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 ⌀ |
|---|---|---|---|---|---|
medmcqa | medmcqa_05_04516 | A syndrome of multiple congenital anomalies including microcephaly, cardiac anomalies and growth retardation has been described in children of women who are heavy users of: | [
"Amphetamines",
"Barbiturates",
"Heroin",
"Ethyl alcohol"
] | D | Teratogenecity of alcohol is the Fetal alcohol syndrome(dose related) which includes pre and post natal growth restriction,facial abnormalities like shoened palpebral fissure,low set ears,smooth philtrum,thinned upper lip, and mid facial hypoplasia CNS defects like microcephaly,mental retardation and behavioral disorde... |
math_qa | mathqa_03_02969 | a is half good a work man as b and together they finish a job in 18 days . in how many days working alone b finish the job ? | [
"23",
"22",
"27",
"36"
] | C | "c 27 wc = 1 : 2 2 x + x = 1 / 18 = > x = 1 / 54 2 x = 1 / 27 = > 27 days" |
ARC-Challenge | arc_04_02648 | Which best describes sexual reproduction in all animals? | [
"Egg and sperm join together.",
"Pollen and seed join together.",
"Offspring have traits of only one parent.",
"Offspring are identical to one parent."
] | A | null |
sciq | sciq_01_10140 | Aging occurs as cells lose their ability to do what? | [
"duplicate",
"divide",
"fold",
"split"
] | B | Aging occurs as cells lose their ability to divide. |
medmcqa | medmcqa_05_02805 | External auditory canal exostosis occurs due to | [
"Repeated instrumentation",
"Recurrent otitis externa",
"Wide external auditory meatus",
"Recurrent prolonged cold water exposure"
] | D | Exostoses are multiple and bilateral, often presenting as smooth, sessile, bony swellings in the deeper pa of the meatus near the tympanic membrane.They often arise from the compact bone. Exostoses is often seen in persons exposed to the entry of cold water in the meatus as in swimmers and divers. Reference: Diseases o... |
medmcqa | medmcqa_05_00816 | The lateral mesoderm is divided into two distinct layers by the formation of the | [
"Extraembryonic coelom",
"Intraembryonic coelom",
"Cardiogenic region",
"Notochord"
] | B | The lateral mesoderm is a subdivision of intraembryonic mesoderm and initially is a solid plate of mesoderm. The intraembryonic coelom forms in the middle of the lateral mesoderm, thereby dividing it into the intraembryonic somatic mesoderm and intraembryonic visceral mesoderm. |
sciq | sciq_01_11147 | What type of climates are found around the equator? | [
"arctics",
"arid",
"tropical",
"tundras"
] | C | Tropical climates are found around the Equator. As you'd expect, these climates have warm temperatures year round. The warm air rises at the Equator. As it rises, it cools, causing it to rain. Tropical climates may be very wet, or wet and dry. |
sciq | sciq_01_08526 | Things that are hydrophobic repel or otherwise don't really mix with what? | [
"water",
"air",
"heat",
"magnets"
] | A | Lignin is a tough carbohydrate molecule that is hydrophobic (“water fearing”). It adds support to vascular tissues in stems. It also waterproofs the tissues so they don’t leak, which makes them more efficient at transporting fluids. Because most other organisms cannot break down lignin, it helps protect plants from her... |
sciq | sciq_01_11677 | High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term? | [
"turbulence",
"supersonic",
"light speed",
"ion speed"
] | B | The modern day formulation of gun powder is called black powder. It is still commonly used today. Its formulation is still quite similar to what was used in 9 th century China. Black powder is considered a low explosive. It is a mixture that burns quickly, but the resulting shock wave travels at subsonic speeds. The sp... |
medmcqa | medmcqa_05_00312 | Process of mixing waste with cement before disposal is known as ? | [
"Ineization",
"Controlled tipping",
"Sanitary landfill",
"Burial"
] | A | Ans. is 'a' i.e., Ineization The process of ineization involves mixing waste with cement and water substances before disposal to minimize the risk of toxic substances contained in the waste migrating into surface water or groundwater. It is especially suitable for pharmaceuticals and for incineration ashes with a high ... |
sciq | sciq_01_01249 | Metabolism is an emergent property of life that arises from orderly interactions between what? | [
"nutrients",
"body systems",
"molecules",
"tissues"
] | C | |
sciq | sciq_01_01737 | What type of energy is used when a roller coaster runs downhill? | [
"residual energy",
"vibrational energy",
"kinetic energy",
"proportional energy"
] | C | For some, the exciting part of a roller coaster is speeding down; for others it is the anticipation of climbing up. While the coaster is being towed up, it is having work done on it. The work done towing it to the top of the hill becomes potential energy stored in the coaster and that potential energy is converted to k... |
