dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 4 758 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
medmcqa | medmcqa_05_03399 | Best prognosis is seen in - | [
"Ca lip",
"Ca tongue",
"Ca palate",
"Ca floor of mouth"
] | A | Carcinoma of oral cavity
Most common type of Carcinoma of oral cavity is squamous cell carcinoma
In the oral Cavity, tongue (30%) is the most common site followed by lip (17.4%) and the floor of mouth (16.4%)
The mortality from squamous Carcinoma also varies by site in the mouth, with the lowest mortality from lip Ca... |
sciq | sciq_01_07982 | The heart contracts rhythmically to pump what to the lungs and the rest of the body? | [
"Bile",
"Chyle",
"Cerumen",
"blood"
] | D | The heart contracts rhythmically to pump blood to the lungs and the rest of the body. Specialized cardiac muscle cells trigger the contractions. |
sciq | sciq_01_09961 | Most members of what mammalian order possess opposable thumbs? | [
"marsupials",
"primates",
"rodents",
"amphibians"
] | B | Most primates have opposable thumbs. An opposable thumb can be brought into opposition with the other fingers of the same hand. This allows the hand to grasp and hold things. |
medmcqa | medmcqa_05_03374 | Vitamin A prophylaxis is given to children every: September 2007 | [
"3 months",
"6 months",
"12 months",
"18 months"
] | B | Ans. B: 6 months National programme for prevention of nutritional blindness focuses on Promoting consumption of vitamin A rich foods by pregnant and lactating women and by children under 5 years of age. Administration of massive doses of vitamin A up to 5 years. First dose of 100,000 IU with measles vaccination at 9 mo... |
ARC-Easy | arc_04_01101 | Elements in the same column of the Periodic Table of the Elements all | [
"have the same number of protons.",
"share the same atomic structure.",
"have similar physical characteristics.",
"share the same number of neutrons."
] | C | null |
ARC-Easy | arc_04_01168 | Which inventor had the greatest impact on the development of artificial light? | [
"Charles Darwin",
"Albert Einstein",
"Thomas Edison",
"Benjamin Franklin"
] | C | null |
ARC-Challenge | arc_04_03046 | A negative effect of the invention and use of paper is the | [
"increased use of glass bottles.",
"increased number of trees cut down.",
"decreased pollution in trash dumps.",
"decreased amount of books to read."
] | B | null |
sciq | sciq_01_09926 | What is the logarithmic scale that measures the largest jolt of energy released by an earthquake called? | [
"Geiger counter",
"richter scale",
"Shake scale",
"tremor scale"
] | B | The Richter scale is a logarithmic scale that measures the largest jolt of energy released by an earthquake. |
math_qa | mathqa_03_01674 | a train running at the speed of 54 km / hr crosses a pole in 9 seconds . what is the length of the train ? | [
"135",
"278",
"255",
"150"
] | A | "speed = ( 54 * 5 / 18 ) m / sec = ( 15 ) m / sec length of the train = ( speed x time ) = ( 15 * 9 ) m = 135 m . answer : a" |
sciq | sciq_01_01175 | Worms use a hydrostatic type of what anatomical structure to move through their environment? | [
"head",
"gastrointestinal system",
"tail",
"skeleton"
] | D | |
sciq | sciq_01_07677 | A protective coating of zinc to prevent corrosion is applied to steel and other metals labeled what? | [
"galvanized",
"battered",
"polarized",
"corroded"
] | A | Zinc is a silvery metal that quickly tarnishes to a blue-gray appearance. This change in color is due to an adherent coating of a basic carbonate, Zn2(OH)2CO3, which passivates the metal to inhibit further corrosion. Dry cell and alkaline batteries contain a zinc anode. Brass (Cu and Zn) and some bronze (Cu, Sn, and so... |
sciq | sciq_01_01838 | What is an animal that picks up pollen on its body and carries it to another flower called? | [
"fungi",
"lizard",
"rodent",
"pollinator"
] | D | The showy petals of flowers evolved to help attract pollinators. Wind-blown pollen might land just anywhere and be wasted. A pollinator is an animal that picks up pollen on its body and carries it directly to another flower of the same species. This helps ensure that pollination occurs. Pollinators are usually small an... |
ARC-Easy | arc_04_01592 | Which of these is a way the people of Virginia can help restore a natural ecosystem? | [
"Burn their trash",
"Plant native plants",
"Feed leftover meals to deer",
"Drain automobile oil into the grass"
] | B | null |
sciq | sciq_01_09213 | Spores are the basic reproductive units of what organism? | [
"mushrooms",
"yeast",
"tropical plants",
"fungi"
] | D | Specialized structures for reproduction: One example is a fruiting body. Just like a fruit is involved in the reproduction of a fruiting plant, a fruiting body is involved in the reproduction of a fungus. A mushroom is a fruiting body , which is the part of the fungus that produces spores ( Figure below ). The spores a... |
