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_01661 | What do some plants produce that protects dormant seeds and aids in their dispersal? | [
"leaves",
"roots",
"fruit",
"stems"
] | C | |
sciq | sciq_01_10417 | What do we call animals that have a backbone and belong to the phylum chordata? | [
"organelles",
"mammals",
"vertebrates",
"invertebrates"
] | C | Vertebrates are animals that have a backbone. All of them are placed in the Phylum Chordata. Modern vertebrates include fish, amphibians, reptiles, birds, and mammals. Only about 5 percent of animal species are vertebrates. |
ARC-Challenge | arc_04_02652 | A student is measuring the boiling point of a salt and water mixture. He takes one temperature measurement of 105°C. Which is the best way to ensure the results are valid? | [
"repeat the investigation",
"change the volume of water",
"add more salt to the mixture",
"do the investigation without salt"
] | A | null |
sciq | sciq_01_04630 | What type of vents are giant tube worms found at? | [
"hydrothermal",
"Heated",
"temperature",
"oxygen"
] | A | Giant tube worms are found at hydrothermal vents. They get food from the chemosynthetic bacteria that live within them. The bacteria provide food; the worms provide shelter. |
math_qa | mathqa_03_01913 | [ ( 3.242 x 14 ) / 100 ] = ? | [
"0.045388",
"4.5388",
"453.88",
"473.88"
] | A | "answer multiplying 3.242 x 14 = 4.5388 now divide 4.5388 by 100 so , 4.5388 ÷ 100 = 0.045388 ∴ shift the decimal two places to the left as 100 correct option : a" |
sciq | sciq_01_07754 | What system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormone? | [
"circulatory system",
"immune system",
"digestion",
"reproductive"
] | D | The reproductive system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormones. A gamete is a haploid cell that combines with another haploid gamete during fertilization. Sex hormones are chemical messengers that control sexual development and reproduction... |
sciq | sciq_01_02420 | What are large glaciers that cover a larger area than just a valley? | [
"ice caps",
"icebergs",
"glacial continents",
"ice floes"
] | A | Ice caps are large glaciers that cover a larger area than just a valley. An ice cap can bury an entire mountain range or region ( Figure below ). Glaciers come off of ice caps into valleys. |
ARC-Easy | arc_04_01926 | Which of the following properties of a substance is conserved during thermal expansion? | [
"mass",
"volume",
"shape",
"distance between particles"
] | A | null |
medmcqa | medmcqa_05_02575 | Which of the follow ing is not a chest radiographic feature of left atrial enlargement? | [
"Double left heart border",
"Elevated left main bronchous",
"Splaying of carina",
"Enlargement of left atrila appendage"
] | A | Ans. is 'a' i.e., Double left heart border Ref: Sutton 7th/ep. 280; 350]Sings of left atrial enlargementStraightening of left heart border (due to enlargement of left atrial appendage).Elevation of left main bronchus with widening (Splaying) of carina.Double density (atrial) sign.Posterior displacement of esophagus on ... |
math_qa | mathqa_03_00417 | a man sitting in a train which is traveling at 30 kmph observes that a goods train , traveling in opposite direction , takes 9 seconds to pass him . if the goods train is 280 m long , find its speed . ? | [
"50 kmph",
"82 kmph",
"62 kmph",
"65 kmph"
] | B | "relative speed = 280 / 9 m / sec = ( ( 280 / 9 ) * ( 18 / 5 ) ) kmph = 112 kmph . speed of goods train = ( 112 - 30 ) kmph = 82 kmph . answer : b ." |
