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 ⌀ |
|---|---|---|---|---|---|
ARC-Challenge | arc_04_02378 | In what way can bacteria be good for the human body? | [
"Bacteria help the body have strong bones.",
"Bacteria help maintain body temperature.",
"Bacteria help deliver oxygen to the cells.",
"Bacteria help break down food."
] | D | null |
sciq | sciq_01_00541 | What reduces the need for pesticides and other toxic chemicals? | [
"fungi",
"yeast",
"pollen",
"helium"
] | A | Harmless fungi can be used to control pathogenic bacteria and insect pasts on crops. Fungi compete with bacteria for nutrients and space, and they parasitize insects that eat plants. Fungi reduce the need for pesticides and other toxic chemicals. |
sciq | sciq_01_02516 | What are the two different types of vascular tissues called? | [
"biotic and abiotic",
"xylem and phloem",
"epidermis and dermis",
"acid and base"
] | B | The vascular tissues for which these plants are named are specialized to transport fluid. They consist of long, narrow cells arranged end-to-end, forming tubes. There are two different types of vascular tissues, called xylem and phloem. Both are shown in Figure below . |
ARC-Easy | arc_04_02080 | Which of the following does not give an example of how sparrows use resources in their environment to survive? | [
"Sparrows breathe air.",
"Sparrows drink water.",
"Sparrows use the sun for food.",
"Sparrows use plants for shelter."
] | C | null |
ARC-Challenge | arc_04_02190 | Rubbing sandpaper on a piece of wood produces what two types of energy? | [
"heat and light",
"sound and heat",
"light and electricity",
"electricity and sound"
] | B | null |
sciq | sciq_01_02512 | What two values does a blood pressure reading include? | [
"high and low",
"biotic and abiotic",
"systolic and diastolic",
"cholesterol and systolic"
] | C | Blood pressures are expressed in millimeters of mercury. What would be the blood pressure in atmospheres if a patient’s systolic blood pressure is 120 mmHg and the diastolic blood pressure is 82 mmHg? (In medicine, such a blood pressure would be reported as “120/82,” spoken as “one hundred twenty over eighty-two. |
openbookqa | obqa_02_04901 | A plum tree's purple leaves uses light energy to | [
"produce philosophy",
"create nourishment",
"distribute government propaganda",
"create noxious fumes"
] | B | a leaf performs photosynthesis |
sciq | sciq_01_02451 | What is the change in a species over time? | [
"variation",
"evolution",
"transformation",
"phenomenon"
] | B | Scientists do the same thing when they classify , or put into categories, living things. Scientists classify organisms not only by their physical features, but also by how closely related they are. Lions and tigers look like each other more than they look like bears, but are lions and tigers related? Evolutionarily spe... |
math_qa | mathqa_03_02672 | the cost price of 12 articles is equal to the selling price of 8 articles . what is the profit percent ? | [
"40 %",
"45 %",
"50 %",
"55 %"
] | C | "8 * sp = 12 * cp sp = 1.5 * cp the profit percent is 50 % . the answer is c ." |
sciq | sciq_01_06376 | What occurs when light reflects off a very smooth surface and forms a clear image? | [
"refraction",
"absorption",
"projection",
"regular reflection"
] | D | Regular reflection occurs when light reflects off a very smooth surface and forms a clear image. Diffuse reflection occurs when light reflects off a rough surface and forms a blurry image or no image at all. |
medmcqa | medmcqa_05_04839 | SI unit of dose of radiation absorption – | [
"Rad",
"REM",
"Gray",
"Curie"
] | C | The old unit of radiation absorption is rad and new (SI) unit is gray. |
sciq | sciq_01_00907 | What is the germ for a group of atoms within a molecule that reacts similarly anywhere it appears in different compounds? | [
"atomic group",
"molecular group",
"functional group",
"thermal group"
] | C | With over twenty million known organic compounds in existence, it would be very challenging to memorize chemical reactions for each one. Fortunately, molecules with similar functional groups tend to undergo similar reactions. A functional group is defined as an atom or group of atoms within a molecule that has similar ... |
openbookqa | obqa_02_04173 | When the moon orbits our planet | [
"ocean levels rise and drop",
"rivers flow in the opposite direction",
"all living things go to sleep.",
"sea levels stay the same"
] | A | the gravitational pull of the Moon on Earth 's oceans causes the tides |
openbookqa | obqa_02_01153 | To survive living things | [
"need money",
"need Pu",
"need H2O",
"need hunting skills"
] | C | living things require water for survival |
math_qa | mathqa_03_02527 | two unbiased coins are tossed . what is probability of getting at most one tail ? | [
"12",
"13",
"32",
"34"
] | D | "explanation : total 4 cases = [ hh , tt , th , ht ] favourable cases = [ hh , th , ht ] please note we need atmost one tail , not atleast one tail . so probability = 3 / 4 answer : d" |
