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 ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_08680 | Sickle cell anemia is what type of disorder? | [
"spontaneous mutation",
"nongenetic disorder",
"autosomal recessive disorder",
"autosomal dominant disorder"
] | C | Sickle-Shaped and Normal Red Blood Cells. Sickle cell anemia is an autosomal recessive disorder. The mutation that causes the disorder affects just one amino acid in a single protein, but it has serious consequences for the affected person. This photo shows the sickle shape of red blood cells in people with sickle cell... |
sciq | sciq_01_00299 | What evolved, adapted response to resource availability is the long-range seasonal movement of animals? | [
"regulating",
"changing",
"Stagnation",
"migration"
] | D | Migration Migration is the long-range seasonal movement of animals. It is an evolved, adapted response to variation in resource availability, and it is a common phenomenon found in all major groups of animals. Birds fly south for the winter to get to warmer climates with sufficient food, and salmon migrate to their spa... |
sciq | sciq_01_08202 | Gametes are products through meiosis in which organs? | [
"gonads",
"cones",
"kidneys",
"hormones"
] | A | At the end of meiosis, haploid cells are produced. These cells need to further develop into mature gametes capable of fertilization, a process called gametogenesis ( Figure below ). Animals produce gametes directly through meiosis in organs called gonads. Gametogenesis differs between the sexes. In the male, the produc... |
ARC-Challenge | arc_04_02643 | Which animal is preparing for a seasonal change in the environment? | [
"a bat flying at night",
"a deer drinking water",
"an owl eating a mouse",
"a squirrel storing nuts"
] | D | null |
sciq | sciq_01_07803 | Muscle groups are controlled by what mechanism? | [
"motor cortex",
"growth hormones",
"activation energy",
"cerebral cortex"
] | A | Figure 35.22 Different parts of the motor cortex control different muscle groups. Muscle groups that are neighbors in the body are generally controlled by neighboring regions of the motor cortex as well. For example, the neurons that control finger movement are near the neurons that control hand movement. |
sciq | sciq_01_10800 | Who controls prey population? | [
"bees",
"parasites",
"ecosystems",
"predators"
] | D | |
math_qa | mathqa_03_04159 | a reduction of 25 % in the price of oil enables a house wife to obtain 5 kgs more for rs . 600 , what is the reduced price for kg ? | [
"30",
"60",
"70",
"80"
] | A | "a 600 * ( 25 / 100 ) = 150 - - - - 5 ? - - - - 1 = > rs . 30" |
sciq | sciq_01_02006 | Which theory explains how populations of organisms can change over time? | [
"evolution by natural selection",
"free by natural selection",
"intelligent selection",
"changes by natural selection"
] | A | The theory of evolution by natural selection explains how populations of organisms can change over time. As environments change, so must the traits of organisms if they are to survive in the new conditions. Evolution by natural selection explains how this happens. It also explains why there are so many different specie... |
openbookqa | obqa_02_01787 | Which type of cell must perform all life functions? | [
"candida",
"sea turtle",
"dragonfly",
"daisy"
] | A | if a cell can not specialize then that cell must perform all life functions |
ARC-Easy | arc_04_01195 | The continental crust floats on top of the mantle because the crust is | [
"less dense than the mantle.",
"made of a liquid material.",
"made up of oxygen which is a light element.",
"separated from the mantle by a layer of water."
