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 ⌀ |
|---|---|---|---|---|---|
math_qa | mathqa_03_01754 | a certain clock marks every hour by striking a number of times equal to the hour , and the time require for a stroke is exactly equal to the time interval between strokes . at 6 : 00 the time lapse between the beginning of the first stoke and the end of the last stroke is 22 seconds . at 7 : 00 , how many seconds elaps... | [
"26",
"29",
"19",
"30"
] | A | "at 6 ' o clock , there would be 6 strikes . first strike , then a short interval , the second strike , then a short interval and so on till the 6 th strike . so there would be in all 5 intervals between 6 strikes . similarly , between 7 strikes , there would be 6 intervals . according to the question , the time spent ... |
sciq | sciq_01_05518 | Sodium-potassium pumps help nerve cells establish a voltage across their what? | [
"cell walls",
"plasma membranes",
"potassium membranes",
"sodium membranes"
] | B | |
ARC-Easy | arc_04_01895 | A student wants to find the most accurate account of a scientific discovery that took place within the past three months. In which of these sources should the student look? | [
"newspapers",
"magazines",
"science textbooks",
"science journals"
] | D | null |
openbookqa | obqa_02_00696 | A deer eats lots of grass, but the deer is unable to create more food for itself, because in the food chain, the deer is unable to be | [
"a producer",
"a consumer",
"a manager",
"a creator"
] | A | producer is a kind of role in the food chain process |
medmcqa | medmcqa_05_03270 | Left ventricular stress is maximum in- | [
"MS with MR",
"MS with AR",
"MR with AR",
"AS with AR"
] | D | Ans. is 'd' i.e., AS with ARo AS causes pressure overload and AR causes volume overload.o So, left ventricular stress will be maximum when there is combined AR with AS, that results in both volume and pressure overload. |
math_qa | mathqa_03_04402 | a ratio between two numbers is 3 : 4 and their l . c . m . is 180 . the first number is | [
"60",
"45",
"20",
"15"
] | B | "sol . let the required numbers be 3 x and 4 x . then , their l . c . m . is 12 x . ∴ 12 x = 180 ⇔ x = 15 . hence , the first number is 45 . answer b" |
medmcqa | medmcqa_05_04120 | Natural method of horizontal gene transfer among bacteria includes - | [
"Electroporation",
"Transduction",
"Transformation",
"Conjugation"
] | B | TRANSDUCTION: the trannsfer of a poion of the DNA from one bacterium to another by a abactriophage is known as transduction . bacteriophages are viruses that parasitise the bacteria and consist of a nucleic acid core and a protein coat. a phage paicle may have its core beside its own nucleic acid a segment of hostDNA .... |
ARC-Easy | arc_04_02110 | Which statement describes all matter? | [
"All matter contains carbon.",
"All matter contains oxygen.",
"All matter is made up of cells.",
"All matter is made up of atoms."
] | D | null |
math_qa | mathqa_03_02557 | if 9 a - b = 10 b + 80 = - 12 b - 2 a , what is the value of 2 a + 22 b ? | [
"- 4",
"- 2",
"- 80",
"2"
] | C | "this implies 9 a - b = 10 b + 80 , 9 a - b = - 12 b - 2 a , 10 b + 80 = - 12 b - 2 a manipulating the second equation gives us 10 b + 80 = - 12 b - 2 a = = > 2 a + 22 b = - 80 answer is c" |
sciq | sciq_01_06834 | What is the term for the hard covering that protects insects, crustaceans, and spiders? | [
"exoplate",
"endoskeleton",
"exoskeleton",
"endoplate"
] | C | Most animals have an exoskeleton, including insects, spiders, scorpions, horseshoe crabs, centipedes, and crustaceans. Scientists estimate that, of insects alone, there are over 30 million species on our planet. The exoskeleton is a hard covering or shell that provides benefits to the animal, such as protection against... |
medmcqa | medmcqa_05_00027 | The following is not a feature of pierre - Robin syndrome - | [
"Hearing defect",
"Coloboma Iris",
"Respiratory distress",
"Mandibular hypoplasia"
] | B | Ans. is 'b' i.e., Cloboma iris Pierre Robin syndrome consists of - Micrognatnia Fore shoened floor of mouth CHDs Cleft palate or high arched palate Mandibular hypoplasia (Micrognathia) Respiratory obstruction Normal size tongue |
ARC-Easy | arc_04_01362 | Living cells synthesize long chains of amino acids called proteins. Which substance provides the information needed to correctly sequence the amino acids during protein synthesis? | [
"ATP",
"mRNA",
"tRNA",
"DNA"
] | D | null |
medmcqa | medmcqa_05_01903 | Separation of first polar body occurs at the time of:September 2007, March 2012 | [
"Feilization",
"Ovulation",
"Implantation",
"Menstruation"
] | B | Ans. B: OvulationAsymmetrical cell division (cytokinesis) leads to the production of polar bodies during oogenesis. To conserve nutrients, the majority of cytoplasm is segregated into either the secondary oocyte and, or ovum, during meiosis I or meiosis II, respectively.The remaining daughter cells generated from the m... |
medmcqa | medmcqa_05_00589 | Which of the following results in increase in secretion of ADH? | [
"Hypervolemia",
"Hypeension",
"Hypovolemia",
"Decrease osmolarity"
] | C | Ans: C HypovolemiaRef: Guyton 12th/e p. 9051Hypovolemia (Decreased ECF) stimulates the release of ADH.Vasopressin secretion is increased by: - i) Increased osmolarity (osmotic pressure) of plasma; ii) Decreased ECF volume; iii) Pain, emotion, stress, exercise; iv) Nausea and vomiting; v) Standing; vi) Clofibrate, Carba... |
openbookqa | obqa_02_00613 | What could be used to fill a beach ball? | [
"Aluminium",
"Iron",
"Oxygen",
"Water"
] | C | a beach ball contains gas |
ARC-Easy | arc_04_02063 | Which of the following is produced when sugar is digested in an animal cell? | [
"carbon dioxide.",
"chlorophyll.",
"oxygen.",
"sunlight."