sciq | sciq_01_02899 | Similarity of crystal structures is used to categorize what non-living materials? | [
"minerals",
"grains",
"salts",
"corals"
] | A | Mineralogists are scientists who study minerals. They divide minerals into groups based on chemical composition. Even though there are over 4,000 minerals, most minerals fit into one of eight mineral groups. Minerals with similar crystal structures are grouped together. |
math_qa | mathqa_03_04285 | excluding stoppages , the speed of a train is 42 kmph and including stoppages it is 36 kmph . of how many minutes does the train stop per hour ? | [
"7.5",
"8.5",
"9.5",
"4.5"
] | B | t = 6 / 42 * 60 = 8.5 answer : b |
sciq | sciq_01_06677 | What is it called when rays focus at different distances from the lens? | [
"angular aberration",
"spherical aberration",
"constant aberration",
"carbon aberration"
] | B | Figure 26.30 Spherical aberration is caused by rays focusing at different distances from the lens. |
sciq | sciq_01_07452 | The mechanics of dynein-based bending involve a process that resembles what? | [
"standing",
"walking",
"jumping",
"running"
] | B | |
ARC-Easy | arc_04_01628 | What should a scientist do to help make sure the results of an experiment are unbiased? | [
"Keep the results a secret.",
"Do the math without a calculator.",
"Change all of the variables in the experiment.",
"Ask other scientists to attempt to reproduce the results."
] | D | null |
medmcqa | medmcqa_05_00056 | Break bone fever is caused by - | [
"Yellow fever",
"Japaneseencephlitis",
"Denguefever",
"KFD"
] | C | Ans. is 'c' i.e., Dengue fever o Break bone fever (Saddle back fever) is caused by dengue virus.Dengue fevero Dengue fever is caused by arboviruses (at least 4 serotypes have been recognized)o It is transmitted by Aedes (Aedes aegypti is the main vector).o The reservoir of infection is both man and mosquito,o The trans... |
medmcqa | medmcqa_05_02611 | Adson test is used for determining vascular suffiency. It is useful in - | [
"Peripheral vascular disease",
"Varicose veins",
"Cervical rib",
"AV fistula"
] | C | Ans. is 'c' i.e., Cervical rib. Adson test -It is a prorocative test for thoracic outlet syndrome. This test is positive in cases of compression of subclavian artery as noted by a radial pulse deficit when patient is placed in positions provoking compression of subclavian artery by a cervical rib or tightehed anterior ... |
sciq | sciq_01_11486 | What is the most common plant-like protist? | [
"esoteric algae",
"invasive algae",
"unicellular algae",
"mundane algae"
] | C | Ginkgoes, like cycads, has separate female and male plants. The male trees are usually preferred for landscaping because the seeds produced by the female plants smell terrible when they ripen. |
openbookqa | obqa_02_04185 | In which situation would there be the greatest amount of humidity? | [
"in the desert",
"during snowfall",
"before a hurricane",
"on a mountain"
] | C | humidity is the amount of water vapor in the air |
sciq | sciq_01_00504 | Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow. several protist species are parasites that infect animals or plants. a few protist species live on dead organisms or their wastes, and contribute to what? | [
"spontaneous mutation",
"greenhouse gas",
"their decay",
"habitat loss"
] | C | Habitats Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow. Several protist species are parasites that infect animals or plants. A few protist species live on dead organisms or their wastes, and contribute to their decay. |
medmcqa | medmcqa_05_04218 | Sellick manouever is used to prevent: | [
"Alveolar collapse",
"Hypeension",
"Aspiration of Gastric content",
"Bradycardia"
] | C | C i.e. Aspiration of Gastric content |
sciq | sciq_01_00888 | What do skeletal muscles enable the body to do? | [
"look",
"breathe",
"move",
"eat"
] | C | Skeletal Muscles. Skeletal muscles enable the body to move. |
medmcqa | medmcqa_05_02125 | Normal weight of infant at 1 year from bih is: September 2007 | [
"Doubled",
"Trippled",
"Quadrupled",
"Variable increase"
] | B | Ans. B: Trippled Normal Weight Increases: Weight doubles by 6 months of age Weight triples by 1 year of age Weight quadruples by 2 years of age Annual increase (Ages 2-9): 2.0 kg/year |
medmcqa | medmcqa_05_00044 | In majority of the cases with otosclerosis the tympanic membrane is: | [
"Normal",
"Flamingo-pink",
"Blue",
"Yellow"
] | A | Ans. is a i.e. Normal |
ARC-Challenge | arc_04_02362 | Read the description of the experiment below to answer the question. One hundred pea seeds were put in petri dishes and covered with wet paper towels. The petri dishes were then put inside black plastic bags. Half of them were placed in an incubator set to 10°C. The remaining half were placed in an incubator set to 30°... | [