] | A | null |
medmcqa | medmcqa_05_04980 | The rate of skeletal muscle relaxation is related to the rate: | [
"At which free Ca++ is removed from the sarcoplasm",
"At which phosphocreatine is metabolized",
"Of ATP hydrolysis",
"Of acetylcholine resynthesis"
] | A | The rate of skeletal muscle relaxation is related to the rate at which free Ca++ is removed from the sarcoplasm. A fraction of a second after its release Ca++ is pumped back into the sarcoplasmic reticulum. This removes Ca++ from the troponin thus allowing the tropomyosin to cover the active sites of the actin. This pr... |
medmcqa | medmcqa_05_00096 | Gene for the ryanodine receptor, mutation in which is responsible for malignant hypehermia is located on which chromosome- | [
"Chromosome 19",
"Chromosome 17",
"Chromosome 18",
"Chromosome 16"
] | A | Malignant hypehermia is a genetic(autosomal dominant) hypermetabolic muscle disease. Malignant hypehermia is a genetic disorder; there is a defect in the gene that codes for the protein ryanodine receptor (RyR) in skeletal muscle. Ryanodine receptor is a Ca2+-release channel present in the membrane of L-tubule of skele... |
sciq | sciq_01_05452 | In biology, a relationship that benefits both entities is known as what? | [
"predatory",
"altruism",
"naturalism",
"mutualism"
] | D | Some bacteria depend on other organisms for survival. For example, some bacteria live in the roots of legumes, such as pea plants ( Figure below ). The bacteria turn nitrogen-containing molecules into nitrogen that the plant can use. Meanwhile, the root provides nutrients to the bacteria. In this relationship, both the... |
openbookqa | obqa_02_01032 | If the trees in an area are growing in soil rich with a certain vitamin, what might happen? | [
"the vitamin would evaporate",
"the vitamin would leak back into the ground",
"the trees would mutate and die",
"the squirrels would have that vitamin in their system"
] | D | if some nutrients are in the soil then those nutrients are in the food chain |
ARC-Easy | arc_04_01062 | An organism, such as a nematode worm, may have only 1000 cells. It should be classified as being | [
"a virus.",
"a bacteria.",
"unicellular.",
"multicellular."
] | D | null |
math_qa | mathqa_03_03742 | a cylinder is 6 cms in diameter and 6 cms in height . if spheres of the same size are made from the material obtained , what is the diameter of each sphere ? | [
"5 cms'",
"2 cms'",
"3 cms'",
"4 cms'"
] | C | since the sphere is made out of the cylinder material their volume will be same volume of cylinder = pi * 3 ^ 2 * 6 volume of one sphere = 4 / 3 * pi * r ^ 3 ( where r is radius of sphere ) so if there are n such sphere ' s equating the volumes , pi * r ^ 2 * h = n * ( 4 / 3 ) * pi * r ^ 3 n is the number of spheres , ... |
medmcqa | medmcqa_05_02082 | Auxotonic contraction of a muscle is: | [
"Same as isotonic contraction for different lengths of fibres",
"Based on the principle of \"recruitment of motor units\"",
"Combination of isometric + isotonic contractions",
"Dynamic followed by adynamic contraction"
] | B | Auxotonic contraction: is the one in which the strength of contraction goes increasing, as the contraction proceeds. This phenomenon is about a single contraction. As the contraction proceeds, more and more motor units may be recruited in the contraction, thus increasing the strength of contraction.This is in skeletal ... |
openbookqa | obqa_02_04017 | What is a source of oxygen through photosynthesis? | [
"lakes",
"car engines",
"sunflowers",
"people"
] | C | plants are a source of oxygen through photosynthesis |
medmcqa | medmcqa_05_00593 | Locking of the knee joint is caused by the contraction of: | [
"Popliteus",
"Biceps femoris",
"Semimembranosus",
"Quadriceps femoris"
] | D | Ans. D. Quadriceps femorisLocking of the knee happens during the last stages of extension when a person is standing up. Medial rotation of femur occurs during locking movement. This movement is aided by oblique pull of the ligaments of the knee joint and contraction of the quadriceps muscles. The ligaments are pulled t... |
sciq | sciq_01_06291 | What term is used to describe an unusual sound coming from the heart that is caused by the turbulent flow of blood? | [
"garble",
"music",
"murmur",
"whisper"
] | C | The term murmur is used to describe an unusual sound coming from the heart that is caused by the turbulent flow of blood. Murmurs are graded on a scale of 1 to 6, with 1 being the most common, the most difficult sound to detect, and the least serious. The most severe is a 6. Phonocardiograms or auscultograms can be use... |