] | A | null |
math_qa | mathqa_03_04788 | the sum of ages of 5 children born 3 years different each is 55 yrs . what is the age of the elder child ? | [
"17",
"19",
"16",
"18"
] | A | "let the ages of children be x , ( x + 3 ) , ( x + 6 ) , ( x + 9 ) and ( x + 12 ) years . then , x + ( x + 3 ) + ( x + 6 ) + ( x + 9 ) + ( x + 12 ) = 55 5 x = 25 x = 5 . x + 12 = 5 + 12 = 17 a" |
sciq | sciq_01_08666 | A group of atoms that results when one hydrogen atom is removed from an alkane is referred to as what? | [
"alkyl group",
"nitrate group",
"chloride group",
"hyrdrogen group"
] | A | An alkyl group is a group of atoms that results when one hydrogen atom is removed from an alkane. The group is named by replacing the -ane suffix of the parent hydrocarbon with -yl. For example, the CH3 group derived from methane (CH4) results from subtracting one hydrogen atom and is called a methyl group. The alkyl g... |
openbookqa | obqa_02_02719 | An example of an electrical circuit running properly would be | [
"dimming lights",
"swimming in pools",
"running outside",
"riding bikes"
] | A | when an electrical circuit is working properly , electrical current runs through the wires in that circuit |
openbookqa | obqa_02_04159 | When would a puddle get smaller and disappear the fastest? | [
"on a snowy day",
"on a day without clouds",
"on a cloudy day",
"on a dark day"
] | B | the sun causes water to evaporate more quickly by adding heat |
openbookqa | obqa_02_02562 | Bread makers only run if you have | [
"an extension cord",
"adamantium claws",
"a power cord",
"dirt and gravel"
] | C | an electrical device requires electricity to turn on |
openbookqa | obqa_02_00669 | The creation of gypsum from anhydrite is an example of what? | [
"chemical change",
"volcanic activity",
"biological change",
"mechanical change"
] | A | if an object undergoes chemical change then that object will have new chemical properties |
math_qa | mathqa_03_01983 | the mean of 30 values was 140 . it was detected on rechecking that one value 145 was wrongly copied as 135 for the computation of the mean . find the correct mean . | [
"151",
"140.33",
"152",
"148"
] | B | "corrected mean = 140 × 30 − 135 + 145 / 30 = 4200 − 135 + 145 / 30 = 4210 / 30 = 140.33 answer b" |
openbookqa | obqa_02_02654 | if a tunnel had a modern facility for seeing, what can we infer from this? | [
"there is water in use",
"Thomas Edison's work is in use",
"there is sunlight in use",
"there is petrol in use"
] | B | a light bulb requires electrical energy to produce light |
medmcqa | medmcqa_05_03993 | Which of the following cranical nerve does not contain parasympathetic motor (GVE) fibers? | [
"III",
"VI",
"IX",
"X"
] | B | Ans. (B) VI(Ref: Katzung 10/e p75; KDT 8th/e pl05)Parasympathetic system is craniosacral in outflow. Cranial part involves III (oculomotor), VII (facial), IX (glossopharyngeal) and X (vagus) nerves whereas sacral portion includes S2 to S4. |
ARC-Challenge | arc_04_02783 | The noble gases, helium, neon, argon, krypton, xenon, and radon, rarely react with other elements because they | [
"are low-density gases.",
"are not abundant on Earth.",
"have complete outermost energy levels.",
"have two electrons in their outermost energy level."