openbookqa | obqa_02_03639 | If your were to sit still and stare at the sky for one of the earth's rotations, you will have wasted | [
"half your existence",
"1,440 minutes",
"your family's week",
"2 days"
] | B | a Rotation of the Earth on itself takes one day |
openbookqa | obqa_02_01040 | Pulse rate increases | [
"the quicker the pace of a runner",
"when a person falls asleep",
"as a runner slows down",
"while holding yoga poses"
] | A | as energy required for an activity increases , pulse will increase |
openbookqa | obqa_02_03604 | A bird of prey is hunting a scaly meal. How might this creature avoid being spotted? | [
"Lure the hunter into a trap and eat it first",
"Close its eyes and hope for the best",
"Altering its hues to look like the leaves",
"Flee at breakneck speeds"
] | C | hawks eat lizards |
math_qa | mathqa_03_01959 | on a scale of map , 0.4 cm represents 5.3 km . if the distance between the points on the map is 64 cm , the actual distance between these points is : | [
"9 km",
"72.5 km",
"190.75 km",
"848 km"
] | D | explanation : let the actual distance be x km . then , more distance on the map , more is the actual distance ( direct proportion ) = > 0.4 : 64 : : 5.3 : x = > 0.4 x = 64 x 5.3 = > x = 64 x 5.3 / 0.4 = > x = 848 answer : d |
sciq | sciq_01_00993 | What type of energy is clean and does not release greenhouse gases? | [
"geothermal energy",
"natural gas",
"coal",
"lithosphere energy"
] | A | Geothermal energy is clean and does not release greenhouse gases. |
medmcqa | medmcqa_05_01111 | Rugger jersey spine in CRF is due to - | [
"Osteomalacia",
"Trauma",
"Hyperparathyroidism",
"Aluminium osteodystrophy"
] | C | A common finding in secondary hyperthyroidism associated with renal osteodystrophy is the osteosclerosis resulting in typical appearance of the vertebral bodies as seen in the rugger - jersy spine. |
ARC-Easy | arc_04_00501 | People are developing electric cars that would replace gasoline-burning cars. One major advantage of the electric car is that it | [
"accelerates faster.",
"causes less pollution.",
"gives a smoother ride.",
"needs no battery."
] | B | null |
sciq | sciq_01_02053 | What does the human heart do? | [
"make blood",
"pump blood",
"use blood",
"destroy blood"
] | B | The heart of a resting adult pumps blood at a rate of 5.00 3 L/min. (a) Convert this to cm /s . (b) What is this rate in m 3 /s ? 3. Blood is pumped from the heart at a rate of 5.0 L/min into the aorta (of radius 1.0 cm). Determine the speed of blood through the aorta. Blood is flowing through an artery of radius 2 mm ... |
openbookqa | obqa_02_03517 | Which area contains few organisms? | [
"Madagascar",
"South Pole",
"Amazon Rain Forest",
"Sahara Desert"
] | B | cold environments contain few organisms |
math_qa | mathqa_03_04323 | a is a working partner and b is a sleeping partner in the business . a puts in rs . 3500 and b rs . 1500 , a receives 10 % of the profit for managing the business the rest being divided in proportion of their capitals . out of a total profit of rs . 9600 , money received by a is ? | [
"1978",
"2707",
"7728",
"7008"
] | D | "35 : 15 = > 7 : 3 9600 * 10 / 100 = 960 9600 - 960 = 8640 8640 * 7 / 10 = 6048 + 960 = 7008 answer : d" |
sciq | sciq_01_07635 | Specialized features of populations of galápagos finches inspired what theory? | [
"evolution by force",
"evolution by reaction",
"evolution by isolation",
"evolution by natural selection"
] | D | Demonstrations of evolution by natural selection can be time consuming. One of the best demonstrations has been in the very birds that helped to inspire the theory, the Galápagos finches. Peter and Rosemary Grant and their colleagues have studied Galápagos finch populations every year since 1976 and have provided impor... |
sciq | sciq_01_06662 | Which ductless gland releases secretions directly into surrounding tissues and fluids? | [
"pineal gland",
"endocrine gland",
"adrenal glands",
"marrow gland"
] | B | Glandular Epithelium A gland is a structure made up of one or more cells modified to synthesize and secrete chemical substances. Most glands consist of groups of epithelial cells. A gland can be classified as an endocrine gland, a ductless gland that releases secretions directly into surrounding tissues and fluids (end... |
ARC-Easy | arc_04_00756 | In any ecosystem, organisms interact with biotic and abiotic parts of the environment. As a result of all of the interactions, the matter within the system is | [
"produced when plants grow.",
"recycled when organisms die.",
"lost when animals and plants die.",
"formed when new animals are born."