openbookqa | obqa_02_03549 | the energy of the ocean can be harnessed to charge a battery that eventually powers a | [
"cupcake",
"rock",
"nosehair trimmer",
"tree"
] | C | tidal energy can be used to produce electricity |
sciq | sciq_01_03841 | What orbits an atoms' nucleus? | [
"neutrally charged ions",
"negatively charged electrons",
"positively charged protons",
"isotopes"
] | B | An atom has negatively-charged electrons in orbit around its nucleus. |
sciq | sciq_01_06393 | What is the name of the muscle at the end of the esophagus? | [
"intestine",
"neck",
"throat",
"sphincter"
] | D | From the pharynx, the food moves into the esophagus. The esophagus is a long, narrow tube that passes food from the pharynx to the stomach by peristalsis. The esophagus has no other digestive functions. At the end of the esophagus, a muscle called a sphincter controls the entrance to the stomach. The sphincter opens to... |
math_qa | mathqa_03_02176 | what is the smallest integer that is multiple of 3 , 5,9 | [
"a",
"b",
"c",
"d"
] | B | "it is the lcm of 3 , 5 and 9 which is 45 . the answer is b ." |
math_qa | mathqa_03_02703 | the ratio of the present age of sandy to that of molly is 7 : 2 . twelve years from now , the ratio of the ages of sandy to molly will be 5 : 2 . what was sandy ' s age 6 years ago ? | [
"39",
"45",
"51",
"57"
] | D | "let the present age of sandy be 7 x years and that of molly be 2 x years . ( 7 x + 12 ) / ( 2 x + 12 ) = 5 / 2 4 x = 36 x = 9 six years ago , sandy ' s age was 7 ( 9 ) - 6 = 57 the answer is d ." |
openbookqa | obqa_02_03006 | Electrical flow can be slowed down if there is an insulator | [
"protected",
"avoided",
"active",
"demoted"
] | C | an electrical insulator slows the transfer of electricity |
sciq | sciq_01_06012 | Because pathogenic bacteria typically cause disease by releasing exotoxins or endotoxins, they have potential use as what type of weapon? | [
"nuclear missile",
"radioactive",
"bioterrorism",
"pandemic"
] | C | |
sciq | sciq_01_03640 | Oceans help control global warming by absorbing what? | [
"carbon dioxide",
"methane",
"hydrogen",
"ozone"
] | A | Ocean water also absorbs gases from the atmosphere. The most important are oxygen and carbon dioxide. Oxygen is needed by living things in the oceans. Much of the carbon dioxide sinks to the bottom of the seas. Carbon dioxide is a major cause of global warming. By absorbing carbon dioxide, the oceans help control globa... |
sciq | sciq_01_02495 | What are the only regions of space that electrons can occupy? | [
"inside nuclei",
"inside protons",
"orbits",
"galaxies"
] | C | Electrons can occupy only certain regions of space, called orbits. |
sciq | sciq_01_06905 | What is formed from an alcohol that loses water? | [
"amines",
"alkenes",
"alcohols",
"Bonds"
] | B | Alcohols can lose water to form alkenes. |
openbookqa | obqa_02_01761 | A metal rod is sitting outside and soaks up a lot of energy from a star, so the metal | [
"cries",
"wiggles",
"sears",
"dies"
] | C | if a substance absorbs solar energy then that substance will increase in temperature |
medmcqa | medmcqa_05_02898 | A malignant tumor of childhood, that metastasizes to bones most often, is – | [
"Wilm's tumor",
"Neuroblastoma",
"Adrenal gland tumors",
"Granulosa cell tumor of ovary"
] | B | Metastasis present in 60-70% of children at time of diagnosis are usually to the skeleton, characteristically to the facial bones and the skull and to the bone marrow and nodes' |
sciq | sciq_01_09496 | What is the active ingredient in cloves? | [
"eugenol",
"methyl",
"thiamine",
"nicotine"
] | A | Eugenol, the active ingredient in cloves, has the formula C 10 H 12 O 2 . Eugenol is a molecular substance that does not dissociate into ions when dissolved in a solvent. What is the boiling point of a solution in which 0.144 g of eugenol is dissolved in 10.0 g benzene? The k b value for benzene is 2.53 °C/ m , and the... |
medmcqa | medmcqa_05_01158 | Best uterine relaxation is seen with – | [
"Chloroform",
"Nitrous oxide",
"Ether",
"Halothane"
] | D | All fluorinated inhalational agents (including halothane) can cause uterine relaxation. Traditionally, Halothane is considered as to posseses maximum uterine relaxant property. |
ARC-Easy | arc_04_01028 | Carolina uses a microscope to view a soil sample taken from her backyard. Which part of the soil would she ONLY be able to see with a microscope? | [
"bacteria",
"grass",
"rainwater",
"rocks"
] | A | null |
sciq | sciq_01_08463 | Phospholipids and some proteins move laterally within what? | [
"particles",
"liquids",
"membrane",
"nuclei"
] | C | |