ARC-Easy | arc_04_00955 | An apple appears red when struck by white light. This appearance is because the red light is reflected and the other colors are absorbed. What color will this apple appear to be when struck by blue light? | [
"black",
"blue",
"red",
"white"
] | A | null |
sciq | sciq_01_04831 | Mutation creates new genetic variation in what? | [
"mutation pool",
"gene pool",
"disease pool",
"form pool"
] | B | Mutation creates new genetic variation in a gene pool. |
openbookqa | obqa_02_03608 | Many species have small amounts of magnetite to guide during their | [
"hibernation",
"migration",
"metamorphosis",
"spawning"
] | B | Earth 's magnetic patterns are used for finding locations by animals that migrate |
medmcqa | medmcqa_05_01230 | Which of the following drugs acts on trabecular mesh work and affects the aqueous outflow? | [
"Timolol",
"Pilocarpine",
"Brimonidine",
"Brirzolamide"
] | B | mode of action of ocular hypotensive drugs Pilocarpine is the only drug acting mainly on the trabecular meshwork pilocarpine- cholinomimetic ESSENTIALS OF MEDICAL PHARMACOLOGY;7TH EDITION; KD TRIPATHI;PAGE NO 154 |
ARC-Easy | arc_04_01917 | Changes in the weather are important to people living in Alaska. Which two tools best help scientists to share information about weather? | [
"radio and computer",
"clock and notebook",
"television and hand lens",
"microscope and telephone"
] | A | null |
openbookqa | obqa_02_00651 | which one of these would be most nourished? | [
"a person who eats once daily",
"a person fasting all day",
"a person who only drinks water",
"a person who feeds thrice daily"
] | D | an animal needs to eat food for nutrients |
medmcqa | medmcqa_05_01364 | Which bacteria has peritrichous flagella | [
"V. Cholerae",
"Pseudomonas",
"Alcaligenes faecalis",
"Listeria"
] | D | Peritrichous - Flagella all over
Ex:-
E.Coli
Proteus
Listeria. |
medmcqa | medmcqa_05_03307 | Which of the following is an indicator for sterilization by autoclave method | [
"B subtilis",
"B stereothermophilus",
"S aureus",
"Clostridium tetani"
] | B | Bacillus stearothermophillus is used as the test organism. This is a thermophillus organism with an optimum growth temperature of 55-60degc and its spores require exposure of 12 min at 121degc to be killed Paper strips impregnated with (10)6 spores are dried at room temperature and placed in different They are then ino... |
sciq | sciq_01_04263 | Where does all igneous rock come from? | [
"the moon",
"oceans",
"magma or lava",
"stratosphere"
] | C | Great volcanic explosions and glowing red rivers of lava are fascinating. All igneous rock comes from magma or lava. Remember that magma is molten rock that is below Earth's surface. Lava is molten rock at Earth's surface. |
openbookqa | obqa_02_03466 | What has a negative impact on photosynthesis? | [
"light",
"sun",
"gloom",
"sun rays"
] | C | darkness has a negative impact on photosynthesis |
openbookqa | obqa_02_04502 | At a specific point in a frigid month, the waking hours illumination will be | [
"ending sooner",
"overwhelming hot",
"lasting the longest",
"growing new plants"
] | A | the amount of daylight is least on the winter solstice |
math_qa | mathqa_03_02896 | a can do a job in 30 days and b can do it in 30 days . a and b working together will finish twice the amount of work in - - - - - - - days ? | [
"14 days",
"26 days",
"30 days",
"31 days"
] | C | "c 1 / 30 + 1 / 30 = 1 / 15 15 * 2 = 30 days" |
sciq | sciq_01_02361 | Reactive elements are able to combine more what with other elements? | [
"symmetrically",
"easily",
"quickly",
"slowly"
] | B | Reactive elements combine easily with other elements. This explains why they usually exist in nature in compounds rather than in pure form. |