] | B | null |
medmcqa | medmcqa_05_00954 | Stellate cells of von Kuffer are seen in the sinusoids of which of the following organs | [
"Spleen",
"Bone marrow",
"Liver",
"Adrenal"
] | C | SINUSOIDS OF LIVER - Liver cells are arranged in the form of anastomosing plates, one cell thick; and that the plates form a network in the spaces of which sinusoids lie. In this way each liver cell has a sinusoid on two sides. The sinusoids are lined by an endothelium in which there are numerous pores (fenestrae). A b... |
sciq | sciq_01_07254 | Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what? | [
"electrons to neutrons",
"nucleus to neutrons",
"protons to neutrons",
"atoms to neutrons"
] | C | Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of protons to neutrons. When the nucleus emits a particle, it gains or loses one or two protons, so the atom becomes a different element. Gamma decay, in contrast, occurs when a nucleus is in an excited state and has too much energy to ... |
openbookqa | obqa_02_04585 | Parents genes will determine the rabbits | [
"mate",
"food preferences",
"fur color",
"habitat location"
] | C | the coloration of fur is an inherited characteristic |
medmcqa | medmcqa_05_00606 | Which of the following is not a prognostic factor for acute pancreatitis : | [
"Hypocalcemia",
"Hyperglycemia",
"AST elevation",
"Increased serum amylase"
] | D | Ans. is 'd' i.e. Increased serum amylase. Ranson has identified a series of prognostic signs for early identification of patients with severe pancreatitis.There are 11 objective parameters, 5 are to be measured at the time of admission, whereas the remaining 6 are measured within 48 hours of admission.Morbidity and mor... |
sciq | sciq_01_09764 | What do we call the solid form of hydrocarbons? | [
"methane",
"coal",
"bauxite",
"shale"
] | B | Fossil fuels are compounds of carbon and hydrogen, called hydrocarbons . Hydrocarbons can be solid, liquid, or gas. The solid form is coal. The liquid form is petroleum, or crude oil. The gaseous form is natural gas. |
openbookqa | obqa_02_02749 | What purpose does a plant light serve? | [
"Comfort them",
"replicate sunlight",
"Protect from bugs",
"Keep plants warm"
] | B | a plant requires sunlight to grow |
sciq | sciq_01_08100 | Down syndrome is caused by having three copies of what, a condition known as trisomy? | [
"variation",
"DNA",
"chromosome",
"genome"
] | C | Chromosomal Disorders Sometimes a genetic disease is not caused by a mutation in a gene, but by the presence of an incorrect number of chromosomes. For example, Down syndrome is caused by having three copies of chromosome 21. This is known as trisomy 21. The most common cause of trisomy 21 is chromosomal nondisjunction... |
math_qa | mathqa_03_01860 | a sum of rs . 1530 has been divided among a , b and c such that a gets of what b gets and b gets of what c gets . b ’ s share is : | [
"rs . 120",
"rs . 160",
"rs . 270",
"rs . 300"
] | C | "explanation let c ’ s share = rs . x then , b ’ s share = rs . x / 4 , a ’ s share = rs . ( 2 / 3 x x / 4 ) = rs . x / 6 = x / 6 + x / 4 + x = 1530 = > 17 x / 12 = 1530 = > 1530 x 12 / 17 = rs . 1080 hence , b ’ s share = rs . ( 1080 / 4 ) = rs . 270 . answer c" |
openbookqa | obqa_02_03365 | Which is likeliest to provide a home for many species? | [
"a fish tank",
"human hair",
"a fish",
"a log"
] | D | a tree is a source of food for birds in an ecosystem |
ARC-Easy | arc_04_00196 | Which of these will best separate a saltwater solution? | [
"using a paper filtering system",
"using chromatography",
"allowing the salt to settle",
"allowing the water to evaporate"
] | D | null |
openbookqa | obqa_02_02523 | A cup of hot tea next to a glass of iced tea will make which become colder? | [
"cup of noodles",
"the hot tea",
"the iced tea",
"tee in alphabet"
] | B | as heat is transferred from something to something else , the temperature of that something will decrease |
math_qa | mathqa_03_00077 | two different primes may be said torhymearound an integer if they are the same distance from the integer on the number line . for instance , 3 and 7 rhyme around 5 . what integer e between 1 and 20 , inclusive , has the greatest number of distinct rhyming primes around it ? | [