sciq | sciq_01_06130 | What are the two types of vascular tissues? | [
"ganglia and phloem",
"ectoderm and phloem",
"epidermis and phloem",
"xylem and phloem"
] | D | Vascular tissue runs through the ground tissue inside a plant. It transports fluids throughout the plant. Vascular tissue actually consists of two types of tissues, called xylem and phloem. The two types of vascular tissue are packaged together in bundles. You can see them in the celery in Figure below . |
sciq | sciq_01_01802 | What science is the study of matter and the changes it undergoes? | [
"geology",
"biology",
"chemistry",
"astronomy"
] | C | Chemistry is the study of matter and the changes it undergoes. |
math_qa | mathqa_03_03595 | a boat running up stram takes 6 hours to cover a certain distance , while it takes 7 hours to cover the same distance running down stream . what is the ratio between the speed of the boat and the speed of water current respectively ? | [
"2 : 3",
"5 : 6",
"4 : 5",
"13 : 1"
] | D | "explanation : let speed of boat is x km / h and speed stream is y km / hr 6 ( x + y ) = 7 ( x - y ) 6 x + 6 y = 7 x - 7 y 13 y = x 13 y = x x / y = 13 / 1 13 : 1 answer : option d" |
sciq | sciq_01_01528 | Carbon is a nonmetal with a significantly higher electronegativity; it is therefore more likely to accept electrons in what kind of reaction? | [
"redox reaction",
"reversable reaction",
"catalyst reaction",
"isotope reaction"
] | A | a reductant or an oxidant; it is also a Lewis base. The other reactant (Cl2) is an oxidant, so we expect a redox reaction to occur in which the carbon of CO is further oxidized. Because Cl2 is a two-electron oxidant and the carbon atom of CO can be oxidized by two electrons to the +4 oxidation state, the product is pho... |
math_qa | mathqa_03_04959 | company s produces two kinds of stereos : basic and deluxe . of the stereos produced by company s last month , 2 / 3 were basic and the rest were deluxe . if it takes 8 / 5 as many hours to produce a deluxe stereo as it does to produce a basic stereo , then the number of hours it took to produce the deluxe stereos last... | [
"7 / 17",
"14 / 31",
"4 / 9",
"17 / 35"
] | C | "# of basic stereos was 2 / 3 of total and # of deluxe stereos was 1 / 3 of total , let ' s assume total = 15 , then basic = 10 and deluxe = 5 . now , if time needed to produce one deluxe stereo is 1 unit than time needed to produce one basic stereo would be 8 / 5 units . total time for basic would be 10 * 1 = 10 and t... |
math_qa | mathqa_03_01697 | what is the hcf of 2 / 3 , 4 / 9 and 6 / 18 | [
"7 / 45",
"2 / 45",
"1 / 9",
"8 / 45"
] | C | explanation : hcf of fractions = hcf of numerators / lcm of denominators = ( hcf of 2 , 4 , 6 ) / ( lcm of 3 , 9 , 18 ) = 2 / 18 = 1 / 9 answer : option c |
sciq | sciq_01_08758 | What is the study of the vital statistics of populations and how they change over time? | [
"ethnography",
"sociology",
"anthropology",
"demography"
] | D | |
openbookqa | obqa_02_01422 | What decreases in an environment as the amount of rain increases? | [
"solar light",
"water",
"rivers",
"hydration"
] | A | as the amount of rain increases in an environment , available sunlight will decrease in that environment |
openbookqa | obqa_02_01400 | In a contest to see which would win based on size and weight, the winner with more of both would be | [
"moon",
"Earth",
"pebble",
"cat"
] | B | the earth has more mass than the moon |
openbookqa | obqa_02_00633 | Sound can travel through the | [
"planet",
"sun",
"body",
"sky"
] | D | sound can travel through air |
sciq | sciq_01_04391 | Fatal swelling of what organ can result from both encephalitis and meningitis, which typically cause a severe headache and a fever? | [
"brain",
"heart",
"kidney",
"liver"
] | A | Encephalitis and meningitis aren’t very common, but they can be extremely serious. They may cause swelling of the brain, which can be fatal. That’s why it’s important to know the symptoms of these diseases. Both encephalitis and meningitis typically cause a severe headache and a fever. Meningitis also causes a stiff ne... |
openbookqa | obqa_02_02821 | Wind energy is | [
"unreal",
"careless",
"re-useable",
"noneffective"
] | C | a windmill converts wind energy into electricity |
math_qa | mathqa_03_02400 | 31 of the scientists that attended a certain workshop were wolf prize laureates , and 13 of these 31 were also nobel prize laureates . of the scientists that attended that workshop and had not received the wolf prize , the number of scientists that had received the nobel prize was 3 greater than the number of scientist... | [
"a",
"b",
"c",
"d"
] | D | "lets solve by creating equation . . w = 31 . . total = 52 . . not w = 52 - 31 = 21 . . now let people who were neither be x , so out of 19 who won nobel = x + 3 . . so x + x + 3 = 21 or x = 9 . . so who won nobel but not wolf = x + 3 = 12 . . but people who won both w and n = 13 . . so total who won n = 12 + 13 = 25 .... |