"temperature",
"water",
"light",
"seed type"
] | A | null |
sciq | sciq_01_03452 | What are small gnawing mammals such as rats and mice called? | [
"miniatures",
"rodents",
"furries",
"marsupials"
] | B | Rodents include rats, mice, and other small gnawing mammals. They have a single pair of continuously growing incisors (teeth) in each of the upper and lower jaws that must be kept short by gnawing. |
sciq | sciq_01_04817 | What happens to a tectonic plate when it subducts? | [
"it warms",
"it sinks",
"it cracks",
"it melts"
] | D | Composite volcanoes are common along convergent plate boundaries. When a tectonic plate subducts, it melts. This creates the thick magma needed for these eruptions. The Pacific Ring of Fire is dotted by composite volcanoes. |
sciq | sciq_01_05677 | Protein chains containing 10 or fewer amino acids are usually referred to as what? | [
"polypeptides",
"protons",
"peptides",
"carboxyl"
] | C | the conditions, amino acids can act as either acids or bases, which means that proteins act as buffers. The pH at which an amino acid exists as the zwitterion is called theisoelectric point (pI). The amino acids in a protein are linked together by peptide bonds. Protein chains containing 10 or fewer amino acids are usu... |
sciq | sciq_01_08191 | Each silicon atom shares how many valence electrons with other silicon atoms in a crystal? | [
"four",
"ten",
"three",
"five"
] | A | Each silicon atom has four valence electrons it shares with other silicon atoms in a crystal. A semiconductor is formed by replacing a few silicon atoms with other atoms that have more or less valence electrons than silicon. |
ARC-Easy | arc_04_00233 | A class is studying textures and collects several samples. Which of these items would the students most likely use magnification to study? | [
"hair",
"cheese",
"plastic spoon",
"aluminum foil"
] | A | null |
sciq | sciq_01_05066 | What device detects and measuresee earthquake waves? | [
"seismograph",
"polygraph",
"stenograph",
"sphygmomanometer"
] | A | Although the idea that Earth is a magnet is centuries old, the discovery of why Earth is a magnet is a relatively new. In the early 1900s, scientists started using seismographic data to learn about Earth’s inner structure. A seismograph detects and measure earthquake waves. Evidence from earthquakes showed that Earth h... |
sciq | sciq_01_07205 | What is the muscular organ that nourishes and supports the growing embryo? | [
"ovary",
"fallopian tube",
"stomach",
"uterus"
] | D | The Uterus and Cervix The uterus is the muscular organ that nourishes and supports the growing embryo (see Figure 27.14). Its average size is approximately 5 cm wide by 7 cm long (approximately 2 in by 3 in) when a female is not pregnant. It has three sections. The portion of the uterus superior to the opening of the u... |
sciq | sciq_01_03433 | What are the 3 orders of amphibians? | [
"bees, caddisflies, antilions",
"hagfish, lampreys, acanthodii",
"monotremata, artiodactyla, rodentia",
"frogs, salamanders, caecilians"
] | D | There are only about 6200 known species of amphibians. They are placed in three orders: frogs, salamanders, and caecilians. Table below shows a picture of an amphibian in each order. It also provides additional information about the orders. |
sciq | sciq_01_01396 | Covalent bond energies can be used to estimate the enthalpy changes of what? | [
"crystals reactions",
"Pressure reactions",
"chemical reactions",
"liquid reactions"
] | C | Covalent bond energies can be used to estimate the enthalpy changes of chemical reactions. |
sciq | sciq_01_06103 | Oxygen, carbon, hydrogen and what other element make up approximately 96% of living matter? | [
"calcium",
"silicon",
"nitrogen",
"helium"
] | C | |
math_qa | mathqa_03_01962 | a cricketer scored 152 runs which included 12 boundaries and 2 sixes . what percent of his total score did he make by running between the wickets . | [
"46.2 %",
"54.54 %",
"60.52 %",
"70 %"
] | C | "explanation : number of runs made by running = 152 - ( 12 x 4 + 2 x 6 ) = 152 - ( 60 ) = 92 now , we need to calculate 92 is what percent of 152 . = > 92 / 152 * 100 = 60.52 % answer : c" |
sciq | sciq_01_00846 | What must molecules have to be cis-trans isomers? | [
"single bond",
"double bond",
"last bond",
"triple bond"
] | B | Which of the following statements is false? a. Molecules with the formulas CH3CH2COOH and C3H6O2 could be structural isomers. Molecules must have a double bond to be cis-trans isomers. To be enantiomers, a molecule must have at least three different atoms or groups connected to a central carbon. To be enantiomers, a mo... |
sciq | sciq_01_01711 | Each nitrogenous base has one or two rings that include which atoms? | [
"oxygen",
"nitrogen",
"carbon",
"hydrogen"
] | B | |
openbookqa | obqa_02_01771 | what do planets orbit? | [
"asteroids",
"moons",
