dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 1 935 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_00957 | Due to the difference in the distribution of charge, water is what type of molecule? | [
"crooked",
"polar",
"ionic",
"uneven"
] | B | Due to the difference in the distribution of charge, water is a polar molecule. |
openbookqa | obqa_02_03863 | The everglades where nearly wiped out by | [
"the sun",
"builders",
"sea cows",
"alligators"
] | B | humans building homes in an ecosystem causes that environment to change |
openbookqa | obqa_02_01154 | Which cannot be an example of crop rotation? | [
"planting tomatoes one year and alfalfa the next",
"planting zucchini one year and beans the next",
"planting bell peppers one year and hot peppers the next",
"planting corn one year and lelttuce the next"
] | C | crop rotation is when different crops are planted on a field in different years |
medmcqa | medmcqa_05_04996 | Which of the following enzyme protects the brain from free radical injury? | [
"Hydroxylase",
"Myeloperoxidase",
"Superoxide dismutase",
"Mono Amine Oxidase"
] | C | There are several cellular mechanisms by which cells remove free radicals and thereby protect organs from injury. Superoxide is a free radical, it is inactivated by superoxide dismutase (SOD) and is conveed into hydrogen peroxide. There are two types of superoxide dismutases such as manganese SOD located in the mitocho... |
openbookqa | obqa_02_04685 | If you were to miss winter how many seasons would you have to wait till you saw it again | [
"4",
"36",
"12",
"1"
] | A | a new season occurs four times per year |
sciq | sciq_01_11587 | What type of respiration has the advantage of releasing more energy? | [
"anaerobic",
"kinetic",
"elastic",
"aerobic"
] | D | A major advantage of aerobic respiration is the amount of energy it releases. Without oxygen, organisms can split glucose into just two molecules of pyruvate. This releases only enough energy to make two ATP molecules. With oxygen, organisms can break down glucose all the way to carbon dioxide. This releases enough ene... |
sciq | sciq_01_08835 | Organelles whose membranes are specialized for aerobic respiration are called what? | [
"vacuoles",
"chloroplasts",
"mitochondria",
"mitosis"
] | C | Mitochondria are organelles whose membranes are specialized for aerobic respiration. |
sciq | sciq_01_10382 | The hormone androgen increases aggressiveness and promotes what type of behaviors? | [
"sexual",
"asexual",
"cognitive",
"nervous"
] | A | |
sciq | sciq_01_04637 | What is the term for materials that have been left behind by organisms that once lived? | [
"detritis",
"fossils",
"bones",
"skulls"
] | B | Sediments are small fragments of rocks and minerals. Pebbles, sand, silt, and clay are examples of sediments. Sedimentary rocks may include fossils. Fossils are materials left behind by once-living organisms. Fossils can be pieces of the organism, like bones. They can also be traces of the organism, like footprints. |
sciq | sciq_01_03507 | How many times does the height of the largest wave increase with each level? | [
"100 times",
"10 times",
"20 times",
"5 times"
] | B | Richter scale magnitudes jump from one level to the next. The height of the largest wave increases 10 times with each level. So the height of the largest seismic wave of a magnitude 5 quake is 10 times that of a magnitude 4 quake. A magnitude 5 is 100 times that of a magnitude 3 quake. With each level, thirty times mor... |
sciq | sciq_01_02535 | What does an ammeter measure the flow of? | [
"wind",
"current through a circuit",
"water under pressure",
"magnetic fields"
] | B | When a contractor builds a new home, she uses a set of plans called blueprints that show her how to build the house. The blueprints include circuit diagrams. The diagrams show how the wiring and other electrical components are to be installed in order to supply current to appliances, lights, and other electric devices.... |
sciq | sciq_01_04878 | Some bacteria can contaminate food and cause what illness? | [
"bacterial poisoning",
"food poisoning",
"bacterial spoilage",
"natural poisoning"
] | B | Some bacteria can contaminate food and cause food poisoning. |
sciq | sciq_01_05040 | What is the study of rock strata called? | [
"biochemistry",
"stratigraphy",
"biology",
"chemistry"
] | B | The study of rock strata is called stratigraphy . The laws of stratigraphy can help scientists understand Earth’s past. The laws of stratigraphy are usually credited to a geologist from Denmark named Nicolas Steno. He lived in the 1600s. The laws are illustrated in the Figure below ; refer to the figure as you read abo... |
math_qa | mathqa_03_00084 | a jar contains only red , yellow , and orange marbles . if there are 1 red , 5 yellow , and 4 orange marbles , and 3 marbles are chosen from the jar at random without replacing any of them , what is the probability that 2 yellow , 1 red , and no orange marbles will be chosen ? | [
"1 / 60",
"1 / 45",
"2 / 45",
"3 / 22"
] | B | "i started by finding the 2 probabilities , without calculation , like this : p ( yyr ) p ( yry ) p ( ryy ) i calculated the first one and ended in 1 / 22 . i looked at the answer choices at this point and saw answer d : 1 / 45 . this helped me realise that for the 3 possible orderings the probabbility is the same . so... |