] | C | null |
openbookqa | obqa_02_00592 | A ramp can move a person to what level? | [
"a pulley",
"handicapped",
"a higher one",
"darker level"
] | C | an inclined plane is used for raising objects |
openbookqa | obqa_02_03342 | What would have a better chance of survival if predators decreased? | [
"Hamsters",
"Snakes",
"Killer Whales",
"Tigers"
] | A | as population of prey decreases , the population of predators will decrease |
medmcqa | medmcqa_05_00783 | Not a marker for muscle tumor ? | [
"Desmin",
"Actin",
"Neurofilament",
"Intermediate filament"
] | C | Ans. is 'c' i.e., Neurofilament Markers for smooth muscles tumor are : (i) Muscle specific actin, (ii) Intermediate filament, and (iii) Desmin. Neurofilament is a marker of neural tumors. Immunohistochemistry Immunohistochemistry is a method of analyzing and identifying cell types based on binding of antibodies to spec... |
math_qa | mathqa_03_03426 | there are 2 red chips and 2 blue ones . when arranged in a row , they form a certain color pattern , for example rbrrb . how many color patterns ? | [
"a",
"b",
"c",
"d"
] | D | "using anagram method : 4 _ 3 _ 2 _ 1 r _ r _ b _ b so . . 4 ! / number of repeated letters ( 2 ! ) ( 2 ! ) = 6 ans : d" |
medmcqa | medmcqa_05_03030 | Which of the following is the primary cell line - | [
"Chick embryo fibroblast",
"Hela cells",
"Vero cells",
"WI-38"
] | A | Human diploid fibroblasts (HDF) cell line is used for cultivation of coxsackie A7,9,16; CMV; Echovirus;
enteroviruses; HSV-1,2; Poliovirus: parainfluenza virus, rhinovirus and VZV.
Cultivation of viruses
‘As viruses are obligate intracellular parasites they cannot be grown on any inanimate culture medium.' Three
method... |
openbookqa | obqa_02_02426 | If something is able to grow from a kernel and insects assist in reproduction, then it is probably a | [
"carnation",
"rock",
"chair",
"dove"
] | A | a flower produces pollen and seeds |
medmcqa | medmcqa_05_01409 | An X ray of thewrist and handin given below . If there is a damage to structureE, Which of the following muscle weakness does it cause ? | [
"Flexor carpi radialis",
"Palmaris longus",
"Flexor carpi ulnaris",
"Brachioradialis"
] | C | The hook of hamate and the pisiform provide inseion for the flexor carpi ulnaris. Also note- If the floor of anatomic snuff box and origin of abductor pollicis brevis are damaged, bones most likely to be involved is B i.e. scaphoid forms the floor of the anatomic snuffbox and provides a site for origin of the abductor ... |
sciq | sciq_01_07643 | Cigarettes are a major source of what kind of chemical substances linked with cancer? | [
"chemicals",
"pesticides",
"alkaloids",
"carcinogens"
] | D | Courtesy of the CDC/Debora Cartagena. Cigarettes are a major source of chemical carcinogens . |
ARC-Easy | arc_04_01924 | When nitrogen-rich runoff from farms enters a nearby farm, it causes abundant growth of algal mat on the pond surface. As a result, underwater plants in the pond begin to die. Identify the limiting factor that is most responsible for causing the underwater plants to die. | [
"oxygen",
"sunlight",
"nitrogen",
"carbon dioxide"
] | B | null |
math_qa | mathqa_03_03620 | find the value of x from the below equation : x ^ 2 − 7 x + 10 = 0 | [
"5",
"7",
"6",
"11"
] | A | "here we need to find out a and b such that a + b = - 7 and ab = + 10 a = - 5 and b = - 2 satisfies the above condition . hence x ^ 2 − 7 x + 10 = ( x − 5 ) ( x − 2 ) x 2 − 7 x + 10 = ( x − 5 ) ( x − 2 ) x ^ 2 − 7 x + 10 = 0 ⇒ ( x − 5 ) ( x − 2 ) = 0 x 2 − 7 x + 10 = 0 ⇒ ( x − 5 ) ( x − 2 ) = 0 step 3 : equate each fac... |
medmcqa | medmcqa_05_00376 | Superior orbital fissure synd. includes | [
"3, 4, 5, 6 cranial nr",
"3, 2, 4, 5 cranial nr",
"2, 6, 3 cranial nr",
"2, 5, 6 cranial nr"
] | A | superior orbital fissure * lateral pa lacrimal and frontal nerves, trochlear nerve, superior ophthalmic vein, meningeal branch of lacrimal aery, anastomotic branch of middle meningeal aery which anastomoses with recurrent branch of lacrimal aery. *middle pa upper and lower divisions of oculomotor nerve, nasociliary ner... |
ARC-Easy | arc_04_02136 | When water evaporates from Earth's surface into the atmosphere, its molecules enter the gas state. What change in this gas causes molecules to condense into the small water droplets that form clouds? | [
"The mass is reduced.",
"The volume is increased.",
"The temperature is reduced.",
"The pressure is increased."