"burning hydrogen ball",
"they are orbitless"
] | C | planets orbit stars |
sciq | sciq_01_04748 | What mirrors diverge light rays and, thus, have a negative focal length? | [
"concave",
"diffraction",
"curved",
"convex"
] | D | behind the mirror. Convex mirrors diverge light rays and, thus, have a negative focal length. |
sciq | sciq_01_05694 | The constant "c" can be specifically used to represent the (extremely fast) speed of what? | [
"light",
"electricity",
"gravity",
"sound"
] | A | n = cv , where v is the observed speed of light in the material. Since the speed of light is always less than only in a vacuum, the index of refraction is always greater than or equal to one. |
sciq | sciq_01_07797 | What is the term for the length of the route between two points? | [
"distance",
"trajectory",
"area",
"length"
] | A | Distance is the length of the route between two points. The SI unit for distance is the meter (m). |
sciq | sciq_01_11510 | What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer? | [
"diet",
"smoking",
"drinking",
"exercise"
] | B | Smoking is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer. Exposure to tobacco smoke by smoking or by breathing air that contains tobacco smoke is the leading cause of preventable death in the United States. Regular smokers die about 10 years earlier than nonsmokers do. The ... |
ARC-Easy | arc_04_00040 | Over geologic time, global mean sea level has varied significantly. Which change is most likely responsible for an increase in global mean sea level? | [
"erosion of sediment from a mountain range",
"mass extinction of marine organisms",
"formation of an ocean trench",
"melting of polar ice caps"
] | D | null |
sciq | sciq_01_10632 | What occurs when a parent cell splits into two identical daughter cells of the same size? | [
"fission",
"fusion",
"diffusion",
"division"
] | A | Fission Occurs when a parent cell splits into two identical daughter cells of the same size. Bacteria, Protists, Unicellular Fungi. |
sciq | sciq_01_11418 | What do you call the point at which the entire weight of a body may be considered to be concentrated? | [
"direction of gravity",
"complex of gravity",
"center of gravity",
"center of earth"
] | C | Every object has a center of gravity . The center of gravity is the point at which the entire weight of a body may be considered to be concentrated; if supported at this point, the body would remain in equilibrium in any position. For example, if we were discussing a 12-inch ruler, the center of gravity for the ruler w... |
medmcqa | medmcqa_05_00715 | Prevention of emergence of risk factor is: | [
"Primordial prevention",
"Primary prevention",
"Secondary prevention",
"Teiary prevention"
] | A | Primordial prevention |
ARC-Easy | arc_04_00054 | Overuse of soil for farming causes local disruptions of several Earth subsystems. Which of these is a part of the biogeochemical cycle that experiences the most severe local disruption? | [
"release of carbon into the atmosphere",
"release of oxygen into the atmosphere",
"cycling phosphorus into the soil",
"cycling hydrogen into the soil"
] | C | null |
medmcqa | medmcqa_05_04340 | Most common causative agent of UTI in females - | [
"Staph saprophyticus",
"E.coli",
"Klebsiella",
"Proteus"
] | B | Ans. is 'b' i.e., E. coli o E. coli causes 80-90% of acute uncomplicated bacterial lower tract infections (cystitis) in young women. |
openbookqa | obqa_02_03212 | Which of the following is most likely to occur? | [
"rice grains absorb other rice grains",
"humans absorb other humans",
"Play-Doh absorbs other colors of Play-Doh",
"sponges absorb other sponges"
] | C | if something absorbs something else then that something will contain that something else |
ARC-Challenge | arc_04_02689 | In pea plants, the allele for smooth peas is dominant (S). If a heterozygous smooth pea plant (Ss) is crossed with a homozygous smooth pea plant (SS), which are the possible genotypes the offspring could have? | [
"only SS",
"only Ss",
"Ss or SS",
"ss or SS"
] | C | null |
sciq | sciq_01_04956 | What do you call it when adult fish of the same species come together in a group and release gametes into the water at the same time? | [
"poaching",
"migration",
"schoaling",
"spawning"
] | D | Nearly all fish reproduce sexually and have separate sexes. Fertilization is generally external, and most fish are oviparous. Many adults of the same species may come together in a group and release gametes into the water at the same time, which is called spawning. Fish hatch into larvae that are different from the adu... |
math_qa | mathqa_03_04475 | john left home and drove at the rate of 45 mph for 2 hours . he stopped for lunch then drove for another 3 hours at the rate of 50 mph to reach his destination . how many miles did john drive ? | [
"235 miles .",
"245 miles .",
"240 miles .",
"265 miles ."