math_qa | mathqa_03_03075 | an equilateral triangle and three squares are combined as shown above , forming a shape of area 48 + 4 √ 3 . what is the perimeter of the shape formed by the triangle and squares ? | [
"18'",
"27'",
"36'",
"48'"
] | C | triangle area = root ( 3 ) s ^ 2 / 4 area of 3 squares together = 3 s ^ 2 root ( 3 ) s ^ 2 / 4 + 3 s ^ 2 = 48 + 4 root ( 3 ) root ( 3 ) / 4 s ^ 2 = 4 root ( 3 ) s ^ 2 = 16 = > s = 4 there are 3 sides of each square = 3 ( 4 ) ( 3 ) = 36 option c |
ARC-Challenge | arc_04_02155 | A ship leaks a large amount of oil near a coastal area. Which statement describes how the oil most likely will affect the coastal habitat? | [
"Fish reproduction rates will increase.",
"Water birds will be unable to use their wings.",
"Water plants will be exposed to more sunlight.",
"Coastal plants will have access to more nutrients."
] | B | null |
medmcqa | medmcqa_05_00180 | A/E is under the control of hypothalamus: | [
"Increases heart rate with exercise",
"Food intake",
"Pituitary hormone regulation",
"Temperature regulation"
] | A | Ans. is 'a' is increase heart rate with exercise Increase in heart rate with exercise in mainly under the medullary control*.All other options are under the hypothalamic controlTemperature regulationAnterior hypothalamus* controls the response to heat*Posterior hypothalamus* controls the response to cold*Food intakeFee... |
medmcqa | medmcqa_05_04417 | Atria mois other name for ? | [
"Gateways of death",
"Gateways of life",
"Gateways of air",
"Gateways of water"
] | A | Ans. is 'a' i.e., Gateways of death Atria Mois Also called gateways of death/ deaths poal of entry. It is believed that death enters the body due to stoppage of one of the three organs i. e. hea, lungs, brain; and thus each of these organs is called atria mois. |
sciq | sciq_01_01793 | Partial albinism results from a mutation in an enzyme that is involved in the production of what? | [
"cancer",
"melanin",
"hair",
"cytoplasm"
] | B | The pointed pattern is a form of partial albinism, which results from a mutation in an enzyme that is involved in melanin production. The mutated enzyme is heat-sensitive; it fails to work at normal body temperatures. However, it is active in cooler areas of the skin. This results in dark coloration in the coolest part... |
sciq | sciq_01_10914 | What term is given to flatworms because they lack a body cavity? | [
"sporozoans",
"acoelomates",
"pores",
"sporazoa"
] | B | Flatworms have no true body cavity, but they do have bilateral symmetry. Due to the lack of a body cavity,flatworms are known as acoelomates. |
math_qa | mathqa_03_02105 | what is the rate percent when the simple interest on rs . 1200 amount to rs . 400 in 4 years ? | [
"8.33 %",
"6 %",
"2 %",
"95 %"
] | A | "interest for 4 yrs = 400 interest for 1 yr = 100 interest rate = 100 / 1200 x 100 = 8.33 % answer : a" |
sciq | sciq_01_11614 | What is another term for life science? | [
"geology",
"ecology",
"meteorology",
"biology"
] | D | Life science is the study of life and living organisms. Life science is also called biology. |
sciq | sciq_01_01690 | What is the lowest energy state of the atom called? | [
"ground state",
"work state",
"active state",
"base state"
] | A | The electrons in an atom tend to be arranged in such a way that the energy of the atom is as low as possible. The ground state of an atom is the lowest energy state of the atom. When those atoms are given energy, the electrons absorb the energy and move to a higher energy level. These energy levels of the electrons in ... |
sciq | sciq_01_08729 | What describes a close and long-term interaction between different species? | [
"symbiosis",
"endosymbiosis",
"dermatitis",
"parasitic"
] | A | Symbiosis describes a close and long-term interaction between different species. |
ARC-Challenge | arc_04_02947 | Which resource when used causes the most pollution? | [
"solar",
"coal",
"wind",
"water"
] | B | null |
sciq | sciq_01_06210 | What is the formation of organs from the germ layers called? | [
"synaptogenesis",
"photosynthesis",
"organogenesis",
"biosynthesis"
] | C | 43.7 Organogenesis and Vertebrate Formation Organogenesis is the formation of organs from the germ layers. Each germ layer gives rise to specific tissue types. The first stage is the formation of the neural system in the ectoderm. The mesoderm gives rise to somites and the notochord. Formation of vertebrate axis is ano... |
math_qa | mathqa_03_03514 | in what time will a railway train 70 m long moving at the rate of 36 kmph pass a telegraph post on its way ? | [
"6 sec",
"7 sec",
"8 sec",
"9 sec"
] | B | "t = 70 / 36 * 18 / 5 = 7 sec answer : b" |
ARC-Easy | arc_04_01375 | If a wooded area is cleared and corn is planted, what will MOST likely happen? | [
"Animal habitats will be destroyed.",
"The air will become polluted.",
"Weather patterns will change.",
"Underground streams will get polluted."