] | C | null |
medmcqa | medmcqa_05_02989 | Most suggestive of anti moem hanging ? | [
"Salivary dribbling",
"Congestion of lungs",
"Ligature marks",
"Petechial hemorrhages"
] | A | Most suggestive of antemoem hanging is Salivary dribbling . There is no specific gold standard to distinguish between antemoem and postmoem hanging.However presence of : Veical salivary dribble mark from the dependant angle of mouth. The phenomenon of Le Facies sympathique. Hyperemia and echymosis of margins of ligatur... |
sciq | sciq_01_02656 | According to early accounts, newton was inspired to make the connection between falling bodies and astronomical motions when he saw an apple fall from a tree and realized that if the gravitational force could extend above the ground to a tree, it might also reach this? | [
"moon",
"stars",
"horizon",
"sun"
] | D | Figure 6.20 According to early accounts, Newton was inspired to make the connection between falling bodies and astronomical motions when he saw an apple fall from a tree and realized that if the gravitational force could extend above the ground to a tree, it might also reach the Sun. The inspiration of Newton’s apple i... |
math_qa | mathqa_03_04177 | a 360 meter long train crosses a man standing on the platform in 6 sec . what is the speed of the train ? | [
"229",
"108",
"278",
"216"
] | D | "s = 360 / 6 * 18 / 5 = 216 kmph answer : d" |
medmcqa | medmcqa_05_04903 | Contrast dye(s) used in MR1: | [
"Gadolinium",
"Iodine",
"Myodinium",
"Technitium"
] | A | Ans: A (Gadolinium) 'The contrast dye used in these MRI Scans is generallygadalinturn as complications are rarer in comparison to the iodine origin dye used for x-rays and CT scans"- mriscans.diniccompare.co. uk/ mri-scan-with-contrast-dye"Technetium : Its short-lived gamma ray-emitting nuclear isomer--technetium-99m--... |
sciq | sciq_01_00283 | Ringworm and athlete's foot are human diseases caused by what simple organisms? | [
"insects",
"viruses",
"fungi",
"bacteria"
] | C | Fungi are simple eukaryotic organisms that consist of one or more cells. They include mushrooms and yeasts. Human diseases caused by fungi include ringworm and athlete’s foot. Both are skin diseases that are not usually serious. A ringworm infection is pictured below ( Figure below ). A more serious fungus disease is h... |
sciq | sciq_01_09077 | What transmits nerve impulses to other cells? | [
"ions",
"fats",
"neurons",
"muscles"
] | C | Neurons transmit nerve impulses to other cells. |
ARC-Easy | arc_04_02016 | Meteorologists categorize hurricanes based on the Saffir-Simpson scale. The scale measures the intensity and destructive potential of hurricanes. Which factor has the most significant effect on the strength of a hurricane? | [
"the initial speed of a hurricane",
"the direction that the hurricane rotates",
"the number of hurricanes that form in a year",
"the temperature of the water below the hurricane"
] | D | null |
sciq | sciq_01_04273 | Around 1200 species of what broad animal group are currently at risk of extinction due to human activity? | [
"mammals",
"birds",
"amphibians",
"reptiles"
] | B | Today, some 1,200 species of birds are threatened with extinction by human actions. Humans need to take steps to protect this precious and important natural resource. What can you do to help?. |
sciq | sciq_01_08287 | Layers of fat are formed by what type of tissue? | [
"adipose tissue",
"areolar tissue",
"trypanosome tissue",
"colchis tissue"
] | A | |
medmcqa | medmcqa_05_02705 | While using axillary crutches, elbow should be flexed to: March 2013 | [
"10 degrees",
"20 degrees",
"30 degrees",
"40 degrees"
] | C | Ans. C i.e. 30 Axilary crutches/ Underarm crutches measurement The measurement prescription for axillary crutches is determined in the following manner: - With the patient standing, determine the crutch length by measuring the distance from the anterior axillary fold to a point 6 inches lateral to the fifth toe. - With... |
medmcqa | medmcqa_05_00506 | Time difference between screening test and standard test is known as - | [
"Lead time",
"Generation time",
"CIP",
"Lag time"
] | A | Ans. is 'a' i.e., Lead time o In respect to screening test and diagnostic test, a disease passes through following phase, sequentially. i) Disease onset --> Disease process just staed. ii) First possible point of diagnosis The earliest point in disease process where a diagnosis can be made, i.e., before this point diag... |
openbookqa | obqa_02_01893 | A car rounds a corner and the driver taps the breaks. The breaks being tapped causes | [