sciq | sciq_01_02344 | Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population? | [
"sex-linked disorders",
"genetic disorders",
"cancers",
"mutations"
] | B | Few genetic disorders are controlled by dominant alleles. A mutant dominant allele is expressed in every individual who inherits even one copy of it. If it causes a serious disorder, affected people may die young and fail to reproduce. Therefore, the mutant dominant allele is likely to die out of the population. |
math_qa | mathqa_03_01274 | a and b ’ s salaries together amount to rs . 2,000 . a spends 95 % of his salary and b spends 85 % of his . if now their savings are the same , what is a ’ s salary ? | [
"rs . 500",
"rs . 750",
"rs . 1250",
"rs . 1500"
] | D | "explanation : ( 5 / 100 ) a = ( 15 / 100 ) b a = 3 b a + b = 2000 4 b = 2000 = > b = 500 a = 1500 answer is d" |
openbookqa | obqa_02_01099 | Paleontologists study | [
"Stars",
"Grass",
"Old Animal Feces",
"Cats"
] | C | An example of a fossil is a paw print in rock |
openbookqa | obqa_02_00305 | A balloon is filled with Helium, and then is opened and pressed up to someone's mouth to make a voice high, why does it do this? | [
"gas fills the new area",
"gas easily is dispersed",
"gas moves around freely",
"gas is lighter than air"
] | A | when a gas in an open container evaporates, that gas spreads out into the air |
math_qa | mathqa_03_03657 | what is the cp of rs 100 stock at 4 discount , with 1 / 5 % brokerage ? | [
"96.9",
"96.3",
"96.2",
"96.7"
] | C | explanation : use the formula , cp = 100 – discount + brokerage % cp = 100 - 4 + 1 / 5 96.2 thus the cp is rs 96.2 . answer : c |
openbookqa | obqa_02_03200 | An electrical conductor is a vehicle for what? | [
"people",
"water",
"sunlight",
"zapping energy"
] | D | An electrical conductor is a vehicle for the flow of electricity |
medmcqa | medmcqa_05_04443 | Weight of an infant doubles by what age? | [
"6 months",
"1 year",
"2 years",
"3 years"
] | A | Ans. is 'a' i.e., 6 months *Weight of an infant doubles by 5 months and quadruples by 2 years of age.AgeWeightBirth3kg5 months6kg (2 x birth weight)1 years9kg (3 x birth weight)2 years12kg (4 x birth weight)3 years15kg (5 x birth weight)5 years18kg (6 x birth weight)7 years21kg (7 x birth weight)10 years30kg (10 x birt... |
openbookqa | obqa_02_00899 | what makes food cooking possible? | [
"a temperature rise on it",
"the washing of it",
"the taste of it",
"none of these"
] | A | cooking food requires adding heat energy |
math_qa | mathqa_03_02413 | sandy buys an old scooter for $ 800 and spends $ 200 on its repairs . if sandy sells the scooter for $ 1200 , what is the gain percent ? | [
"15 %",
"18 %",
"20 %",
"22 %"
] | C | selling price / total cost = 1200 / 1000 = 1.2 the gain percent is 20 % . the answer is c . |
openbookqa | obqa_02_02596 | A car hitting a rolling boulder can cause the car to | [
"increase in value",
"wet itself",
"play the radio",
"decrease momentum"
] | D | a force acting on an object in the opposite direction that the object is moving can cause that object 's speed to decrease in a forward motion |
math_qa | mathqa_03_02575 | a man buy a book in rs 50 & sale it rs 50 . what is the rate of profit ? ? ? | [
"10 %",
"0 %",
"30 %",
"25 %"
] | B | "cp = 50 sp = 50 profit = 50 - 50 = 0 % = 0 / 50 * 100 = 0 % answer : b" |
openbookqa | obqa_02_03567 | Which of the following provides the best reason for squirrels vacating their forest? | [
"The forest is overrun with chipmunks",
"The forest is being harvested for lumber",
"Many acorns can be found on the forest floor",
"They want to start a new life"
] | B | if a habitat is removed then that habitat is destroyed |
