wavelengths and lowest frequencies. They are used for radio and television broadcasts, microwave ovens, cell phone transmissions, and radar. |
openbookqa | obqa_02_03503 | If the pressure alters from a high pressure system, the most likely thing to occur next will be | [
"sunshine",
"picnics",
"sprinkling",
"beaches opening"
] | C | as air pressure decreases , the chance of rain will increase |
medmcqa | medmcqa_05_04158 | Which scientific principle is the basis for thermodilution method used in measurement of cardiac output by pulmonary catheter | [
"Hagen-Poisseuile principle",
"Stewa-Hamilton equation",
"Bernouli's principle",
"Universal Gas Equation"
] | B | Ans. b. Stewa-Hamilton equation Stewa Hamilton equation The thermodilution technique has become the de-facto clinical standard for measuring cardiac output because of its ease of implementation and the long clinical experience using it in various settings. It is a variant of the indicator dilution methoddeg, in which a... |
sciq | sciq_01_09297 | What is the term for diseases in which blood does not clot normally? | [
"arthritis",
"lymphoma",
"diabetes",
"hemophilia"
] | D | Hemophilia is a group of diseases in which blood does not clot normally. Factors in blood are involved in clotting. When you bleed, your body begins a coagulation cascade of reactions, involving special proteins known as coagulation factors, to stop that bleeding. When one or more of these clotting factors are missing,... |
sciq | sciq_01_09011 | Exposure to what causes skin color to darken? | [
"heat",
"sunlight",
"hormones",
"pressure"
] | B | Skin color darkens when exposed to the sun. |
sciq | sciq_01_03390 | Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals? | [
"marsupials",
"amphibians",
"reptiles",
"mammals"
] | B | There are about 6,200 known species of living amphibians. They are classified into three orders: frogs and toads, salamanders and newts, and caecilians. |
sciq | sciq_01_02247 | The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals? | [
"feathers",
"beaks",
"claws",
"fingers"
] | A | fossils and birds, specifically in the structure of the hip and wrist bones, as well as the presence of the wishbone, formed by the fusing of the clavicles. One important fossil of an animal intermediate to dinosaurs and birds is Archaeopteryx, which is from the Jurassic period (Figure 29.33). Archaeopteryx is importan... |
math_qa | mathqa_03_00811 | a certain manufacturer of cake , muffin , and bread mixes has 100 buyers , of whom 50 purchases cake mix , 40 purchase muffin mix , and 18 purchase both cake mix and muffin mix . if a buyer is to be selected at random from the 100 buyers , what is the probability that the buyer selected will be one who purchases neithe... | [
"1 / 10",
"3 / 10",
"1 / 2",
"7 / 25"
] | D | "c + m + b - cm - mb - cb - 2 cmb = 100 c - cake buyers , m - muffin and b - bread buyers . cm , mb , cb and cmb are intersecting regions . the question asks for people who have bought only bread mixes = b - cb - mb - 2 cmb has to be found out . 50 + 40 + b - cb - mb - 18 - 2 cmb = 100 b - cb - mb - 2 cmb = 28 hence th... |
medmcqa | medmcqa_05_01062 | Major hormone secreted by zona reticularis of adrenal cortex - | [
"Glucocorticoids",
"Mineralcorticoids",
"Aldosterone",
"Androgens"
] | D | Ans. is 'd' i.e., Androgens o The adrenal cortex is divided into three zones (outer to inner) : Zona glomerulosa, zona fasciculata and zona reticularis.o All three cortical zones secrete corticosterone, but the active enzymatic mechanism for aldosterone biosynthesis is limited to the zona glomerulosa whereas the enzyma... |
math_qa | mathqa_03_03298 | what is the range of all the roots of | x ^ 2 - 1 | = x ? | [
"4",
"3",
"2",
"1"
] | D | we get 2 quadratic equations here . . 1 ) x ^ 2 - x - 1 = 0 . . . . . . . roots 2 , - 1 2 ) x ^ 2 + x - 1 = 0 . . . . . . . . roots - 2 , 1 inserting each root in given equation , it can be seen that - 1 and - 2 do not satisfy the equations . so value of x for given equation . . . . x = 2 or x = 1 i guess range is 2 - ... |