openbookqa | obqa_02_04836 | A company which causes long lasting products will likely? | [
"Sell less",
"Produce more",
"Produce Less",
"Sell more"
] | A | as the time a tool lasts increases , the number of tools discarded will decrease |
sciq | sciq_01_02501 | The entire volume of what is filtered through the kidneys about 300 times per day? | [
"saliva",
"blood",
"urine",
"gastric juice"
] | B | 25.5 Physiology of Urine Formation The entire volume of the blood is filtered through the kidneys about 300 times per day, and 99 percent of the water filtered is recovered. The GFR is influenced by hydrostatic pressure and colloid osmotic pressure. Under normal circumstances, hydrostatic pressure is significantly grea... |
math_qa | mathqa_03_00798 | the ratio of boarders to day students at a school was originally 5 to 12 . however , after a number of new boarders join the initial 220 boarders , the ratio changed to 1 to 2 . if no boarders became day students and vice versa , and no students left the school , how many new boarders joined the school ? | [
"44",
"64",
"70",
"80"
] | A | "let x be the number of new boarders . the ratio changed from 5 : 12 up to 1 : 2 = 6 : 12 . 220 / ( 220 + x ) = 5 / 6 x = 44 the answer is a ." |
ARC-Challenge | arc_04_02572 | Mercury and gold are both metals. Unlike gold, mercury cannot be used to make jewelry because it is a liquid at room temperature. The difference in the state of matter is an example of which type of property? | [
"chemical",
"electrical",
"nuclear",
"physical"
] | D | null |
sciq | sciq_01_04664 | The cytoplasm divides during what process? | [
"genesys",
"cytokinesis",
"osmosis",
"metamorphosis"
] | B | During mitosis , the nucleus divides as the chromosomes are equally separated. One nucleus becomes two nuclei, each with an identical set of chromosomes . Mitosis is followed by cytokinesis , when the cytoplasm divides, resulting in two cells. After cytokinesis, cell division is complete. The one parent cell (the divid... |
math_qa | mathqa_03_03733 | how many 3 - digit even numbers are possible such that if one of the digits is 4 , the next / succeeding digit to it should be 7 ? | [
"305",
"5",
"365",
"405"
] | B | 470 , 472 , 474 , 476 , and 478 , so total 5 . hence option b . |
math_qa | mathqa_03_01856 | having received his weekly allowance , john spent 3 / 5 of his allowance at the arcade . the next day he spent one third of his remaining allowance at the toy store , and then spent his last $ 0.96 at the candy store . what is john ’ s weekly allowance ? | [
"$ 3.00",
"$ 3.20",
"$ 3.40",
"$ 3.60"
] | D | "x = 3 x / 5 + 1 / 3 * 2 x / 5 + 96 4 x / 15 = 96 x = $ 3.60 = $ 3.60 the answer is d ." |
ARC-Easy | arc_04_01225 | The brain and spinal cord are parts of which body system? | [
"nervous",
"excretory",
"endocrine",
"respiratory"
] | A | null |
sciq | sciq_01_10517 | A sprain is a strain or tear in what part of the body? | [
"torso",
"a ligament",
"skeleton",
"stomach"
] | B | Another type of skeletal system injury is a sprain. A sprain is a strain or tear in a ligament that has been twisted or stretched too far. Ankle sprains are a common type of sprain. Athletes often strain a ligament in the knee called the ACL. Warming up adequately and stretching before playing sports may reduce the ris... |
openbookqa | obqa_02_03198 | If a plant is moved from a basement to a field | [
"it will need darkness",
"it will be too dark",
"it will receive nutriment",
"it will now suffocate"
] | C | if something is outside during the day then that something will receive sunlight |
openbookqa | obqa_02_00088 | What functions without contact between objects? | [
"weight",
"friction",
"opposites attracting",
"pressure"
] | C | magnetism does not require contact between objects to act |
sciq | sciq_01_11654 | What type of taste do bases normally have? | [
"salty",
"sweet",
"sour",
"bitter"
] | D | Bases often have a bitter taste and are found in foods less frequently than acids. Many bases, like soaps, are slippery to the touch. |
sciq | sciq_01_07148 | What occurs when a few individuals start, or found, a new population? | [
"novelty effect",
"outsider effect",
"pioneer effect",
"founder effect"
] | D | Founder effect occurs when a few individuals start, or found, a new population. By chance, allele frequencies of the founders may be different from allele frequencies of the population they left. An example is described in Figure below . |
sciq | sciq_01_00406 | The great astronomer edwin hubble discovered that all distant galaxies are receding from our milky way galaxy with velocities proportional to their what? | [
"masses",
"paths",
"distances",
"dimensions"
] | C | (a) A jet airplane flying from Darwin, Australia, has an air speed of 260 m/s in a direction 5.0º south of west. It is in the jet stream, which is blowing at 35.0 m/s in a direction 15º south of east. What is the velocity of the airplane relative to the Earth? (b) Discuss whether your answers are consistent with your e... |
medmcqa | medmcqa_05_00856 | A child is presenting with vomiting and abdominal pain after 5 hours of eating some food. The most likely causative organism | [
"Bacillus cereus",
"C. perfringens",
"Cl. Botulinum",
"V. cholerae"
] | A | → Food poisoning presenting within 6 hours is seen:
