dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 4 758 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
ARC-Easy | arc_04_01105 | The cheetah population around the world has decreased because of poaching and loss of habitat. The surviving population is found to have similar alleles. Which factor is endangering the species' survival the most? | [
"harmful genetic mutations",
"shrinking of the gene pool",
"decrease in competition",
"increase in adaptations"
] | B | null |
openbookqa | obqa_02_01512 | If weather is stormy there is a greater chance of what? | [
"drought",
"waterfalls",
"sky water",
"fire"
] | C | if weather is stormy then there is a greater chance of rain |
openbookqa | obqa_02_02000 | A cloud gets fat and heavy and dark. The sky gets darker. The next step to expect is | [
"ice",
"precipitation",
"sunshine",
"flowers"
] | B | water vapor condensing in clouds causes rain |
sciq | sciq_01_10499 | What is the term for a process that changes some chemical substances into others? | [
"chemical reaction",
"acid reaction",
"toxic reaction",
"chain reaction"
] | A | A chemical reaction is a process that changes some chemical substances into others. During a chemical reaction, the reactants are used up to create the products. |
openbookqa | obqa_02_03187 | What anchors plants into the soil are called | [
"a form of webbing",
"Velcro with extra grip",
"the same as an american television miniseries about slavery",
"large anchors made of metal"
] | C | roots anchor plants into the soil |
ARC-Easy | arc_04_01371 | Students studying the atmosphere want to display the percentage of each greenhouse gas as compared to the total amount of greenhouse gases found in the atmosphere. Which representation would be most appropriate for displaying these percentages? | [
"bar graph",
"line graph",
"pie chart",
"data table"
] | C | null |
math_qa | mathqa_03_04444 | what is the tens digit of 7 ^ 1001 ? | [
"0",
"0",
"2",
"3"
] | B | "7 ^ 1 = 7 7 ^ 2 = 49 7 ^ 3 = 343 7 ^ 4 = 2401 7 ^ 5 = 16807 7 ^ 6 = 117649 we should see this as pattern recognition . we have a cycle of 4 . ( we can multiply the last 2 digits only as we care about ten ' s digit ) 0 , 4 , 4 , 0 . 1001 = 4 * 250 + 1 the ten ' s digit will be 1 . answer b" |
math_qa | mathqa_03_03549 | the area of a rectangular plot is 23 times its breadth . if the difference between the length and the breadth is 10 metres , what is its breadth ? | [
"13 metres",
"5 metres",
"7.5 metres",
"data inadequate"
] | A | "l × b = 23 × b ∴ l = 23 m and l – b = 10 ∴ b = 23 – 10 = 13 m answer a" |
medmcqa | medmcqa_05_02459 | A patient had injury to right leg by road traffic accident and his leg was amputated. This is ? | [
"Disease",
"Disability",
"Impairment",
"Handicap"
] | C | Ans. is 'c' i.e., Impairment Any loss of anatomical structure (e.g. loss of leg in this question) is called as impairment. According to WHO definitions, Disease: Any abnormal condition of an individual that impairs function Impairment: Any loss or abnormality of psychological, physiological or anatomical structure or f... |
medmcqa | medmcqa_05_02662 | Koplik spots are seen in: September 2011 | [
"Diphtheria",
"TB",
"Measles",
"Syphilis"
] | C | Ans. C: Measles Koplik spots considered as pathognomic of measles appear on the 2nd or 3rd day of illness as gray/ white grains of sand like lesions with surrounding erythema opposite the lower second molars on the buccal mucosa Measles: Also known as rubeola Caused by measles virus (RNA paramyxovirus) Kopliks spot IP:... |
math_qa | mathqa_03_02081 | the average age of 3 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men . the average age of the two new men is | [
"22",
"30",
"25",
"38"
] | C | "total age increased = ( 3 * 2 ) years = 6 years . sum of ages of two new men = ( 21 + 23 + 6 ) years = 50 years average age of two new men = ( 50 / 2 ) years = 25 years . answer : c" |
sciq | sciq_01_07724 | Electron configurations are a shorthand method of indicating what subshells electrons occupy in these? | [