math_qa | mathqa_03_01461 | tom and linda stand at point a . linda begins to walk in a straight line away from tom at a constant rate of 3 miles per hour . one hour later , tom begins to jog in a straight line in the exact opposite direction at a constant rate of 8 miles per hour . if both tom and linda travel indefinitely , what is the positive ... | [
"60",
"72",
"84",
"96"
] | D | "d is the answer . . . . d = ts where d = distance , t = time and s = speed to travel half distance , ( 2 + 3 t ) = 8 t = = > t = 2 / 5 = = > 24 minutes to travel double distance , 2 ( 2 + 3 t ) = 8 t = = > 2 = = > 120 minutes difference , 96 minutes d" |
sciq | sciq_01_00813 | What is the third male reprodutive structure after the penis and testes? | [
"clitoris",
"anus",
"epididymis",
"scrotum"
] | C | Male reproductive structures include the penis, testes, and epididymis. |
openbookqa | obqa_02_03944 | If a liquid disappears then what probably happened to it? | [
"gas transformation",
"solidifying",
"melting",
"cooling"
] | A | if a liquid disappears then that liquid probably evaporated |
sciq | sciq_01_04086 | Elements involved in nuclear reactions are what? | [
"detectable",
"radioactive",
"static",
"inert"
] | B | Elements involved in nuclear reactions are radioactive. How do you think radioactive elements differ from other elements?. |
math_qa | mathqa_03_02465 | the population of a town is 30000 . it decreases annually at the rate of 20 % p . a . what will be its population after 2 years ? | [
"4300",
"19200",
"5120",
"5230"
] | B | "30000 × 80 / 100 × 80 / 100 = 19200 answer ; b" |
medmcqa | medmcqa_05_03219 | Stapedial reflex is mediated by | [
"V and VII nerves",
"V and VIII nerves",
"VII and VI nerves",
"VII and VIII nerves"
] | D | Stapedial reflex: Afferent : Vestibulo-cochlear N. Efferent: Facial N. Note: A person who feigns total deafness and does not give any response on pure tone audiometry but shows a positive stapedial reflex is a malingerer. Ref: Dhingra; 6th Edition; pg no 24 |
sciq | sciq_01_08082 | Amino acids contain both a carboxylic acid group and what other group? | [
"lipid",
"fatty",
"compounds",
"amine"
] | D | Amino acids contain both a carboxylic acid group and an amine group. |
math_qa | mathqa_03_02781 | a and b start walking towards each other at 1 pm at speed of 5 kmph and 7 kmph . they were initially 24 km apart . at what time do they meet ? | [
"4 pm",
"6 pm",
"3 pm",
"10 pm"
] | C | "time of meeting = distance / relative speed = 24 / 7 + 5 = 24 / 12 = 2 hrs after 1 pm = 3 pm answer is c" |
ARC-Easy | arc_04_00102 | A student wants to cut a piece of string for a class activity. The length of the string is measured BEST in which units? | [
"Gallons",
"Liters",
"Miles",
"Centimeters"
] | D | null |
sciq | sciq_01_00500 | The products of photosynthesis are glucose and what else? | [
"oxygen",
"carbon",
"hydrogen",
"nitrogen"
] | A | The products of photosynthesis are glucose and oxygen. |
sciq | sciq_01_05886 | When substances pass through the cell membrane without needing any energy what is it called? | [
"energetic transport",
"kinetic transport",
"active transport",
"passive transport"
] | D | Passive transport occurs when a substance passes through the cell membrane without needing any energy to pass through. This happens when a substance moves from an area where it is more concentrated to an area where it is less concentrated. Concentration is the number of particles of a substance in a given volume. Let's... |
math_qa | mathqa_03_03038 | what is the dividend ? the divisor is 17 , the quotient is 4 and the remainder is 8 . | [
"76",
"67",
"176",
"671"
] | A | "divided = divisor * quotient + remainder ? = 17 * 4 + 8 68 + 8 76 ( e . g . answer : a )" |
openbookqa | obqa_02_04343 | If you flick an empty glass of water with your finger it will | [
"fill up",
"burst in flames",
"make a sound",
"evaporate"
] | C | vibrating matter can produce sound |
ARC-Challenge | arc_04_02639 | A bowling ball sitting motionless on a table exerts a downward force on the table. The force exerted by the table must be | [
"equal to the force of the ball.",
"continually changing with the ball.",
"greater than the force of the ball.",
"less than the force of the ball."