math_qa | mathqa_03_02008 | a and b can do a work in 8 days , b and c can do the same work in 12 days . a , b and c together can finish it in 6 days . a and c together will do it in ? | [
"8",
"4",
"6",
"12"
] | A | ( a + b + c ) ' s 1 day work = 1 / 6 ; ( a + b ) ' s 1 day work = 1 / 8 ( b + c ) ' s 1 day work = 1 / 12 ( a + c ) ' s 1 day work = ( 2 * 1 / 6 ) - ( 1 / 8 + 1 / 12 ) = ( 1 / 3 - 5 / 24 ) = 1 / 8 so , a and c together will do the work in 8 days . answer a |
math_qa | mathqa_03_02775 | an empty tank be filled with an inlet pipe ‘ a ’ in 42 minutes . after 12 minutes an outlet pipe ‘ b ’ is opened which can empty the tank in 30 minutes . after 6 minutes another inlet pipe ‘ c ’ opened into the same tank , which can fill the tank in 35 minutes and the tank is filled . find the time taken to fill the ta... | [
"51.6",
"51.5",
"51.7",
"51.1"
] | B | assume total tank capacity = 210 liters now capacity of pipe a = 210 / 42 = 5 liters capacity of b = 210 / 30 = - 7 liters capacity of c = 210 / 35 = 6 min assume tank gets filled in x min after the third pipe got opened . so x × 5 + 6 × ( − 2 ) + 4 x = 210 x × 5 + 6 × ( − 2 ) + 4 x = 210 ⇒ 48 + 4 x = 210 ⇒ 4 x = 162 ⇒... |
medmcqa | medmcqa_05_00261 | Warfarin embryopathy is due to action of: | [
"Osteophysin",
"Osteotensin",
"Osteocalcin",
"Osteogenin"
] | C | Ans: (c) OsteocalcinRef: style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif; margin: 0 0 0 4px">Warfarin embryopathyThe process of osteocalcin carboxylation in human bone formation is a vitamin K-dependent process and that circulating osteocalcin will be altered structurally by warfarin ad... |
sciq | sciq_01_01058 | What type of change has occurred when a copper penny changes color? | [
"chemical change",
"reactive change",
"contamination change",
"carbon change"
] | A | Some of these pennies are shiny and copper colored. That’s how pennies look when they are new. The older pennies are dull and brown. Copper at the surface of these pennies has combined with air to become a different substance with different properties. The change in color shows that a chemical change has occurred. |
openbookqa | obqa_02_02974 | When the amount of food goes down, the amount of conflict between the organisms searching for it will | [
"nothing.",
"remain the same",
"go down",
"go up"
] | D | as the population of prey decreases , competition between predators will increase |
math_qa | mathqa_03_00829 | if 6 a = 7 b = 20 , then 84 ab = | [
"50",
"100",
"625",
"800"
] | D | "6 a * 7 b = 20 * 20 = 400 42 ab = 400 i . e . 84 ab = 800 answer : option d" |
sciq | sciq_01_01815 | What type of ionic compound is formed from acid and bases reacting with each other? | [
"isolated",
"common",
"dry",
"salt"
] | D | Acids have some properties in common. They turn litmus, a plant extract, red. They react with some metals to give off H2 gas. They react with carbonate and hydrogen carbonate salts to give off CO2 gas. Acids that are ingested typically have a sour, sharp taste. (The name acid comes from the Latin word acidus, meaning “... |
medmcqa | medmcqa_05_04337 | Drug of choice for bacterial vaginosis: March 2011 | [
"Ciprofloxacin",
"Doxycycline",
"Teracycline",
"Metronidazole"
] | D | Ans. D: Metronidazole The 7-day course of metronidazole 500 mg twice daily is effective in 85% of courses of bacterial/ gardnerella vaginosis, whereas a single dose of 2 gm cures only 45%. |
ARC-Easy | arc_04_00800 | Salt and pepper are placed together in a container. When the container is shaken, the salt and pepper become a | [
"liquid.",
"mixture.",
"solution.",
"suspension."