"12",
"15",
"17",
"e = 18"
] | D | "since we are concerned with integers between 1 and 20 , write down the primes till 40 . 2 , 3 , 5 , 7 , 11 , 13 , 17 , 19 , 23 , 29 , 31 , 37 ( you should be very comfortable with the first few primes . . . ) 2 , 3 , 5 , 7 , 11,12 , 13 , 17 , 19 , 23 , 29 , 31 , 37 - three pairs ( 11,13 ) , ( 7,17 ) , ( 5 , 19 ) 2 , 3... |
medmcqa | medmcqa_05_03493 | Maintenance phase of PDL therapy starts after: | [
"Emergency phase",
"Phase I",
"Phase II",
"Phase III"
] | C | Maintenance (phase IV therapy)—periodontal procedures during the maintenance phase include evaluation of oral hygiene status, presence or absence of local factors, condition of the periodontium (pocket depths, attachment levels, mobility, furcation involvements, mucogingival issues and occlusion) and other pathologic c... |
ARC-Easy | arc_04_01000 | The human body is composed of different systems made of specialized cells, tissues, and organs. Each of these structures has a specific function that aids in the survival of the human species. Which organs are used in reproduction? | [
"brain, spinal cord, and eyes",
"lungs, esophagus, and heart",
"mouth, stomach, and gallbladder",
"ovaries, uterus, and fallopian tubes"
] | D | null |
math_qa | mathqa_03_02066 | 18 beavers , working together in a constant pace , can build a dam in 8 hours . how many hours will it take 36 beavers that work at the same pace , to build the same dam ? | [
"2 .",
"4 .",
"5 .",
"6"
] | B | "total work = 18 * 8 = 144 beaver hours 36 beaver * x = 144 beaver hours x = 144 / 36 = 4 answer : b" |
medmcqa | medmcqa_05_03896 | During clinical examination, it was noted that patient has natural lower anterior teeth which occlude against the complete upper denture. Clinician is most likely to find: | [
"Underlying systemic disease",
"Post extraction bone scars",
"Displaceable mandibular ridge",
"Displaceable maxillary ridge"
] | D | A single complete denture is a complete denture that occludes against some or all of the natural teeth, a fixed restoration, or a previously constructed removable partial denture or a complete denture.
The primary consideration for a single complete denture is preservation. By opposing the natural teeth, the magnitude ... |
math_qa | mathqa_03_00088 | lisa and robert have taken the same number of photos on their school trip . lisa has taken 3 times as many photos as claire and robert has taken 16 more photos than claire . how many photos has claire taken ? | [
"6",
"8",
"10",
"12"
] | B | "l = r l = 3 c r = c + 16 3 c = c + 16 c = 8 the answer is b ." |
sciq | sciq_01_00453 | The water cycle involves movement of water between air and what? | [
"tree",
"animals",
"air",
"land"
] | D | |
sciq | sciq_01_09419 | Scrubbers and catalytic converters are examples of technologies that change what into harmless compounds? | [
"mutations",
"toxins",
"contaminants",
"pollutants"
] | D | Some of the pollutants from fossil fuels can be filtered out of exhaust before it is released into the air ( Figure below ). Other pollutants can be changed to harmless compounds before they are released. Two widely used technologies are scrubbers and catalytic converters. |
sciq | sciq_01_05037 | Red blood cells do not perform aerobic respiration, but they do perform what process that is nearly universal to organisms? | [
"mitosis",
"digestion",
"glycolysis",
"reproduction"
] | C | CRITICAL THINKING QUESTIONS 18. Why is it beneficial for cells to use ATP rather than energy directly from the bonds of carbohydrates? What are the greatest drawbacks to harnessing energy directly from the bonds of several different compounds? 19. Nearly all organisms on earth carry out some form of glycolysis. How doe... |
ARC-Challenge | arc_04_02183 | Trees most likely change the environment in which they are located by | [
"releasing nitrogen in the soil.",
"crowding out non-native species.",
"adding carbon dioxide to the atmosphere.",
"removing water from the soil and returning it to the atmosphere."