] | A | null |
math_qa | mathqa_03_03420 | the profit earned by selling an article for rs . 832 is equal to the loss incurred when the same article is sold for rs . 448 . what should be the sale price for making 50 % profit ? | [
"277",
"960",
"277",
"266"
] | B | "let c . p . = rs . x . then , 832 - x = x - 448 2 x = 1280 = > x = 640 required s . p . = 150 % of rs . 640 = 150 / 100 * 640 = rs . 960 . answer : b" |
medmcqa | medmcqa_05_00732 | Enzyme deficiency in Galactosemia: | [
"Galactose 1 phosphate uridyl transferase",
"Aldolase B",
"UDP galactose 4 epimerase",
"Fructokinase"
] | A | Ans. A. Galactose 1 Phosphate uridyl transferase(Ref: Harper 31/e page 191)Classic galactosemia due to Galactose 1 Phosphate uridyl transferase is most common cause of galactosemia enzyme deficiencyGalactose 1 Phosphate uridyl transferase (Classic Galactosemia)GalactokinaseUDP Hexose 4 Epimerase |
openbookqa | obqa_02_03363 | If a tree is growing in an area that is most ideal to it, the dirt will be | [
"firm",
"loose",
"packed tight",
"airless"
] | B | the looseness of soil has a positive impact on a plant 's roots' growth in that soil |
sciq | sciq_01_04482 | The entry of food into the esophagus marks the beginning of the esophageal phase of deglutition and the initiation of this? | [
"peristalsis",
"propagation",
"relaxation",
"digestion"
] | A | The Esophageal Phase The entry of food into the esophagus marks the beginning of the esophageal phase of deglutition and the initiation of peristalsis. As in the previous phase, the complex neuromuscular actions are controlled by the medulla oblongata. Peristalsis propels the bolus through the esophagus and toward the ... |
sciq | sciq_01_10966 | Bacteria can be used to make cheese from milk. the bacteria turn the milk sugars into what? | [
"ionic acid",
"lactic acid",
"acetic acid",
"hydrochloric acid"
] | B | Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. The acid is what causes the milk to curdle to form cheese. Bacteria are also involved in producing other foods. Yogurt is made by using bacteria to ferment milk ( Figure below ). Fermenting cabbage with bacteria produces ... |
ARC-Easy | arc_04_01420 | What do all animals need in order to survive? | [
"rocks, water, and soil",
"water, air, and food",
"air, rocks, and sunlight",
"food, soil, and sunlight"
] | B | null |
sciq | sciq_01_05297 | The force applied to an object is called? | [
"gravity",
"strain",
"stress",
"torque"
] | C | Stress is the force applied to an object. Stresses can be confining, compression, tension, or shear. |
math_qa | mathqa_03_01973 | if money is invested at r percent interest , compounded annually , the amount of investment will double in approximately 70 / r years . if pat ' s parents invested $ 5000 in a long term bond that pays 4 percent interest , compounded annually , what will be the approximate total amount of investment 36 years later , whe... | [
"$ 20000",
"$ 15000",
"$ 12000",
"$ 10000"
] | A | "since investment doubles in 70 / r years then for r = 4 it ' ll double in 70 / 4 = ~ 18 years ( we are not asked about the exact amount so such an approximation will do ) . thus in 36 years investment will double twice and become ( $ 5,000 * 2 ) * 2 = $ 20,000 ( after 18 years investment will become $ 5,000 * 2 = $ 10... |
medmcqa | medmcqa_05_00192 | Which among the following can be continued on the day of surgery | [
"Heparin",
"Statins",
"Warfarin",
"Amitryptiline"
] | B | Statins can be continued on the day of surgery. |
sciq | sciq_01_09101 | How can natural resources be classified from a human point of view? | [
"renewable or nonrenewable",
"recyclable or reusable",
"renewable or reversible",
"present or nonrenewable"
] | A | From a human point of view, natural resources can be classified as either renewable or nonrenewable. |
ARC-Easy | arc_04_00670 | How has the invention of the personal computer helped people the most? | [
"by replacing paper",
"by reducing pollution",
"by improving transportation",
"by increasing communication"
] | D | null |
openbookqa | obqa_02_04316 | A scar will develop from a | [
"tap",
"slash",
"run",
"walk"
] | B | a scar is an acquired characteristic |
