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_09824 | Deeper layers of rock must be older than layers closer to the surface, this is the law of what? | [
"flux",
"diffraction",
"superposition",
"erosion"
] | C | Superposition refers to the position of rock layers and their relative ages ( Figure below ). Relative age means age in comparison with other rocks, either younger or older. The relative ages of rocks are important for understanding Earth’s history. New rock layers are always deposited on top of existing rock layers. T... |
math_qa | mathqa_03_01254 | how many times will the digit 8 be written when listing the integers from 1 to 1000 ? | [
"164",
"297",
"300",
"345"
] | C | "many approaches are possible . for example : consider numbers from 0 to 999 written as follows : 1 . 000 2 . 001 3 . 002 4 . 003 . . . . . . . . . 1000 . 999 we have 1000 numbers . we used 3 digits per number , hence used total of 3 * 1000 = 3000 digits . now , why should any digit have preferences over another ? we u... |
sciq | sciq_01_03154 | Changes of state of matter do not involve what type of reaction? | [
"radiation",
"gaseous reaction",
"chemical reaction",
"mechanical reaction"
] | C | Not all changes in matter involve chemical reactions. For example, there are no chemical reactions involved in changes of state. When liquid water freezes or evaporates, it is still water. No bonds are broken and no new products are formed. |
ARC-Easy | arc_04_00269 | Vein deposits of gold and silver are often formed in areas that have experienced which geologic process? | [
"igneous intrusion",
"transport by water",
"chemical weathering",
"compaction by pressure"
] | A | null |
sciq | sciq_01_00936 | In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube? | [
"uterus",
"vagina",
"stomach",
"ovaries"
] | A | Development of the Embryo In the vast majority of ectopic pregnancies, the embryo does not complete its journey to the uterus and implants in the uterine tube, referred to as a tubal pregnancy. However, there are also ovarian ectopic pregnancies (in which the egg never left the ovary) and abdominal ectopic pregnancies ... |
sciq | sciq_01_04486 | Hydrogen and helium are specifically involved as reactants in what nuclear reaction that is useful for making energy? | [
"radioactive fusion",
"nuclear fission",
"nuclear fusion",
"destructive fusion"
] | C | The use of nuclear fusion for energy has several pros. Unlike nuclear fission, which involves dangerous radioactive elements, nuclear fusion involves just hydrogen and helium. These elements are harmless. Hydrogen is also very plentiful. There is a huge amount of hydrogen in ocean water. The hydrogen in just a gallon o... |
sciq | sciq_01_03977 | What is the transfer of thermal energy between particles of matter that are touching called? | [
"conduction",
"convection",
"radiation",
"activation"
] | A | Conduction is the transfer of thermal energy between particles of matter that are touching. Thermal conductors are materials that are good conductors of thermal energy. Thermal insulators are materials that are poor conductors of thermal energy. Both conductors and insulators have important uses. |
sciq | sciq_01_00288 | What is the concept by which two species within the same area to coexist by adapting by developing different specializations? | [
"character concept",
"feature displacement",
"character development",
"character displacement"
] | D | Looking at different types of competition, ecologists developed the competitive exclusion principle . The principle states that species less suited to compete for resources will either adapt, move from the area, or die out. In order for two species within the same area to coexist, they may adapt by developing different... |
math_qa | mathqa_03_03182 | the speed of a subway train is represented by the equation z = s ^ 2 + 2 s for all situations where 0 ≤ s ≤ 7 , where z is the rate of speed in kilometers per hour and s is the time in seconds from the moment the train starts moving . in kilometers per hour , how much faster is the subway train moving after 7 seconds t... | [
"4",
"55",
"15",
"48"
] | B | "given : z = s ^ 2 + 2 s for 0 ≤ s ≤ 7 z ( 2 ) = 2 ^ 2 + 2 * 2 = 8 z ( 7 ) = 7 ^ 2 + 2 * 7 = 63 therefore z ( 7 ) - z ( 3 ) = 63 - 8 = 55 km / hr option b" |
openbookqa | obqa_02_03772 | steam is a kind of water above | [
"the stove",
"373 kelvin",
"the moon",
"jupiter"
] | B | steam is a kind of water above 100 degrees celsius |
medmcqa | medmcqa_05_04165 | A 63-year-old woman with chronic bronchitis presents with shortness of breath. A chest X-ray reveals a 2-cm "coin lesion" in the upper lobe of the left lung. A CT-guided lung biopsy is obtained. Which of the following describes the histologic features of this lesion if the diagnosis is hamartoma? | [
"Benign neoplasm of epithelial origin",
"Disorganized normal tissue",
"Ectopic islands of normal tissue",
"Granulation tissue"
