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_06233 | What important liquid is stored throughout the earth in the oceans, underground, and in ice? | [
"oil",
"air",
"lava",
"water"
] | D | Water cycling is extremely important to ecosystem dynamics. Water has a major influence on climate and, thus, on the environments of ecosystems, some located on distant parts of the Earth. Most of the water on Earth is stored for long periods in the oceans, underground, and as ice. Figure 46.13 illustrates the average ... |
ARC-Challenge | arc_04_02957 | Which system has layers of smooth muscle tissue that contract to move solid and liquid nutrients and waste through the body? | [
"respiratory",
"skeletal",
"endocrine",
"digestive"
] | D | null |
sciq | sciq_01_00767 | Which cycle is named after the scientist melvin calvin? | [
"melcal cycle",
"melvin cycle",
"krebs cycle",
"calvin cycle"
] | D | The second stage of photosynthesis takes place in the stroma surrounding the thylakoid membranes of the chloroplast. The reactions of this stage can occur without light, so they are sometimes called light-independent or dark reactions. This stage of photosynthesis is also known as the Calvin cycle because its reactions... |
math_qa | mathqa_03_01922 | worker a takes 10 hours to do a job . worker b takes 12 hours to do the same job . how long it take both a & b , working together but independently , to do the same job ? | [
"40 days",
"40 / 9 days",
"60 / 11 days",
"30 / 9 days"
] | C | "a ' s one hour work = 1 / 10 . b ' s one hour work = 1 / 12 . ( a + b ) ' s one hour work = 1 / 10 + 1 / 12 = 11 / 60 . both a & b can finish the work in 60 / 11 days c" |
sciq | sciq_01_02149 | What do scientists believe are the oldest eukaryotes? | [
"arthropods",
"worms",
"protists",
"prokaryotes"
] | C | Scientists think that protists are the oldest eukaryotes. They most likely evolved from prokaryotic cells, as explained by the endosymbiotic theory. This theory is well-supported by evidence. |
sciq | sciq_01_01683 | What do electromagnetic receptors detect? | [
"dangerous radiation",
"electromagnetic radiation",
"subtle radiation",
"background radiation"
] | B | |
sciq | sciq_01_02063 | The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming? | [
"carbon dioxide",
"argon",
"liquid dioxide",
"iron oxide"
] | A | Most scientists agree that global warming is caused by more carbon dioxide in the atmosphere (see Figure below ). This increases the greenhouse effect. There is more carbon dioxide mainly because of the burning of fossil fuels. Destroying forests is another cause. With fewer forests, less carbon dioxide is removed from... |
math_qa | mathqa_03_02050 | find the l . c . m of 16 , 25 , 24 and 10 . | [
"1000",
"1400",
"1320",
"1200"
] | D | "explanation : 4 x 5 x 2 x 3 x 5 x 2 = 1200 answer : option d" |
openbookqa | obqa_02_04108 | After being driven, a car's hood feels | [
"furry",
"hotter",
"soft",
"cold"
] | B | a car engine is a source of heat |
math_qa | mathqa_03_01171 | walking at 5 / 6 th of its usual speed a cab is 8 mnts late . find its usual time to cover the journey ? | [
"25 m",
"45 m",
"40 m",
"50 m"
] | C | "new speed = 5 / 6 th of usual speed new time = 6 / 5 th of usual time 6 / 5 ut - ut = 8 m ut / 5 = 8 m ut = 40 m answer is c" |
sciq | sciq_01_00696 | Fitness and natural selection are parts of what theory that might describe how organisms change over time? | [
"evolution",
"implementation",
"dessication",
"gravity"
] | A | All of these animal behaviors are important. They help the animals get food for energy, make sure their young survive, or ensure that they, themselves, survive. Behaviors that help animals or their young survive, increase the animals’ fitness. Animals with higher fitness have a better chance of passing their genes on t... |
sciq | sciq_01_05098 | What is formed when an element gains one or more electrons? | [
"anion",
"cation",
"ion",
"neutron"
] | A | When an element gains one or more electrons, an anion is formed. Nonmetals typically become anions when they interact with other chemical species. |
openbookqa | obqa_02_00238 | Mothers have many roles, one of which is | [
"gestating and birthing",
"making good dinner",
"creating fun activities",
"watching the babies"
] | A | a mother births offspring |
math_qa | mathqa_03_02274 | joe went on a diet 4 months ago when he weighed 212 pounds . if he now weighs 188 pounds and continues to lose at the same average monthly rate , in approximately how many months will he weigh 160 pounds ? | [
"3",
"3.5",
"4",
"4.5"
] | D | "212 - 188 = 24 pounds lost in 4 months 24 / 4 = 6 , so joe is losing weight at a rate of 6 pounds per month . . . . in approximately how many months will he weigh 160 pounds ? a simple approach is to just list the weights . now : 188 lbs in 1 month : 182 lbs in 2 months : 176 lbs in 3 months : 170 lbs in 4 months : 16... |