math_qa | mathqa_03_01966 | a profit of rs . 20000 is to be distributed among a , b , c in the proportion 2 : 3 : 5 . what will be the difference between b ’ s and c ’ s shares | [
"4000",
"3000",
"5500",
"4500"
] | A | explanation : b ' s share = rs 20000 * ( 3 / 10 ) = rs 6000 c ' s share = rs 20000 * ( 5 / 10 ) = rs 10000 difference in b ' s and c ' s shares = rs 4000 answer : a |
sciq | sciq_01_04980 | The presence of solute particles blocks some of the ability for liquid particles to do what? | [
"fuse",
"dissolve",
"evaporate",
"melt"
] | C | The presence of solute particles blocks some of the ability for liquid particles to evaporate. Thus, solutions of solid solutes typically have a lower vapor pressure than the pure solvent. |
openbookqa | obqa_02_00631 | Certain moths are able to experience incomplete metamorphosis by | [
"skipping cocooning",
"eating more fruit",
"flying further",
"breeding quickly"
] | A | incomplete metamorphosis is when an insect reaches the adult stage without being a pupa |
sciq | sciq_01_03107 | What protective substance covers the skin of most reptiles? | [
"scales",
"feathers",
"pores",
"hairs"
] | A | Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. They include crocodiles, alligators, lizards, snakes, and turtles. The reptile class is one of the largest classes of vertebrates. It consists of all amniotes except birds and mammals. Reptiles have several adaptations for living on dry land that ... |
sciq | sciq_01_10487 | What are ingrowths on arthropod exoskeletons to which muscles attach? | [
"apodemes",
"pores",
"rods",
"joints"
] | A | Figure 33.3 Apodemes are ingrowths on arthropod exoskeletons to which muscles attach. The apodemes on this crab leg are located above and below the fulcrum of the claw. Contraction of muscles attached to the apodemes pulls the claw closed. |
openbookqa | obqa_02_04866 | What will be more available in an area when rainfall increases? | [
"air",
"fire",
"H2O",
"dirt"
] | C | rainfall is the amount of rain an area receives |
ARC-Challenge | arc_04_02965 | Rat snakes, Elaphe obsoleta, are a species made of many distinct populations in different areas. Each of the populations has different markings and colorings. Where would rat snakes most likely be gray? | [
"in a forest",
"in a swamp",
"in a gravel pit",
"in a corn field"
] | C | null |
sciq | sciq_01_01678 | What takes both the shape and the volume of their container? | [
"solids",
"fluids",
"gases",
"tissues"
] | C | Solids have a fixed volume and a fixed shape. Liquids have a fixed volume but take the shape of their container. Gases take both the volume and the shape of their container. |
openbookqa | obqa_02_03266 | Which of the following would be considered the most windy | [
"a light drizzle",
"a light breeze",
"a powerful front",
"a tremendous hurricane"
] | D | windy means high wind speeds |
sciq | sciq_01_11410 | How many possible alleles do the majority of human genes have? | [
"less than four",
"three or more",
"two or less",
"two or more"
] | D | The majority of human genes have two or more possible alleles. Differences in alleles account for the considerable genetic variation among people. In fact, most human genetic variation is the result of differences in individual DNA bases within alleles. |
openbookqa | obqa_02_04722 | At the end of their season lumberjacks will seed a new | [
"batch of chickens",
"track of land",
"popcorn machine",
"home garden"
] | B | An example of replacing a natural resource is planting new trees where a forest once stood |
medmcqa | medmcqa_05_01590 | Resistant hypeension is when goal not achieved with- | [
"4 drugs + diuretics",
"2 drugs + diuretics",
"3 drugs + diuretics",
"5 drugs + diuretics"
] | B | The term Resistant hypeension refers to patients with blood pressure persistently >140/90mm hg despite taking 3 or more antihypeensive drugs including a diuretic. It is more common in patients aged >60 yrs . Resistant hypeension may be related to pseudoresistance(high office bp and low home bp),non adherent to therapy,... |
openbookqa | obqa_02_00498 | If I wanted to prevent a blister when running I can | [
"wear layers",
"Run barefoot",
"Walk instead",
"Wear sandals"
] | A | as the thickness of an object increases , the resistance to damage of that object will increase |
ARC-Easy | arc_04_01741 | What is the main source of energy that causes water to evaporate from the surface of Earth? | [
"lightning",
"sun",
"gravity",
"wind"
] | B | null |
math_qa | mathqa_03_04643 | a rectangular tiled patio is composed of 126 square tiles . the rectangular patio will be rearranged so that there will be 2 fewer columns of tiles and 4 more rows of tiles . after the change in layout , the patio will still have 126 tiles , and it will still be rectangular . how many rows are in the tile patio before ... | [