] | D | null |
sciq | sciq_01_00245 | The rings of what planet can be easily seen from earth? | [
"jupiter",
"Neptune",
"saturn",
"Venus"
] | C | All of the outer planets have numerous moons. They also have planetary rings made of dust and other small particles. Only the rings of Saturn can be easily seen from Earth. |
math_qa | mathqa_03_01969 | a man buys an item at rs . 1300 and sells it at the loss of 20 percent . then what is the selling price of that item | [
"rs . 660",
"rs . 760",
"rs . 860",
"rs . 1040"
] | D | explanation : here always remember , when ever x % loss , it means s . p . = ( 100 - x ) % of c . p when ever x % profit , it means s . p . = ( 100 + x ) % of c . p so here will be ( 100 - x ) % of c . p . = 80 % of 1300 = 80 / 100 * 1300 = 1040 option d |
medmcqa | medmcqa_05_01524 | Borrelia recurrentis in transmitted by | [
"Mite",
"Louse",
"Tick",
"Mosquito"
] | B | Louse-borne infections include: 1.Pediculosis 2.Epidemic typhus (Rickettsia prowazekii) 3.Relapsing fever (Borrelia recurrentis) 4.Trench fever (Rochlamia Quintana) |
sciq | sciq_01_09165 | What is continually released during childbirth through a positive feedback mechanism and prompts uterine contractions to fetal head toward the cervix? | [
"hemoglobin",
"oxytocin",
"vasopressin",
"insulin"
] | B | muscle cells of the uterus become more sensitive to its effects. Oxytocin is continually released throughout childbirth through a positive feedback mechanism. As noted earlier, oxytocin prompts uterine contractions that push the fetal head toward the cervix. In response, cervical stretching stimulates additional oxytoc... |
openbookqa | obqa_02_02620 | Sun falling on mountains and the dessert at the same time leaves the area susceptible to | [
"meltdowns",
"convection",
"earthquakes",
"power failures"
] | B | uneven heating causes convection |
sciq | sciq_01_05139 | What process involves two cell divisions and produces four haploid cells? | [
"mutations",
"Klerokinesis",
"meiosis",
"Mitosis"
] | C | Meiosis involves two cell divisions and produces four haploid cells. |
openbookqa | obqa_02_01515 | What's a good way to heat up inside after ice skating on a frozen lake? | [
"Put on a swimming suit",
"set fire to some snow",
"run a cool bath",
"set fire to some natural gas"
] | D | natural gas is a source of heat by burning |
openbookqa | obqa_02_00588 | The bee provided a valuable service to the | [
"house.",
"rock",
"water",
"rose"
] | D | An insect is a pollinating animal |
math_qa | mathqa_03_01604 | it takes 1.5 hours for tim to mow the lawn . linda can mow the same lawn in 2 hours . how long will it take john and linda , work together , to mow the lawn ? | [
"51.1 minutes",
"51.3 minutes",
"51.5 minutes",
"51.7 minutes"
] | C | we first calculate the rate of work of john and linda john : 1 / 1.5 and linda 1 / 2 let t be the time for john and linda to mow the lawn . the work done by john alone is given by t * ( 1 / 1.5 ) the work done by linda alone is given by t * ( 1 / 2 ) when the two work together , their work will be added . hence t * ( 1... |
openbookqa | obqa_02_00841 | A parrot has been eating a lot of fattening food. This could lead to | [
"the parrots' parents scolding him",
"the parrot becoming a faster flyer",
"the parrot having trouble getting off the ground",
"the parrot ending up in the hospital"
] | C | as the weight of an animal decreases , that animal will fly more easily |
sciq | sciq_01_04479 | Viruses were assumed to exist before they were first seen with an electron microscope in which decade? | [
"1960's",
"1940's",
"1890's",
"1930 ' s"
] | D | Viruses were assumed to exist before they were first seen with an electron microscope in the 1930s. Multiple hypotheses for viral origins have been proposed. |
math_qa | mathqa_03_04753 | each of the 42 points is placed either inside or on the surface of a perfect sphere . if 65 % or fewer of the points touch the surface , what is the maximum number of segments which , if connected from those points to form chords , could be the diameter of the sphere ? | [
"7",
"11",
"13",
"23"
] | C | "maximum number of points on the surface is 65 % * 42 = 27.3 . . . or 27 since it has to be an integer now note that if two points form a diameter , they can not be part of any other diameter . so in the best case we can pair up the points we have 27 points , so at best we can form 13 pairs ( 26 ) . so , answer is ( c ... |
sciq | sciq_01_07282 | What process produces four haploid daughter cells, each genetically unique? | [
"meiosis",
"budding",
"electrolysis",
"mitosis"
] | A | Mitosis vs. Meiosis Comparison. Mitosis produces two diploid daughter cells, genetically identical to the parent cell. Meiosis produces four haploid daughter cells, each genetically unique. See How Cells Divide: Mitosis vs. Meiosis at http://www. pbs. org/wgbh/nova/miracle/divide. html for an animation comparing the tw... |
openbookqa | obqa_02_02421 | A ball can be moved by force when | [
"a dog sees",
"a ball sits",