"solutions",
"molecules",
"acids",
"atoms"
] | D | Electron configurations are a shorthand method of indicating what subshells electrons occupy in atoms. |
math_qa | mathqa_03_03724 | a train crosses a platform of 200 m in 20 sec , same train crosses another platform of length 350 m in 25 sec . then find the length of the train ? | [
"150 m",
"180 m",
"400 m",
"250 m"
] | C | "length of the train be ‘ x ’ x + 200 / 20 = x + 350 / 25 5 x + 1000 = 4 x + 1400 x = 400 m answer : c" |
sciq | sciq_01_03943 | In eukaryotes, the cell cycle consists of a long preparatory period, called __________ before undergoing cell division. | [
"metaphase",
"outerphase",
"interphase",
"mitosis"
] | C | 10.2 The Cell Cycle The cell cycle is an orderly sequence of events. Cells on the path to cell division proceed through a series of precisely timed and carefully regulated stages. In eukaryotes, the cell cycle consists of a long preparatory period, called interphase. Interphase is divided into G1, S, and G2 phases. The... |
openbookqa | obqa_02_03107 | Over the lifetime of the planet hydro mechanical wearing will create a | [
"crevasse",
"ocean",
"drought",
"water park"
] | A | a canyon forming occurs over a period of millions of years |
openbookqa | obqa_02_02806 | If an oak seed is placed in a compost pile in a garden, the garden's ecosystem will | [
"be negatively disrupted forever",
"be made much worse",
"be altered in damaging ways",
"adjust in positive ways"
] | D | planting trees has a positive impact on an ecosystem |
medmcqa | medmcqa_05_04647 | A 26-year-old G2P2 woman underwent a normal vaginal delivery 10 days ago. She comes into the doctor's clinic complaining of a large amount of bright red bleeding beginning since 5 PM the previous day. Which of the following is the most likely diagnosis | [
"Uterine atony",
"Subinvolution of the uterus",
"Vaginal laceration",
"Cervical laceration"
] | B | The most common cause of late postpaum hemorrhage is subinvolution of the uterus, in which the placental implantation site does not decrease in size as expected; thus, when the eschar overlying the placental site falls off (7- 10 days after delivery), there is more bleeding than expected. The treatment is uterotonic ag... |
openbookqa | obqa_02_01671 | A common household item that may be a ferrous metal is | [
"pans",
"make up",
"books",
"towels"
] | A | an electromagnet contains cylindrical ferrous metal |
medmcqa | medmcqa_05_02287 | Which of the following cells predominate on vaginal cytology in menopausal women | [
"Intermediate cells",
"Superficial cells",
"Parabasal cells",
"Superficial cells and intermediate cells"
] | C | Predominance of parabasal cells is seen in menopausal patients. |
math_qa | mathqa_03_04790 | from a vessel on the first day , 1 / 3 rd of the liquid evaporates . on the second day 3 / 4 th of the remaining liquid evaporates . what fraction of the volume is present at the end of the 2 day | [
"1 / 3",
"1 / 4",
"1 / 5",
"1 / 6"
] | D | let x be the volume . . . after 1 st day volume remaining = ( x - x / 3 ) = 2 x / 3 after 2 st day volume remaining = ( 2 x / 3 ) - ( ( 2 x / 3 ) * ( 3 / 4 ) ) = ( 2 x / 3 ) ( 1 - 3 / 4 ) = ( 2 x / 3 ) * ( 1 / 4 ) = x / 6 answer : d |
medmcqa | medmcqa_05_02589 | Sudha, a lot 20 year old female developed antibiotic associated pseudomembranous colotis caused by Costridium difficile. Whinch of the following drugs is most likely to be effective in the treatment of this disease? | [
"Ampicillin",
"Clindamycin",
"Metronidazole",
"Chloramphenicol"
] | C | (Ref: KDT 6/e p791) Drugs used for the treatment of psudoembranours colitis are Metronidzole (Drug of choice) Vancomycin |
sciq | sciq_01_10590 | Terrestrial arthropods generally have internal surfaces specialized for what? | [
"food gathering",
"gas exchange",
"protection",
"water uptake"
] | B | |
sciq | sciq_01_08306 | The size and symmetry of a beetle’s or an elk’s antlers or a grasshopper’s song communicate rather clearly their state of what? | [