] | C | the total distance d traveled by john is given by d = 45 * 2 + 3 * 50 = 240 miles . answer c |
ARC-Challenge | arc_04_02773 | One property of liquids is that they have a definite | [
"flexibility",
"temperature",
"volume",
"shape"
] | C | null |
sciq | sciq_01_11194 | Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike? | [
"mass extinction",
"fire",
"drought",
"avalanche"
] | B | Fires, which are a natural disturbance in temperate grasslands, can be ignited by lightning strikes. It also appears that the lightning-caused fire regime in North American grasslands was enhanced by intentional burning by humans. When fire is suppressed in temperate grasslands, the vegetation eventually converts to sc... |
sciq | sciq_01_00719 | Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element? | [
"silicon",
"carbon",
"methane",
"oxygen"
] | D | Aldehydes, ketones, carboxylic acids, esters, and ethers h ave oxygencontaining functional groups. |
sciq | sciq_01_09851 | Along with other functions, what do carbohydrates, proteins, and lipids provide for the body? | [
"hydrogen",
"muscle",
"energy",
"carbon"
] | C | Carbohydrates, proteins, and lipids provide energy and have other important roles in the body. |
medmcqa | medmcqa_05_04519 | Hyoid bone is closely associated with | [
"Ludwig's angina",
"Thyroglossal cyst",
"Branchial cyst",
"Cystic hygroma"
] | B | Hyoid bone is closely associated with the thyroglossal tract from which thyroglossal cyst & fistula originate, thus during surgical excision of the thyroglossal cyst or fistula, the central pa of the hyoid bone is excised (otherwise recurrence may occur). Ref : Bailey Love 25/e p730 |
math_qa | mathqa_03_03803 | let the least number of 6 digits , which when divided by 4 , 610 and 15 leaves in each case the same remainder of 2 , be n . the sum of the digits in n is : | [
"3",
"4",
"5",
"6"
] | C | solution least number of 6 digital is 100000 . l . c . m . of 4 , 610 and 15 = 60 . on dividing 100000 by 60 , the remainder obtained is 40 . so , least number of 6 digits divisible by 4 , 610 and 15 = 100000 + ( 60 - 40 ) = 100020 . so , n = ( 100020 + 2 ) = 100022 . sum of digits in n = ( 1 + 2 + 2 ) = 5 . answer c |
math_qa | mathqa_03_00028 | a cube is divided into 125 identical cubelets . each cut is made parallel to some surface of the cube . but before doing that , the cube is painted with green on one set of opposite faces , red on another set of opposite faces , and blue on the third set of opposite faces . how many cubelets are painted with exactly on... | [
"36",
"42",
"48",
"54"
] | D | "each side of the cube has 5 x 5 = 25 cubelets . only the interior cubelets are painted one colour . on each side , 3 x 3 = 9 cubelets are painted one colour . since the cube has six sides , the number of cubes with one colour is 6 * 9 = 54 the answer is d ." |
math_qa | mathqa_03_04225 | a certain shade of gray paint is obtained by mixing 3 parts of white paint with 5 parts of black paint . if 2 gallons of the mixture is needed and the individual colors can be purchased only in one gallon or half gallon cans , what is the least amount of paint t , in gallons , that must be purchased in order to measure... | [
"2",
"2 1 / 2",
"3",
"3 1 / 2"
] | B | "given w : b = 3 : 5 that means say 3 gallons of white paint + 5 gallons of black paint = 8 gallons of paint mixture . but we want least amount of whiteblack paints for minimum of 2 gallons of mixture , so lets reduce keeping same ratio , 1.5 : 2.5 gives 1.5 + 2.5 = 4 gallons of mixture , but we want only 2 gallons , l... |
sciq | sciq_01_04306 | What is the ring of hooks tapeworms use to attach themselves? | [
"scolex",
"cilia",
"dewlap",
"flagella"
] | A | Tapeworms and flukes have suckers and other structures for feeding on a host. Tapeworms also have a scolex , a ring of hooks on their head to attach themselves to the host (see Figure below ). Unlike other invertebrates, tapeworms lack a mouth and digestive system. Instead, they absorb nutrients directly from the host’... |
sciq | sciq_01_04340 | What is the atomic number of magnesium? | [
"8",
"17",
"12",
"25"
] | C | REVIEW QUESTIONS 2. Magnesium has an atomic number of 12. Which of the following statements is true of a neutral magnesium atom? a. |