openbookqa | obqa_02_00323 | A ruler is used for measuring the length of what? | [
"distance between cities",
"air",
"stuff",
"motivation"
] | C | a ruler is used for measuring the length of an object |
sciq | sciq_01_03828 | What do mammals conserve heat with? | [
"tendons or hair",
"skin or bones",
"fur or muscle",
"hair or fur"
] | D | Mammals conserve heat with their hair or fur. It works like the layer of insulation in the walls of a house. It traps warm air next to the skin so it can’t escape into the environment. Like the squirrel in Figure below , most mammals can make their hair or fur stand up from the skin. This makes it a better insulator. M... |
sciq | sciq_01_01578 | What is the term for the most abundant species in a community, characterized by high competitive abilities? | [
"merging species",
"carnivores",
"dominant species",
"keystone species"
] | C | |
sciq | sciq_01_00769 | What force increases a slide downhill and decreases a slide uphill? | [
"gravity",
"frictional",
"nuclear",
"tension"
] | A | Discussion As might have been expected, the player slides a shorter distance by sliding uphill. Note that the problem could also have been solved in terms of the forces directly and the work energy theorem, instead of using the potential energy. This method would have required combining the normal force and force of gr... |
openbookqa | obqa_02_01886 | Sunlight is a source of light from what? | [
"lamps",
"lightbulbs",
"local star",
"star actor"
] | C | the sun is a source of light called sunlight |
ARC-Easy | arc_04_01344 | Which statement is an opinion? | [
"Chemistry and Physics are major branches of science.",
"Life Science is a subject filled with interesting information.",
"Geology and Oceanography are subjects in Earth Science.",
"Biology is a science that studies complex organisms."
] | B | null |
sciq | sciq_01_07349 | Cranial nerves convey specific sensory information from the head and neck directly to what organ? | [
"brain",
"heart",
"nose",
"eye"
] | A | Cranial Nerves Cranial nerves convey specific sensory information from the head and neck directly to the brain. For sensations below the neck, the right side of the body is connected to the left side of the brain and the left side of the body to the right side of the brain. Whereas spinal information is contralateral, ... |
sciq | sciq_01_01706 | Photosynthesis converts carbon dioxide and water into what? | [
"glutamate",
"insulin",
"glucose",
"carbon"
] | C | In food chemistry, the substances known as antioxidants are reducing agents. Ascorbic acid (vitamin C; C6H8O6) is thought to retard potentially damaging oxidation of living cells. In the process, it is oxidized to dehydroascorbic acid (C6H6O6). In the stomach, ascorbic acid reduces the nitrite ion (NO2−) to nitric oxid... |
openbookqa | obqa_02_00827 | which of these can alter its appearance naturally to evade being captured? | [
"a little chameleon",
"a human being",
"a lion",
"a goat"
] | A | An example of camouflage is an organism looking like leaves |
math_qa | mathqa_03_00122 | find 12 × × 19 | [
"238",
"228",
"208",
"277"
] | B | "mentally imagine this number as ( 10 + 2 ) × × 19 = 190 + 38 = 228 . answer : b" |
math_qa | mathqa_03_03217 | in an office , 30 percent of the workers have at least 5 years of service , and a total of 16 workers have at least 10 years of service . if 90 percent of the workers have fewer than 10 years of service , how many of the workers have at least 5 but fewer than 10 years of service ? | [
"480",
"48",
"50",
"144"
] | B | "( 10 / 100 ) workers = 16 = > number of workers = 160 ( 30 / 100 ) * workers = x + 16 = > x = 48 answer b" |
math_qa | mathqa_03_01263 | if ( x + yi ) / i = ( 7 + 9 i ) , where x and y are real , what is the value of ( x + yi ) ( x - yi ) ? | [
"110",
"120",
"130",
"140"
] | C | ( x + yi ) / i = ( 7 + 9 i ) ( x + yi ) = i ( 7 + 9 i ) = - 9 + 7 i ( x + yi ) ( x - yi ) = ( - 9 + 7 i ) ( - 9 - 7 i ) = 81 + 49 = 130 correct answer is c 0130 |
medmcqa | medmcqa_05_00492 | Vitamin not required in TCA cycle ? | [
"Niacin",
"Riboflavin",
"Thiamine",
"Folic acid"
] | D | Ans. is 'd' i.e., Folic acid Four of the B vitamins are essential in the citric acid cycle : Riboflavin, in the form of flavin adenine dinucleotide (FAD), a cofactor for succinate dehydrogenase. Niacin, in the form of nicotinamide adenine dinucleotide (NAD) the electron acceptor for isocitrate dehydrogenase, a-ketoglut... |
medmcqa | medmcqa_05_01141 | Thrombotic thrombocytopenic purpura is a syndrome characterized by - | [
"Thrombocytosis, anemia, neurologic abnormalities, progressive renal failure and fever.",
"Thrombocytopenia, anemia, neurologic abnormalities, progressive hepatic failure and fever",
"Thrombocytosis, anemia neurologic abnormalities, progressive renal failure and fever",