sciq | sciq_01_02445 | What kind of reaction is a reaction in which two or more substances combine to form a single new substance? | [
"power reaction",
"combination reaction",
"compounding reaction",
"chemical reaction"
] | B | A combination reaction is a reaction in which two or more substances combine to form a single new substance. Combination reactions can also be called synthesis reactions. The general form of a combination reaction is:. |
openbookqa | obqa_02_03498 | Down feathers are a thermal energy what? | [
"cold",
"freezers",
"igniters",
"protectors"
] | D | down feathers are a thermal energy insulator |
ARC-Challenge | arc_04_03195 | Two students are studying what makes ice melt fastest. They want to conduct an investigation. During which of these steps in their investigation will they measure the ice? | [
"showing some graphs",
"making a conclusion",
"developing a hypothesis",
"collecting some data"
] | D | null |
ARC-Easy | arc_04_00127 | What causes a blue block to appear blue in the sunlight? | [
"The block absorbs all blue light.",
"The block bends (refracts) all blue light.",
"Only blue light is reflected by the block.",
"Only blue light passes through the block."
] | C | null |
medmcqa | medmcqa_05_02816 | Autoinduction of biotransformation and action as a hormone is seen in: | [
"Carbaniazepine",
"Cimetidine",
"Corticosteroid",
"Thyroxine"
] | D | Ans: D (Thyroxine) Ref: Basic and Clinical Pharmacology by Katzung, 2012. 12th ed. Pg 684-685Explanation:In hyperthyroidism, the half lives of T3 and T4 are decreased owing to their enhanced metabolic clearance.Similarly in hypothyroidism, the half lives of T3 and T4 are increased due to reduced metabolic clearance. Th... |
sciq | sciq_01_10673 | What are fresh water biomes defined by? | [
"high salt content",
"low salt concentration",
"animal species",
"moving water"
] | B | Freshwater biomes are defined by their low salt concentration, usually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of high salt concentration, such as the ocean. There are different types of freshwater biomes: ponds and lakes ( Fi... |
sciq | sciq_01_08513 | The frequency of a wave is the reciprocal of what other attribute of the wave? | [
"length",
"term",
"amplitude",
"period"
] | D | The period of a wave and its frequency are reciprocals of each other. |
sciq | sciq_01_09212 | During the typical human female ovulation cycles, how many eggs are released? | [
"three",
"two",
"four",
"one"
] | D | The Zygote Recall that at the point of fertilization, the oocyte has not yet completed meiosis; all secondary oocytes remain arrested in metaphase of meiosis II until fertilization. Only upon fertilization does the oocyte complete meiosis. The unneeded complement of genetic material that results is stored in a second p... |
math_qa | mathqa_03_03025 | canister c is 1 / 2 full of water and canister d , which has twice the capacity of canister c , is 1 / 3 full of water . if the water in canister d is poured in canister c until canister c is completely full of water , canister d will still contain what fraction of its capacity of water ? | [
"0",
"1 / 36",
"1 / 12",
"1 / 6"
] | C | say canister c has a capacity of 6 liters . it ' s half full , thus there can be poured 3 liters of water . canister b is 12 liters and there are 4 liters of water . we can pour 3 liters from d to c and 1 liter will still be left in d , which is 1 / 12 of its total capacity . answer : c . |
sciq | sciq_01_01852 | What forms when water vapor condenses around particles in the air? | [
"humididty",
"clouds",
"wind",
"storms"
] | B | Clouds form when water vapor condenses around particles in the air. The particles are specks of matter, such as dust or smoke. Billions of these tiny water droplets come together to make up a cloud. If the air is very cold, ice crystals form instead of liquid water. |
ARC-Easy | arc_04_01469 | The atmosphere of Mars is almost entirely composed of a greenhouse gas. Compared with Earth, which factor accounts for the low, nighttime surface temperatures on Mars? | [
"Mars is much farther from the Sun than Earth.",
"The atmosphere on Mars has an extremely low density.",
"The atmosphere on Mars lacks global circulation.",
"Mars has more glacial activity than Earth."