medmcqa | medmcqa_05_04872 | Drug that does not cause dependence: UPSC 14 | [
"LSD",
"Cannabis",
"Benzodiazepine",
"Opioids"
] | A | Ans. LSD |
sciq | sciq_01_11440 | What organ protects the body from injury, water loss, and microorganisms? | [
"liver",
"heart",
"skin",
"hair"
] | C | Skin protects the body from injury, water loss, and microorganisms. It also plays a major role in maintaining a stable body temperature. Common skin problems include acne and skin cancer. |
medmcqa | medmcqa_05_02299 | Toxic shock syndrome is Staphylococcus infection is due to - | [
"Superantigen",
"Alpha-hemolysis",
"Coagulase",
"Penton Valentine factor"
] | A | Ans. is 'a' i.e., Superantigen |
medmcqa | medmcqa_05_03432 | Reaction occuring in conversion of norepinephrine to epinephrine- | [
"Hydroxylation",
"Oxidation",
"Glucuronidation",
"Methylation"
] | D | Ans. is 'd' i.e., MethylationDopaTyrosine hydroxylase--------- Tyrosinase ..-------- DopaTyrosine|Dopa decarboxylase| | TyrosinaseDopamine Throxine (T4)Dopaquinone|b-oxidaseTriiodothyronine|(b-bydroxylase) NorepinephrineMelanin|N -methyl transferase (N-methylation)Epinephrine |
openbookqa | obqa_02_04605 | In the 60's people watched on TV while for the first time people walked on | [
"a high rooftop in a major city",
"a satellite without much air in our solar system",
"the edge of a cliff in the mountains",
"a beach in Brazil"
] | B | the solar system contains the moon |
openbookqa | obqa_02_04902 | What would a sedimentary rock likely hold? | [
"a trilobyte",
"a cookie",
"a wheatgrass shake",
"a diner"
] | A | nearly all fossils are found in sedimentary rock |
sciq | sciq_01_04793 | Magnetic resonance imaging devices use what to cool the superconducting magnets? | [
"fluorocarbons",
"antifreeze",
"liquid nitrogen",
"dry ice"
] | C | Magnetic resonance imaging (NMR) devices use liquid nitrogen to cool the superconducting magnets. Nitrogen is a gas at room temperature and liquefies at -195.8°C. Its neighbor on the periodic table (oxygen) boils at -182.95°C. The interactions between nitrogen molecules (N 2 ) are weaker, so the boiling point is lower.... |
sciq | sciq_01_05071 | Red blood cells, white blood cells, and platelets are all produced where? | [
"in synovial fluid",
"in collagen",
"in yellow marrow",
"in red marrow"
] | D | energy. Red marrow is where hematopoiesis—the production of blood cells—takes place. Red blood cells, white blood cells, and platelets are all produced in the red marrow. |
openbookqa | obqa_02_02118 | A squirrel expires in the spring and in the fall | [
"the corpse is glowing",
"the corpse is decomposed",
"the corpse is melted",
"the corpse is flying"
] | B | dead organisms rot |
sciq | sciq_01_02695 | The presence of what makes soil hold together more tightly and enables it to hold more water? | [
"clay",
"salt",
"sand",
"glass"
] | A | Soils with lots of very small spaces are water-holding soils. When clay is present in a soil, the soil holds together more tightly. Clay-rich soil can hold more water. |
sciq | sciq_01_06670 | What type of behavior has the advantage of being flexible and capable of changing to suit changing conditions? | [
"saved behavior",
"noted behavior",
"learned behavior",
"inherited behavior"
] | C | Most animals are capable of learning, but animals that are more intelligent are better at learning and depend more on learned behaviors. The big advantage of learned behaviors over innate behaviors is that learned behaviors are flexible. They can be changed to suit changing conditions. |
sciq | sciq_01_05005 | What category of joints is immovable? | [
"synarthrosis",
"sporozoans",
"amphiarthroses",
"diarthroses"
] | A | Classification of Joints on the Basis of Function The functional classification divides joints into three categories: synarthroses, amphiarthroses, and diarthroses. A synarthrosis is a joint that is immovable. This includes sutures, gomphoses, and synchondroses. Amphiarthroses are joints that allow slight movement, inc... |
ARC-Easy | arc_04_00319 | Solar radiation has a part in the water cycle by | [
"affecting ocean tides.",
"helping in the absorption of groundwater.",
"determining the type of clouds formed.",
"changing water to a vapor."