] | A | null |
math_qa | mathqa_03_00477 | the ratio between the length and the breadth of a rectangular park is 3 : 2 . if a man cycling along the boundary of the park at the speed of 12 km / hr completes one round in 7 minutes , then the area of the park ( in sq . m ) is : | [
"153601",
"153600",
"153602",
"117600"
] | D | "perimeter = distance covered in 7 min . = ( 12000 / 60 ) x 7 m = 1400 m . let length = 3 x metres and breadth = 2 x metres . then , 2 ( 3 x + 2 x ) = 1400 or x = 140 . length = 420 m and breadth = 280 m . area = ( 420 x 280 ) m 2 = 117600 m 2 . answer : d" |
ARC-Challenge | arc_04_02208 | Two elements in the same group on the Periodic Table of the Elements are most similar in their | [
"atomic mass.",
"number of protons.",
"atomic size.",
"chemical reactivity."
] | D | null |
openbookqa | obqa_02_03613 | A sugar cube in vinegar will | [
"disappear",
"explode",
"start to fly",
"become hard"
] | A | An example of a chemical change is acid breaking down substances |
ARC-Easy | arc_04_00236 | In the atomic model that includes a nucleus, the positive charge is | [
"spread evenly throughout the model.",
"located at multiple sites in the model.",
"concentrated in the center of the model.",
"positioned outside the center of the model."
] | C | null |
sciq | sciq_01_00365 | If force is applied further away from a pivot point, than what kind of acceleration will be greater? | [
"circular",
"parameters",
"rectangular",
"angular"
] | D | 10.3 Dynamics of Rotational Motion: Rotational Inertia If you have ever spun a bike wheel or pushed a merry-go-round, you know that force is needed to change angular velocity as seen in Figure 10.10. In fact, your intuition is reliable in predicting many of the factors that are involved. For example, we know that a doo... |
medmcqa | medmcqa_05_00473 | Triphasic waveforms in hepatic encephalopathy occurs in stage of - | [
"Coma stage-IV",
"Confusion stage-I",
"Deep coma stage-V",
"Drowsiness stage-II"
] | A | Hepatic encephalopathy Hepatic encephalopathy is a neuropsychiatric syndrome caused by liver disease. As it progresses, delirium is followed by coma. Simple delirium needs to be differentiated from delirium tremens and Wernicke's encephalopathy, and coma from subdural haematoma, which can occur in alcoholics after a fa... |
medmcqa | medmcqa_05_03057 | Otoconia is related to | [
"Hearing",
"Balance",
"Smell",
"Taste"
] | B | Otoconia are bio-crystals which couple mechanic forces to the sensory hair cells in the utricle and saccule, a process essential for us to sense linear acceleration and gravity for the purpose of maintaining bodily balance. In fish, structurally similar bio-crystals called otoliths mediate balance Ref : Internet source... |
openbookqa | obqa_02_04527 | What is made of minerals? | [
"Stonehenge",
"car engines",
"alcohol",
"electricity"
] | A | rock is made of minerals |
math_qa | mathqa_03_00090 | there are 100 employees in a room . 99 % are managers . how many managers must leave the room to bring down the percentage of manager to 98 % ? | [
"1",
"2",
"50",
"49"
] | C | "we have 99 managers and 1 director . that 1 director to compose 2 % of the total number of people , there must be 50 people in the room , hence 50 managers must leave . answer : c ." |
sciq | sciq_01_02865 | What device measures current that flows through wire? | [
"Geiger counter",
"ammeter",
"resistor attachment",
"protractor"
] | B | The device in the circuit in Figure above is an ammeter. It measures the current that flows through the wire. The faster the magnet or coil moves, the greater the amount of current that is produced. If more turns were added to the coil, this would increase the strength of the magnetic field as well. If the magnet were ... |
sciq | sciq_01_09884 | Why do effusive eruptions rarely kill anyone? | [
"They are minor",
"They occur rarely",
"they move slowly",
"They are low temperature"
] | C | Effusive eruptions rarely kill anyone because they move slowly. People can usually be evacuated before an effusive eruption. Still, effusive eruptions can be destructive. There is not much anyone can do to stop a lava flow from destroying a building or road ( Figure below ). |
math_qa | mathqa_03_00682 | in a certain company , a third of the workers do not have a retirement plan . 20 % of the workers who do not have a retirement plan are women , and 40 % of the workers who do have a retirement plan are men . if 128 of the workers of that company are men , how many of the workers are women ? | [