] | B | Localized, disordered differentiation during embryonic development results in a hamartoma, a disorganized caricature of normal tissue components. Such tumors, which are not strictly neoplasms, contain varying combinations of cartilage, ducts or bronchi, connective tissue, blood vessels, and lymphoid tissue. Ectopic isl... |
sciq | sciq_01_08688 | What mechanism is used by living organisms to pass along genes? | [
"chlorophyll",
"digestion",
"dna",
"protein"
] | C | 16 Gregor Mendel and biological inheritance Charles Darwin1 , for all he contributed to the science of biology, never knew about the mechanism by which living things inherit traits from previous generations, or how new traits arise. As any schoolchild can tell you, this mechanism of interitance has since been found to ... |
medmcqa | medmcqa_05_02796 | Flooding is a treatment modality used in | [
"Phobia",
"Depression",
"Mania",
"Schizophrenia"
] | A | Phobia is treated by behaviour therapy. If properly planned, this mode of treatment is usually successful. Impoant techniques are flooding, systemic desensitisation, exposure and response prevention, relaxation technique (Ref: a sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no.94) |
medmcqa | medmcqa_05_00509 | A patient Parul gives you the history that she has missed a single dose of her combined oral contraceptive pill. Which of the following will you advise her? | [
"Continue with the course without regard to the missed dose",
"Take 2 pills the next day and continue with the course",
"Take 2 pills everyday for the remaining pa of the course",
"Discontinue the course and use alternative method of contraception"
] | B | * If a woman misses one pill of OCP, she should take 2 pills next day and then continue one pill a day as usual. * If the pills have been missed for 2-3 days, then the course should be stopped-->mechanical barriers (like condom) should be used and the next course should sta from next menstrual cycle. |
openbookqa | obqa_02_00606 | as the year progress from June to November the hours of light per day | [
"increases by a few hours",
"decreases by a few hours",
"decreases by 10 minutes",
"increases by 10 minutes"
] | B | when the seasons change from the summer to the fall , the amount of daylight will decrease |
ARC-Easy | arc_04_01208 | If water gets into the crack of a rock and then freezes, the rock will MOST likely | [
"break apart",
"be able to float",
"become larger",
"change colors"
] | A | null |
sciq | sciq_01_08286 | Primary batteries are single-use batteries because they cannot be what? | [
"UP ticked.",
"refreshed",
"plugged",
"recharged"
] | D | Primary Batteries Primary batteries are single-use batteries because they cannot be recharged. A common primary battery is the dry cell (Figure 17.10). The dry cell is a zinc-carbon battery. The zinc can serves as both a container and the negative electrode. The positive electrode is a rod made of carbon that is surrou... |
math_qa | mathqa_03_02033 | before 4 years , dog a ’ s age was 4 times of dog b ’ s age and after 4 years , dog a ’ s age will be 3 times of dog b ’ s age . what is the difference of dog a ’ s age and dog b ’ s now ? | [
"36",
"42",
"52",
"60"
] | C | "a - 4 = 4 ( b - 4 ) - - > a - 4 b = - 12 . . . . . . . . . . . . . 1 a + 4 = 3 ( b + 4 ) - - > a - 3 b = 8 . . . . . . . . . . . . . 2 ( 2 ) - ( 1 ) - - > b = 20 - - > a = 3 ( 24 ) = 72 a - b = 72 - 20 = 52 answer : c" |
sciq | sciq_01_06655 | Greater reflection off what atmospheric layer allows am radio waves to travel even farther at night than they can during the day? | [
"exosphere",
"stratosphere",
"troposphere",
"ionosphere"
] | D | A: With greater reflection off the ionosphere, AM waves can travel even farther at night than they can during the day. Radio receivers can often pick up radio broadcasts at night from cities that are hundreds of miles away. |
sciq | sciq_01_02672 | What do you call the angle of the earth's axis of rotation? | [
"vertical tilt",
"axial tilt",
"dynamic tilt",
"horizontal tilt"
] | B | Earth goes through regular changes in its position relative to the Sun. Its orbit changes slightly. Earth also wobbles on its axis of rotation. The planet also changes its axial tilt , the angle of its axis of rotation. These changes can affect Earth’s temperature. |
sciq | sciq_01_00083 | In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what? | [
"color",
"inheritance",
"preference",
"behavior"
] | B | For thousands of years, humans have understood that characteristics such as eye color, hair color, or even flower color are passed from one generation to the next. The passing of characteristics from parent to offspring is called heredity . Humans have long been interested in understanding heredity. Many hereditary mec... |
medmcqa | medmcqa_05_03942 | A pregnant female has past history of embolism in puerperium. What medical management she should take in next pregnancy to avoid this: | [