"Thrombocytopenia, anemia, neurological... | D | Ans. is 'd' i.e., Thrombocytopenia, anemia, neurological abnormalities, progressive renal failureand fever o Thrombotic thrombocytopenic purpura is a disorder of 1vessel wall' characterised by lesions in arteriolar walls in various organs that initiate formation of localised platelet thrombi and fibrin deposits at vari... |
ARC-Easy | arc_04_00162 | Which of these environmental changes goes on for months or years? | [
"drought",
"flood",
"avalanche",
"landslide"
] | A | null |
sciq | sciq_01_07578 | What is the name given to the use of controlled nuclear fusion as an energy source? | [
"generator power",
"thermonuclear power",
"half-life",
"fossil fuel"
] | B | 32.5 Fusion While basking in the warmth of the summer sun, a student reads of the latest breakthrough in achieving sustained thermonuclear power and vaguely recalls hearing about the cold fusion controversy. The three are connected. The Sun’s energy is produced by nuclear fusion (see Figure 32.15). Thermonuclear power ... |
sciq | sciq_01_11469 | What is the name for the process of charging an object by touching it with another charged object? | [
"charging by connection",
"charging by convection",
"charging by transfer",
"charging by conduction"
] | D | Charging an object by touching it with another charged object is called charging by conduction. By bringing a charged object into contact with an uncharged object, some electrons will migrate to even out the charge on both objects. Charging by conduction gives the previously uncharged object a permanent charge. An unch... |
medmcqa | medmcqa_05_00308 | Incest is defined as sexual intercourse between - | [
"Man and animals",
"Man and closely related women",
"Man and women other than wife",
"Man and man"
] | B | Ans. is 'b' i.e., Man and closely related womenIncesto It means sexual intercourse by a man with a woman who is closely related to him by blood (prohibited degrees of relationship).Example daughter, granddaughter, sister, stepsister, aunt, or mother,o These cases usually have psychological features,o In India, incest i... |
sciq | sciq_01_09949 | As the atoms approach one another, their electron clouds gradually begin to do what? | [
"shrink",
"overlap",
"disappear",
"magnetize"
] | B | As the atoms approach one another, their electron clouds gradually begin to overlap. Now there are several interactions which begin to occur. One is that the single electrons that each hydrogen atom possesses begin to repel each other. This repulsive force would tend to make the potential energy of the system increase.... |
sciq | sciq_01_01399 | If you find dna floating in a cell's cytoplasm, what kind of organism is it? | [
"eurocratic",
"prokaryotic",
"unicellular",
"xerophytic"
] | B | Prokaryotic versus Eukaryotic Gene Expression To understand how gene expression is regulated, we must first understand how a gene codes for a functional protein in a cell. The process occurs in both prokaryotic and eukaryotic cells, just in slightly different manners. Prokaryotic organisms are single-celled organisms t... |
sciq | sciq_01_11357 | What is the innermost layer of the sun called? | [
"the core",
"Convection Zone",
"Photosphere",
"Chromosphere"
] | A | Because the Sun is not solid, it does not have a defined outer boundary. It does, however, have a definite internal structure with identifiable layers ( Figure below ). Since the layers are not solid, the boundaries are fuzzy and indistinct. From inward to outward, the layers are: the core, the radiative zone, and the ... |
sciq | sciq_01_08441 | Stomata are the main avenues of transpiration, the evaporative loss of water from what? | [
"roots",
"leaves",
"stalks",
"fruits"
] | B | |
ARC-Easy | arc_04_00007 | Earth's core is primarily composed of which of the following materials? | [
"basalt",
"iron",
"magma",
"quartz"
] | B | null |
sciq | sciq_01_08713 | How are bacteria cells similar to our cells? | [
"dna & plasma membrane",
"dna and number of protons",
"plasma and number of protons",
"shape and size"
] | A | Yes and no. Bacteria cells are similar to our cells in some ways. Like our cells, bacteria cells have DNA and a plasma membrane. But bacteria are unique in other ways. They are called prokaryotic cells because of these differences. |
sciq | sciq_01_06379 | What effect occurs when a few individuals start, or found, a new population? | [
"convergent",
"founder",
"divergent",
"pioneer"
] | B | Founder effect occurs when a few individuals start, or found, a new population. By chance, allele frequencies of the founders may be different from allele frequencies of the population they left. An example is described in the Figure below . |
ARC-Easy | arc_04_01982 | Which of the following is a harmful waste material that leaves the blood and travels through the lungs before leaving the body? | [
"CO2.",
"O2.",
"H2O.",
"NaCl."