"the car to slip",
"the car to float",
"the car to die",
"the car to speed up"
] | A | braking can cause skidding |
ARC-Easy | arc_04_00988 | Materials such as carbon and nitrogen go through cycles. The cycling of nitrogen waste materials is mostly dependent upon the role of which factor? | [
"atmosphere",
"bacteria",
"sunlight",
"trees"
] | B | null |
openbookqa | obqa_02_00067 | An animal would have its inner parts better protected if it had which of these? | [
"a backpack on its back",
"a calcium fortified internal structure",
"none of these",
"a shell of cotton"
] | B | the skeletal system protects internal organs |
sciq | sciq_01_05404 | Unlike nuclear fission, which involves dangerous radioisotopes, nuclear fusion involves what two harmless elements? | [
"magnesium and helium",
"hydrogen and helium",
"hydrogen and carbon",
"hydrogen and oxygen"
] | B | The use of nuclear fusion for energy has several pros. Unlike nuclear fission, which involves dangerous radioisotopes, nuclear fusion involves 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 of water coul... |
openbookqa | obqa_02_01034 | Some birds find locations with | [
"landmarks",
"road signs",
"eggs",
"magnetic patterns"
] | D | Earth 's magnetic patterns are used for finding locations by animals that migrate |
medmcqa | medmcqa_05_02543 | Grade!!! malnuition according to IAP is ? | [
"50%",
"51-60 %",
"61-80%",
"81-100%"
] | B | Ans. is 'b' i.e., 51-60% o Indian academy of pediatrics (IAP) classification of malnutrition is based on weight for age. o IAP designates a weight of more than 80% of expected for age as normal. o Grades of malnutrition are ? Grade I --> 71-80% Grade III --> 51-61% Grade II --> 61-70% Grade IV --> 50% |
math_qa | mathqa_03_02391 | the number 523 rbc is divisible by 7 , 89 . then what is the value of r * b * c | [
"504",
"532",
"210",
"180"
] | D | lcm of 7 , 8 and 9 is 504 , thus 523 rbc must be divisible by 504 . 523 rbc = 523000 + rbc 523000 divided by 504 gives a remainder of 352 . hence , 352 + rbc = k * 504 . k = 1 rbc = 152 - - > r * b * c = 10 k = 2 rbc = 656 - - > r * b * c = 180 as rbc is three digit number k can not be more than 2 . two answers ? well ... |
ARC-Challenge | arc_04_03178 | Which statement about the Sun is true? | [
"The Sun is a very large star that exists far from the Milky Way Galaxy.",
"The Sun is at the center of the Milky Way Galaxy.",
"The Sun is a medium-sized star near the edge of the Milky Way Galaxy.",
"The Sun has the Milky Way and several other galaxies moving in orbits around it."
] | C | null |
medmcqa | medmcqa_05_04596 | A patient suffering from AIDS presents with a history of dyspnea and non-productive cough x-ray shows bilateral perihilar opacities without pleural effusion and lymphadenopathy. Most probable etiological agent is – | [
"Tuberculosis",
"CMV",
"Kaposis sarcoma",
"Pneumocystis carinii"
] | D | Dyspnea with a nonproductive cough, and bilateral perihilar opacities without pleural effusion and lymphadenopathy, in an AIDS patient suggest the diagnosis of P. Carinii pneumonia.
In TB, cough is productive (with sputum) and there is associated lymphadenopathy. Pleural effusion may also occur. |
ARC-Easy | arc_04_00273 | At room temperature, what state of matter is copper? | [
"gas",
"solid",
"liquid",
"plasma"
] | B | null |
sciq | sciq_01_04255 | What is the process resulting in living things with beneficial traits producing more offspring? | [
"natural change",
"fluid selection",
"natural selection",
"Natural choice."
] | C | The other idea is that evolution occurs by natural selection . Natural selection is the process that results in living things with beneficial traits producing more offspring than others. This results in changes in the traits of living things over time. |
sciq | sciq_01_07382 | Which layer of soil experiences the most weathering? | [
"humus",
"subsoil",
"bedrock",
"top layer"
] | D | Soil develops over time and forms soil horizons. Soil horizons are different layers of soil with depth. The most weathering occurs in the top layer. This layer is most exposed to weather! It is where fresh water comes into contact with the soil. Each layer lower is weathered just a little bit less than the layer above.... |
medmcqa | medmcqa_05_04176 | Treatment of OCD includes which of the following | [
"Exposure and response prevention",
"Eye moment desensitization",
"Sensate focus therapy",
"Dual partner therapy"
] | A | Exposure and responce prevention : OCD
Eye moment desensitization : Post traumatic stress disorder.