"problem",
"health",
"need",
"society"
] | B | transient males. Since these loyal males already bond and cooperate with females, it may well be a simple matter for them to bond and cooperate with each other. In a semi-counter intuitive manner, the ability to bond with males could be selected for based on its effect on reproductive success with females. On the other... |
sciq | sciq_01_00031 | In order to create food, what do photosynthetic protists use? | [
"decayed matter",
"thermal energy",
"light energy",
"hydrocarbons"
] | C | Photosynthetic protists use light energy to make food. They are major producers in aquatic ecosystems. |
sciq | sciq_01_02292 | What is the purpose of utilizing careful farming practices such as rotating crops or planting nutrient rich crops? | [
"improve soil quality",
"improve photosynthesis quality",
"improve sediment quality",
"improve soil texture"
] | A | Careful farming helps to keep up soil quality each season. One way is to plant different crops each year. Another is to alternate the crops planted in each row of the field. These techniques preserve and replenish soil nutrients. Planting nutrient rich cover crops helps the soil. Planting trees as windbreaks, plowing a... |
sciq | sciq_01_00879 | What type of generations do plants alternate between during a life cycle? | [
"haploid and diploid",
"haploid and clump",
"algal and diploid",
"vitro and diploid"
] | A | All plants have a life cycle that alternates between haploid and diploid generations. Plants vary in terms of which generation is dominant. Most modern plants have a dominant diploid generation. |
sciq | sciq_01_00148 | All forms of energy can be interconverted. three things can change the energy of an object: the transfer of heat, work performed on or by an object, or some combination of what? | [
"humidity and work",
"temperature and work",
"cold and energy",
"heat and work"
] | D | All forms of energy can be interconverted. Three things can change the energy of an object: the transfer of heat, work performed on or by an object, or some combination of heat and work. |
sciq | sciq_01_00739 | What do angiosperms produce? | [
"scales",
"needles",
"leaves",
"flowers and fruit"
] | D | a phosphate group, which contains phosphorus and oxygen. |
sciq | sciq_01_00602 | The best thermal conductors are also the best conductors of what, which is also related to the density of free electrons in them? | [
"electricity",
"light",
"pollution",
"sound"
] | A | Note that in Table 14.3, the best thermal conductors—silver, copper, gold, and aluminum—are also the best electrical conductors, again related to the density of free electrons in them. Cooking utensils are typically made from good conductors. |
sciq | sciq_01_01026 | Boiling points increase with which kind of mass? | [
"protons mass",
"lipid mass",
"universal mass",
"molar mass"
] | D | Carboxylic acids have high boiling points compared to other substances of comparable molar mass. Boiling points increase with molar mass. |
sciq | sciq_01_08483 | What larger theory is einstein's equation part of? | [
"excess of relativity",
"theory of relativity",
"cycle of relativity",
"law of relativity"
] | B | Einstein’s equation is part of a larger theory called the theory of relativity. It is concerned with concepts such as motion and forces as well as mass and energy. Motion and forces are the focus of succeeding chapters. |
ARC-Challenge | arc_04_02848 | If a fox and an eagle eat some of the same organisms in an ecosystem, the relationship between the fox and the eagle could be classified as | [
"competition.",
"mutualism.",
"predation.",
"parasitism."
] | A | null |
ARC-Easy | arc_04_01145 | Which of the following is one reason that quartz is classified as a mineral? | [
"It can be manufactured.",
"It comes in different colors.",
"It has a specific crystal structure.",
"It can be melted at high temperatures."