] | A | null |
sciq | sciq_01_01417 | What is the process by which undigested food leaves the body? | [
"glycolysis",
"egestion",
"peristalsis",
"digestion"
] | B | |
sciq | sciq_01_01312 | What is the diploid number for fruit flies? | [
"10",
"8",
"7",
"9"
] | B | |
openbookqa | obqa_02_03801 | If I wanted to make something move faster I could | [
"slow it down",
"stomp on it",
"stop it",
"roll it"
] | D | as force exerted on an object increases , distance travelled will increase |
math_qa | mathqa_03_00920 | if both 5 ^ 2 and 3 ^ 4 are factors of the number a * 4 ^ 3 * 6 ^ 2 * 13 ^ 11 , then what is the smallest possible value of a ? | [
"80",
"120",
"150",
"225"
] | D | "the number a must include at least 3 ^ 2 * 5 ^ 2 = 225 the answer is d ." |
sciq | sciq_01_07969 | Gametes swim with the aid of what structure to the female gametangium, and fertilization ensues? | [
"oocyte",
"acrosome",
"nucleus",
"flagella"
] | D | gametes swim with the aid of their flagella to the female gametangium (the archegonium), and fertilization ensues. The zygote grows into a small sporophyte still attached to the parent gametophyte. It will give rise, by meiosis, to the next generation of spores. Liverwort plants can also reproduce asexually, by the bre... |
ARC-Easy | arc_04_01290 | Tony is studying ladybugs in a garden. Which of these would BEST help Tony to count the spots on a ladybug? | [
"Stopwatch",
"Thermometer",
"Measuring cup",
"Magnifying glass"
] | D | null |
ARC-Challenge | arc_04_02332 | Corn can be used to make ethanol, which is a fuel for some cars. What problem could be caused by the increased use of ethanol? | [
"increase in fossil fuel production",
"decrease in corn production",
"increase in severe weather",
"decrease in nutrients in soil"
] | D | null |
math_qa | mathqa_03_04653 | find the c . i . on a sum of rs . 2000 for 6 months at 20 % per annum , interest being compounded quarterly ? | [
"205",
"305",
"3025",
"5540"
] | A | "c . i . = 2000 ( 21 / 20 ) ^ 2 - 1800 = 205 answer : a" |
math_qa | mathqa_03_04975 | if the price of a certain computer increased 20 percent from d dollars to 351 dollars , then 2 d = | [
"540",
"585",
"619",
"649"
] | B | "before price increase price = d after 30 % price increase price = d + ( 20 / 100 ) * d = 1.2 d = 351 ( given ) i . e . d = 351 / 1.3 = $ 292,5 i . e . 2 d = 2 * 292.5 = 585 answer : option b" |
sciq | sciq_01_04225 | What cell structures are like storage centers and tend to be larger in plant cells? | [
"nuclei",
"alleles",
"vacuoles",
"tubules"
] | C | The vacuoles are like storage centers. Plant cells have larger vacuoles than animal cells. Plants store water and nutrients in their large central vacuoles. |
medmcqa | medmcqa_05_01118 | The culture medium used for Entamoeba histolytica- | [
"Blood agar",
"Philip's medium",
"CLED medium",
"Trypticase serum"
] | B | Cultures media used for cultivation of E.histolytica are:-
Boeck and Drbohlav's medium
Philip's medium
Shaffer and Frye's medium
Jones medium
Balamuth's medium
Diamond's medium |
sciq | sciq_01_02436 | What results from the evaporation of sea water? | [
"carbon-di-oxide",
"oxygen",
"salt",
"reef"
] | C | In many parts of the world, table salt is obtained from the evaporation of sea water. The heat for the process comes from the sun. |
medmcqa | medmcqa_05_02994 | Which of the following is not an embryologic structure that contributes to the formation of the face | [
"Frontonasal prominence",
"Zygomatic prominence",
"Maxillary prominence",
"Mandibular prominence"
] | B | The face is derived from the following structures that contributes to the formation of the face. The face is derived from the following structures around the stomatodeum (primitive mouth): Mandibular prominences and maxillary prominences of the first arch. Frontonasal prominence formed by the prominence of mesenchyme v... |
medmcqa | medmcqa_05_02190 | Which one of the following in the characteristic feature of juvenile myoclonic epilepsy – | [
"Myoclonic seizures frequently occur in morning",
"Complete remission is common",
"Response to anticonvulsants is poor",
"Associted absence seizures are present in majority of patients"
] | A | Juvenile myoclonic epilepsy is an epilepsy syndrome. Epilepsy syndromes are disorders in which epilepsy is a predominant feature and there is sufficient evidence to suggest a common underlying mechanism.