] | B | null |
math_qa | mathqa_03_02728 | pipe a that can fill a tank in an hour and pipe b that can fill the tank in half an hour are opened simultaneously when the tank is empty . pipe b is shut 10 minutes before the tank overflows . when will the tank overflow ? | [
"37 mins",
"35 mins",
"40 mins",
"32 mins"
] | A | the last 10 minutes only pipe a was open . since it needs 1 hour to fill the tank , then in 10 minutes it fills 1 / 5 th of the tank , thus 5 / 6 of the tank is filled with both pipes open . the combined rate of two pipes is 1 + 2 = 3 tanks / hour , therefore to fill 5 / 6 th of the tank they need ( time ) = ( work ) /... |
sciq | sciq_01_09880 | The second step in eukaryotic cell division is division of which part of the cell? | [
"molecules",
"protons",
"Cell Division",
"nucleus"
] | D | 2. The second step in eukaryotic cell division is division of the cell’s nucleus. This includes division of the chromosomes. This step is called mitosis. It is a complex process that occurs in four phases. The phases of mitosis are described below. |
openbookqa | obqa_02_01189 | What are sources of shelter for small animals? | [
"andesite",
"wind",
"sun",
"air"
] | A | rocks are a source of shelter for small animals in an environment |
ARC-Easy | arc_04_01053 | Alicia gives her brother a push while he is seated on a swing. She finds that after a few seconds, she needs to push again to keep him going. The reason her brother slows down is because the mechanical energy is converted into | [
"potential energy that heats the air.",
"chemical energy that moves the swing.",
"kinetic energy which makes the swing slow down.",
"thermal energy that is released into the atmosphere."
] | D | null |
math_qa | mathqa_03_02550 | in a lake , there is a patch of lily pads . every day , the patch doubles in size . it takes 39 days for the patch to cover the entire lake , how many days would it take the patch to cover half of the lake ? | [
"36",
"2 ^ 4 * 3",
"24",
"38"
] | D | "working backward from the day it ' s covered : day 39 : fully covered day 38 : half covered so 38 days answer : d" |
medmcqa | medmcqa_05_03851 | Not a B cell marker | [
"CD19",
"CD20",
"CD34",
"CD10"
] | C | . |
ARC-Challenge | arc_04_02479 | Gavin has two rocks. Both rocks are made up entirely of the same mineral. What other property of his two rocks is most likely to be the same? | [
"size",
"shape",
"color",
"weight"
] | C | null |
openbookqa | obqa_02_03533 | something will attract magnets if that something contains a large amount of what kind of material? | [
"strong",
"water",
"liquid",
"rare-earth minerals"
] | D | if something contains a large amount of magnetic material then that something will attract magnets |
sciq | sciq_01_00583 | How many years ago may the earliest fungi have evolved? | [
".350 million",
"600 million",
".250 million",
"500 million"
] | B | The earliest fungi may have evolved about 600 million years ago. |
math_qa | mathqa_03_03466 | beginning in town a , biker bob rides his bike 8 miles west , 5 miles north , 4 miles east , and then 15 miles north , to town b . how far apart are town a and town b ? ( ignore the curvature of the earth . ) | [
"25 miles",
"20.4 miles",
"30 miles",
"32 miles"
] | B | "using pythagoras we have one side i , e total distance traveled in north direction = 15 + 5 = 20 m other being the base ie distance traveled west - distance traveled eat = 8 - 4 = 4 m now this third side or the distance between town a and town b = 20 ^ 2 + 4 ^ 2 = sq root 416 = 20.4 miles answer : b" |
openbookqa | obqa_02_01138 | A plant performs less photosynthesis in | [
"September",
"March",
"December",
"June"
] | C | a leaf absorbs sunlight to perform photosynthesis |
sciq | sciq_01_10987 | Amphibians are ectothermic vertebrates that divide their time between freshwater and what else? | [
"arboreal habitats",
"deserts",
"terrestrial habitats",
"saltwater"