] | C | null |
math_qa | mathqa_03_00309 | if 4 : 6 : : x : 36 , then find the value of x | [
"24",
"22",
"28",
"30"
] | A | explanation : treat 4 : 6 as 4 / 6 and x : 36 as x / 36 , treat : : as = so we get 4 / 6 = x / 36 = > 6 x = 144 = > x = 24 option a |
medmcqa | medmcqa_05_01295 | Hydatid cyst is caused by? | [
"Trypanosoma cruzi",
"Taenia solium",
"Taenia saginata",
"Echinococcus granulosus"
] | D | Hydatid disease Caused by ingestion of eggs of echinococcal species. Definitive host is the dog Intermediate hosts are sheep |
sciq | sciq_01_09391 | Why do crystals have relatively sharp and well-defined melting points? | [
"angular intermolecular forces",
"uniform intermolecular forces",
"variable intermolecular forces",
"particular intermolecular forces"
] | B | Deformation of the ionic crystal causes one plane of atoms to slide along another. The resulting repulsive interactions between ions with like charges cause the layers to separate. Crystals tend to have relatively sharp, well-defined melting points because all the component atoms, molecules, or ions are the same distan... |
sciq | sciq_01_04290 | What keeps various species from mating and reproducing outside their own species? | [
"reproductive organ incompatibility",
"cancer organ incompatibility",
"brain organ incompatibility",
"digestive system incompatibility"
] | A | Figure 18.19 The shape of the male reproductive organ varies among male damselfly species, and is only compatible with the female of that species. Reproductive organ incompatibility keeps the species reproductively isolated. |
openbookqa | obqa_02_04533 | A creature of a certain age lays a clutch, so it is probably a | [
"deer",
"hare",
"falcon",
"bear"
] | C | some adult animals lay eggs |
ARC-Easy | arc_04_02130 | Certain flowers will open for twelve hours and then close. Which stimulus do the flowers respond to when they open and then when they close for that time period? | [
"light levels",
"moon phases",
"seasonal temperatures",
"carbon dioxide levels"
] | A | null |
medmcqa | medmcqa_05_00169 | Commonest cause of loss of vision in non- proliferative diabetic retinopathy is – | [
"Vitreous heamorrhage",
"Macular edema",
"Detachment of retina",
"Subretinal haemorrhage"
] | B | Macular edema is the most common cause of loss of vision in NPDR. |
math_qa | mathqa_03_03828 | sheela deposits rs . 4500 in bank savings account . if this is 28 % of her monthly income . what is her monthly income in ? | [
"22000",
"27000",
"16071",
"16789"
] | C | "explanation : 28 % of income = rs . 4500 100 % of income = 4500 x 100 / 28 = rs . 16071 answer : c" |
sciq | sciq_01_01360 | Migration and hibernation are examples of behaviors that occur on what temporal basis? | [
"weekly",
"annual",
"daily",
"nocturnal"
] | B | Many animal behaviors occur in repeated cycles. Migration and hibernation are examples of behaviors with annual cycles. Sleeping and waking are examples of behaviors with daily cycles. |
ARC-Challenge | arc_04_02781 | The temperature at which water freezes enables water to exist in which two forms on Earth? | [
"freshwater rivers and saltwater oceans",
"liquid oceans and solid glaciers",
"atmospheric vapor and cloud droplets",
"water in soil and water in plants"
] | B | null |
openbookqa | obqa_02_01234 | What kind of organisms decay? | [
"harvested turnips",
"alive humans",
"sleeping dogs",
"hibernating bears"
] | A | dead organisms decay |
ARC-Challenge | arc_04_03169 | Which characteristic of a bird most likely aids in obtaining food found in small places? | [
"webbed feet",
"large body",
"soft feathers",
"skinny beak"
] | D | null |
medmcqa | medmcqa_05_00711 | Intracranial calcification with cystic lesion in plain X-Ray skull is seen in | [
"Meningioma",
"Glioma",
"Craniopharyngioma",
"Meduloblastoma"
] | C | C i.e. Craniopharyngioma - Most common cause of intra cranial calcification = Pineal body calcificationQ - Most common calcifying brain tumor in child = CraniopharyngiomaQ > Oligodendroglioma - Craniopharyngioma causes characteristic suprasellar calcification with cystic appearanceQ - Craniopharyngioma arises from remn... |
sciq | sciq_01_06641 | Momentum is a vector quantity that has the same direction as what? | [
"object ' s velocity",
"inertia",
"initial speed",
"object energy"
] | A | Momentum is a vector quantity that has the same direction as the velocity of the object. |
ARC-Easy | arc_04_01719 | A student heated a pan of soup on a stove. While stirring the soup with a metal spoon, the student noticed the spoon became very warm. What is the most likely reason the spoon became warm? | [
"The stirring action heated the spoon.",
"Warm air in the room heated the spoon.",
"Heat from the soup was transferred to the spoon.",
"The student's hand transferred heat to the spoon."