"a child notices",
"a foot exerts"
] | D | if an object is kicked then force is exerted on that object |
sciq | sciq_01_00773 | What will the contraction of smooth muscles help organs do? | [
"carry out functions",
"move joints",
"fine motor movements",
"move across distances"
] | A | Muscle tissue in the walls of internal organs such as the stomach and intestines is smooth muscle . When smooth muscle contracts, it helps the organs carry out their functions. For example, when smooth muscle in the stomach contracts, it squeezes the food inside the stomach, which helps break the food into smaller piec... |
medmcqa | medmcqa_05_00425 | Which of the following chemotherapeutic drugs has selective action on hypoxic tumor cells ? | [
"Mitomycin C",
"Cisplatin",
"Doxorubicin",
"5 Flurouracil"
] | A | Ans. is 'a' i.e., Mitomycin Some impoant points about mitomycin. Mitomycin acts preferrentially on hypoxic cells It is a potent radiosensitizer It is absorbed consistently from Gl. tract so it administered by intravenous infusion |
ARC-Easy | arc_04_00174 | Which property of Earth's interior keeps the innermost part in a solid state? | [
"relatively low temperature",
"extremely high pressure",
"high rate of heat flow",
"low rate of radioactive decay"
] | B | null |
sciq | sciq_01_06864 | What is the smallest volcanic landform that is formed from accumulation of many small fragments of ejected material? | [
"log cones",
"concave cones",
"cinder cones",
"edifice cones"
] | C | Cinder cones are the smallest volcanic landform. They are formed from accumulation of many small fragments of ejected material. |
medmcqa | medmcqa_05_02280 | Female newborn presents with vaginal bleeding , 4 days after bih, what is to be done? | [
"Wait and watch",
"Clotting Factor deficiency to be ruled out",
"Bleeding time to be done",
"Blood transfusion"
] | B | Clotting factors deficiency may be reason for the bleeding in New Born . Reference: GHAI Essential pediatrics, 8th edition |
math_qa | mathqa_03_03229 | if 2 x + y = 7 and x + 2 y = 5 , then xy / 3 = | [
"1",
"4 / 3",
"17 / 5",
"18 / 5"
] | A | "2 * ( x + 2 y = 5 ) equals 2 x + 4 y = 10 2 x + 4 y = 10 - 2 x + y = 7 = 3 y = 3 therefore y = 1 plug and solve . . . 2 x + 1 = 7 2 x = 6 x = 3 xy / 3 = 3 * 1 / 3 = 1 a" |
ARC-Easy | arc_04_01184 | A scientist studies how weathering and erosion can change the shape of a mountain. The scientist needs to collect information over what period of time to gather the most accurate information? | [
"days",
"weeks",
"months",
"years"
] | D | null |
math_qa | mathqa_03_04471 | christine selects an item at a 25 % off ticket price sale . the item is ticket priced at $ 25 . how much should christine expect to pay at the register ? | [
"22.5",
"20.0",
"18.75",
"12.5"
] | C | r . p . = $ 25.00 sale % = 25 s . p . = r . p . * ( 1 - ( sale % / 100 ) ) = 25 * ( 1 - ( 25 / 100 ) ) = 18.75 answer : c |
openbookqa | obqa_02_04688 | A person with a pet amphibian will likely feed it | [
"deer",
"wax",
"steak",
"meal worms"
] | D | adult amphibians live on land |
openbookqa | obqa_02_02704 | migration is when animals travel from the north to Texas during what segment of time? | [
"beach area",
"spring",
"winter",
"birds"
] | C | some birds live in forests |
sciq | sciq_01_06729 | What is the disease in which cells grow out of control and form abnormal masses? | [
"HIV",
"cancer",
"bronchitis",
"diabetes"
] | B | Cancer is a disease in which cells grow out of control and form abnormal masses of cells. It is generally caused by mutations in genes that regulate the cell cycle. Because of the mutations, cells with damaged DNA are allowed to divide without limits. Cancer genes can be inherited. You can learn more about hereditary c... |
medmcqa | medmcqa_05_04553 | The schedule of HDCV in rabies is- | [
"0,3, 7,14, 28",
"0, 3, 14, 28, 90",
"3, 7, 14, 16,18",
"0, 7, 14, 16, 18"
] | A | Ans- A 0,3, 7,14, 28 Ref- Vaccine Post-exposure prophylaxis depends on the type of contact with the confirmed or suspect rabid animal, as follows: 1. Wound treatment Thorough washing of the wound with soap/detergent and water, followed by the application of ethanol or an aqueous solution of iodine or povidone. 2. Passi... |
sciq | sciq_01_06944 | What property increases as an object's mass increases, making a full box harder to push than an empty one? | [
"weight",
"inertia",
"magnetism",
"gravity"
] | B | The inertia of an object depends on its mass. Objects with greater mass also have greater inertia. Think how hard it would be to push a big box full of books, like the one in Figure below . Then think how easy it would be to push the box if it was empty. The full box is harder to move because it has greater mass and th... |
openbookqa | obqa_02_03652 | Hot water is best when you want to | [
"go rock climbing",
"have cold drinks",
"cleanse your hands",
"go running"
] | C | a shower is a source of hot water for washing |
openbookqa | obqa_02_02039 | the decrease of something required by an organism has a negative impact on that organism 's what? | [