] | C | Amphibians are ectothermic vertebrates that divide their time between freshwater and terrestrial habitats. They are the first true tetrapods, or vertebrates with four limbs. Amphibians breathe with gills as larvae and with lungs as adults. They have a three-chambered heart and relatively complex nervous system. |
sciq | sciq_01_02639 | What do you call any device that makes work easier by changing a force? | [
"technology",
"invention",
"battery",
"machine"
] | D | A machine is any device that makes work easier by changing a force. Work is done whenever a force moves an object over a distance. The amount of work done is represented by the equation:. |
sciq | sciq_01_01730 | What causes continents to drift closer to the poles or the equator? | [
"plate movements",
"plate tectonics",
"time",
"earthquakes"
] | A | Plate movements cause continents to drift closer to the poles or the equator. Ocean currents also shift when continents drift. All these changes can affect Earth’s temperature. |
sciq | sciq_01_06807 | What do loess deposits form? | [
"vertical cliffs",
"diagonal cliffs",
"rotational cliffs",
"horizontal cliffs"
] | A | When the wind drops fine particles of silt and clay, it forms deposits called loess ( Figure below ). Loess deposits form vertical cliffs. Loess can become a thick, rich soil. That’s why loess deposits are used for farming in many parts of the world. |
openbookqa | obqa_02_03592 | plant life vessels can be harvested in the ground which will change the | [
"moonlight",
"surrounding areas habitat",
"starlight",
"sunlight"
] | B | farming changes the environment |
sciq | sciq_01_00681 | What regulates homeostasis and basic survival behaviors? | [
"hippocampus",
"hypothalamus",
"mitosis",
"cell membrane"
] | B | |
sciq | sciq_01_11296 | The radius of an atom is defined as one-half the distance between the nuclei in a molecule consisting of two identical atoms joined by what? | [
"hydrogen bond",
"metallic bond",
"ionic bond",
"covalent bond"
] | D | Figure 6.31 (a) The radius of an atom is defined as one-half the distance between the nuclei in a molecule consisting of two identical atoms joined by a covalent bond. The atomic radius for the halogens increases down the group as n increases. (b) Covalent radii of the elements are shown to scale. The general trend is ... |
sciq | sciq_01_01305 | What is the diffusion of water through a semipermeable membrane according to the concentration gradient of water across the membrane | [
"Gravity",
"osmosis",
"nutrients",
"mirrors"
] | B | Osmosis Osmosis is the diffusion of water through a semipermeable membrane according to the concentration gradient of water across the membrane. Whereas diffusion transports material across membranes and within cells, osmosis transports only water across a membrane and the membrane limits the diffusion of solutes in th... |
openbookqa | obqa_02_01049 | Which is a source of raw materials? | [
"a power plant",
"a factory",
"a shopping mall",
"an oil field"
] | D | if something is a raw material then that something comes directly from a source |
sciq | sciq_01_09001 | Although vitamins and minerals do not provide what, they are still essential for good health? | [
"antioxidants",
"flavor",
"enzymes",
"energy"
] | D | Vitamins and minerals do not provide energy, but they are still essential for good health. The needed amounts generally can be met with balanced eating. However, people who do not eat enough of the right foods may need vitamin or mineral supplements. |
medmcqa | medmcqa_05_00478 | A 50 yr old male with history of chronic smoking and alcohol intake presents with a lesion (shown in pic) in the oral cavity. What is the most probable diagnosis? | [
"Ranula",
"Erythroplakia",
"Carcinoma tongue",
"Cancrum oris"
] | C | Exophytic SCC right lateral margin of tongue. Most common site of Oral cavity malignancy. |
ARC-Easy | arc_04_00395 | A student conducts an investigation. In order to make a valid conclusion, she must | [
"have a testable hypothesis.",
"place the data in a graph.",
"use the best technology.",
"test multiple variables."