] | C | null |
openbookqa | obqa_02_02557 | What will increase as the animal eats more food? | [
"starvation",
"trees",
"belly size",
"hunger"
] | C | as the amount of food an animal eats increases , the weight of that animal will increase |
sciq | sciq_01_02312 | What branch of science offers an overview of the physiology of humans? | [
"geology",
"human biology",
"marine biology",
"engineer"
] | B | Human Biology provides an overview of the physiology of humans, from the skin inward. In addition to the skin, the skeletal, muscular, nervous, circulatory, respiratory, digestive, excretory, immune, and reproductive systems are described. |
sciq | sciq_01_09586 | When cardiac muscle contracts, the heart does what? | [
"pumps blood",
"irregular heartbeat",
"heart murmur",
"cardiac arrest"
] | A | Cardiac muscle is found only in the walls of the heart. It is striated, or striped, because its muscle fibers are arranged in bundles. Contractions of cardiac muscle are involuntary. This means that they are not under conscious control. When cardiac muscle contracts, the heart beats and pumps blood. |
sciq | sciq_01_01698 | Filter feeders, such as sponges, pump water into their body through what structures? | [
"lungs",
"pores",
"fibers",
"valves"
] | B | Sponges are filter feeders. They pump water into their body through their pores. The water flows through a large central cavity called the spongocoel (see Figure above ). As the water flows by, specialized collar cells filter out food particles such as bacteria. Collar cells have tiny hairs that trap the particles. The... |
medmcqa | medmcqa_05_04707 | Supero-lateral boundary of axillary dissection is? | [
"Clavi-pectoral fascia",
"Brachial plexus",
"Axillary artery",
"Axillary vein"
] | D | ANSWER: (D) Axillary veinREF: Grays anatomy, 39th edition, page 841Also see Anatomy Q1 Dec 2010"Axillary node clearance can be defined as clearing the axillary contents bounded by the axillary skin laterally, latissimus dorsi, teres major and subscapularis posteriorly, the lower border of the axillary vein superiorly, ... |
openbookqa | obqa_02_01180 | The Appalachians reach amazing heights because of how stone | [
"blew up",
"piles together",
"melted lava",
"created anchors"
] | B | the Appalachians were formed by rock folding |
sciq | sciq_01_11023 | By what kind of change can a chemical change be reversed? | [
"another carbon change",
"another chemical change",
"another radioactive change",
"another thermal change"
] | B | Because chemical changes result in different substances, they often cannot be undone. Some chemical changes can be reversed, but only by other chemical changes. |
sciq | sciq_01_04794 | Water moving up the plane and evaporating from the leaves is a process known as what? | [
"transpiration",
"propagation",
"sublimation",
"evaporation"
] | A | Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration . The process of transpiration, like evaporation, returns water back into the atmosphere. |
math_qa | mathqa_03_02990 | a car traveled from san diego to san francisco at an average speed of 63 miles per hour . if the journey back took twice as long , what was the average speed of the trip ? | [
"24 .",
"32 .",
"36 .",
"42 ."