"Cumpulsory prophylaxis with warfarin start at 10 weeks",
"To take warfarin after delivery",
"Chance of thromboembolism increases by 12% in next pregnancy",
"Does not need anything"
] | B | Ans. is b, i.e. To take warfarin after deliveryRef. Williams 23/e, p 1028, 29, Table 47.6Friends venous thromboembolism in pregnancy, is one of those topics which we do not study in detail during under graduation.So, I am giving in brief, all the important points you need to remember;Venous thromboembolism in pregnancy... |
openbookqa | obqa_02_02455 | Where would you find the most sunlight? | [
"England",
"Morocco",
"Sweden",
"Norway"
] | B | a desert environment usually has a lot of sunlight |
openbookqa | obqa_02_01940 | Plants preparing for dormancy is a sign | [
"the earth is tilting",
"readiness an total alertness",
"extreme fatigue and tiredness",
"of a beautiful sunset"
] | A | An example of a seasonal change is plants becoming dormant in the winter |
math_qa | mathqa_03_01444 | how many even 4 - digit numbers can be formed , so that the numbers are divisible by 4 and no two digits are repeated ? | [
"336",
"784",
"1120",
"1804"
] | C | number is divisible by 4 if the last two digits form a number divisible by 4 . therefore last two digits can be : 00 ; 04 ; 08 ; 12 16 ; . . . 96 . basically multiples of 4 in the range 0 - 96 , inclusive . multiples of 4 in a range 0 - 96 , inclusive are last multiple in the range − first multiple in the range 4 + 1 =... |
sciq | sciq_01_08536 | What is a copy of an image formed by reflection or refraction? | [
"an image",
"a mirror image",
"a photographic image",
"an example"
] | A | A mirror is typically made of glass with a shiny metal backing that reflects all the light that strikes it. When a mirror reflects light, it forms an image. An image is a copy of an object that is formed by reflection or refraction. Mirrors may have flat or curved surfaces. The shape of a mirror’s surface determines th... |
sciq | sciq_01_00271 | For what purpose does liver use the excess carbohydrate? | [
"to synthesize glycogen",
"process sugar",
"dilute carbohydrates",
"convert starches"
] | A | Obesity With obesity at high rates in the United States, there is a public health focus on reducing obesity and associated health risks, which include diabetes, colon and breast cancer, and cardiovascular disease. How does the food consumed contribute to obesity? Fatty foods are calorie-dense, meaning that they have mo... |
openbookqa | obqa_02_03566 | Saturday and Sunday together are | [
"72 hours",
"24 hours",
"48 hours",
"36 hours"
] | C | one day is equal to 24 hours |
math_qa | mathqa_03_03442 | in a city , 35 % of the population is composed of migrants , 20 % of whom are from rural areas . of the local population , 48 % is female while this figure for rural and urban migrants is 30 % and 40 % respectively . if the total population of the city is 728400 , what is its female population ? | [
"324138",
"248888",
"378908",
"277880"
] | A | explanation : total population = 728400 migrants = 35 % of 728400 = 254940 local population = ( 728400 - 254940 ) = 473460 . rural migrants = 20 % of 254940 = 50988 urban migrants = ( 254940 - 50988 ) = 203952 female population = 48 % of 473460 + 30 % of 50988 + 40 % of 203952 = 324138 answer : a |
ARC-Easy | arc_04_00049 | Which is the greatest impact humans have had on the carbon cycle? | [
"clear-cutting forests",
"manufacturing plastics",
"burning fossil fuels",
"growing agricultural crops"
] | C | null |
sciq | sciq_01_05123 | Archaeal cell walls contain a variety of polysaccharides and proteins but lack what? | [
"peptidoglycan",
"S-layers",
"RNA",
"DNA"
] | A | |
sciq | sciq_01_06893 | What produces the centripetal force to keep the earth orbiting the sun? | [
"gravity",
"motion",
"weight",
"heat"
] | A | Centripetal force is, simply, the force that causes centripetal acceleration. Objects that move in uniform circular motion all have an acceleration toward the center of the circle and therefore, they must also suffer a force toward the center of the circle. That force is the centripetal force. For orbiting satellites, ... |
sciq | sciq_01_01968 | What measures the height of the largest seismic wave or earth quakes? | [
"tremor scale",
"richter scale",
"magnitude scale",
"The EF Scale"
] | B | The intensity of an earthquake can be determined in many ways. The Mercalli Scale identifies the damage done and what people feel, the Richter Scale measures the height of the largest seismic wave, and the moment magnitude scale measures the total energy released by an earthquake. |
ARC-Easy | arc_04_00686 | Before rock can become soil, it must undergo certain processes. One process in the formation of soil involves plants. How can plants chemically change rocks into soil? | [
"They weather rocks with acid.",
"They strip the rocks of minerals.",
"They break rocks into small pieces.",
"They increase the density of the rocks."