"80",
"95",
"105",
"112"
] | D | "set up equation : x = total number of workers 128 = 0,4 * 2 / 3 * x + 0,8 * 1 / 3 * x 128 = 16 / 30 x x = 240 240 - 128 = 112 answer d" |
sciq | sciq_01_04795 | How many bones fuse together to form the cranium? | [
"8",
"6",
"3",
"8"
] | A | Fixed joints do not allow any bone movement. Many of the joints in your skull are fixed ( Figure below ). There are eight bones that fuse together to form the cranium. The joints between these bones do not allow movement, which helps protect the brain. |
openbookqa | obqa_02_01818 | If you want to bottle your own pop, you should invest in | [
"Andy Warhol paintings",
"an aluminum mine",
"blonde dye bottles",
"a telescope"
] | B | a soda can is made of aluminum |
sciq | sciq_01_02368 | Interneurons carry what back and forth between sensory and motor neurons? | [
"nerve impulses",
"flux impulses",
"sciatica",
"electricity"
] | A | Interneurons carry nerve impulses back and forth between sensory and motor neurons. |
sciq | sciq_01_05197 | The thin scale-like or flat shape of what cells fits their primary function, to provide a smooth and protective surface? | [
"kind epithelium",
"simple epithelium",
"technique epithelium",
"basic epithelium"
] | B | Simple Epithelium The shape of the cells in the single cell layer of simple epithelium reflects the functioning of those cells. The cells in simple squamous epithelium have the appearance of thin scales. Squamous cell nuclei tend to be flat, horizontal, and elliptical, mirroring the form of the cell. The endothelium is... |
math_qa | mathqa_03_00468 | a trained covered x km at 65 kmph and another 2 x km at 20 kmph . find the average speed of the train in covering the entire 3 x km . | [
"22",
"99",
"26",
"66"
] | C | "total time taken = x / 65 + 2 x / 20 hours = 3 x / 26 hours average speed = 3 x / ( 3 x / 26 ) = 26 kmph answer : c" |
math_qa | mathqa_03_01252 | what is the remainder when 1044 * 1047 * 1050 * 1053 is divided by 33 ? | [
"3",
"27",
"30",
"21"
] | C | "explanatory answer useful result pertaining to remainders you can solve this problem if you know this rule about remainders . let a number x divide the product of a and b . the remainder will be the product of the remainders when x divides a and when x divides b . using this rule , the remainder when 33 divides 1044 i... |
sciq | sciq_01_09925 | What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem? | [
"conclusion",
"theory",
"experiment",
"hypothesis"
] | D | After doing the research, the farmer will try to answer the question. She might think, “If I don’t plow my fields, I will lose less soil than if I do plow the fields. Plowing disrupts the soil and breaks up roots that help hold soil in place. ” This answer to her question is a hypothesis . A hypothesis is a reasonable ... |
math_qa | mathqa_03_02951 | what is the area of a square field whose diagonal of length 18 m ? | [
"120 sq m",
"250 sq m",
"200 sq m",
"180 sq m"
] | D | "d 2 / 2 = ( 18 * 18 ) / 2 = 180 answer : d" |
sciq | sciq_01_06926 | Where is multiple fission more often observed? | [
"among protists",
"among multi-celled organisms",
"among animals",
"among vertebrates"
] | A | Binary fission in various single-celled organisms (left). Cell division is a relatively simple process in many single-celled organisms. Eventually the parent cell will pinch apart to form two identical daughter cells. In multiple fission (right), a multinucleated cell can divide to form more than one daughter cell. Mul... |
sciq | sciq_01_06074 | What is the lipid-rich sheath that surrounds the axon and facilitates the transmission of electrical signals along the axon? | [
"receptors sheath",
"axon sheath",
"neural sheath",
"myelin sheath"
] | D | Myelin The insulation for axons in the nervous system is provided by glial cells, oligodendrocytes in the CNS, and Schwann cells in the PNS. Whereas the manner in which either cell is associated with the axon segment, or segments, that it insulates is different, the means of myelinating an axon segment is mostly the sa... |
sciq | sciq_01_01789 | There are three flat skeletal muscles in the antero-lateral wall of what? | [
"abdomen",
"shoulder socket",
"thoracic cavity",
"hip joint"