] | D | null |
sciq | sciq_01_09686 | What consists of all the biotic and abiotic factors in an area and their interactions? | [
"community",
"macroevolution",
"habitat",
"ecosystem"
] | D | An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. |
medmcqa | medmcqa_05_01598 | CO2 diffuses more easily through the respiratory membrane than 02 because it is: | [
"Less dense",
"More soluble in plasma",
"Less molecular weight",
"Less PCO2 in the alveoli"
] | B | More soluble in plasma Diffusion of gases through the tissues or respiratory membrane depends on the solubility of the gas in lipids; but since all the gases of respiratory impoance are all highly soluble in lipids the diffusion through the tissues would depend on diffusion of gases in tissue water. The diffusion of ga... |
sciq | sciq_01_07430 | The “knee-jerk" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior? | [
"spasm",
"sensor",
"reflex",
"reaction"
] | C | Innate Behaviors: Movement and Migration Innate or instinctual behaviors rely on response to stimuli. The simplest example of this is a reflex action, an involuntary and rapid response to stimulus. To test the “knee-jerk” reflex, a doctor taps the patellar tendon below the kneecap with a rubber hammer. The stimulation ... |
sciq | sciq_01_10743 | What occurs when the cartilage at the ends of the bones breaks down? | [
"osteoporosis",
"osteoarthritis",
"stress fracture",
"rheumatism"
] | B | Osteoarthritis occurs when the cartilage at the ends of the bones breaks down. The break down of the cartilage leads to pain and stiffness in the joint. Decreased movement of the joint because of the pain may lead to weakening of the muscles that normally move the joint, and the ligaments surrounding the joint may beco... |
ARC-Easy | arc_04_01069 | Which adaptation allows a fish to get oxygen underwater? | [
"fins",
"lungs",
"gills",
"heart"
] | C | null |
sciq | sciq_01_11550 | Where are temperatures the lowest? | [
"in asia",
"at the poles",
"over the oceans",
"at the equator"
] | B | At the poles, the Sun’s rays are least direct. Much of the area is covered with ice and snow, which reflect a lot of sunlight. Temperatures are lowest here. |
sciq | sciq_01_03907 | Within a group, the ionization energy decreases as the size of the atom gets what? | [
"smaller",
"lighter",
"brighter",
"larger"
] | D | Within a group, the ionization energy decreases as the size of the atom gets larger. On the graph, we see that the ionization energy increases as we go up the group to smaller atoms. In this situation, the first electron removed is farther from the nucleus as the atomic number (number of protons) increases. Being farth... |
sciq | sciq_01_09114 | When methane burns, what is produced along with carbon dioxide? | [
"water",
"nitrogen",
"hydrogen",
"oxygen"
] | A | Compounds can also react with oxygen, possibly creating oxides of more than one element. When methane burns, carbon dioxide and water are produced. |
ARC-Challenge | arc_04_02973 | The liver converts glucose to glycogen for storage. Why is this function considered a chemical change? | [
"because the conversion transforms solids to liquids",
"because the conversion allows for less glucose in the liver",
"because the conversion changes one substance to a new one",
"because the conversion changes the shape of the liver cells"
] | C | null |
ARC-Challenge | arc_04_02616 | The human skin plays an important role in a variety of organ systems. Which organ system is least likely to have a direct interaction with the skin? | [
"digestive",
"excretory",
"immune",
"nervous"
] | A | null |
sciq | sciq_01_08268 | When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what? | [
"gas",
"electron shell",
"mixture",
"solid"
] | D | When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the solid. Each ion goes its own way in solution. Saylor URL: http://www. saylor. org/books. |
sciq | sciq_01_01083 | The major component of a solution is called what? | [
"water",
"mixture",
"solute",
"solvent"