] | A | null |
math_qa | mathqa_03_00902 | a man is 46 years older than his son . in two years , his age will be twice the age of his son . the present age of his son is : | [
"44 years",
"18 years",
"20 years",
"22 years"
] | A | "let the son ' s present age be x years . then , man ' s present age = ( x + 24 ) years . ( x + 46 ) + 2 = 2 ( x + 2 ) x + 48 = 2 x + 4 x = 44 . answer : a" |
sciq | sciq_01_02347 | This inverse relationship between solubility and temperature can be understood by looking at a what? | [
"molecular model",
"nutrient model",
"a slide",
"potassium model"
] | A | This inverse relationship between solubility and temperature can be understood by looking at a molecular model. Recall that higher temperatures are associated with faster particles. Gas particles are held in solution by attractive interactions with the solvent molecules. If the particles are moving slowly, these attrac... |
sciq | sciq_01_00297 | What is the term for very large arrays of tandemly repeating, non-coding dna? | [
"addition dna",
"models dna",
"satellite dna",
"recombinant dna"
] | C | The majority of the human genome is non-coding sequence. These sequences include regulatory sequences, and DNA with unknown functions. These sequences include tandem repeat elements known as satellite DNA , and transposons. Satellite DNA consists of very large arrays of tandemly repeating, non-coding DNA. The repeating... |
math_qa | mathqa_03_03949 | find the circumference and area of radius 11 cm . | [
"124 cm ²",
"144 cm ²",
"380 cm ²",
"284 cm ²"
] | C | "area of circle = π r ² = 22 / 7 × 11 × 11 cm ² = 154 cm ² answer : c" |
sciq | sciq_01_04157 | For photosynthesis to begin, the inputs required are sunlight, water, and what? | [
"phosphorus dioxide",
"carbon dioxide",
"sulfur dioxide",
"methane"
] | B | Recall that the only required ingredients needed for photosynthesis are sunlight, carbon dioxide (CO 2 ), and water (H 2 O). From these simple inorganic ingredients, photosynthetic organisms produce the carbohydrate glucose (C 6 H 12 O 6 ), and other complex organic compounds. Essentially, these producers are changing ... |
medmcqa | medmcqa_05_04229 | Parasympathetic postganglionic fibres are carried by the | [
"Long ciliary nerves",
"Greater petrosal nerves",
"Auriculotemporal nerve",
"Deep petrosal nerve"
] | C | Long ciliary nerves are mixed sensory and sympathetic. Greater petrosal nerves carries preganglionic parasympathetic fibers from the facial nerve to the pterygopalatine ganglion. The deep petrosal nerve carries mainly sympathetic fibres from the superior cervical ganglion and internal carotid plexus. |
math_qa | mathqa_03_03124 | what is the smallest number which when increased by 3 is divisible by 9 , 70 , 25 and 21 ? | [
"2927",
"3147",
"3387",
"3567"
] | B | "when increased by 3 , the number must include at least 2 * 3 ^ 2 * 5 ^ 2 * 7 = 3150 the answer is b ." |
math_qa | mathqa_03_03179 | in an electric circuit , two resistors with resistances m and n are connected in parallel . in this case , if p is the combined resistance of these two resistors , then the reciprocal of p is equal to the sum of the reciprocals of m and n . what is p in terms of m and n ? | [
"( n - m",
"mn / ( m + n",
"( nm",
"( n - m"
] | B | the wording is a bit confusing , though basically we are told that 1 / p = 1 / m + 1 / n , from which it follows that p = mn / ( m + n ) . answer : b |
medmcqa | medmcqa_05_01148 | The depth of water seal in RCA latrine is | [
"1cm",
"2cm",
"5cm",
"12cm"
] | B | RCA latrine TRAP Latrine pan The trap is a bent pipe, about 7.5 cm in diameter and is connected with the pan. It holds water and provides the necessary 'water seal'. The water seal is the distance between the level of water in the trap and the lowest point in the concave upper surface of the trap. The depth of the wate... |
sciq | sciq_01_03099 | Which hormones work together to control the level of glucose in the blood? | [
"insulin and estrogen",
"testosterone and insulin",
"insulin and glucagon",
"serotonin and glucagon"
] | C | The pancreas is located near the stomach. Its hormones include insulin and glucagon. These two hormones work together to control the level of glucose in the blood. Insulin causes excess blood glucose to be taken up by the liver, which stores the glucose as glycogen. Glucagon stimulates the liver to break down glycogen ... |
openbookqa | obqa_02_02976 | Annelida aide the earth by redepositing | [
"trees",
"nutrients",
"air",
"real estate"
] | B | decomposition increases the amount of nutrients in the soil |
ARC-Easy | arc_04_00475 | A scientist plans to investigate the nervous system of sea slugs. What should the scientist do first? | [
"Develop a theory about sea slugs that can be tested.",
"Go to the ocean to observe the behavior of sea slugs.",
"Obtain several sea slugs and conduct experiments with them.",
"Review the research other scientists have done on sea slugs."