"5'",
"6'",
"9'",
"13'"
] | C | suppose there are c columns and there are r rows original situation so , number of tiles = c * r = 126 also . reach column has r tiles and each row has c tiles new situation number of tiles in each column is r - 2 and number of tiles in each row is c + 4 so , number of rows = r - 2 and number of columns is c + 4 so , n... |
sciq | sciq_01_04029 | What was the first object to form in the solar system? | [
"jupiter",
"moon",
"earth",
"sun"
] | D | The Sun was the first object to form in the solar system. Gravity pulled matter together to the center of the disk. Density and pressure increased tremendously. Nuclear fusion reactions begin. In these reactions, the nuclei of atoms come together to form new, heavier chemical elements. Fusion reactions release huge amo... |
math_qa | mathqa_03_04584 | a and b started a business in partnership investing rs . 20,000 and rs . 15,000 respectively . after 6 months , c joined them with rs . 20,000 . whatwill be b ' s share in total profit of rs . 20,000 earned at the end of 2 years from the startingof the business ? | [
"s . 5,000",
"s . 5,500",
"s . 5,700",
"s . 6,000"
] | D | a : b : c = ( 20,000 x 24 ) : ( 15,000 x 24 ) : ( 20,000 x 18 ) = 4 : 3 : 3 . b ' s share = rs . 20000 x 3 / 10 = rs . 6,000 . d |
openbookqa | obqa_02_04510 | Which of the following breathes? | [
"a basketball",
"a rope",
"a saw",
"a zebra"
] | D | all animals breathe |
sciq | sciq_01_10466 | Pharmacist and surveyor are two career options based in what type of science? | [
"visible",
"physical",
"Business",
"obvious"
] | B | There are many career options in physical science. Examples include pharmacist and surveyor. |
sciq | sciq_01_04943 | Compounds that form from two or more nonmetallic elements are called what? | [
"valent bonds",
"ionic bonds",
"hydrogen bonds",
"covalent bonds"
] | D | Compounds that form from two or more nonmetallic elements, such as carbon and hydrogen, are called covalent compounds . In a covalent compound, atoms of the different elements are held together in molecules by covalent bonds. These are chemical bonds in which atoms share valence electrons. The force of attraction betwe... |
medmcqa | medmcqa_05_03802 | A patient presents with a wound on his leg. It heals six weeks later. Which of the following mediators is involved in promoting wound healing? | [
"TGF -Beta",
"TNF-Alpha",
"INF-Beta",
"IFN-Alpha"
] | A | TGF b (Transforming growth factor b) was responsible for the wound healing. It inhibits T- and B-cell proliferation. It acts as a growth factor for fibroblasts and also promotes class switching of B cells to IgA. TGF b is produced by T and B cells. IL-10 is also involved in wound healing and suppression of inflammation... |
openbookqa | obqa_02_04774 | A child will only grow if they are provided with | [
"energy",
"education",
"inspiration",
"a bed"
] | A | an animal requires energy to move |
sciq | sciq_01_07588 | What is the process of making atp without oxygen called? | [
"condensation",
"Cell Division",
"photosynthesis",
"fermentation"
] | D | An important way of making ATP without oxygen is called fermentation . It involves glycolysis, but not the other two stages of aerobic respiration. Many bacteria and yeasts carry out fermentation. People use these organisms to make yogurt, bread, wine, and biofuels. Human muscle cells also use fermentation. This occurs... |
sciq | sciq_01_06550 | What type of cells are the smallest of all human cells? | [
"sperm",
"dna",
"egg",
"meristematic"
] | A | Sperm are tiny cells. In fact, they are the smallest of all human cells. They have a structure that suits them well to perform their function. |
sciq | sciq_01_09920 | Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids? | [
"amino acids",
"peptic acids",
"organism acids",
"polymer acids"
] | A | Amino acids connect together like beads on a necklace. MET, ASN, TRP, and GLN refer to four different amino acids. |
openbookqa | obqa_02_02732 | Which is the best example of condensation? | [
"cats lick their fur",
"headphones fall into a puddle",
"hail falls from the sky",
"water forms on a frosty beverage"
] | D | condensing causes a liquid to form |
ARC-Easy | arc_04_00727 | Changes to abiotic factors in an environment can impact biotic factors. Which statement is the BEST example of this situation? | [
"Heavy rainfall increases soil erosion.",
"Melting glaciers cause sea levels to rise.",
"Cold temperatures cause rocks to weather.",
"Drought conditions increase competition among consumers."