] | A | There are three flat skeletal muscles in the antero-lateral wall of the abdomen. The external oblique, closest to the surface, extend inferiorly and medially, in the direction of sliding one’s four fingers into pants pockets. Perpendicular to it is the intermediate internal oblique, extending superiorly and medially, t... |
openbookqa | obqa_02_02182 | Which would result in the most dangerous driving experience? | [
"light rain",
"low speed",
"distant thunder",
"heavy fog"
] | D | a decrease in visibility while driving can cause people to crash their car |
openbookqa | obqa_02_03824 | The population of plants will go down if | [
"nobody cuts them down",
"the people leave them alone",
"the rabbits avoid them",
"there's less liquid around"
] | D | as available water decreases , the population of plants will decrease |
sciq | sciq_01_10114 | What is composed of very long strands of glucose monomers, is largely indigestible and comprises the cell walls of plants? | [
"tree bark",
"chlorophyll",
"cellulose",
"vascular cambrium"
] | C | Cellulose is composed of very long strands of glucose monomers that are hydrogen bonded to one another. Cellulose is largely indigestible and comprises the cell walls of plants. |
openbookqa | obqa_02_04532 | Two parakeets, each in a separate house, each in a windowless room, may share information through | [
"squawks",
"shrugs",
"seeds",
"notes"
] | A | sound can be used for communication by animals |
sciq | sciq_01_00025 | This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what? | [
"Newton's third law",
"Mendelian systems",
"van der waals interactions",
"gravitational pull"
] | C | any other electron, they become a part of the molecule’s electron system.204 This sharing of electrons produces what is known as a covalent bond. Covalent bonds are ~20 to 50 times stronger than van der Waals interactions. What exactly does that mean? Basically, it takes 20 to 50 times more energy to break a covalent b... |
math_qa | mathqa_03_04077 | a container holding 12 ounces of a solution that is 1 part alcohol to 2 parts water is added to a container holding 9 ounces of a solution that is 1 part alcohol to 2 parts water . what is the ratio of alcohol to water in the resulting solution ? | [
"1 : 2",
"3 : 7",
"3 : 5",
"4 : 7"
] | A | "container 1 has 12 ounces in the ratio 1 : 2 or , x + 2 x = 12 gives x ( alcohol ) = 4 and remaining water = 8 container 2 has 9 ounces in the ratio 1 : 2 or , x + 2 x = 9 gives x ( alcohol ) = 3 and remaining water = 6 mixing both we have alcohol = 4 + 3 and water = 8 + 6 ratio thus alcohol / water = 7 / 14 = 1 / 2 a... |
sciq | sciq_01_11629 | How can you calculate the density of matter? | [
"by subtracting mass from volume",
"by dividing its volume by its mass",
"by dividing its mass by its volume",
"by multiplying its mass by its volume"
] | C | The density of matter can be calculated by dividing its mass by its volume. |
math_qa | mathqa_03_01302 | what is the least number which when divided by 6 , 9 , 12 and 18 leaves remainder 4 in each care ? | [
"30",
"40",
"36",
"56"
] | B | "explanation : lcm of 6 , 9 , 12 and 18 is 36 required number = 36 + 4 = 40 answer : option b" |
sciq | sciq_01_01158 | Because they are charged (polar), these ions do not diffuse through what? | [
"membrane",
"protein",
"substrate",
"cell wall"
] | A | Ions such as sodium (Na + ), potassium (K + ), calcium (Ca 2+ ), and chloride (Cl - ), are important for many cell functions. Because they are charged (polar), these ions do not diffuse through the membrane. Instead they move through ion channel proteins where they are protected from the hydrophobic interior of the mem... |
sciq | sciq_01_04851 | What is the vector sum of all the torques acting on the object called? | [
"total torque",
"critical torque",
"net torque",
"gross torque"
] | C | The net torque is the vector sum of all the torques acting on the object. When adding torques it is necessary to subtract CW from CCW torques. |
math_qa | mathqa_03_04214 | if 145 % of j is equal to 25 % of k , 160 % of k is equal to 50 % of l , and 175 % of l is equal to 75 % of m , then 40 % of m is equal to what percent of 200 % of j ? | [
"0.35",
"3.5",
"35",
"700"
] | D | "imo answer should be 350 . . . consider j = 10 , then k = 50 , l = 150 and m = 350 . . . . 40 % of 350 , comes out to be 140 . . . . 200 % of 10 is 20 . . . . ( 140 * 100 ) / 20 = 700 . . . . ans : d" |