] | D | null |
openbookqa | obqa_02_01749 | A bunch of seals are about to deliver and need to make sure they have returned to home for | [
"positive feedback",
"silly nonsense",
"magical purposes",
"reproductive behavior"
] | D | seals every year return to the same beaches to give birth |
math_qa | mathqa_03_04838 | line l passes through the points ( - 2,0 ) and ( 0 , a ) . line ll passes through the points ( 4,0 ) and ( 6,2 ) . what value of a makes the two lines parallel ? | [
"1'",
"2'",
"3'",
"4'"
] | B | find slopes first slope of l = ( a - 0 ) / ( 0 - ( - 2 ) ) = a / 2 slope of ll = ( 2 - 0 ) / ( 6 - 4 ) = 1 for l and ll to be parallel , their slopes must be equal a / 2 = 1 , a = 2 correct answer b |
openbookqa | obqa_02_02428 | A grass snake may make its home in | [
"a jungle",
"a desert",
"a neighborhood",
"a swamp"
] | C | grass snakes live in grass |
sciq | sciq_01_11529 | How do organophostbate pesticides work? | [
"inhibiting cryptosporidium",
"inhibiting acetylcholinesterase",
"inhibiting testosterone",
"inhibiting reticulum"
] | B | |
sciq | sciq_01_00796 | What organs filter wastes from blood so they can be excreted from the body? | [
"pancreas",
"lungs",
"kidneys",
"liver"
] | C | Vertebrates have an excretory system that includes a pair of kidneys. Kidneys are organs that filter wastes from blood so they can be excreted from the body. |
math_qa | mathqa_03_03865 | the effective annual rate of interest corresponding to a nominal rate of 10 % per annum payable half - yearly is ? | [
"10.06 %",
"10.25 %",
"10.35 %",
"16.09 %"
] | B | "amount of rs . 100 for 1 year when compounded half - yearly = [ 100 * ( 1 + 5 / 100 ) 2 ] = rs . 110.25 effective rate = ( 110.25 - 100 ) = 10.25 % answer : b" |
openbookqa | obqa_02_04553 | A cousin to the mole survives on | [
"plants",
"rocks",
"rats",
"rabbits"
] | A | meadow voles eat plants |
medmcqa | medmcqa_05_02365 | Vitamin K is a cofactor in | [
"Carboxylation",
"Hydroxylation",
"Deaminatiom",
"Hydrolysis"
] | A | Refer Katzung 10/e p 549 Vitamin K is involved in activition if various clotting factors as well as anticlotting clotting proteins It carries out the final step in activation of these ors I. E, gamma carboxylation of glutamate residues in these factors |
medmcqa | medmcqa_05_02218 | In brachial plexus nerve arising from root is | [
"Nerve to serratus anterior",
"Axillary nerve",
"Ulnar nerve",
"Suprascapular nerve"
] | A | Nerve to serratus anterior or long thoracic nerve arises from the nerve root of C5-C7. Injury to this nerve causes the condition called winging of scapula due to paralysis of serratus anterior muscle. B D Chaurasia 7th edition Page no: 45 |
ARC-Easy | arc_04_01477 | Which organ is part of the respiratory system? | [
"stomach",
"lungs",
"spinal cord",
"large intestines"
] | B | null |
medmcqa | medmcqa_05_04836 | Buonian line is seen with poisoning of - | [
"Mercury",
"Lead",
"Arsenic",
"Zinc"
] | B | * Lead line (Buonian line) - a bluish line is present on gums. The line formation is due to lead sulphide. Lead sulphide is formed due to action of hydrogen sulphide gas, liberated from the decomposed food in the mouth, with lead. Ref: K.S.Narayan Reddy's Synopsis of Forensic Medicine and Toxicology, 29th edition, Chap... |
openbookqa | obqa_02_02744 | A reflector is used to reflect | [
"light edibles",
"dirt",
"solar heat",
"sunbeams"
] | D | if an object is blue then that object reflects only blue light |
medmcqa | medmcqa_05_03257 | Visual field defect in pituitary tumour with suprasellar extension is: | [
"Visual field defect in pituitary tumour with suprasellar extension is:",
"Binasal hemianopia",
"Homonymous hemianopia",
"Pie in the sky vision"
] | A | A chiasmatic lesion (often owing to a pituitary tumor or a lesion around the sella turcica) can injure the decussating axons of retinal ganglion cells within the optic chiasm. These axons originate in the nasal halves of the two retinas. Thus, this type of lesion produces bitemporal hemianopsia, characterized by blindn... |
openbookqa | obqa_02_02701 | Which likely has an electrical conductor that sends sensation through an organism? | [
"rock",
"ice",
"shrew",
"tree"
] | C | nervous system is an electric conductor |
ARC-Easy | arc_04_01227 | What will most likely result when the jet stream moves south of North Carolina? | [
"North Carolina will experience tropical weather conditions.",
"North Carolina will experience hot, dry weather.",
"North Carolina will experience mild weather.",
"North Carolina will experience cold weather."