Staph aureus and
B. cereus.
→ Cl. Botulinum causes constipation (not diarrhea) and the incubation period is about 18-24 hours.
→ V. cholerare has incubation period > 16 hours. |
math_qa | mathqa_03_02271 | if the mean of numbers 28 , x , 42 , 78 and 104 is 62 , what is the mean of 48 , 62 , 98 , 124 and x ? | [
"78",
"58",
"390",
"310"
] | A | "x is common to both the series . so , x is not going to make a difference to the average . only the remaining 4 numbers will contribute to the difference in average between the two series . sum of the 4 numbers , excluding x , of the first series is 28 + 42 + 78 + 104 = 252 sum of the 4 numbers , excluding x , of the ... |
sciq | sciq_01_04322 | What is the name for animals that have a backbone? | [
"skeletates",
"mammals",
"invertebrates",
"vertebrates"
] | D | The first eight phyla listed in Table above include only invertebrate animals. Invertebrates are animals that lack a vertebral column , or backbone. The last phylum in the table, the Chordata, also includes many invertebrate species. Tunicates and lancelets are both invertebrates. Altogether, invertebrates make up at l... |
medmcqa | medmcqa_05_02350 | Which of the following is method of treating venous ulcer | [
"Hilton's method",
"Trivex method",
"Bisgaard method",
"Tessari method"
] | C | Bisgaard method is method for treating venous ulcer. |
sciq | sciq_01_07125 | Cirrus, stratus, and cumulus are the main types of what? | [
"clouds",
"weather",
"climate",
"storms"
] | A | Clouds are classified on the basis of where and how they form. Three main types of clouds are cirrus, stratus, and cumulus. Figure below shows these and other types of clouds. |
sciq | sciq_01_07290 | Dna segments cross over to form what kind of chromosome? | [
"resistant",
"autosome",
"recombinant",
"mutated"
] | C | Located at intervals along the synaptonemal complex are large protein assemblies called recombination nodules. These assemblies mark the points of later chiasmata and mediate the multistep process of crossover—or genetic recombination—between the non-sister chromatids. Near the recombination nodule on each chromatid, t... |
math_qa | mathqa_03_00676 | the average weight of 9 person ' s increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg . what is the weight of the new person ? | [
"85.5",
"86.5",
"87.5",
"88.5"
] | C | "total increase in weight = 9 × 2.5 = 22.5 if x is the weight of the new person , total increase in weight = x − 65 = > 22.5 = x - 65 = > x = 22.5 + 65 = 87.5 answer : c" |
sciq | sciq_01_04554 | What is a pair of valence electrons in a bonded atom that does not participate in bonding called? | [
"hostile pair",
"lone pair",
"opposite pair",
"isolated pair"
] | B | A pair of valence electrons in a bonded atom that does not participate in bonding is called a lone pair. Lone pair electrons contribute to molecular shape. |
medmcqa | medmcqa_05_00102 | Klumpke's paralysis from a brachial plexus injury involves which of the following nerve cords? | [
"C5, C6",
"C6, C7",
"C7, T1",
"C8, T1"
] | D | Klumpke's paralysis is a form of paralysis involving the muscles of the forearm and hand, resulting from a brachial plexus injury in which the eighth cervical (C8) and first thoracic (T1) nerves are injured either before or after they have joined to form the lower trunk. |
sciq | sciq_01_05067 | While some climate regions have multiple layers, arid regions are poor for development of what? | [
"rain",
"plants",
"soil",
"minerals"
] | C | Not all climate regions develop soils. Arid regions are poor at soil development. Not all regions develop the same soil horizons. Some areas develop as many as five or six distinct layers. Others develop only a few. |
medmcqa | medmcqa_05_01257 | Normal Axis of the hea is best described as being between: | [
"-30 to + 110",
"+30 to - 110",
"-30 to - 110",
"+90 to + 110"
] | A | Cardiac Axis Normal Cardiac Axis Normal cardiac axis flow down and towards the left lower aspect of the hea between - 30 and +110 Left Axis Detion Cardiac axis flow is upward and toward the left upper half of the hea between -30 and -90 Right Axis Detion Cardiac axis flow is downward and toward the right pa of the hea ... |
sciq | sciq_01_02883 | Crossover occurs between non-sister chromatids of which chromosomes? | [
"compound chromosomes",
"analogous",
"homologous",
"identical chromosomes"
] | C | Figure 11.3 Crossover occurs between non-sister chromatids of homologous chromosomes. The result is an exchange of genetic material between homologous chromosomes. |