Juvenile Myoclonic Epilepsy
It is characterized by:
Appearance in early adolescence
Bilateral myoclonic jerks that ... |
ARC-Challenge | arc_04_02754 | After a heavy rain, a mudslide flows into a pond and mud mixes into the water. Which of the following is most likely to happen? | [
"Fish will have more food.",
"Trees will be able to get more light.",
"Raccoons will not be able to find food.",
"Underwater plants will receive less light."
] | D | null |
openbookqa | obqa_02_00486 | Changes to the earth can be done as a result of | [
"high temps",
"mild weather",
"large storms",
"snowing clouds"
] | A | natural events usually cause changes to Earth 's surface |
openbookqa | obqa_02_01013 | To prevent electric shock | [
"masonry will come in handy",
"use all copper wire",
"aluminum should be useful",
"use all silver fillings"
] | A | brick is an electrical insulator |
math_qa | mathqa_03_00402 | when leo imported a certain item , he paid a 7 percent import tax on the portion of the total value of the item in excess of $ 1000 . if the amount of the import tax that leo paid was $ 87.50 , what was the total value of the item ? | [
"$ 1600",
"$ 1850",
"$ 2250",
"$ 2400"
] | C | let the value of the item be $ x , then 0.07 ( x − 1000 ) = 87.5 - - > x − 1000 = 1250 x − 1000 = 1250 - - > x = 2250 . answer : c . |
sciq | sciq_01_01742 | Chemical reactions are typically written to imply that they proceed in one direction - if they can occur in either direction, they are considered what? | [
"reversible",
"observable",
"reactive",
"singular"
] | A | A chemical reaction is usually written in a way that suggests it proceeds in one direction, the direction in which we read, but all chemical reactions are reversible, and both the forward and reverse reaction occur to one degree or another depending on conditions. In a chemical equilibrium, the forward and reverse reac... |
openbookqa | obqa_02_03828 | If things are deposited consistently in dark, cavernous area, then a thing that could develop is | [
"apple juice",
"a stalactite",
"road rash",
"blue jeans"
] | B | stalactites are formed by deposition |
math_qa | mathqa_03_02914 | two vessels p and q contain 62.5 % and 87.5 % of alcohol respectively . if 4 litres from vessel p is mixed with 8 litres from vessel q , the ratio of alcohol and water in the resulting mixture is ? | [
"19 : 1",
"19 : 4",
"19 : 8",
"38 : 10"
] | D | "quantity of alcohol in vessel p = 62.5 / 100 * 4 = 5 / 2 litres quantity of alcohol in vessel q = 87.5 / 100 * 8 = 7 / 1 litres quantity of alcohol in the mixture formed = 5 / 2 + 7 / 1 = 19 / 2 = 9.50 litres as 12 litres of mixture is formed , ratio of alcohol and water in the mixture formed = 9.50 : 2.50 = 38 : 10 .... |
medmcqa | medmcqa_05_04509 | Clopidogrel inhibit platelet aggregation by? | [
"Inhibit gp 2b 3a",
"Inhibits phosphodiesterase",
"Inhibits ADP",
"Inhibits cyclooxygenase"
] | C | ANSWER: (C) Inhibits ADPREF: Goodman and Gillmans 11TH ed, Page 972TICLOPIDINE The agonists of purinergic receptors are extracellular nucleotides. Platelets contain two purinergic receptors, P2Y1 and P2Y12; both are GPCRs for ADR The ADP-activated platelet P2Y1 receptor couples to the Gq-PLC-IP3-Ca2+ pathway and induce... |
sciq | sciq_01_06847 | The earliest stages of spermatogenesis occur closest to the lumen of the what? | [
"seminiferous tubules",
"epithelium tubules",
"viviparous tubules",
"interstitial tubules"
] | A | |