] | B | null |
math_qa | mathqa_03_01044 | 4 mat - weavers can weave 4 mats in 4 days . at the same rate , how many mats would be woven by 6 mat - weavers in 6 days ? | [
"25",
"9",
"39",
"61"
] | B | "let the required number of bottles be x . more weavers , more mats ( direct proportion ) more days , more mats ( direct proportion ) wavers 4 : 6 : : 4 : x days 4 : 6 4 * 4 * x = 6 * 6 * 4 x = ( 6 * 6 * 4 ) / ( 4 x 4 ) x = 9 . answer is b ." |
sciq | sciq_01_09231 | The epochs of the universe are known back to very shortly after what 'explosive' event? | [
"major bang",
"Explosive bang",
"Biggest bang",
"big bang"
] | D | H0 = 20km/s ⋅ Mly. • Explanations of the large-scale characteristics of the universe are intimately tied to particle physics. • The dominance of matter over antimatter and the smoothness of the CMBR are two characteristics that are tied to particle physics. • The epochs of the universe are known back to very shortly af... |
sciq | sciq_01_06576 | Embryos usually don't survive if they have extra or too few of these genetic units? | [
"chromosomes",
"genes",
"phenotypes",
"ribosomes"
] | A | Outside of chromosome 21 and the sex chromosomes, most embryos with extra chromosomes do not usually survive. Because chromosomes carry many, many genes, a disruption of a chromosome can cause severe problems with the development of a fetus. Individuals with one (or more) fewer chromosome usually don't survive either. ... |
sciq | sciq_01_05623 | X and y are the labels of what specialized human chromosomes? | [
"protein chromosomes",
"carb chromosomes",
"exotic chromosomes",
"sex chromosomes"
] | D | The 24 human chromosomes. The autosomes are numbered 1 - 22, based on size, with chromosome 1 being the largest. The X and Y sex chromosomes are shown in the box. |
sciq | sciq_01_04924 | Ocean water releases dissolved carbon dioxide into the atmosphere when what happens to the temperature? | [
"it rises",
"Drops",
"Later",
"Goes Down"
] | A | Ocean water releases dissolved carbon dioxide into the atmosphere when water temperature rises. |
sciq | sciq_01_10861 | What is the first and longest phase of mitosis known as? | [
"metaphase",
"prophase",
"anaphase",
"telophase"
] | B | Prophase is the first and longest phase of mitosis, see Figure below . During prophase, the chromatin (DNA) coils up into visible chromosomes, each made up of two sister chromatids held together by the centromere. Also during this phase, the nucleolus disappears, and the spindle begins to form from the centrioles. Most... |
openbookqa | obqa_02_01770 | Adults that go through incomplete metamorphosis may have | [
"love",
"feelings",
"horns",
"attached flying contraptions"
] | D | incomplete metamorphosis is when an insect reaches the adult stage without being a pupa |
openbookqa | obqa_02_02335 | A hurricane over and near water will be strong, and as it travels further from the sea it | [
"explodes",
"expands",
"dies down",
"grows"
] | C | when a hurricane moves over land , that hurricane will decrease in strength |
sciq | sciq_01_02499 | What occurs as a result of the discharge of static electricity? | [
"clouds",
"drought",
"lightning",
"thunder"
] | C | Zachary Wilson. Lightning is the result of the discharge of static electricity . CC BY-NC 3.0. |
medmcqa | medmcqa_05_04815 | External hemorrhoids below the dentate line are: | [
"Painful",
"Ligation is done as management",
"Skin tag is not seen in these cases",
"May turn malignant"
] | A | Ans. a. Painful (Ref: Sabiston 19/e p1387-1391; Schwartz 9/e p1057-1059; Bailey 26/e p1250-1257, 25/e p1253-1259; Schackelford 7/e p1896-1906)External hemorrhoids are located below dentate line and are painful.External Hemorrhoids:Located distal to dentate lineQAlso known as 5-days painful self curing lesionPainful, no... |
math_qa | mathqa_03_00276 | a grocer has a sale of rs . 6435 , rs . 6927 , rs . 6855 , rs . 7230 and rs . 6562 for 5 consecutive months . how much sale must he have in the sixth month so that he gets an average sale of rs . 6700 ? | [
"s . 4991",
"s . 5991",
"s . 6001",
"s . 6191"
] | D | "total fr 5 mnths = ( 6435 + 6927 + 6855 + 7230 + 6562 ) = rs 34009 . reqd . sale = rs . [ ( 6700 * 6 ) - 34009 ] = rs . ( 40200 - 34009 ) = rs . 6191 . answer : d" |