Dual sex therapy & sensate focus therapy : Premature ejaculation. |
sciq | sciq_01_04346 | What incredibly successful species has quickly colonized almost all of earth’s terrestrial habitats, but also impacted earth, its climate, and its environment? | [
"chimpanzees",
"humans",
"fish",
"birds"
] | B | The human species has been incredibly successful. In a relatively short period of time, it has colonized almost all of Earth’s terrestrial habitats. Unfortunately, human beings have also impacted Earth, its climate, and its environment. Human actions threaten Earth’s valuable biodiversity. |
openbookqa | obqa_02_04259 | the moon is lacking what? | [
"rocks",
"craters",
"gravity",
"h2o"
] | D | the moon does not contain water |
math_qa | mathqa_03_03792 | in the first 10 overs of a cricket game , the run rate was only 3.2 . what should be the rate in the remaining 40 overs to reach the target of 292 runs ? | [
"6.5",
"6.22",
"6.29",
"6.39"
] | A | "required run rate = [ 292 - ( 3.2 * 10 ) ] / 40 = 260 / 40 = 6.5 answer : a" |
sciq | sciq_01_07977 | Karyotyping shows whether what structures, which contain genetic information, are normal in number and appearance? | [
"neutrons",
"nucleoids",
"chromosomes",
"ribosomes"
] | C | |
sciq | sciq_01_10215 | A polyatomic ion is an ion composed of more than one what? | [
"pair bond",
"neutron",
"atom",
"nucleus"
] | C | A polyatomic ion is an ion composed of more than one atom. For example, the ammonium ion consists of one nitrogen atom and four hydrogen atoms. Together, they comprise a single ion with a 1+ charge and a formula of NH 4 + . The carbonate ion consists of one carbon atom and three oxygen atoms, and it carries an overall ... |
sciq | sciq_01_00889 | What is the sum total of all body reactions? | [
"metabolism",
"growth",
"respiration",
"immunity"
] | A | Water is an essential part of most metabolic processes within organisms. Metabolism is the sum total of all body reactions, including those that build up molecules ( anabolic reactions ) and those that break down molecules ( catabolic reactions ). In anabolic reactions, water is generally removed from small molecules i... |
openbookqa | obqa_02_00813 | How can it be shown that an electrical conductor is a vehicle for the flow of electricity? | [
"holding an electrified fence can kill you",
"electricity is unable to conduct well through rubber shoe soles",
"sticking a fork into an electrical outlet is safe if it is plastic",
"electricity is a volatile thing"
] | A | An electrical conductor is a vehicle for the flow of electricity |
sciq | sciq_01_06525 | In what type of diabetes can the pancreas still make insulin, but the cells of the body cannot use it efficiently? | [
"type 2 diabetes",
"type A diabetes",
"type 3 diabetes",
"type 1 diabetes"
] | A | Type 2 diabetes occurs when body cells are no longer sensitive to insulin. The pancreas may still make insulin, but the cells of the body cannot use it efficiently. Being overweight and having high blood pressure increase the chances of developing type 2 diabetes. Type 2 diabetes usually develops in adulthood, but it i... |
openbookqa | obqa_02_02820 | A peach pit holds the beginning | [
"nutrients",
"high school students",
"water",
"pocket change"
] | A | a seed is used for storing food for a new plant |
medmcqa | medmcqa_05_02822 | Macrophages are conveed to epitheloid cells by which cytokine- | [
"IL-2",
"IFN-y",
"TNF-a",
"TGF-b"
] | B | Ref Robbins 9)e p46 IL 1and 2 stimulate proliferation of more T cells. Interferon gamma activated macrophages. TNF alpha promoters fibroblasts proliferation and activates endothelium to secreted PGs which have a role in vascular response in inflammation. TGF Beta and PDGF elaborated by the macrophages stimulate fibrobl... |
math_qa | mathqa_03_01157 | the population of a town increased from 1 , 75,000 to 2 , 62,500 in a decade . the average percent increase of population per year is | [
"4.37 %",
"5 %",
"6 %",
"8.75 %"
] | B | "solution increase in 10 years = ( 262500 - 175000 ) = 87500 . increase % = ( 87500 / 175000 × 100 ) % = 50 % . required average = ( 50 / 10 ) % = 5 % . answer b" |
ARC-Challenge | arc_04_02865 | Water evaporates and falls back to Earth as rain or snow. What is the primary energy source that drives this cycle? | [
"The wind",
"The Sun",
"Air pressure",
"Ocean currents"
] | B | null |
sciq | sciq_01_03561 | What is an ionic compound that produces negative hydroxide ions when dissolved in water | [
"isomer",
"catalyst",
"base",
"acid"
] | C | A base is an ionic compound that produces negative hydroxide ions when dissolved in water. Bases taste bitter and turn red litmus paper blue. |
sciq | sciq_01_04293 | Alkynes are what type of compound? | [
"unsaturated hydrocarbons",
"proteins hydrocarbons",
"reversible hydrocarbons",
"Split Hydrocarbons"
] | A | Unsaturated hydrocarbons that contain one or more triple bonds are called alkynes . The names of specific alkynes always end in –yne and have a prefix for the number of carbon atoms. The structural formula in the Figure below represents the smallest alkyne, named ethyne, which has two carbon atoms and two hydrogen atom... |