medmcqa | medmcqa_05_01099 | The minimal concentration of oxygen that should be used with Nitrous oxide analgesia is: | [
"10%",
"20%",
"30%",
"40%"
] | B | Nitrous oxide is a weak anaesthetic and while some patients can be brought to an unconscious level by mixture of Nitrous oxide and Oxygen containing at least 20% Oxygen. |
sciq | sciq_01_01437 | Which property can you study by comparing the mass of an object relative to its size? | [
"density",
"motion",
"weight",
"volume"
] | A | A golf ball and a table tennis ball are about the same size. However, the golf ball is much heavier than the table tennis ball. Now imagine a similar size ball made out of lead. That would be very heavy indeed! What are we comparing? By comparing the mass of an object relative to its size, we are studying a property ca... |
medmcqa | medmcqa_05_02251 | Which of following is not derived from first pouch? | [
"Auditory tube",
"External acoustic meatus",
"Tympanic cavity",
"Mastoid antrum"
] | B | Ans. is'b' i.e., External acoustic meatus Ref: Langman's Medical Embryology 12th/e p. 326,366 |
medmcqa | medmcqa_05_02378 | Drug for management of hypertension in Phaeochromocytoma? | [
"Phenoxybenzamine",
"Phentolamine",
"Labetalol",
"Esmolol"
] | A | Ans. is 'a' i.e., Phenoxvbenzamine There are three methods used for the preoperative treatment of pheochromocytomao Once a pheochromocytoma is diagnosed, all patients should undergo a resection of the pheochromocvtoma following appropriate medical preparation.o Resecting a pheochromocytoma is a high-risk surgical proce... |
sciq | sciq_01_06503 | Birds flying thousands of miles south in the winter, then returning to their homes in spring, is a familiar example of what? | [
"evacuation",
"migration",
"emigration",
"hibernation"
] | B | One type of migration that you are probably familiar with is the migration of birds. Maybe you have heard that birds fly south for the winter. In the fall, birds fly thousands of miles to the south where it is warmer. In the spring, they return to their homes. ( Figure below ). |
sciq | sciq_01_06483 | The hardest natural substance, diamond is a form of what element? | [
"hydrogen",
"zirconium",
"zenon",
"carbon"
] | D | Diamond is a form of carbon in which each carbon atom is covalently bonded to four other carbon atoms. This forms a strong, rigid, three-dimensional structure (see Figure below ). Diamond is the hardest natural substance, and no other natural substance can scratch it. This property makes diamonds useful for cutting and... |
medmcqa | medmcqa_05_02073 | Which of the following biochemical test is ideal for identification of Neisseria gonorrhea? | [
"Sucrose fermentation test",
"Oxidase test",
"Penicillin resistant test",
"Coagulase test"
] | B | The Neisseria produce oxidase and give positive oxidase reactions. The oxidase test is a key test for identifying them. When bacteria are spotted on a filter paper soaked with tetramethyl paraphenylenediamine hydrochloride (oxidase), the neisseriae rapidly turn dark purple.Reference: Jawetz, Melnick, & Adelberg's Medic... |
medmcqa | medmcqa_05_04746 | Melanocytic marker is? | [
"CD99",
"HMB-45",
"NMP-22",
"CA-125"
] | B | Ans. is 'b' i.e., HMB-45 Markers for melanocytes1) S-100 - 90% of tumors are positive2) HMB-45 - More specific but less sensitive than S-1003) TA-904) Tyrosinase5) Microphthalmia transcription factor 6) Melan-A |
sciq | sciq_01_05483 | What are the two major atmospheric gases? | [
"carbon and helium",
"hydrogen and oxygen",
"nitrogen and oxygen",
"nitrogen and hydrogen"
] | C | The major atmospheric gases are nitrogen and oxygen. The atmosphere also contains minor amounts of other gases, including carbon dioxide. |
sciq | sciq_01_00990 | What system lets flatworms maintain a proper balance of water and salts? | [
"nervous",
"excretory",
"digestive",
"homeostasis"
] | B | Flatworms reflect several major evolutionary advances in invertebrates. They have three embryonic cell layers, including mesoderm. The mesoderm layer allows them to develop organ systems. For example, they have muscular and excretory systems. The muscular system allows them to move from place to place over solid surfac... |
openbookqa | obqa_02_00444 | On a clear day I should | [
"ride my bike",
"Bring an umbrella",
"Wear a coat",
"Stay inside"
] | A | clear weather means sunny weather |
medmcqa | medmcqa_05_01214 | Which is a "Soft steroid" used in bronchial asthma | [