] | D | null |
medmcqa | medmcqa_05_00810 | Test used to differentiate between maternal and fetal blood in a given sample:(AIIMS May 2013, May 2012) | [
"Kleihauer-Betke test",
"Osmotic fragility test",
"Apt test",
"Bubbling test"
] | C | Ans. c. Apt test (Ref: Dutta 7/e p234, 651; Williams 23/e p617-618)Both Apt test and Kleihauer-Betke test can be used to detect the presence of fetal blood within a sample but test used to differentiate between maternal and fetal blood in a given sample is Apt test.Apt Test:Used to detect the presence or absence of fet... |
sciq | sciq_01_05473 | The farther an area is from the equator, what happens to the temperature? | [
"it stabilizes",
"it gets lower",
"it fluctuates",
"it increases"
] | B | At higher latitudes, the Sun’s rays are less direct. The farther an area is from the Equator, the lower its temperature. |
sciq | sciq_01_03962 | What is the most common type of volcano? | [
"geyser",
"flat",
"block cone",
"cinder cone"
] | D | Cinder cones are the smallest and most common type of volcano. Cinder cones have steep sides like composite volcanoes. But they are much smaller, rarely reaching even 300 meters in height. Cinder cones usually have a crater at the summit. Cinder cones are composed of small fragments of rock, called cinders. The cinders... |
sciq | sciq_01_03233 | Each gamete will have one copy of each chromosome following which process involving cell division? | [
"mutations",
"osmosis",
"meiosis",
"genomes"
] | C | Figure 7.8 Following meiosis, each gamete has one copy of each chromosome. Nondisjunction occurs when homologous chromosomes (meiosis I) or sister chromatids (meiosis II) fail to separate during meiosis. |
sciq | sciq_01_05513 | The zoospores develop into haploid, multicellular male and female gametophytes, which produce? | [
"spores",
"toxins",
"gametes",
"microorganisms"
] | C | |
math_qa | mathqa_03_03004 | a boat can travel with a speed of 16 km / hr in still water . if the rate of stream is 5 km / hr , then find the time taken by the boat to cover distance of 147 km downstream . | [
"4 hours",
"5 hours",
"6 hours",
"7 hours"
] | D | "explanation : it is very important to check , if the boat speed given is in still water or with water or against water . because if we neglect it we will not reach on right answer . i just mentioned here because mostly mistakes in this chapter are of this kind only . lets see the question now . speed downstream = ( 16... |
sciq | sciq_01_00849 | How many calories of energy does one gram of sugar or starch provide? | [
"10",
"5",
"4",
"3"
] | C | Carbohydrates include sugars, starches, and fiber. Sugars and starches are used by the body for energy. One gram of sugar or starch provides 4 Calories of energy. Fiber doesn’t provide energy, but it is needed for other uses. At age 13 years, you need about 130 grams of carbohydrates a day. Figure below shows good food... |
openbookqa | obqa_02_03622 | A battery that is placed in vinegar will cause the vinegar to | [
"be a good chemical copy",
"have new chemical properties",
"be safe to drink",
"attract groups of deer"
] | B | if an object undergoes chemical change then that object will have new chemical properties |
ARC-Easy | arc_04_00172 | All organisms contain DNA and RNA. What are the subunits of DNA and RNA? | [
"simple sugars",
"amino acids",
"carbohydrates",
"nucleotides"
] | D | null |
openbookqa | obqa_02_04036 | An extremely rapid surge of rising flood water that moves across usually dry land at about 30 feet or more each second is powerful enough to | [
"keep the land dry",
"lift and carry a tall mountain",
"lift a 250-ton object off the ground",
"reach high in the sky"
] | C | when a body of water receives more water than it can hold , a flood occurs |
openbookqa | obqa_02_03561 | What might damage a hard walkway that runs alongside a street? | [
"a child walking",
"snow",
"a tree nearby",
"a running dog"
] | C | if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk |
openbookqa | obqa_02_01684 | A species' habitat is those places where it can find food, shelter, protection and | [
"predators to escape",
"rivers to cross",
"mountains to climb",
"mates for reproduction"
] | D | habitat destruction causes animals to move to find shelter in another habitat |
sciq | sciq_01_01842 | When a plant has what deficiency, guard cells may lose turgor and close stomata? | [
"light",
"cold",
"water",
"air"
] | C | |
sciq | sciq_01_06439 | Plasmodesmata and gap junctions are channels between adjacent cells of what respective types? | [
"healthy and sick",
"new and old",
"plant and animal",
"plant and fungus"
] | C | 4.6 Connections between Cells and Cellular Activities Animal cells communicate via their extracellular matrices and are connected to each other via tight junctions, desmosomes, and gap junctions. Plant cells are connected and communicate with each other via plasmodesmata. When protein receptors on the surface of the pl... |
medmcqa | medmcqa_05_04321 | Which of the following is not safe in pregnancy? | [
"USG",
"Doppler",
"MRI",
"CT"
] | D | CT uses X-rays so it is not safe during pregnancy. CT scan while pregnant first trimester has the highest risk to the developing foetus due to the carcinogenic and teratogenic effects of the ionizing radiation. |
math_qa | mathqa_03_04114 | on dividing number by 357 , we get 39 as remainder . on dividing the same number by 17 , what will be the remainder ? | [
"0",
"3",
"5",
"11"
] | C | "let the number be x and on dividing x by 5 , we get k as quotient and 3 as remainder . x = 5 k + 3 x 2 = ( 5 k + 3 ) 2 = ( 25 k 2 + 30 k + 9 ) = 5 ( 5 k 2 + 6 k + 1 ) + 4 on dividing x 2 by 5 , we get 4 as remainder . answer : c" |
sciq | sciq_01_02083 | What are external skeletons known as? | [
"exoskeletons",
"tentacles",
"exoskins",
"scales"
] | A | By the beginning of the Paleozoic, organisms had developed shells. Shells could hold their soft tissues together. They could protect the organisms from predators and from drying out. Some organisms evolved external skeletons, called exoskeletons. Organisms with hard parts also make good fossils. Fossils from the Cambri... |
sciq | sciq_01_04003 | What's the process responsible for the presence of oxygen in our atmosphere? | [
"photosynthesis",
"respiration",
"glycolysis",
"ozone"
] | A | |
math_qa | mathqa_03_02901 | the length of a rectangle is reduced by 25 % . by what % would the width have to be increased to maintainthe original area ? | [
"15 %",
"20 %",
"25 %",
"33 %"
] | D | "sol . required change = ( 25 * 100 ) / ( 100 - 25 ) = 25 % d" |
math_qa | mathqa_03_01526 | the perimeter of a semi circle is 140 cm then the radius is ? | [
"27",
"28",
"19",
"11"
] | A | "36 / 7 r = 140 = > r = 27 answer : a" |
math_qa | mathqa_03_03880 | the l . c . m of two numbers is 495 and their h . c . f is 5 . if the sum of the numbers is 10 , then their difference is : | [
"10",
"46",
"70",
"90"
] | A | "let the numbers be x and ( 100 - x ) . then , x ( 100 - x ) = 5 * 495 x 2 - 100 x + 2475 = 0 ( x - 55 ) ( x - 45 ) = 0 x = 55 or 45 the numbers are 45 and 55 . required difference = 55 - 45 = 10 . answer : a" |
medmcqa | medmcqa_05_04868 | The cochlear implant is done in - | [
"Scala vestibuli",
"Scala tympani",
"Cochlear duct",
"Endolymphatic duct"
] | B | Advantage of Vera technique
Simple
Less chances of injuring facial nerve
Suitable in young children where mastoid has not developed fully
Minimal bone trauma ∴ fast healing and less complication rate |
openbookqa | obqa_02_00739 | When the pie came out of the oven is had more | [
"nutrients",
"calories",
"heat energy",
"apples"
] | C | if food is cooked then heat energy is added to that food |
math_qa | mathqa_03_03888 | heinz produces tomato puree by boiling tomato juice . the tomato puree has only 20 % water while the tomato juice has 90 % water . how many liters of tomato puree will be obtained from 40 litres of tomato juice ? | [
"2.8 liters .",
"2.5 liters .",
"5 liters .",
"2.6 liters ."