] | A | null |
medmcqa | medmcqa_05_02346 | Gamma knife is used in? | [
"Radiotherapy",
"Chemotherapy",
"Nuclear medicine",
"Radioisotope scan"
] | A | ANSWER: (A) RadiotherapyREF: Practical Radiotherapy physics and equipment Pam Cherry Angela M. Duxbury 2nd Edition page 132, http://en.wikipedia.org/wiki/RadiosurgeryRadiosurgery is a medical procedure that allows non-invasive treatment of benign and malignant tumors. It is also known as stereotactic radiotherapy, (SRT... |
sciq | sciq_01_03656 | What are colonies of cells stuck to a surface called? | [
"membranes",
"cellular coating",
"membranes",
"biofilms"
] | D | Prokaryotic cells are extremely small and have a variety of shapes. Most have flagella and a cell wall. They have several other cell structures as well. Their DNA exists as large and small loops. Some prokaryotes form biofilms, which are colonies of cells stuck to a surface. |
medmcqa | medmcqa_05_01171 | A female with symptoms mimicking heart disease with normal ECG & X-ray, the diagnosis is - | [
"Angina pectoris",
"Panic attack",
"ANS instability",
"Vasovagal attack"
] | B | Ans. is 'b' i.e., Panic attack o Panic attack may present like angina / MI e.g. palpitation, sweating, dysnea, chest discomfort or pain.Panic disordero Panic disorder is characterized by intermittent sever anxiety (Panic) unrelated to any particular situation or object. A panic attack has following characteristics:-i) ... |
math_qa | mathqa_03_00591 | a , b , and c are integers and a < b < c . s is the set of all integers from a to b , inclusive . q is the set of all integers from b to c , inclusive . the median of set s is ( 3 / 4 ) * b . the median of set q is ( 5 / 8 ) * c . if r is the set of all integers from a to c , inclusive , what fraction of c is the media... | [
"3 / 8",
"1 / 2",
"9 / 16",
"5 / 7"
] | C | the answer isc : 11 / 16 . the key to this problem is remembering that the median for a consecutive set of numbers is equivalent to its mean . for example , the mean and median of a set consisting of x , x + 1 , x + 2 , . . . , y will always be ( x + y ) / 2 . for set s , consisting of numbers ( a , a + 1 , . . . , b )... |
sciq | sciq_01_07379 | The cells within meristems divide relatively frequently, generating additional what? | [
"cells",
"chlorophyll",
"photosynthesis",
"proteins"
] | A | |
openbookqa | obqa_02_00581 | The family cooked most of their food using a stove and | [
"electricity",
"luck",
"ice",
"magic"
] | A | electrical devices convert electricity into other forms of energy |
openbookqa | obqa_02_04673 | a flood is occurring there was most likely | [
"light hail",
"clear skies",
"some leaves",
"great drops repeating"
] | D | when a river floods , that river deposits sediment in flood plains |
openbookqa | obqa_02_03546 | Rain also occurs in other places like | [
"My emotions",
"My mind",
"planetoids",
"In a bath"
] | C | as the amount of rain increases in an environment , available sunlight will decrease in that environment |
openbookqa | obqa_02_01756 | Once we use all the aluminum in the world we can get more by | [
"Impossible",
"Watering the grass",
"building a dam",
"Planting soda cans"
] | A | aluminum is a nonrenewable resource |
sciq | sciq_01_04919 | The unpaired ethmoid bone is located where within the central skull? | [
"at the midline",
"at the point",
"at the top",
"at the fold"
] | A | Figure 7.12 Ethmoid Bone The unpaired ethmoid bone is located at the midline within the central skull. It has an upward projection, the crista galli, and a downward projection, the perpendicular plate, which forms the upper nasal septum. The cribriform plates form both the roof of the nasal cavity and a portion of the ... |
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