] | D | null |
math_qa | mathqa_03_03033 | what is the speed of the stream if a canoe rows upstream at 6 km / hr and downstream at 10 km / hr | [
"1 kmph",
"4 kmph",
"3 kmph",
"2 kmph"
] | D | sol . speed of stream = 1 / 2 ( 10 - 6 ) kmph = 2 kmph . answer d |
openbookqa | obqa_02_03328 | If a cat has a body temp that is below average, it is in | [
"good health",
"a good place",
"danger",
"safe ranges"
] | C | an animal usually requires a warm body temperature for survival |
sciq | sciq_01_00199 | What type of treatment is necessary for anaphylaxis? | [
"intensive care",
"allergy shot",
"outpatient",
"emergency"
] | D | In some people, a food allergy can trigger a severe allergic reaction called anaphylaxis. Emergency treatment is critical for anaphylaxis. Untreated, anaphylaxis can cause a coma or death. Anaphylaxis is vary rare. The vast majority of people will never have an anaphylactic reaction. The life-threatening symptoms of an... |
sciq | sciq_01_00256 | What is the name of the zone where water is deeper than 200 meters called? | [
"aphotic zone",
"euphotic zone",
"eccentric zone",
"transition zone"
] | A | The aphotic zone is water deeper than 200 meters. This is where too little sunlight penetrates for photosynthesis to occur. As a result, producers must make "food" by chemosynthesis , or the food must drift down from the water above. |
ARC-Easy | arc_04_00636 | Which of the following causes a ship’s iron anchor to sink to the ocean floor when it is released overboard? | [
"chemical forces",
"gravity",
"magnetism",
"nuclear forces"
] | B | null |
ARC-Easy | arc_04_01424 | The fur color of a bear varies with its environment. Polar bears found in the Arctic have white fur, while black bears found in Pennsylvania have dark fur. Which best describes the variation of fur color amongst the bear species? | [
"modified characteristic",
"ecological succession",
"structural adaptation",
"selective breeding"
] | C | null |
openbookqa | obqa_02_00883 | A thermal conductor is made of | [
"types of rubber",
"types of wire",
"electrodes",
"that which conducts"
] | D | a thermal conductor is made of materials that conduct thermal energy |
sciq | sciq_01_06421 | The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull. all of the sinuses communicate with the nasal cavity (paranasal = “next to nasal cavity”) and are lined with this? | [
"nasal mucosa",
"respiration mucosa",
"oral mucosa",
"fluid mucosa"
] | A | Paranasal Sinuses The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull (Figure 7.18). All of the sinuses communicate with the nasal cavity (paranasal = “next to nasal cavity”) and are lined with nasal mucosa. They serve to reduce bone mass and thus lighten the skull, and they al... |
openbookqa | obqa_02_04541 | What would classify students in a class differently? | [
"species",
"favorite animal",
"home planet",
"current school"
] | B | classifying means grouping materials by their properties |
sciq | sciq_01_01722 | What is the name of the scientific field that deals with the general study of the solid earth? | [
"chemistry",
"physics",
"geology",
"astronomy"
] | C | Geology is the study of the solid Earth. Geologists study how rocks and minerals form. The way mountains rise up is part of geology. The way mountains erode away is another part. Geologists also study fossils and Earth’s history. There are many other branches of geology. There is so much to know about our home planet t... |
math_qa | mathqa_03_04331 | mariah has decided to hire three workers . to determine whom she will hire , she has selected a group of 10 candidates . she plans to have one working interview with 3 of the 10 candidates every day to see how well they work together . how many days will it take her to have working interviews with all the different com... | [
"720",
"120",
"300",
"30"
] | B | "there are c 310 = 120 different groups of three possible out of 10 candidates and since each of these groups is interviewed every day then total of 120 days are needed . answer : b" |
medmcqa | medmcqa_05_02394 | Which muscle is tested in Froment's sign? | [
"Adductor pollicis",
"Opponens pollicis brevis",
"Flexor pollicis brevis",
"Abductor pollicis"
] | A | FROMENT SIGN: With weakness of the ulnar nerve innervated adductor pollicis muscle, a positive Froment sign may be observed. As the patient tries to hold a piece of paper placed between the thumb and the index finger, the thumb interphalangeal joint flexes in an attempt to substitute flexor pollicis longus activity for... |
math_qa | mathqa_03_02449 | what least number should be added to 1052 , so that the sum is completely divisible by 23 | [
"a",
"b",
"c",
"d"
] | C | "explanation : ( 1052 / 23 ) gives remainder 17 17 + 6 = 23 , so we need to add 6 answer : option c" |
sciq | sciq_01_07866 | If the electromagnetic repulsion between protons is greater than the strong nuclear force of attraction between them, what do they become? | [
"unstable, or radioactive",
"slow , or radioactive",
"destroyed",
"unstable , or experimental"
] | A | The strong nuclear force works only over very short distances. As a result, it isn’t effective if the nucleus gets too big. As more protons are added to the nucleus, the electromagnetic force of repulsion between them gets stronger, while the strong nuclear force of attraction between them gets weaker. This puts an upp... |
ARC-Easy | arc_04_02083 | All these statements concerning galaxies are accurate except | [
"They contain millions of stars.",
"Most can be seen without a telescope.",
"They are millions of light-years apart.",
"Space contains several billion galaxies."