"Budesonide",
"Dexamethasone",
"Ciclesonide",
"Flunisolide"
] | C | Ciclesonide has got high topical: systemic activity ratio.Soft steroid is the one that gets metabolized in lungs and has less systemic side effects. |
sciq | sciq_01_02555 | What is the process by which plants gain energy and produce sugar? | [
"chemosynthesis",
"glycolysis",
"respiration",
"photosynthesis"
] | D | 13 Photosynthesis 6 CO2 + 6 H2 O → C6 H12 O6 + 6 O2 • One of most important reactions in history of life: • source of atmospheric O2 • ultimately led to aerobic respiration and eukaryotes • Responsible for bulk of glucose production • Early experiments showed that mass of plant must be derived from substances in the ai... |
openbookqa | obqa_02_02272 | A person wants to discover how much time they've spent on something, so when they think about data, they need to | [
"accumulate it",
"ignore it",
"lose it",
"forget it"
] | A | An example of collecting data is measuring |
ARC-Easy | arc_04_01147 | If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live? | [
"The population of deer will increase.",
"The population of deer will decrease.",
"The population of deer will remain the same.",
"The population of deer will become extinct."
] | A | null |
sciq | sciq_01_02734 | Organs, vessels, and lymph make up what system? | [
"circulatory",
"digestive",
"nervous",
"lymphatic"
] | D | The lymphatic system consists of organs, vessels, and lymph. |
sciq | sciq_01_11649 | Which type of animal creates useful substances such as honey, wax, lacquer, and silk? | [
"fungus",
"insects",
"bacteria",
"spiders"
] | B | Insects produce useful substances, such as honey, wax, lacquer, and silk. |
medmcqa | medmcqa_05_01799 | The distinct neurotoxin produced by which Clostridia? | [
"Clostridium welchii",
"Clostridium tetani",
"Clostridium septicum",
"Clostridium oedematiens"
] | B | (B) Clostridium tetani # Toxins: Cl. tetani produces at least two distinct toxins - a hemolysin (tetanolysin) and a powerful neurotoxin (tetanospasmin).> Two are antigenically and pharmacologically distinct & their production is mutually independent |
sciq | sciq_01_10605 | What are the winds that occur in belts that encircle the planet? | [
"global winds",
"global rains",
"galactic winds",
"new winds"
] | A | Before catalytic converters were required, cars spewed a lot of pollutants into the air. On the left is a car without a catalytic converter. The car on the right has one. |
math_qa | mathqa_03_00693 | if the population of a certain country increases at the rate of one person every 40 seconds , by how many persons does the population increase in 1 hour ? | [
"90",
"120",
"150",
"180"
] | A | "answer = 1.5 * 60 = 90 answer is a" |
sciq | sciq_01_01872 | What substance do developing seeds produce which promotes fruit growth? | [
"xenon",
"pepsin",
"interferon",
"auxin"
] | D | |
ARC-Easy | arc_04_00952 | Investigations were performed to test several methods of keeping petals from falling off flowers that had been cut. Which is the most likely reason for this investigation? | [
"to test a hypothesis",
"to form a theory",
"to produce a scientific paper",
"to change previous results"
] | A | null |
medmcqa | medmcqa_05_03918 | A survey was conducted and it was found that out of 7,000 drivers using mobile, 700 met with accident. And in the same period out of 3,000 drivers without using mobile, only 30 met with accident. Calculate the relative risk: March 2013 (a, b, d, e, f) | [
"5",
"10",
"3.99",
"8.339"
] | B | Ans. B i.e. 10 Relative risk: Incidence of disease (or death) among exposed/Incidence of disease (or death) among non-exposed Mobile users while driving Accident No Accident Total Yes 700 (a) 6300 (b) 7000 (a + b) OM. No 30 (c) 2970 (d) 3000 (c + d) Incidence rates: Among mobile users: 700/7000 = 100 per 1000 Among non... |
sciq | sciq_01_00039 | What are the sites of protein synthesis or assembly? | [
"chromosomes",
"plasma",
"chloroplasts",
"ribosomes"
] | D | Ribosomes are small organelles and are the sites of protein synthesis (or assembly). They are made of ribosomal protein and ribosomal RNA, and are found in both eukaryotic and prokaryotic cells. Unlike other organelles, ribosomes are not surrounded by a membrane. Each ribosome has two parts, a large and a small subunit... |
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