] | D | "let the time taken be = x one way distance = 63 x total distance traveled = 2 * 63 x = 126 x total time taken = x + 2 x = 3 x average speed = 126 x / 3 x = 42 answer : d" |
openbookqa | obqa_02_02929 | What statement is true? | [
"whales need oxygen",
"whales need fishing",
"whales need mercury",
"whales need boats"
] | A | an animal requires oxygen for to breathe |
math_qa | mathqa_03_04405 | 90 is increased by 50 % . find the final number . | [
"100",
"110",
"135",
"140"
] | C | "final number = initial number + 50 % ( original number ) = 90 + 50 % ( 90 ) = 90 + 45 = 135 . answer c" |
openbookqa | obqa_02_03476 | One way to encourage seeds to grow might be | [
"throwing the seeds away",
"telling the plants to grow up",
"using a table lamp",
"mowing down the grass to nothingness"
] | C | seeds may sprout when buried in soil |
math_qa | mathqa_03_01375 | the cost price of 7 articles is equal to the selling price of 5 articles . what is the profit percent ? | [
"10 %",
"20 %",
"30 %",
"40 %"
] | D | "5 * sp = 7 * cp sp = 1.4 * cp the profit percent is 40 % . the answer is d ." |
math_qa | mathqa_03_00665 | if | 5 x - 30 | = 100 , then find the sum of the values of x ? | [
"1",
"- 2",
"12",
"- 3"
] | C | "| 5 x - 30 | = 100 5 x - 30 = 100 or 5 x - 30 = - 100 5 x = 130 or 5 x = - 70 x = 26 or x = - 14 sum = 26 - 14 = 12 answer is c" |
ARC-Easy | arc_04_00126 | The Sun appears to move across the sky each day, rising in the east and setting in the west. What causes this apparent motion? | [
"the rotation of Earth on its axis",
"the revolution of the Sun around Earth",
"the Earth’s distance from the Sun",
"the properties of Earth’s atmosphere"
] | A | null |
ARC-Challenge | arc_04_02186 | Which is a nonrenewable resource? | [
"oil",
"trees",
"solar energy",
"food crops"
] | A | null |
openbookqa | obqa_02_01865 | A full moon is visible | [
"bimonthly",
"biweekly",
"every two months",
"every four weeks"
] | D | each of the moon 's phases usually occurs once per month |
sciq | sciq_01_07865 | What is the most abundant element in the universe? | [
"carbon",
"helium",
"nitrogen",
"hydrogen"
] | D | Isotopes of Hydrogen Hydrogen, the most abundant element in the universe, is the ultimate source of all other elements by the process of nuclear fusion. (For more information on nuclear fusion, seeChapter 20 "Nuclear Chemistry". ) Table 21.2 "The Isotopes of Hydrogen" compares the three isotopes of hydrogen, all of whi... |
openbookqa | obqa_02_01082 | What might happen if too much heat is transferred to an object? | [
"freezing",
"solidifying",
"burning",
"moving"
] | C | if too much heat is transferred to an object then that object may burn |
openbookqa | obqa_02_03696 | Why do companies heat up milk before they bottle it? | [
"the milk is probably sour",
"it tastes bad that way",
"small organisms could make you sick",
"the cow could get angry"
] | C | pasteurization reduces the amount of bacteria in milk |
sciq | sciq_01_02132 | Vertebrates. from the smallest of fish to us. one of the main features we all have in common is our what? | [
"warm blood",
"backbone",
"hair",
"laying eggs"
] | B | Vertebrates. From the smallest of fish to us. One of the main features we all have in common is our backbone. Vertebrates describes main biological features of fish, amphibians, reptiles, birds, and mammals. |
sciq | sciq_01_07141 | What is the term for individuals of a species that live in a particular habitat? | [
"family",
"ecosystem",
"population",
"biosphere"
] | C | CHAPTER SUMMARY 45.1 Population Demography Populations are individuals of a species that live in a particular habitat. Ecologists measure characteristics of populations: size, density, dispersion pattern, age structure, and sex ratio. Life tables are useful to calculate life expectancies of individual population member... |
math_qa | mathqa_03_03960 | the charge for a single room at hotel p is 40 percent less than the charge for a single room at hotel r and 10 percent less than the charge for a single room at hotel g . the charge for a single room at hotel r is what percent greater than the charge for a single room at hotel g ? | [
"15 %",
"20 %",
"40 %",
"50 %"
] | D | "p = 0.6 r = 0.9 g r = 0.9 g / 0.6 = 1.5 * g thus r is 50 % greater than g . the answer is d ." |
math_qa | mathqa_03_04235 | the population of bacteria culture doubles every 2 minutes . approximately how many minutes will it take for the population to grow from 1000 to 500000 bacteria ? | [
"10",
"12",
"14",
"18"
] | D | 2000 ^ 12000 ^ 22000 ^ 32000 ^ 4 . . . . . . . 2000 ^ 9 population increases in this sequence taking 9 * 2 = 18 answer : d |