"soil",
"being",
"survival knife",
"wood"
] | B | the decrease of something required by an organism has a negative impact on that organism 's survival |
sciq | sciq_01_07582 | What is the most common way to classify stars? | [
"by distance",
"by age",
"by size",
"by color"
] | D | The most common way of classifying stars is by color as shown, in Table below . Each class of star is given a letter, a color, and a range of temperatures. The letters don’t match the color names because stars were first grouped as A through O. It wasn't until later that their order was corrected to go by increasing te... |
sciq | sciq_01_09867 | What part of an egg contains the genetic material ? | [
"the sperm",
"the nucleus",
"here.the nucleus",
"the fetus"
] | B | The ostrich egg - unfertilized, of course. Yes, this egg, just like a human ovum, is just one cell. The egg shell membrane encloses the nucleus containing the genetic material and the cytoplasm. |
openbookqa | obqa_02_00465 | Which is a solid? | [
"Kool-aid",
"urine",
"helium",
"ice sculpture"
] | D | Matter in the solid phase has definite shape |
sciq | sciq_01_07617 | What makes up most of the inside of a plant? | [
"ground tissue",
"star tissue",
"animal tissue",
"mitochondria"
] | A | In normal faults , the hanging wall drops down relative to the footwall. Normal faults are caused by tension that pulls the crust apart. This causes the hanging wall to slide down. Normal faults can build huge mountain ranges in regions experiencing tension ( Figure below ). |
ARC-Challenge | arc_04_03095 | One effect of ocean pollution is that it can reduce populations of phytoplankton and algae. The reduction of these populations might have which impact on an ecosystem? | [
"decreasing the level of carbon dioxide in the atmosphere",
"decreasing the amount of oxygen being produced",
"increasing the amount of marine sediments",
"increasing salt-water fish populations"
] | B | null |
sciq | sciq_01_02324 | The modern atomic theory states that all matter is composed of what? | [
"molecules",
"quarks",
"atoms",
"ions"
] | C | The modern atomic theory states that all matter is composed of atoms. |
sciq | sciq_01_09306 | Metabolic enzymes catalyze catabolic reactions that break down what? | [
"lipids",
"proteins",
"impurities",
"carbohydrates"
] | D | 24.2 Carbohydrate Metabolism Metabolic enzymes catalyze catabolic reactions that break down carbohydrates contained in food. The energy released is used to power the cells and systems that make up your body. Excess or unutilized energy is stored as fat or glycogen for later use. Carbohydrate metabolism begins in the mo... |
medmcqa | medmcqa_05_04448 | Which hormone is converted into active form in liver- | [
"Corticosteroid",
"ACTH",
"Thyroid hormone",
"Estradiol"
] | C | Ans. is 'c' i.e., Thyroid hormoneo Thyroxine (T4) is converted to T3 (active form) in liver (majority) and kidney |
math_qa | mathqa_03_02147 | a small college reduced its faculty by approximately 25 percent to 195 professors . what was the original number of faculty members ? | [
"182",
"260",
"224",
"254"
] | B | "if x is the original number of faculty members , then after 25 % reduction in faculty members number is . 75 x but we are given . 75 x = 195 x = 260 so the original number of faculty members is 260 correct answer - b" |
medmcqa | medmcqa_05_00300 | 'D' cells of the pancreas secrete: | [
"Insulin",
"Glucagon",
"Intestinal peptide",
"Somatostatin"
] | D | D i.e. Somatostatin |
sciq | sciq_01_01397 | What type of waste is eliminated from the body through the anus? | [
"urine",
"solid",
"liquid",
"carbon dioxide"
] | B | solid waste that remains after food is digested and is eliminated from the body through the anus. |
sciq | sciq_01_02700 | When your body digests food, it breaks down the molecules of nutrients and releases what? | [
"calories",
"waste materials",
"gas",
"energy"
] | D | Carbohydrates, proteins, and lipids contain energy. When your body digests food, it breaks down the molecules of these nutrients. This releases the energy so your body can use it. |
sciq | sciq_01_09460 | Sterols are a subgroup of what? | [
"antibiotics",
"nuclides",
"steroids",
"nutrients"
] | C | Steroids (or sterols) have several functions. Sterols are a subgroup of steroids. The sterol cholesterol is an important part of cell membranes and plays other vital roles in the body. Cholesterol is a precursor to fat-soluble vitamins and steroid hormones. Steroid hormones include the male and female sex hormones. Ste... |
ARC-Easy | arc_04_01644 | Samuel investigated the effect of temperature on the growth of snapdragons. He recorded the results from the investigation and found that snapdragons do not grow well in low temperatures. What is the purpose of this conclusion in the scientific process? | [
"It helps to organize the data.",
"It helps to evaluate the hypothesis.",
"It helps to prepare for an investigation.",
"It helps to collect information from observations."