math_qa | mathqa_03_00668 | a trader mixes 80 kg of tea at 15 per kg with 20 kg of tea at cost price of 20 per kg . in order to earn a profit of 40 % , what should be the sale price of the mixed tea ? | [
"22.4",
"22",
"20",
"19.2"
] | A | c . p . of mixture = 80 × 15 + 20 × 20 / 80 + 20 = 16 ∴ s . p . = ( 100 + 40 ) / 100 × 16 = 22.4 answer a |
math_qa | mathqa_03_04432 | a number when divided by 342 gives a remainder 47 . when the same number ift divided by 19 , what would be the remainder ? | [
"7",
"8",
"9",
"21"
] | C | "sol . on dividing the given number by 342 , let k be the quotient and 47 as remainder . then , number – 342 k + 47 = ( 19 x 18 k + 19 x 2 + 9 ) = 19 ( 18 k + 2 ) + 9 . the given number when divided by 19 , gives ( 18 k + 2 ) as quotient and 9 as remainder . option c" |
sciq | sciq_01_10240 | What is the energy of motion called? | [
"harmonic energy",
"kinetic energy",
"inertia",
"stasis"
] | B | According to the kinetic theory, particles of matter are in constant motion. The energy of motion is called kinetic energy. |
openbookqa | obqa_02_00601 | It was hot during Christmas in | [
"new york",
"ayers rock",
"seattle",
"denver"
] | B | December is during the summer in the southern hemisphere |
math_qa | mathqa_03_00555 | a train overtakes two person who are walking in the same direction in which the train is going , at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively . the length of the train is : | [
"45 m",
"50 m",
"54 m",
"72 m"
] | B | let actual speed of train = s m / sec and length of train = l m . then , s - 2 × 5 / 18 = l 9 ⇒ 9 s = l + 5 . . . … ( i ) and s - 4 × 5 ⁄ 18 = l ⁄ 10 ⇒ 90 s = 9 l + 100 . . . . . ( ii ) by ( i ) & ( ii ) , we get l = 50 m . answer b |
sciq | sciq_01_03055 | Line graphs are especially useful for showing changes over what? | [
"velocity",
"space",
"energy",
"time"
] | D | Line graphs are especially useful for showing changes over time. The line graph in Figure below shows how distance from school changed over time when some students went on a class trip. |
openbookqa | obqa_02_02320 | What would be passed down from parents to their children? | [
"hobbies enjoyed",
"head size",
"number of friends",
"sports played"
] | B | offspring receive genes from their parents through DNA |
sciq | sciq_01_03124 | What is made by trees and other plants during photosynthesis? | [
"oxygen",
"methane",
"nitrogen",
"carbon dioxide"
] | A | Oxygen is made by trees and other plants during photosynthesis. We know that we need oxygen to live. But why? This oxygen is an essential component for the optimal production of usable energy - which occurs through cellular respiration. |
sciq | sciq_01_04385 | What is the term for evolution over geologic time above the level of the species? | [
"mutation",
"microevolution",
"speciation",
"macroevolution"
] | D | Macroevolution is evolution over geologic time above the level of the species. One of the main topics in macroevolution is how new species arise. The process by which a new species evolves is called speciation . How does speciation occur? How does one species evolve into two or more new species?. |
sciq | sciq_01_10130 | Closely associated with "work", what is characterized by its many forms and the fact that it is conserved? | [
"heating",
"fuel",
"energy",
"matter"
] | C | Introduction to Work, Energy, and Energy Resources Energy plays an essential role both in everyday events and in scientific phenomena. You can no doubt name many forms of energy, from that provided by our foods, to the energy we use to run our cars, to the sunlight that warms us on the beach. You can also cite examples... |
medmcqa | medmcqa_05_04789 | Average hospital waste produced per bed per day in Government hospital- | [
"1.5-2.0 kg",
"0.5-4 kg",
"0.5-1 kg",
"0.5-2 kg"
] | B | - according to survey done in Bangalore, the quantity of solid waste generated in government hospitals is half to four kilograms per bed per day. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:790 <\p> |
sciq | sciq_01_01634 | Blood enters the heart in what valve? | [
"tricuspid",
"aortic",
"atria",
"mitral"
] | C | Blood flows in only one direction in the heart. Blood enters the atria, which contract and push blood into the ventricles. The atria relax and the ventricles fill with blood. Finally, the ventricles contract and push blood around the body. |
ARC-Challenge | arc_04_02515 | Sound waves travel the fastest through | [
"rock.",
"seawater.",
"space.",
"atmosphere."