sciq | sciq_01_07039 | Why must values of specific heat be looked up in tables? | [
"lack of formulas",
"difficult to understand",
"difficult to memorize",
"difficult to calculate"
] | D | Values of specific heat must generally be looked up in tables, because there is no simple way to calculate them. In general, the specific heat also depends on the temperature. Table 14.1 lists representative values of specific heat for various substances. Except for gases, the temperature and volume dependence of the s... |
medmcqa | medmcqa_05_01734 | The time interval between diagnosid by early detection of screening and diagnosis by other means is - | [
"Serial interval",
"Lead time",
"Time lag",
"Latent period"
] | B | .lead time is the advantage gained by screening.that is the period between diagnosis by early detection and diagnosis by other means.the benefits are alwaysd evaluated in terms of outcomes..lead time is the advantage gained by screening.that is the period between diagnosis by early detection and diagnosis by other mean... |
sciq | sciq_01_00793 | A chemical property describes the ability of a substance to undergo a specific what? | [
"weight Change",
"radiation change",
"chemical change",
"liquid change"
] | C | A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust. The more general term for rusting and other similar processes is corrosion. Other terms that are commo... |
math_qa | mathqa_03_01839 | the proportion of water to alcohol in solution a is 2 : 1 and the proportion of water to alcohol in solution b is 2 : 3 . if an equal amount of each solution is mixed together , what is the concentration of alcohol in the new solution ? | [
"46.7 %",
"47.3 %",
"48.4 %",
"50.6 %"
] | A | "let v be the total volume of the new solution . then a volume of v / 2 was added from each solution a and b . the amount of alcohol added to the new solution was : ( 1 / 3 ) ( v / 2 ) + ( 3 / 5 ) ( v / 2 ) = v / 6 + 3 v / 10 = 14 v / 30 = 7 v / 15 . the concentration of alcohol is 7 / 15 = 46.7 % the answer is a ." |
medmcqa | medmcqa_05_00240 | Statutory body (shown in symbol) has been established under the act passed in | [
"2000",
"2002",
"2006",
"2013"
] | C | 2006 |
medmcqa | medmcqa_05_01103 | Which of the following structure is known as the centre for 'sleep switch'? | [
"Suprachiasmatic nucleus",
"Ventro lateral preoptic area",
"Neo coex",
"Nucleus of tractus solitarius"
] | B | Ventro lateral preoptic area in anterior hypothalamus plays a key role in regulation of sleep. It acts as a sleep generating nucleus thus it serves as a centre for sleep switch. Suprachiasmatic nucleus is responsible for the circadian rhythm. Ref: Ganong's Review of Medical Physiology, 23rd Edition, Page 236 |
sciq | sciq_01_10213 | What corrosive substances capable of dissolving many metals can cause contamination if spilled? | [
"ions",
"bases",
"salts",
"acids"
] | D | Acids can dissolve many metals; a spilled acid can lead to contamination. |
openbookqa | obqa_02_01371 | What animal is cold-blooded? | [
"cats",
"dogs",
"tree hopper",
"rats"
] | C | an amphibian is cold-blooded |
sciq | sciq_01_05268 | What is the only way to completely avoid stis? | [
"oral sex",
"avoid sexual contact",
"contraceptive use",
"cover your mouth"
] | B | The only completely effective way to prevent infection with STIs is to avoid sexual contact and other risky behaviors. Using condoms can lower the risk of becoming infected with STIs during some types of sexual activity. However, condoms are not foolproof. Pathogens may be present on areas of the body not covered by co... |
ARC-Challenge | arc_04_02951 | A city wants to build a dam nearby to increase water supplies. Which question is most important to ask about the environmental effects of building the dam? | [
"How long will it take to build?",
"How much concrete is needed?",
"How will the lake be used for recreation?",
"How will the dam affect fish populations?"
] | D | null |
ARC-Easy | arc_04_01910 | The temperature in a hot star is high enough to pull electrons away from atoms. What state of matter results from this process? | [
"gas",
"solid",
"liquid",
"plasma"
] | D | null |
openbookqa | obqa_02_02394 | A deer eats plants, which are producers, and they also | [
"eat marshmallows",
"burn bridges",
"eat cats",
"create sugars"
] | D | a producer is a source of sugar in an ecosystem |
ARC-Challenge | arc_04_02885 | If a child scrapes his foot on a piece of rusty metal, it is important to get medical treatment because the | [
"metal is corrosive to the skin.",
"foot carries large amounts of bacteria.",
"foot is the most sensitive part of the body.",
"metal may be contaminated and cause infection."