medmcqa | medmcqa_05_01699 | What does "cardiac polyp" means ? | [
"Acute infarct",
"Cardiac aneurysm",
"Benign tumour",
"Fibrinous clot"
] | D | Fibrinous clot "Postmoem fibrinous clot in the hea are called cardiac polyp". -Moral thrombus in the right/left atrium of the hea at the time of postmoem examination appears as pedunculated mass attached to the wall of the hea and main mass in the lumen of the cavity |
math_qa | mathqa_03_03890 | what is the smallest integer b for which 27 ^ b > 3 ^ 24 ? | [
"7",
"8",
"9",
"10"
] | C | "27 ^ b > 3 ^ 24 converting into the same bases : 27 ^ b > 27 ^ 8 therefore for the equation to hold true , b > 8 or b = 9 option c" |
ARC-Easy | arc_04_00115 | Which illness is associated with a weakened immune system in the body? | [
"tetanus",
"cancer",
"measles",
"rabies"
] | B | null |
sciq | sciq_01_10513 | Toxic compounds in the environment have the most severe impact on animals that are top-level what? | [
"herbivores",
"carnivores",
"vegetarian",
"omnivores"
] | B | |
sciq | sciq_01_02748 | One of the fundamental laws of chemistry deals with the fact that we cannot create or destroy what? | [
"protein",
"stars",
"time",
"matter"
] | D | One of the fundamental laws of chemistry deals with the fact that we cannot (using chemical means) create or destroy matter. When a reaction is run, the number of atoms of each specific type must be the same on both sides of the equation. For some materials, it turns out that one element can combine with a second eleme... |
medmcqa | medmcqa_05_02138 | A 50-year-old woman who is a known diabetic and hypeensive has developed vesicular eruption on the trunk in T6 dermatome. Dermatologist confirmed it as Herpes Zoster. She is complaining severe pain and increased sensitivity to touch. Which of the following receptors sense sustained pressure? | [
"Pacinian corpuscle",
"Merkel cells",
"Ruffini corpuscles",
"Meissner's corpuscles"
] | C | Meissner corpuscles are dendrites encapsulated in connective tissue and respond to changes in texture and slow vibrations.Merkel cells are expanded dendritic endings, and they respond to sustained pressure and touch. The capsule is located relatively superficially, either in the basal epidermis (Merkel) or just below t... |
sciq | sciq_01_09726 | What type of tissue transmits nerve impulses throughout the body? | [
"fibrous",
"nervous",
"epithelial",
"connective"
] | B | |
medmcqa | medmcqa_05_04296 | Staphylococcal pathogenicity is indicated by- | [
"Coagulase positivity",
"Hemolysis",
"Lipoteichoic acid",
"Endotoxin"
] | A | Virulence factors of Staphylococcus aureus
There are numerous virulence factors responsible for the pathogenicity of staph aureus, but the most consistent association of virulence is the production of coagulase and to a lesser extent, fermentation of mannitol.
Coagulase causes activation of prothrombin and leads to fi... |
openbookqa | obqa_02_02138 | A person wanting to continue to use a man-made box will | [
"throw it in the trash",
"put it in the garbage",
"burn it in a fire",
"find new uses for it"
] | D | something reusable can be used more than once |
ARC-Easy | arc_04_02024 | Some animals, such as squirrels, may bury acorns. Which of the following is most likely to happen to the acorns after they have been buried? | [
"The acorns will be carried away by the wind.",
"The acorns will attach to another organism.",
"The acorns will have a chance to sprout.",
"The acorns will turn into fossils."