medmcqa | medmcqa_05_01530 | Granular keratic precipitates are made of ? | [
"Epitheloid cells",
"Macrophages",
"Lymphocytes",
"RBC"
] | C | Ans. is 'c' i.e., Lymphocytes Keratic precipitates (KPs) KPs are proteinaceous cellular deposits occurring at the back of cornea (corneal endothelial deposits). Keratic precipitates are formed by the aggregation of polymorphonuclear cells, lymphocytes, and epitheloid cells. In the setting of uveitis, the bimicrosopic a... |
sciq | sciq_01_03386 | How close a measurement is to the correct value for that measurement is known as what? | [
"accuracy",
"rate",
"frequency",
"temperature"
] | A | Accuracy and Precision of a Measurement Science is based on observation and experiment—that is, on measurements. Accuracy is how close a measurement is to the correct value for that measurement. For example, let us say that you are measuring the length of standard computer paper. The packaging in which you purchased th... |
openbookqa | obqa_02_04175 | Eureka lemon trees gain 12-24 inches in the spring due to | [
"snow",
"rain",
"darkness",
"the moon"
] | B | as the amount of water received by a plant increases , that plant will usually grow |
openbookqa | obqa_02_02385 | Which two crops would humans likely avoid in a famine? | [
"tobacco and cocoa",
"corn and peas",
"wheat and rice",
"melon and beans"
] | A | humans eat crops |
medmcqa | medmcqa_05_03295 | A 7 year old boy which gets easily distracted in the class with poor academic performance and there occurs an episode of seizure after hyperventilation. What is the diagnosis of the EEG given below ? | [
"Myoclonic seizures",
"Atonic seizures",
"Myotonia",
"Absence seizures"
] | D | Absence seizure Clinical features:- Transient loss of consciousness for 1-2 seconds 4-10 yr child Postural tone is maintained Become unresponsive/quiet Repeated blinking of eye Post ictal deficit absent Day dreamers Hyperventilation triggers these seizures EEG = 3 per second spike & slow wave. Rx = Valproate/ ethosuxim... |
medmcqa | medmcqa_05_01624 | A woman with previous history of Neural tube defects in her first baby, becomes pregnant again ,what is the recommended folic acid dosage for her? | [
"400 mcg",
"4 mg",
"1mg",
"100 mcg"
] | B | Generally,folic acid supplementation with 0.4 mg per day is staed at least 1 month before conception., though its best if she takes it for 3 months prior. The dose is increased to 4 mg when a woman with previous history of Neural tube defects in her previous pregnancy becomes pregnant. It should be staed 3 months befor... |
sciq | sciq_01_00912 | All living cells in multicellular organisms contain an internal cytoplasmic compartment, and a nucleus within the cytoplasm. cytosol, the jelly-like substance within the cell, provides the fluid medium necessary for this? | [
"meiosis",
"apoptosis",
"biochemical reactions",
"cell division"
] | C | Now that you have learned that the cell membrane surrounds all cells, you can dive inside of a prototypical human cell to learn about its internal components and their functions. All living cells in multicellular organisms contain an internal cytoplasmic compartment, and a nucleus within the cytoplasm. Cytosol, the jel... |
sciq | sciq_01_10718 | Neutrophils and lymphocytes are examples of what type of cell? | [
"Osteoclast",
"skin cell",
"red blood cell",
"white blood cell"
] | D | Figure 40.5 The cells and cellular components of human blood are shown. Red blood cells deliver oxygen to the cells and remove carbon dioxide. White blood cells—including neutrophils, monocytes, lymphocytes, eosinophils, and basophils—are involved in the immune response. Platelets form clots that prevent blood loss aft... |
medmcqa | medmcqa_05_02906 | Which of these muscles is most frequently affected in childhood poliomyelitis? | [
"Quadriceps",
"Deltoid",
"Tibialis anterior",
"Biceps"
] | A | Ans. A. QuadricepsThe most frequently affected muscles in poliomyelitis (in order of the frequency with which they are affected)(Lower limb muscles - Quadriceps; tibialis anterior; peroneal muscles) > (Upper limb muscles - Deltoid; triceps; biceps) > (Trunk - abdominal muscles; back; intercostals; diaphragm) |
math_qa | mathqa_03_02650 | when a merchant imported a certain item , he paid a 9 percent import tax on the portion of the total value of the item in excess of $ 1,000 . if the amount of the import tax that the merchant paid was $ 76.50 , what was the total value of the item ? | [
"$ 1,250",
"$ 1,450",
"$ 1,650",
"$ 1,850"
] | D | "let x be the value in excess of $ 1,000 . 0.09 x = 76.5 x = $ 850 the total value was $ 850 + $ 1,000 = $ 1,850 . the answer is d ." |
sciq | sciq_01_01229 | Scientists use what scale to illustrate the order in which events on earth have happened? | [
"geologic time scale",
"ecological succession",
"cataclysmic time scale",
"fossil record"
] | A | Scientists use the geologic time scale to illustrate the order in which events on Earth have happened. |