] | D | null |
sciq | sciq_01_01269 | What structure consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast? | [
"cell wall",
"cytoplasm",
"nucleus",
"blastocyst"
] | D | Blastocyst. The blastocyst consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast. The blastocyst fluid-filled cavity is also known as the blastocoel or blastocoele. |
ARC-Easy | arc_04_00312 | What is the highest temperature that water can reach in a pot on a stove? | [
"50°C",
"90°C",
"100°C",
"212°C"
] | C | null |
ARC-Easy | arc_04_01301 | Solar radiation is a combination of light with different wavelengths. Which type of ray can harm human skin the most? | [
"infrared",
"microwave",
"ultraviolet",
"visible"
] | C | null |
sciq | sciq_01_07968 | The hydroxyl radical is highly reactive because it has what? | [
"paired electron",
"unpaired neutron",
"unpaired electron",
"paired proton"
] | C | Because the hydroxyl radical has an unpaired electron, it is highly reactive. (This is true of any substance with unpaired electrons, known as a free radical. ) This hydroxyl radical can react with all kinds of biological molecules (DNA, proteins, enzymes, and so on), causing damage to the molecules and disrupting phys... |
openbookqa | obqa_02_01720 | Birds are a vehicle for spreading the seeds of what? | [
"winds",
"dissent",
"flame",
"oaks"
] | D | birds are a vehicle for spreading the seeds of a plant |
sciq | sciq_01_10817 | Sublimation and deposition involve direct transitions between solid and gas without going through which state? | [
"liquid",
"carbon",
"chemical",
"homeostasis"
] | A | Sublimation and deposition involve direct transitions between solid and gas without going through the liquid state. |
openbookqa | obqa_02_04247 | the Grand Canyon was formed by the Colorado River doing what over long periods of time? | [
"blazing",
"melting",
"moving steadily",
"evaporating"
] | C | the Grand Canyon was formed by the Colorado River flowing over long periods of time |
openbookqa | obqa_02_01281 | Bats use the organs on the side of their heads to | [
"receive short radio pulses",
"hold up their sunglasses",
"create lift for flight",
"attract a potential mate"
] | A | bats can echolocate |
ARC-Easy | arc_04_00247 | Which is a process that occurs during photosynthesis? | [
"Plants take in oxygen and release sugar.",
"Plants take in sugar and release minerals.",
"Plants take in minerals and release carbon dioxide.",
"Plants take in carbon dioxide and release oxygen."
] | D | null |
math_qa | mathqa_03_02452 | to produce an annual income of rs . 1200 from a 12 % stock at 90 , the amount of stock needed is : | [
"rs . 10,000",
"rs . 10,800",
"rs . 14,400",
"rs . 16,000"
] | A | solution for an income of rs . 12 , stock needed = rs . 100 . for an income of rs . 1200 , stock needed = rs . 100 / 12 x 1200 = 10000 answer a |
ARC-Challenge | arc_04_03163 | Wind is becoming more common as a source of energy. Wind farms require large open spaces for the wind turbines. A negative consequence of this technology is wind turbines | [
"are an inexpensive source of energy.",
"cause little pollution to the environment.",
"may hurt the flying animals in the area.",
"are a renewable source of energy."
] | C | null |
sciq | sciq_01_03900 | What can be defined simply, as a change in position? | [
"speed",
"gravity",
"velocity",
"motion"
] | D | You can see several examples of people or things in motion in Figure below . You can probably think of many other examples. You know from experience what motion is, so it may seem like a straightforward concept. Motion can also be defined simply, as a change in position. But if you think about examples of motion in mor... |
sciq | sciq_01_02532 | The distance between the crests of electromagnetic waves is called what? | [
"trough",
"variation",
"wavelength",
"crest"
] | C | |
math_qa | mathqa_03_01383 | find the value of x : x ² + 6 x + 9 . | [
"9",
"- 1",
"- 3",
"3"
] | C | that quadratic is factored as follows : x ² + 6 x + 9 = ( x + 3 ) ( x + 3 ) . lesson 17 . now , it is easy to see that that both factors will be 0 when x = - 3 . the solution is : x = - 3 c |
sciq | sciq_01_09145 | Where does electric power originate? | [
"magnets",
"coal mines",
"power plants",
"the Sun"
] | C | Power plants are where electric power originates. They have electric generators that generate electric current through electromagnetic induction. |
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