] | A | null |
medmcqa | medmcqa_05_02085 | Disulfiram shouldn't be given for at least how many hrs. after the patient is abstained from alcohol | [
"12 hrs",
"14 hrs",
"48 hrs",
"96 hrs"
] | A | Before initiating the treatment with disulfiram for alcohol dependence, patient should be abstained from alcohol at least for 12hrs. Ref: Essentials of postgraduate psychiatry By JN Vyas 1st ed Pg 329 |
math_qa | mathqa_03_03945 | if a = 105 and a ^ 3 = 21 × 25 × 45 × d , what is the value of d ? | [
"35",
"42",
"45",
"49"
] | D | "a = 105 = 3 * 5 * 7 a ^ 3 = 21 × 25 × 45 × d = > a ^ 3 = ( 7 * 3 ) x ( 5 * 5 ) x ( 3 ^ 2 * 5 ) x d = > a ^ 3 = 3 ^ 3 * 5 ^ 3 * 7 x d = > ( 3 * 5 * 7 ) ^ 3 = 3 ^ 3 * 5 ^ 3 * 7 x d d = 7 ^ 2 = 49 answer d" |
sciq | sciq_01_11573 | What is the smallest portion of a crystal lattice? | [
"unit cell",
"ionic cell",
"function cell",
"element cell"
] | A | A unit cell is the smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire crystal. A crystal can be thought of as the same unit cell repeated over and over in three dimensions. The Figure below illustrates the relationship of a unit cell to the entire crystal lattice. |
sciq | sciq_01_02477 | What lens shape corrects myopia? | [
"convex",
"flat",
"curve",
"concave"
] | D | Myopia is corrected with a concave lens, while hyperopia is corrected with a convex lens. |
sciq | sciq_01_06365 | A plant is composed of two main types of tissue: meristematic tissue and what other kind of tissue? | [
"nonvascular tissue",
"synovial tissue",
"muscle tissue",
"permanent tissue"
] | D | CHAPTER SUMMARY 30.1 The Plant Body A vascular plant consists of two organ systems: the shoot system and the root system. The shoot system includes the aboveground vegetative portions (stems and leaves) and reproductive parts (flowers and fruits). The root system supports the plant and is usually underground. A plant i... |
sciq | sciq_01_06803 | What is the diversity of living things called? | [
"biodiversity",
"ecosystem",
"adaptation",
"habitat"
] | A | The diversity of living things is called biodiversity. |
ARC-Challenge | arc_04_02975 | Which of these is the most likely effect of cutting down large numbers of trees? | [
"loss of habitat for animals",
"increase in oxygen in the air",
"lower pollution levels",
"decrease in soil erosion"
] | A | null |
math_qa | mathqa_03_00411 | two trains are moving in the same direction at 72 kmph and 36 kmph . the faster train crosses a man in the slower train in 37 seconds . find the length of the faster train ? | [
"270",
"370",
"266",
"299"
] | B | "relative speed = ( 72 - 36 ) * 5 / 18 = 2 * 5 = 10 mps . distance covered in 37 sec = 37 * 10 = 370 m . the length of the faster train = 370 m . answer : b" |
sciq | sciq_01_10082 | Solutions can also become supersaturated , where the amount of solute dissolved exceeds what? | [
"its concentration",
"its dissolution",
"its solubility",
"part solubility"
] | C | Solutions can also become supersaturated , where the amount of solute dissolved exceeds its solubility. Supersaturation most commonly occurs when a saturated solution is slowly cooled. They occur frequently in geological and meteorological processes. Supersaturated systems are unstable, and eventually, the solute will ... |
sciq | sciq_01_00611 | What type of matter transmits light without scattering it? | [
"translucent",
"clean",
"transparent",
"bioluminescent"
] | C | Transparent matter is matter that transmits light without scattering it. Examples of transparent matter include air, pure water, and clear glass. You can see clearly through a transparent object, such as the revolving glass doors in the figure, because all the light passes straight through it. |
medmcqa | medmcqa_05_04092 | Not classified as untidy wound is | [
"Burn wound",
"Incised wound",
"Crush wound",
"Lacerated wound"
] | B | Answer- B. Incised woundUsually involves crushing and tearing and contain devitalized tissues.Needs conversion to tidy wound before closure is considered.These wounds result from crushing, avulsion or burns. Fractures are common and may be multifragmentary.Treatment - Once the untidy wound is convereted to a didy one b... |
sciq | sciq_01_11337 | What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair? | [
"albinism",
"hemophilia",
"mutations",
"anemia"
] | A | untreated, it produces severe brain damage and mental retardation. Albinism is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair. Cystic fibrosis, the most common inherited disease in the United States, blocks pancreatic function and causes thick mucu... |