openbookqa | obqa_02_02957 | Before their trip to the Amazon Bill and Jane had sharp metal objects stuck into their arms by a doctor. | [
"they were getting ice water injected so they would stay cool in the Amazon",
"they wanted to avoid contracting something",
"aliens performed experiments on them",
"they wanted to catch the flu"
] | B | vaccines can help prevent illness |
sciq | sciq_01_08944 | What's the term for a relationship between two organisms where at least one benefits? | [
"symbiosis",
"meiosis",
"morphogenesis",
"dermatitis"
] | A | Symbiosis is a close relationship between organisms of different species in which at least one of the organisms benefits. The other organism may also benefit, or it may be unaffected or harmed by the relationship. Figure below shows an example of symbiosis. The birds in the picture are able to pick out food from the fu... |
math_qa | mathqa_03_04839 | if the cost price is 25 % of selling price . then what is the profit percent . | [
"150 %",
"200 %",
"300 %",
"350 %"
] | C | "explanation : let the s . p = 100 then c . p . = 25 profit = 75 profit % = ( 75 / 25 ) * 100 = 300 % . answer : c" |
openbookqa | obqa_02_04624 | This likely relies on a circuit being closed | [
"your iPhone charger",
"your hair brush",
"your hat",
"your shoes"
] | A | when a switch in a simple series circuit is closed , electricity will flow through the circuit |
math_qa | mathqa_03_00967 | how many positive integers less than 248 are multiple of 4 but not multiples of 6 ? | [
"20",
"41",
"42",
"53"
] | B | "244 / 4 = 61 multiples of 4 which are a multiple of 6 will be of the form 2 * 2 * 3 = 12 n where n > 0 240 / 12 = 20 61 - 20 = 41 answer : b" |
openbookqa | obqa_02_02691 | Which would feel hotter? | [
"a stove on the fingertips",
"a stove on the butt",
"a fridge on the butt",
"a fridge on the fingertips"
] | A | if an object is hot then the surfaces of that object are hot |
math_qa | mathqa_03_04130 | if n is a positive integer and the product of all the integers from 1 to n , inclusive , is a multiple of 9 , what is the least possible value of n ? | [
"7",
"6",
"9",
"12"
] | B | we need at least 2 factors of three , which means n must be at least 6 , so b is the correct answer . |
math_qa | mathqa_03_04158 | what is the least number . which should be added to 221 to make it a perfect square ? | [
"5",
"8",
"4",
"6"
] | C | "221 + 4 = 225 15 ^ 2 answer : c" |
sciq | sciq_01_06090 | The scale that is used to measure the loudness of sound measures their loudness in what? | [
"decibels",
"centimeters",
"waves",
"weight"
] | A | The most common cause of hearing loss is exposure to loud sounds. Loud sounds can damage hair cells inside the ears. Hair cells change sound waves to electrical signals that the brain can interpret as sounds. Louder sounds, which have greater intensity than softer sounds, can damage hair cells more quickly than softer ... |
openbookqa | obqa_02_04228 | If a person wants to watch the eclipse | [
"it's best to go without sunglasses",
"it's best to use a telescope",
"it's best to just look at it",
"it's best to use eye protection"
] | D | a solar eclipse could only happen during the new moon |
sciq | sciq_01_00333 | What is the outer layer of an axon that acts like a layer of insulation, similar to the plastic that encases an electrical cord? | [
"nerve sheath",
"lipids sheath",
"myelin sheath",
"layer sheath"
] | C | The axon of many neurons has an outer layer called a myelin sheath (see Figure above ). Myelin is a lipid produced by a type of a glial cell known as a Schwann cell. The myelin sheath acts like a layer of insulation, similar to the plastic that encases an electrical cord. Regularly spaced nodes, or gaps, in the myelin ... |
sciq | sciq_01_08374 | Transverse divisions are associated with leaf elongation, and longitudinal divisions are associated with what? | [
"leaf shedding",
"leaf broadening",
"leaf multiplying",
"leaf coloring"
] | B | |
ARC-Easy | arc_04_00941 | Which action involving a pulley system requires the least amount of force? | [
"using several pulleys together instead of a single pulley",