] | C | "answer : explanation : in each of the solutions , there is a pure tomato component and some water . so while boiling , water evaporates but tomato not . so we equate tomato part in the both equations . â ‡ ’ â ‡ ’ 10 % ( 40 ) = 80 % ( x ) â ‡ ’ â ‡ ’ x = 5 liters . answer : c" |
openbookqa | obqa_02_03599 | If an animal gets too cold for its body to perform its functions, that animal will | [
"perish due coldness",
"laugh to death",
"do math",
"float"
] | A | if a living thing becomes too cold then that living thing will die |
openbookqa | obqa_02_03259 | If a zebra has more black than white on its body and has a calf, that calf | [
"will be dark brown",
"will be mostly white",
"will be quite bald",
"will be mostly black"
] | D | reproduction is when an organism passes genetic information from itself to its offspring |
openbookqa | obqa_02_01031 | On a cloudy day | [
"the clouds are thin",
"the sky is dark",
"the wind is strong",
"the sun is obscured"
] | D | cloudy means the presence of clouds in the sky |
openbookqa | obqa_02_01520 | Invisible forces work to keep the moon near the | [
"sun",
"uranus",
"mars",
"our home planet"
] | D | gravity causes orbits |
ARC-Easy | arc_04_01260 | Which is an example of a decomposer? | [
"a hawk",
"a mouse",
"a flower",
"a mushroom"
] | D | null |
sciq | sciq_01_10601 | Why are living things considered to be renewable? | [
"they decompose",
"they reproduce",
"they inherit traits",
"they evolve"
] | B | Living things are considered to be renewable. This is because they can reproduce to replace themselves. However, they can be over-used or misused to the point of extinction. To be truly renewable, they must be used sustainably. Sustainable use is the use of resources in a way that meets the needs of the present and als... |
medmcqa | medmcqa_05_01613 | Hickey-Hare test is used to diagnose - | [
"Congenital pyloric stenosis",
"Duodenal atresia",
"Achlasia cardia",
"Diabetes insipidus"
] | D | Ans. is 'd' i.e., Diabetes insipidus Hypeonic saline infusion test that induces plasma hyperosmolality. Used for distinguishing between different causes of polyuria and polydipsia. |
openbookqa | obqa_02_01572 | rock from deep down creates what as it becomes less hot | [
"vitamins",
"cracks",
"minerals",
"holes"
] | C | minerals are formed from magma cooling |
sciq | sciq_01_02196 | What is less dense then either solids or liquids? | [
"gases",
"dark matter",
"plasma",
"ice"
] | A | Gases are less dense that either solids or liquids. |
sciq | sciq_01_05547 | Where do skeletal muscles usually attach? | [
"to the spine",
"to dendrites",
"to cartilage",
"end of bones"
] | D | Many skeletal muscles are attached to the ends of bones where they meet at a joint. The muscles span the joint and connect the bones. When the muscles contract, they pull on the bones, causing them to move. |
sciq | sciq_01_06958 | What process typically occurs to metal exposed to outside elements? | [
"corrosion",
"explosion",
"extraction",
"shrinkage"
] | A | Metal exposed to the outside elements will usually corrode if not protected. The corrosion process is a series of redox reactions involving the metal of the sculpture. In some situations, the metals are deliberately left unprotected so that the surface will undergo changes that may enhance the esthetic value of the wor... |
sciq | sciq_01_00051 | What is the name of the small bumps that contain taste buds and covers the tongue? | [
"palatine tonsils",
"lingual tonsils",
"cuticle",
"papillae"
] | D | Figure 14.3 The Tongue The tongue is covered with small bumps, called papillae, which contain taste buds that are sensitive to chemicals in ingested food or drink. Different types of papillae are found in different regions of the tongue. The taste buds contain specialized gustatory receptor cells that respond to chemic... |
sciq | sciq_01_05318 | What happens to the energy levels of electrons as they are closer to the nucleus? | [
"they divide",
"they are higher",
"they are lower",
"they balance"
] | C | Electrons at lower energy levels, which are closer to the nucleus, have less energy. At the lowest energy level, which has the least energy, there is just one orbital, so this energy level has a maximum of two electrons. |
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