math_qa | mathqa_03_01045 | population of a city in 20004 was 1000000 . if in 2005 there isan increment of 25 % , in 2006 there is a decrements of 35 % and in 2007 there is an increment of 45 % , then find the population of city atthe end of the year 2007 | [
"976374",
"979923",
"980241",
"1178125"
] | D | "required population = p ( 1 + r 1 / 100 ) ( 1 - r 2 / 100 ) ( 1 + r 3 / 100 ) = p ( 1 + 25 / 100 ) ( 1 - 35 / 100 ) ( 1 + 45 / 100 ) = 1178125 d" |
sciq | sciq_01_00221 | What is a device that changes kinetic energy to electrical energy through electromagnetic induction? | [
"an electric generator",
"a battery",
"a diesel engine",
"a windmill"
] | A | An electric generator is a device that changes kinetic energy to electrical energy through electromagnetic induction. A simple diagram of an electric generator is shown in Figure below . In a generator, some form of energy is applied to turn a shaft. This causes a coil of wire to rotate between opposite poles of a magn... |
sciq | sciq_01_04143 | Earthquakes have both longitudinal and transverse components, and these travel at what? | [
"identical speeds",
"different speeds",
"the speed of light",
"the speed of sound"
] | B | Earthquakes, essentially sound waves in Earth’s crust, are an interesting example of how the speed of sound depends on the rigidity of the medium. Earthquakes have both longitudinal and transverse components, and these travel at different speeds. The bulk modulus of granite is greater than its shear modulus. For that r... |
openbookqa | obqa_02_04872 | Feeling is when a living thing senses through what? | [
"sight",
"smell",
"contact",
"taste"
] | C | feeling is when an living thing senses through touch |
sciq | sciq_01_07794 | What is the physical area where a specie lives? | [
"marine biome",
"habitat",
"ecosystem",
"farmland"
] | B | The habitat is the physical area where a species lives. Many factors are used to describe a habitat. The average amount of sunlight received each day, the range of annual temperatures, and average yearly rainfall can all describe a habitat. These and other abiotic factors will affect the kind of traits an organism must... |
math_qa | mathqa_03_03026 | machine p and machine q are each used to manufacture 330 sprockets . it takes machine p 10 hours longer to produce 330 sprockets than machine q . machine q produces 10 % more sprockets per hour than machine a . how many sprockets per hour does machine a produce ? | [
"5",
"15",
"3",
"95"
] | C | "p makes x sprockets per hour . then q makes 1.1 x sprockets per hour . 330 / x = 330 / 1.1 x + 10 1.1 ( 330 ) = 330 + 11 x 11 x = 33 x = 3 the answer is c ." |
sciq | sciq_01_07169 | Why do comet tails always point away from the sun instead of trailing behind the comet? | [
"dust particles attract",
"dust particles recoil",
"dust particles evaporate",
"dust particles liquify"
] | B | Figure 29.17 shows a comet with two prominent tails. What most people do not know about the tails is that they always point away from the Sun rather than trailing behind the comet (like the tail of Bo Peep’s sheep). Comet tails are composed of gases and dust evaporated from the body of the comet and ionized gas. The du... |
openbookqa | obqa_02_03743 | Friction might be | [
"Breathing",
"rubbing knees",
"Running",
"Rainbows"
] | B | friction occurs when two object 's surfaces move against each other |
sciq | sciq_01_09893 | Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side? | [
"spin",
"gravity",
"earthquakes",
"air pressure"
] | B | Sand is blown up a slope. Gravity pulls it down the other side. This is how dunes migrate. |
sciq | sciq_01_04635 | What process brings nutrients from the ocean's floor to its surface? | [
"upwelling",
"Tides",
"coastal swell",
"Down welling"
] | A | Upwelling brings nutrients to the surface from the ocean floor. Nutrients are important resources for ocean life. However, they aren’t the only resources on the ocean floor. |
sciq | sciq_01_01720 | When a balloon is rubbed against hair, why do they attract each other? | [
"lean electron charge",
"same electron charge",
"opposite electron charge",
"constantly electron charge"
] | C | Electrons are transferred from hair to a balloon rubbed against the hair. Then the oppositely charged hair and balloon attract each other. |
ARC-Easy | arc_04_01681 | In 1971, the bones of an extinct flying dinosaur were discovered. This kind of discovery helps everyone learn more about | [
"impact of humans on Earth.",
"effect of gravity on animals.",
"history of animal species on Earth.",
"likelihood that dinosaurs will reappear."
] | C | null |
ARC-Easy | arc_04_00030 | On a small, isolated island, a hurricane destroyed all the trees that produced a large, hard-shelled nut. Which bird population would most likely decrease? | [
"birds with long, probing beaks",
"birds with thick, strong beaks",
"birds with thin, short beaks",
"birds with large, pouch beaks"
] | B | null |
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