sciq | sciq_01_03568 | What controls the opening to the airway and gut? | [
"mandible",
"electrons",
"tongue",
"teeth"
] | A | Although it is not found in the skull, the hyoid bone is considered a component of the axial skeleton. The hyoid bone lies below the mandible in the front of the neck. It acts as a movable base for the tongue and is connected to muscles of the jaw, larynx, and tongue. The mandible articulates with the base of the skull... |
sciq | sciq_01_10697 | Ice floats because it is less what than liquid water? | [
"gaseous",
"heavy",
"warm",
"dense"
] | D | |
sciq | sciq_01_02651 | How did a vascular let plants grow? | [
"they could bear fruit",
"they could conduct photosynthesis",
"they could grow taller",
"they could reproduce"
] | C | The evolution of vascular tissue revolutionized the plant kingdom. Vascular tissue greatly improved the ability of plants to absorb and transfer water. This allowed plants to grow larger and taller. They could also liver in drier habitats and survive periods of drought. Early vascular plants probably resembled the fern... |
openbookqa | obqa_02_02343 | Which is more accurate? | [
"an ant gets food from photosynthesis",
"a dog gets food from photosynthesis",
"a gorilla gets food from photosynthesis",
"a palm tree gets food from photosynthesis"
] | D | a producer produces its own food |
openbookqa | obqa_02_03453 | If a beach is experiencing sneaker waves, which are very dangerous, it is likely due to | [
"our sun",
"luna",
"our trees",
"our skies"
] | B | the gravitational pull of the Moon on Earth 's oceans causes the tides |
sciq | sciq_01_06487 | Plants can absorb inorganic nutrients and water through their root system, and what gas from the environment? | [
"hydrogen dioxide",
"chemical dioxide",
"carbon dioxide",
"nitrogen dioxide"
] | C | CHAPTER SUMMARY 31.1 Nutritional Requirements of Plants Plants can absorb inorganic nutrients and water through their root system, and carbon dioxide from the environment. The combination of organic compounds, along with water, carbon dioxide, and sunlight, produce the energy that allows plants to grow. Inorganic compo... |
sciq | sciq_01_08957 | Chemical energy results from the particular arrangement of atoms in a chemical compound; the heat and light produced in this reaction are due to energy released during the breaking and reforming of what? | [
"carbon bonds",
"chemical bonds",
"acid bonds",
"atom bonds"
] | B | energy is released when particles in the nucleus of the atom are rearranged. (e) Chemical energy results from the particular arrangement of atoms in a chemical compound; the heat and light produced in this reaction are due to energy released during the breaking and reforming of chemical bonds. Electrical energy, nuclea... |
ARC-Challenge | arc_04_02425 | In a copper wire, a temperature increase is the result of which of the following? | [
"an increase in the size of the copper particles",
"a decrease in the mass of the copper particles",
"an increase in the motion of the copper particles",
"a decrease in the distance between the copper particles"
] | C | null |
openbookqa | obqa_02_00080 | Which type of energy is the most environmentally friendly? | [
"Coal",
"Petroleum",
"Natural Gas",
"Sunlight"
] | D | solar energy is a renewable resource |
sciq | sciq_01_07275 | What is the second stage of cellular respiration? | [
"duocycle",
"beatnik cycle",
"marr cycle",
"krebs cycle"
] | D | The pyruvate molecules from glycolysis next enter the matrix of a mitochondrion. That's where the second stage of cellular respiration takes place. This stage is called the Krebs cycle . During this stage, two more molecules of ATP are produced. Other energy-storing molecules are also produced (to be used to make more ... |
ARC-Easy | arc_04_00651 | An organism's traits are largely determined by the genetic makeup of its parents. A mutation in which kinds of cells in a parent could cause a new trait to appear in the parent's offspring? | [
"sperm or egg",
"egg or nerve",
"nerve or muscle",
"muscle or sperm"
] | A | null |
ARC-Challenge | arc_04_03208 | A lake has been used for more than a century to irrigate crops. How has this practice most likely affected this resource? | [
"It decreased the salt content of the water.",
"It increased the evaporation rate of the water.",
"It increased the number of fish in the lake.",
"It decreased the volume of the lake."