"using a fixed pulley instead of a moveable pulley",
"pulling a long rope instead of a short rope",
"pulling a rope up instead of down"
] | A | null |
math_qa | mathqa_03_03338 | a can do a work in 9 days and b can do the same work in 18 days . if they work together , in how many days will they complete the work ? | [
"6 days",
"7 days",
"5 days",
"3 days"
] | A | one day ' s work of a and b = 1 / 9 + 1 / 8 = ( 2 + 1 ) / 18 = 1 / 6 so , the time taken to complete the work is 6 days . answer : a |
sciq | sciq_01_04783 | Sudden changes in geologic and climatic conditions can spur what process? | [
"cloning",
"generation",
"evolution",
"symbiosis"
] | C | When geologic and climatic conditions are changing, evolution may occur more quickly. Thus, long periods of little change may be interrupted by bursts of rapid change. This model of the timing of evolution is called punctuated equilibrium . It is better supported by the fossil record than is gradualism. This model sugg... |
sciq | sciq_01_07819 | What is the only marsupial in north america? | [
"Raccoon",
"oppossum",
"Didelphinae",
"Marmosa"
] | B | Most people think of opossums as scary creatures. Is this because they look kind of funny, walk kind of funny, have beady eyes and sharp teeth, and can emit a very foul odor? Maybe. But what is so different about opossums is that they are the only marsupial in North America. |
sciq | sciq_01_04137 | What kind of bonds, where electrons are transferred rather than shared, are considered the ultimate in polarity? | [
"ionic bonds",
"soluble bonds",
"magnetic bonds",
"covalent bonds"
] | A | polar, while others are strongly polar. Ionic bonds can be considered the ultimate in polarity, with electrons being transferred rather than shared. To judge the relative polarity of a covalent bond, chemists use electronegativity, which is a relative measure of how strongly an atom attracts electrons when it forms a c... |
openbookqa | obqa_02_04047 | Where is a mama bear likely to find food? | [
"on top of the highest trees",
"in the deepest mines",
"in the inside of a felled oak",
"at the bottom of the lake"
] | C | bears eat insects |
sciq | sciq_01_03606 | Coal, oil and natural gas are types of what formed from the remains of once living organisms? | [
"fossil compounds",
"living fossils",
"crop fuels",
"fossil fuels"
] | D | Coal, oil and natural gas are all fossil fuels formed from the remains of once living organisms. |
math_qa | mathqa_03_04119 | solution a is 20 % sugar and solution b is 80 % sugar . if you have 30 ounces of solution a and 60 ounces of solution b , in what ratio could you mix solution a with solution b to produce 50 ounces of a 50 % sugar solution ? | [
"6 : 4",
"6 : 14",
"4 : 4",
"4 : 6"
] | C | forget the volumes for the time being . you have to mix 20 % and 80 % solutions to get 50 % . this is very straight forward since 50 is int he middle of 20 and 80 so we need both solutions in equal quantities . if this does n ' t strike , use w 1 / w 2 = ( a 2 - aavg ) / ( aavg - a 1 ) w 1 / w 2 = ( 80 - 50 ) / ( 50 - ... |
sciq | sciq_01_00675 | Humans are unique in their ability to alter their environment with the conscious purpose of increasing what, which acts as a limiting factor on populations in general? | [
"density dependent limitation",
"carrying capacity",
"containing capacity",
"niche"
] | B | Overcoming Density-Dependent Regulation Humans are unique in their ability to alter their environment with the conscious purpose of increasing its carrying capacity. This ability is a major factor responsible for human population growth and a way of overcoming density-dependent growth regulation. Much of this ability i... |
sciq | sciq_01_05952 | The strong affinity of concentrated sulfuric acid for water makes it a good agent of what? | [
"hydrating",
"diluting",
"concentrating",
"dehydrating"
] | D | The strong affinity of concentrated sulfuric acid for water makes it a good dehydrating agent. It is possible to dry gases and immiscible liquids that do not react with the acid by passing them through the acid. Sulfuric acid is a strong diprotic acid that ionizes in two stages. In aqueous solution, the first stage is ... |