] | C | null |
openbookqa | obqa_02_02001 | How long might a bear likely to remain its den without eating, drinking, or excreting after November? | [
"The first few weeks of December",
"Until it hears the call of the wild",
"For around twenty weeks",
"until hunters kill it for its pelt"
] | C | hibernation is used for conserving resources by some animals |
medmcqa | medmcqa_05_03517 | Most common malignancy in maxillary antrum is: | [
"Mucoepidermoid Carcinoma",
"Adeno cystic Ca",
"Adenocarcinoma",
"Squamous cell Ca"
] | D | More than 80% of the malignant tumors of paransal sinus and of nose are of squamous cell variety. Rest are Adenocarcinoma, Adenoid cystic carcinoma, Melanoma and various types of sarcomas. Maxillary sinus is the most frequently involved sinus. Other sites in decreasing order are nasal cavity, ethmoid sinuses, frontal a... |
sciq | sciq_01_04038 | What are atoms or groups of atoms called which carry and electrical charge? | [
"ions",
"molecules",
"protons",
"electrons"
] | A | Atoms or groups of atoms that carry an overall electrical charge are referred to as ions. Cations can be formed when a neutral species loses electrons, while anions are formed when a neutral species gains electrons. |
sciq | sciq_01_10349 | Muscles are composed mostly of cells called what? | [
"muscle fibers",
"muscle filament",
"muscle organelles",
"muscle polymers"
] | A | Muscles are the main organs of the muscular system. Muscles are composed primarily of cells called muscle fibers. A muscle fiber is a very long, thin cell, as you can see in Figure below . It contains multiple nuclei and many mitochondria, which produce ATP for energy. It also contains many organelles called myofibrils... |
openbookqa | obqa_02_00671 | The reverse of evaporation in terms of weather phenomena is | [
"cloud formation",
"condensation",
"transpiration",
"precipitation"
] | D | precipitation is when rain fall from clouds to the Earth |
sciq | sciq_01_06934 | Quarks in the middle energy family are found in cosmic rays and are produced in what? | [
"particle accelerators",
"particle splicers",
"cosmic accelerators",
"particle processors"
] | A | Everyday objects are made up of quarks from the lowest energy family, namely up and down quarks. Quarks in the middle energy family are found in cosmic rays and are produced in particle accelerators. Particles in the high energy family are believed to have existed briefly during the earliest moments of the Big Bang and... |
math_qa | mathqa_03_01208 | if 10 men do a work in 80 days , in how many days will 20 men do it ? | [
"18 days",
"38 days",
"40 days",
"48 days"
] | C | "10 * 80 = 20 * x x = 40 days answer : c" |
sciq | sciq_01_06637 | What is the second class of fish after ray-finned fish? | [
"pine - finned fish",
"lobe-finned fish",
"spar - finned fish",
"star-finned fish"
] | B | There are about 27,000 species of bony fish ( Figure below ), which are divided into two classes: ray-finned fish and lobe-finned fish. Most bony fish are ray-finned. These thin fins consist of webs of skin over flexible spines. Lobe-finned fish, on the other hand, have fins that resemble stump-like appendages. |
ARC-Easy | arc_04_01474 | Which of the following helps to produce urine in humans and other mammals? | [
"bladder",
"urethra",
"kidneys",
"ureter"
] | C | null |
sciq | sciq_01_00086 | What is the opposite of melting? | [
"evaporation",
"liquidation",
"compression",
"freezing"
] | D | All of the changes of state that occur between solid, liquid and gas are summarized in the diagram in the figure below. Freezing is the opposite of melting and both represent the equilibrium between the solid and liquid states. Evaporation occurs when a liquid turns to a gas. Condensation is the opposite of vaporizatio... |
sciq | sciq_01_07831 | Light retains its original color under water because what remains the same when light is refracted? | [
"sound",
"wave length",
"frequency",
"density"
] | C | When light is refracted its wavelength and speed change; however, its frequency remains the same as the frequency of the light source. Proof of this is that light retains its original color under water. For example, blue light is still blue under water. |
openbookqa | obqa_02_04713 | A scale is used to measure what? | [
"tallness",
"height",
"length",
"fatness"
] | D | a scale is used for measuring weight |
sciq | sciq_01_07394 | Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels? | [
"equilibrium",
"osmotic",
"homeostasis",
"blood pressure"
] | B | Mineralocorticoids Mineralocorticoids are hormones synthesized by the adrenal cortex that affect osmotic balance. Aldosterone is a mineralocorticoid that regulates sodium levels in the blood. Almost all of the sodium in the blood is reclaimed by the renal tubules under the influence of aldosterone. Because sodium is al... |
sciq | sciq_01_10017 | What happens when a sperm and an egg cell combine? | [
"manipulation",
"fertilization",
"stimulation",
"migration"
] | B | Sexual reproduction happens when a sperm and an egg cell combine together. This is called fertilization . Sperm are released into the vagina during sexual intercourse. They “swim” through the uterus and enter a fallopian tube . This is where fertilization normally takes place. |
medmcqa | medmcqa_05_00432 | Which of the following is most reliable feature of malignant transformation of pheochromocytoma – | [
"Presence of mitotic figures",
"Capsular invasion",
"Vascular invasion",
"Pleomorphism"
] | C | The most definitive criteria for malignancy in pheochromocytoma is metastasis which is demonstrated by the presence of vascular invasion
“Because benign and malignant pheochromocytomas may have an identical histological appearance, the only absolute criterion of malignancy is metastasis.