] | B | null |
sciq | sciq_01_02111 | What happens when a sodium atom loses an electron? | [
"combines with hydrogen",
"becomes calcium",
"gains a proton",
"becomes sodium ion"
] | D | By losing an electron, the sodium atom becomes a sodium ion. It now has one less electron than protons, giving it a charge of +1. Positive ions such as sodium are given the same name as the element. The chemical symbol has a plus sign to distinguish the ion from an atom of the element. The symbol for a sodium ion is Na... |
openbookqa | obqa_02_01529 | A book experiences tearing so it | [
"has lost status as whole",
"lacks any real mass",
"is completely intact now",
"is a whole book"
] | A | tearing means changing a whole into pieces |
sciq | sciq_01_02315 | Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what? | [
"very obvious",
"become obvious",
"not obvious",
"this obvious"
] | C | Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is not obvious. |
sciq | sciq_01_08571 | What feature of the land do contour lines show? | [
"trails",
"three-dimensional shape",
"bodies of water",
"flat surfaces"
] | B | Indeed, scientists discovered something astonishing. Many times in Earth’s history, the magnetic poles have switched positions. North becomes south and south becomes north! When the north and south poles are aligned as they are now, geologists say it is normal polarity. When they are in the opposite position, they say ... |
medmcqa | medmcqa_05_04450 | Which of the following does not contribute to glucose by gluconeogenesis? | [
"Lactate",
"Acetyl CoA",
"Pyruvate",
"Oxaloacetate"
] | B | Ans. B. Acetyl-CoA(Ref: Harper 31/e page 172, 173)Lactate from muscle and RBC are converted to glucose in the liver (Coris Cycle)Lactate and Alanine is converted to Pyruvate which can enter into Gluconeogenesis.Oxaloacetate is converted to Phospho enol Pyruvate by PEPCK and enter in to Gluconeogenesis. |
math_qa | mathqa_03_02079 | the original price of a suit is $ 200 . the price increased 30 % , and after this increase , the store published a 30 % off coupon for a one - day sale . given that the consumers who used the coupon on sale day were getting 30 % off the increased price , how much did these consumers pay for the suit ? | [
"$ 182",
"$ 191",
"$ 200",
"$ 209"
] | A | "given the foregoing discussion , it may be obvious now the trap - mistake answer is ( c ) . even if you can ’ t remember the correct thing to do , at the very least , learn to spot the trap ! the multiplier for a 30 % increases is 1 + 0.30 = 1.3 , and the multiplier for a 30 % decrease is 1 – 0.30 = 0.70 , so the comb... |
ARC-Easy | arc_04_01858 | Which animals live part of their lives in water and part on land, and go through metamorphosis? | [
"reptiles",
"amphibians",
"birds",
"mammals"
] | B | null |
sciq | sciq_01_04030 | Some materials have negative heats of solution; the dissolution of one of these solutes in water is called? | [
"endothermic process",
"ionized process",
"exothermic process",
"acetylene process"
] | C | Some materials have negative heats of solution; the dissolution of one of these solutes in water is an exothermic process. Heat is released, causing a net increase in the temperature of the solution. Conversely, other substances have positive heats of solution. For example, the dissolution of potassium nitrate in water... |
sciq | sciq_01_04921 | Name the physical phenomenon of the ocean that has a significant impact on both ocean life and human life. | [
"el nino",
"las nino",
"el nieto",
"el pino"
] | A | 2.11 EL NIÑO Introduction: Consider the physical dynamics of the oceans. WOW! That sounds like trouble! What do “physical dynamics” mean? It sounds hard and boring. Not to fear. Though it may be boring to some of you, it should not be too hard. What is meant by “physical dynamics”? Physical refers to something that is ... |
medmcqa | medmcqa_05_00326 | Best prognostic type of Hodgkin's lymphoma is ? | [
"Lymphocytic predominant",
"Lymphocytic depletion",
"Mixed cellularity",
"Nodular sclerosis"
] | A | Ans. is 'a' i.e., Lymphocytic predominant Prognosis of hodgkin lymphoma mainly depends on the histological type and staging. o Histological type Best prognosis --> Lymphocytic predominent Worst prognosis ---> Lymphocytic depletion type |
sciq | sciq_01_07243 | A quarry, which produces rocks and minerals used to make buildings and roads, is an example of what type of mine? | [
"fracking",
"open-pit mine",
"strip mine",
"gold mine"
] | B | As the name suggests, open-pit mining creates a big pit from which the ore is mined. Figure below shows an open-pit diamond mine in Russia. The size of the pit grows as long as the miners can make a profit. Strip mines are similar to open-pit mines, but the ore is removed in large strips. A quarry is a type of open-pit... |
sciq | sciq_01_07432 | How long does it take for the earth to make a complete rotation of its axis? | [
"24.25 hours",
"one month",
"24 hours",
"one year"
] | C | |
sciq | sciq_01_07980 | What term describes anything that occupies space and has mass, and is generally divided into three states? | [
"lquid",
"matter",
"galaxy",