] | D | null |
sciq | sciq_01_05089 | Another name for table salt is? | [
"carbon chloride",
"sodium chloride",
"hydrogen chloride",
"dioxide chloride"
] | B | The table salt pictured in the Figure below contains two elements that are so reactive they are rarely found alone in nature. Instead, they undergo chemical reactions with other elements and form compounds. Table salt is the compound named sodium chloride (NaCl). It forms when an atom of sodium (Na) gives up an electro... |
sciq | sciq_01_00896 | How do most fish reproduce with one another? | [
"sexually",
"same sex",
"asexually",
"on land"
] | A | Fish reproduce sexually. They lay eggs that can be fertilized either inside or outside of the body. In most fish, the eggs develop outside of the mother's body. In the majority of these species, fertilization also takes place outside the mother's body. The male and female fish release their gametes into the surrounding... |
sciq | sciq_01_07888 | What are the smallest type of blood vessels? | [
"capillaries",
"viens",
"neurons",
"arteries"
] | A | Capillaries are the smallest type of blood vessels. They connect very small arteries and veins. The exchange of gases and other substances between cells and the blood takes place across the extremely thin walls of capillaries. |
sciq | sciq_01_08025 | Distinct from a suspension, a solution is considered what type of mixture? | [
"continuous",
"homogeneous",
"heterogeneous",
"gaseous"
] | B | As a child, you may have made suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water, known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible (or that can be seen with a magnifying glass). They are c... |
sciq | sciq_01_01866 | Many genetic disorders are caused by mutations in one or a few of? | [
"lesions",
"organs",
"blood cells",
"genes"
] | D | Many genetic disorders are caused by mutations in one or a few genes. |
sciq | sciq_01_05974 | Which types of compounds are more likely to burn easily? | [
"chlorophyll",
"covalent",
"hydroxyl",
"salty"
] | B | Many covalent compounds, especially those containing carbon and hydrogen, burn easily. In contrast, many ionic compounds do not burn. |
math_qa | mathqa_03_04060 | a sum was put at simple interest at certain rate for 3 years . had it been put at 1 % higher rate it would have fetched rs . 78 more . the sum is : a . rs . 2,400 b . rs . 2,100 c . rs . 2,200 d . rs . 2,480 | [
"2000",
"2600",
"2200",
"2300"
] | B | "1 percent for 3 years = 78 1 percent for 1 year = 26 = > 100 percent = 2600 answer : b" |
sciq | sciq_01_04183 | The airway and the lungs are part of what organ system? | [
"respiratory",
"digestive",
"pulmonary",
"coronary"
] | A | 31 Respiratory system In humans and other animals, for example, the anatomical features of the respiratory system include airways, lungs, and the respiratory muscles. Other animals, such as insects, have respiratory systems with very simple anatomical features, and in amphibians even the skin plays a vital role in gas ... |
medmcqa | medmcqa_05_00538 | Preterm babies: | [
"Bom before 37 weeks of gestations",
"Bom before 38 weeks of gestations",
"Bom before 39 weeks of gestations",
"Bom before 40 weeks of gestations"
] | A | (Born before 37 weeks of gestations): Ref: (460-Park 20th)1. Preterm babies - babies bom too early before 37 weeks of gestations (259 days)2. Small for date (SFD) babies - bom at term or preterm. They weight less than the 10th percentile for the gestational age.3. Term: babies bom from 37 completed weeks to less than 4... |
ARC-Challenge | arc_04_02519 | Which is the correct order of the metamorphosis of a butterfly? | [
"egg, larva, pupa, adult",
"egg, pupa, larva, adult",
"egg, adult, larva, pupa",
"egg, larva, adult, pupa"
] | A | null |
ARC-Easy | arc_04_00779 | Bats find their prey at night using one of their senses to detect echoes. What does the bat send out to find prey? | [
"odors",
"light",
"sound",
"electricity"
] | C | null |
sciq | sciq_01_02605 | What tissue blocks entry of pathogens in mammals? | [
"pathological",
"dendritic",
"esophageal",
"epithelial"
] | D | |
math_qa | mathqa_03_01522 | in a 200 m race , if a gives b a start of 25 metres , then a wins the race by 10 seconds . alternatively , if a gives b a start of 45 metres the race ends in a dead heat . how long does a take to run 200 m ? | [
"100 seconds",
"112.5 seconds",
"77.5 seconds",
"87.5 seconds"