] | D | The major component of a solution is called the solvent. The minor component of a solution is called the solute. By major and minor we mean whichever component has the greater presence by mass or by moles. Sometimes this becomes confusing, especially with substances with very different molar masses. However, here we wi... |
sciq | sciq_01_01420 | What move the body by contracting against the skeleton? | [
"tissues",
"hormones",
"muscles",
"nerves"
] | C | Muscles move the body by contracting against the skeleton. |
medmcqa | medmcqa_05_02429 | Least mineralocoicoid activity is seen in | [
"Aldosterone",
"Aldosterone",
"Dexamethasone",
"Flurotisol"
] | C | C i.e. Dexamethasone |
sciq | sciq_01_07689 | What is the beneficial function to the body of sweating? | [
"pheromone release",
"regulating body temperature",
"diuretic effect",
"calorie loss"
] | B | Sweating regulates body temperature. The composition of the sweat determines whether body odor is a byproduct of sweating. Visit this link (http://openstaxcollege. org/l/sweating) to learn more about sweating and body odor. |
sciq | sciq_01_05812 | What bonds cause water to have a high boiling point, leaving most water on earth in a liquid state rather than in a gaseous state? | [
"helium bonds",
"hydrogen bonds",
"potassium bonds",
"carbon bonds"
] | B | Hydrogen bonds cause water to have a relatively high boiling point of 100°C (212°F). Because of its high boiling point, most water on Earth is in a liquid state rather than in a gaseous state. Water in its liquid state is needed by all living things. Hydrogen bonds also cause water to expand when it freezes. This, in t... |
medmcqa | medmcqa_05_04660 | The neurons may get irreversibly damaged if exposed to significant hypoxia for : | [
"8 min",
"2 min",
"30 sec",
"15 sec"
] | A | A i.e. 8 min |
sciq | sciq_01_04237 | Cells in green algae divide along cell plates called what? | [
"phragmoplasts",
"chloroplasts",
"xanthophylls",
"cellulose"
] | A | Streptophytes Until recently, all photosynthetic eukaryotes were considered members of the kingdom Plantae. The brown, red, and gold algae, however, have been reassigned to the Protista kingdom. This is because apart from their ability to capture light energy and fix CO2, they lack many structural and biochemical trait... |
medmcqa | medmcqa_05_01591 | The genetic defect associated with decreased response to interferon therapy to Hepatitis C is: | [
"IL28B",
"IL15",
"c-KIT",
"NAT2"
] | A | Some patients with hepatitis C may not respond well to treatment with interferon as expected. They are harboring genetic variation in IL28B usually. Ref: Harrison, Edition-18, Page-42 |
ARC-Easy | arc_04_01900 | Which of the statements is the most accurate in describing the chemical equation shown below? 2H_{2}(g) + O_{2}(g) -> 2H_{2}O(g) + energy | [
"A solid is produced.",
"Energy is released.",
"Energy is absorbed.",
"Equal numbers of molecules are on both sides of the arrow."
] | B | null |
sciq | sciq_01_02110 | What term describes the rate at which a device changes electric current to another form of energy? | [
"voltage",
"kinetic energy",
"kilowatts",
"electric power"
] | D | The rate at which a device changes electric current to another form of energy is called electric power . The SI unit of power—including electric power—is the watt. A watt equals 1 joule of energy per second. High wattages are often expressed in kilowatts, where 1 kilowatt equals 1000 watts. The power of an electric dev... |
sciq | sciq_01_03730 | What type of energy travels through matter in wave form? | [
"light",
"vibrational",
"sound",
"magnetic"
] | C | Sound is a form of energy that travels in waves through matter. The ability to sense sound energy and perceive sound is called hearing . The organ that we use to sense sound energy is the ear. Almost all the structures in the ear are needed for this purpose. Together, they gather sound waves, amplify the waves, and cha... |
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