"stuff"
] | B | Matter is anything that occupies space and has mass. The three states of matter are solid, liquid, and gas. A physical change involves the conversion of a substance from one state of matter to another, without changing its chemical composition. Most matter consists of mixtures of pure substances, which can behomogeneou... |
math_qa | mathqa_03_00725 | in a theater , the first row has 14 seats and each row has 2 more seats than previous row . if the last row has 56 seats , what is the total number of seats in the theater ? | [
"770",
"780",
"790",
"800"
] | A | "the number of seats in the theater is 14 + ( 14 + 2 ) + . . . + ( 14 + 42 ) = 22 ( 14 ) + 2 ( 1 + 2 + . . . + 21 ) = 22 ( 14 ) + 2 ( 21 ) ( 22 ) / 2 = 22 ( 14 + 21 ) = 22 ( 35 ) = 770 the answer is a ." |
math_qa | mathqa_03_04091 | at an election 2 candidates are participated and a candidate got 30 % of votes and defeated by 1000 . and 100 votes are invalid . find the total polled votes ? | [
"2150",
"2600",
"3120",
"1500"
] | B | "winner votes = 100 - 30 = 70 polled votes = [ ( 100 * 1000 ) / 2 * 70 - 100 ] + 100 = 2600 answer is b" |
sciq | sciq_01_00213 | In a monogamous pairing, a male individual is generally paired with what other type of individual in a sexual relationship? | [
"male",
"drone",
"female",
"worker"
] | C | Visit this website (http://openstaxcollege. org/l/sex_selection) for informative videos on sexual selection. In monogamous systems, one male and one female are paired for at least one breeding season. In some animals, such as the gray wolf, these associations can last much longer, even a lifetime. Several explanations ... |
sciq | sciq_01_09480 | Microevolution occurs in a population when what frequencies change over time? | [
"molecule",
"allele",
"eukaryote",
"antenna"
] | B | Microevolution occurs in a population when its allele frequencies change over time. There are four major forces of evolution that cause allele frequencies to change: mutation, gene flow, genetic drift, and natural selection. |
math_qa | mathqa_03_00935 | 108 . triangle a ’ s base is 20 % greater than the base of triangle b , and a ’ s height is 20 % less than the height of triangle b . the area of triangle a is what percent less or more than the area of triangle b ? | [
"0.25 % less'",
"1 % less'",
"equal to each other'",
"1 % more'"
] | A | wish the question specified that we are talking about corresponding height . base of a = 21 / 20 * base of b height of a = 19 / 20 * height of b area of a = ( 1 / 2 ) * base of a * height of a = 21 / 20 * 19 / 20 * area of b = 399 / 400 * area of b area of a is 0.25 % less than the area of b . answer ( a ) |
sciq | sciq_01_05743 | What are small organelles and are the site of protein synthesis? | [
"ribosomes",
"chloroplasts",
"vacuoles",
"nucleus"
] | A | Ribosomes are small organelles and are the site of protein synthesis. Ribosomes are found in all cells. |
math_qa | mathqa_03_00450 | last year department store x had a sales total for december that was 7 times the average ( arithmetic mean ) of the monthly sales totals for january through november . the sales total for december was what fraction of the sales total for the year ? | [
"1 / 4",
"4 / 15",
"1 / 3",
"7 / 18"
] | D | "let avg for 11 mos . = 10 therefore , dec = 70 year total = 11 * 10 + 70 = 180 answer = 70 / 180 = 7 / 18 = d" |
sciq | sciq_01_11237 | The most common curved mirrors are what? | [
"spherical",
"concave",
"solid",
"convex"
] | A | Reflecting surfaces do not have to be flat. The most common curved mirrors are spherical. A spherical mirror is called a concave mirror if the center of the mirror is further from the viewer than the edges are. A spherical mirror is called a convex mirror if the center of the mirror is closer to the viewer than the edg... |
sciq | sciq_01_06370 | What happens to the length of the days in the fall? | [
"they stay the same",
"they get longer",
"they change randomly",
"they get shorter"
] | D | For example, in the fall, when the days start to get shorter, the trees sense that there is less sunlight. The plant is stimulated, and it sends messages telling the leaves to change colors and fall. This is an example of photoperiodism , the reaction of organisms, such as plants, to the length of day or night. Photope... |
math_qa | mathqa_03_02862 | if x , y , and z are positive integers , and 2 x = 5 y = 6 z , then the least possible value of x + y + z is | [
"15",
"26",
"37",
"42"
] | B | "take lcm of 2,5 and 6 = 30 now 2 x = 30 = > x = 15 5 y = 30 = > y = 6 6 z = 30 = > z = 5 15 + 6 + 5 = 26 . option b ." |
sciq | sciq_01_04324 | Which procedure helps modern nuclear physics convert lead into gold? | [
"matter fusion",
"evaporation",
"nuclear bombardment",
"nuclear fission"
] | C | The alchemists were never successful in changing lead into gold. But modern nuclear physics can accomplish this task. Lead is subjected to nuclear bombardment in a particle accelerator. A small amount of gold can be obtained by this process. However, the cost of the procedure is far more than the amount of gold obtaine... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.