] | C | explanatory answer a gives b a start of 25 metres and still wins the race by 10 seconds . alternatively , if a gives b a start of 45 metres , then the race ends in a dead heat . therefore , the additional 20 metres start given to b compensates for the 10 seconds . i . e . , b runs 20 metres in 10 seconds . hence , b wi... |
math_qa | mathqa_03_01366 | in the set of positive integers from 1 to 80 , what is the sum of all the odd multiples of 5 ? | [
"180",
"245",
"320",
"260"
] | C | "reduce to 1 - 80 5 - 15 - 25 - 35 - 45 - - 55 - - 65 - - 75 are valid multiples . add them - - > 320 c" |
sciq | sciq_01_06589 | Every species has a characteristic number of what? | [
"ribosomes",
"receptors",
"DNA",
"chromosomes"
] | D | |
medmcqa | medmcqa_05_01898 | What will be the prescription for spectacles in a patient having simple myopic with the rule astigmatism? | [
"-0.5D at 180 degrees",
"+0.5D at 180 degrees",
"-3.0D at 90 degrees",
"+2.0D at 90 degrees"
] | A | -0.5D at 180 degrees With the rule astigmatism - two principal meridian are at right angles with the veical meridian being more curved. Correction requires convex(+) cylinder at 90 degrees or concave (-) cylinder at 180 degrees. Myopic astigmatism means the patient has to be given a concave cylindrical lens. Against th... |
medmcqa | medmcqa_05_00201 | Hypercalcemia is seen in | [
"Pancreatic cancer",
"HCC",
"CA stomach",
"CA GB"
] | B | Paraneoplastic syndromes of HCC Hypercholesterolemia Hypoglycemia Erythrocytosis Hypercalcemia Ref:Sabiston 20th edition Pgno :1458-1463 |
medmcqa | medmcqa_05_02066 | HLA is located on:- | [
"Sho arm of chr-6",
"Long arm of chr-6",
"Sho arm of chr-3",
"Long arm of chr-3"
] | A | HLA is the other name given to MHC (Major histocompatibility complex) Location of MHC molecule - sho arm of chromosome 6 |
sciq | sciq_01_06965 | What term is used to describe anything that takes up space and has mass? | [
"opacity",
"size",
"matter",
"weight"
] | C | If you look at your hand, what do you see? Of course, you see skin, which consists of cells. But what are skin cells made of? Like all living cells, they are made of matter. In fact, all things are made of matter. Matter is anything that takes up space and has mass. Matter, in turn, is made up of chemical substances. I... |
sciq | sciq_01_01627 | What is the term for changes in speed or direction, changes that make a roller coaster ride so exciting? | [
"transmission",
"inclination",
"acceleration",
"oscillation"
] | C | Imagine the thrill of riding on a roller coaster like this one! The coaster slowly crawls to the top of the track and then flies down the other side. It also zooms around twists and turns at breakneck speeds. These changes in speed and direction are what make a roller coaster ride so exciting. Changes in speed or direc... |
medmcqa | medmcqa_05_04786 | Which of the following is not a contraindication for use of digitalis? | [
"Acute rheumatic carditis",
"Thyrotoxicosis",
"WPW syndrome",
"Hyperkalemia"
] | D | Digitalis dried leaf of Digitalis purpurea; a cardiac glycoside. All drugs prepared from this digitalis leaf are members of the same group and principles of administration are the same, although they vary according to speed of action and potency. Digitalis in its many forms is one of the most frequently prescribed drug... |
math_qa | mathqa_03_02871 | a cube is painted red on all faces . it is then cut into 27 equal smaller cubes . how many j cubes are painted on only 2 faces ? | [
"12",
"8",
"6",
"10"
] | A | "1 ) draw a simple cube 2 ) draw 9 squares on each face of the cube ( so that it looks like a rubik ' s cube ) - this is what the cube will look like when it ' s cut into 27 equal smaller cubes . 3 ) remember that the outside of the cube is the part that ' s painted . . . . the mini - cubes with 2 painted sides are all... |
medmcqa | medmcqa_05_02555 | S1 ejection click & severe pulmonary stenosis relation is- | [
"In severe pulmonary stenosis gap increases",
"In severe pulmonary stenosis gap reduces",
"In severe pulmonary'' stenosis no change",
"In severe pulmonary stenosis ejection click comes before"
] | B | Ans. is 'b' i.e., In severe pulmonary stenosis gap reduceso S1 occurs due to the closure of the A. V. valveEjection click occurs due to flow of blood through the pulmonary or the Aortic valve.The ejection of the blood does not begin immediately after the closure of A- V valve.The pulmonary valve opens when the right ve... |
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