sciq | sciq_01_03375 | What topographic feature does a circle with inward hatches represent on a contour map? | [
"vegetation",
"a lake",
"a depression",
"a mountain"
] | C | On a contour map, a circle with inward hatches indicates a depression. |
math_qa | mathqa_03_00885 | what is the sum of the multiples of 4 from 40 to 80 , inclusive ? | [
"560",
"660",
"800",
"760"
] | B | "the formula we want to use in this type of problem is this : average * total numbers = sum first , find the average by taking the sum of the f + l number and divide it by 2 : a = ( f + l ) / 2 second , find the total numbers in our range by dividing our f and l numbers by 4 and add 1 . ( 80 / 4 ) - ( 40 / 4 ) + 1 mult... |
medmcqa | medmcqa_05_00455 | During appendectomy if it is noticed that base of appendix is inflammed then fuher line of treatment is | [
"No appendicectomy",
"No burrying of stump",
"Hemicolectomy",
"Cecal resection"
] | B | Ans. is 'b' i.e. No burrying of stump |
math_qa | mathqa_03_04752 | find the area of trapezium whose parallel sides are 28 cm and 20 cm long , and the distance between them is 21 cm ? | [
"288 cm 2",
"277 cm 2",
"504 cm 2",
"510 cm 2"
] | C | "area of a trapezium = 1 / 2 ( sum of parallel sides ) * ( perpendicular distance between them ) = 1 / 2 ( 28 + 20 ) * ( 21 ) = 504 cm 2 answer : c" |
sciq | sciq_01_00437 | What vesicles store neurotransmitters? | [
"Golgi apparatus",
"dendritic",
"hydrophobic",
"synaptic"
] | D | Secretory Vesicles contain materials that are to be excreted from the cell, such as wastes or hormones . Secretory vesicles include synaptic vesicles and vesicles in endocrine tissues. Synaptic vesicles store neurotransmitters. They are located at presynaptic terminals in neurons. When a signal reaches the end of an ax... |
sciq | sciq_01_00491 | Gases such as co2 and methane can trap what energy in earth's atmosphere, before radiating it into space? | [
"potential energy",
"sunlight energy",
"mechanical energy",
"thermal energy"
] | D | Thermal energy can be trapped in Earth’s atmosphere by gases such as CO2, water vapor, methane, and chlorofluorocarbons before it can be radiated into space—like the effect of a greenhouse. It is not yet clear how large an increase in the temperature of Earth’s surface can be attributed to this phenomenon. Venus is an ... |
openbookqa | obqa_02_02159 | The body of creatures may have nutrients delivered to various areas based on where | [
"hair grows",
"nails are trimmed",
"vessels travel",
"birds exist"
] | C | arteries transport nutrients throughout the body |
sciq | sciq_01_02189 | Which kind of irrigation uses much less water than other methods? | [
"solar",
"drip",
"constant",
"mist"
] | B | Drip irrigation uses much less water than other methods. |
sciq | sciq_01_04802 | What is the name for a kind of animal that eats a mix of plant and animal foods. | [
"an smorgasbord",
"an omnivore",
"an herbivore",
"a carnivore"
] | B | Some mammals are omnivores. Omnivores are heterotrophs that eat a mix of plant and animal foods. Mammals that are omnivores include bears, foxes, rats, pigs, and human beings. The chimpanzees in Figure below are also omnivorous mammals. In the wild, they eat mainly plant foods, but they supplement plants with birds, bi... |
sciq | sciq_01_05668 | Producing sperm and secreting testosterone are the main functions of what system? | [
"pollination",
"male reproductive system",
"female reproductive system",
"endocrine system"
] | B | The main functions of the male reproductive system are to produce sperm and secrete testosterone. |
ARC-Easy | arc_04_00477 | What chemical symbol represents the element iron? | [
"Fe",
"I",
"Ir",
"Pb"
] | A | null |
sciq | sciq_01_09864 | What kind of lakes form when volcanic eruptions create holes that fill with water? | [
"novel lakes",
"crater lakes",
"formation lakes",
"artificial lakes"
] | B | Other lakes are crater lakes or rift lakes ( Figure below ). Crater lakes form when volcanic eruptions create craters that fill with water. Rift lakes form when movements of tectonic plates create low places that fill with water. |
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