] | B | null |
sciq | sciq_01_11432 | Natural convection is driven by what forces? | [
"gravitational",
"buoyant",
"magnetic",
"thermal"
] | B | sweating. These vessels become smaller when it is cold outside and larger when it is hot (so more fluid flows, and more energy is transferred). The body also loses a significant fraction of its heat through the breathing process. While convection is usually more complicated than conduction, we can describe convection a... |
sciq | sciq_01_09741 | What are objects that are launched into the air called? | [
"booms",
"stones",
"projectiles",
"shoots"
] | C | Objects that are launched into the air are called projectiles . The path followed by a projectile in motion is called a trajectory . The image of the snowboarder in the chapter introduction showed his trajectory; every object has a trajectory even when we cannot see it. Projectile motion , or the object's trajectory, i... |
ARC-Easy | arc_04_00484 | To which group does an animal belong if it lays eggs and has scales and gills? | [
"amphibian",
"bird",
"fish",
"reptile"
] | C | null |
medmcqa | medmcqa_05_03559 | Which of the following is not used for thromboprophylaxis: | [
"Heparin",
"Warfarin",
"Antithrombin III",
"Aspirin"
] | C | Ans. (C) Antithrombin III(Ref: Katzung 10/e p544; KDT 8/e p664)Anticoagulants are mainly used for venous thrombosis and are highly effective in treatment and prophylaxis of deep vein thrombosis. Warfarin is the most commonly used drug in a patient with chronic atrial fibrillation (to prevent the thromboembolism).Aspiri... |
sciq | sciq_01_02731 | Which body system releases hormones that act on target cells to regulate development, growth, energy metabolism, reproduction, and many behaviors? | [
"endocrine system",
"exocrine system",
"lymphatic",
"pituitary"
] | A | 37.5 | Endocrine Glands By the end of this section, you will be able to: • Describe the role of different glands in the endocrine system • Explain how the different glands work together to maintain homeostasis Both the endocrine and nervous systems use chemical signals to communicate and regulate the body's physiology.... |
math_qa | mathqa_03_00803 | the ratio of the number of females to males at a party was 1 : 2 but when 6 females and 6 males left , the ratio became 1 : 3 . how many people were at the party originally ? | [
"24",
"28",
"32",
"36"
] | D | "the total number of people are x females + 2 x males . 3 * ( x - 6 ) = 2 x - 6 x = 12 there were 3 x = 36 people at the party originally . the answer is d ." |
math_qa | mathqa_03_01311 | the salaries of a , b , and c are in the ratio of 1 : 2 : 3 . the salary of b and c together is rs . 6000 . by what percent is the salary of c more than that of a ? | [
"209 %",
"200 %",
"290 %",
"600 %"
] | B | explanation : let the salaries of a , b , c be x , 2 x and 3 x respectively . then , 2 x + 3 x = 6000 = > x = 1200 . a ' s salary = rs . 1200 , b ' s salary = rs . 2400 , and cs salary rs . 3600 . excess of c ' s salary over a ' s = [ ( 2400 / 1200 ) x 100 ] = 200 % . answer : b ) 200 % |
openbookqa | obqa_02_04876 | A glacier is made from | [
"the same stuff as pencils are made from",
"the same stuff as steam",
"the same stuff as the gas that lights up signs",
"the same stuff as the gas that fills up balloons"
] | B | a glacier is made of ice |
sciq | sciq_01_07731 | The study of how organisms develop is known as? | [
"embryology",
"botany",
"physics",
"ethology"
] | A | Some of the oldest evidence of evolution comes from embryology , the study of how organisms develop. An embryo is an animal or plant in its earliest stages of development. This means looking at a plant or animal before it is born or hatched. Centuries ago, people recognized that the embryos of many different species ha... |
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