“The diagnosis of malignant phe... |
openbookqa | obqa_02_00390 | Hardness of minerals may be measured in certain ways, such as what? | [
"heating the minerals to high temperatures",
"applying pressure using a sharp, tough object in order to leave marks",
"hitting the minerals with a tougher stone",
"taking bits of metal and comparing the texture to the minerals"
] | B | measuring the hardness of minerals requires scratching those materials |
openbookqa | obqa_02_03628 | Obstacles that might impede a dune are | [
"God",
"emotions",
"cacti",
"cancers"
] | C | sand dunes are made of sand |
openbookqa | obqa_02_00204 | A bird makes its home in various places, such as | [
"groves of plants",
"waterways",
"city streets",
"public parks"
] | A | some birds live in forests |
medmcqa | medmcqa_05_01625 | Selective 5-HT1B/1D receptor agonist useful in acute migraine is: | [
"Buspirone",
"Ondansetron",
"Frovatriptan",
"Ketanserin"
] | C | Triptans like sumatriptan, frovatriptan etc are 5HT1B/1D agonists. These are drug of choice for acute severe migraine. Ergot alkaloids like ergotamine can also be used for acute attack of migraine. These also stimulate 5HT1B/1D receptors. Two primary hypotheses has been proposed for their action- 1. Activation of 5HT1D... |
sciq | sciq_01_00865 | All atoms of the same element have the same number of what? | [
"protons",
"electrons",
"charge",
"molecules"
] | A | Atomic Number In the 1910s, experiments with X rays led to this useful conclusion: the magnitude of the positive charge in the nucleus of every atom of a particular element is the same. In other words, all atoms of the same element have the same number of protons. Furthermore,. |
math_qa | mathqa_03_01776 | one fast typist type some matter in 2 hrs and another slow typist type the same matter in 3 hrs . if both do combine in how much time they will take to finish . | [
"10",
"11",
"12",
"13"
] | C | fast ' s 1 hr work = 1 / 2 slow ' s 1 hr work = 1 / 3 1 / 2 + 1 / 3 = 5 / 6 they ll finish in 6 / 5 hrs = 1 1 / 5 = = > 1 hr 12 mins answer : c |
sciq | sciq_01_06166 | What is the energy that flows as a result of a difference in temperature? | [
"magnetism",
"polarity",
"heat",
"electricity"
] | C | Heat is the energy that flows as a result of a difference in temperature. We use the symbol for heat. Heat, like all forms of energy, is measured in joules. |
medmcqa | medmcqa_05_01312 | A soft contact lens wearer developed pain and itching of the eye and showed a reticular pattern on the corneal epithelium. The cause could be – | [
"Corneal dystrophy",
"Acanthamoeba",
"Pseudomonas",
"Virus"
] | B | Reticular patter of keratitis in a contact lens wearer is seen in Acanthamoeba.
Initially the Acanthamoeba keratitis shows typical reticular pattern due to radial keratoneuritis (Radial perineuritis), i.e. inflitrates along corneal nerves.
Due to this, the pain is very severe (neurological due to perineuritis) which is... |
ARC-Challenge | arc_04_03144 | Which statement about photosynthesis and respiration is true? | [
"Photosynthesis stores energy and respiration releases energy.",
"Respiration stores energy and photosynthesis releases energy.",
"Photosynthesis and respiration are the same process.",
"Photosynthesis and respiration do not have anything to do with energy."
] | A | null |
medmcqa | medmcqa_05_04659 | Abduction of Hand is caused by | [
"FCR",
"FCU",
"FDP",
"FDS"
] | A | The flexor carpi radialis muscle originates from the medial epicondlyle of humerus and inses into the bases of 2nd and 3rd metacarpal bones. Its action is abduction of hand at the wrist joint. BD CHAURASIA 7th edition ,page 108 table 9.2 |
medmcqa | medmcqa_05_00805 | Minimum age at which female can give consent for sex by what age ? | [
"15 yrs",
"18 yrs",
"16 yrs",
"21 yrs"
] | B | Ans:B.)18 years. Explanation:The Criminal Law (Amendment) Act, 2013:The age of consent in India has been increased to 18 years, which means any sexual activity irrespective of presence of consent with a woman below the age of 18 will constitute statutory rape. |
openbookqa | obqa_02_03627 | An example of a circuit would be | [
"rock climbing",
"running",
"dimming a bulb",
"swimming"
] | C | a light bulb converts electrical energy into light energy when it is turned on |
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