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 ⌀ |
|---|---|---|---|---|---|
openbookqa | obqa_02_00333 | What does gravity cause substances on a planet? | [
"things to move sideways",
"things to be moved upwards",
"things to descend to the lowest surface possible",
"things to stay in the same place"
] | C | gravity causes substances to be pulled down on a planet |
openbookqa | obqa_02_03428 | What does harming an organism cause? | [
"population increase",
"change in appearance",
"population decrease",
"nothing"
] | C | as population of predators decreases , the population of prey will increase in an environment |
sciq | sciq_01_07031 | Viruses depend on what type of cells? | [
"blood cells",
"anchor cells",
"immune system cells",
"host cells"
] | D | Briefly describe how viruses depend on host cells. |
ARC-Easy | arc_04_00493 | Frame construction predominates in the New England area due to the abundance of | [
"clay.",
"masonry.",
"wood.",
"steel."
] | C | null |
ARC-Challenge | arc_04_02220 | A "widow's peak" hairline in humans is coded by the dominant allele W. A straight hairline is coded by the recessive allele w. A man with a homozygous dominant WW produces a zygote with a woman with a heterozygous dominant Ww for the trait. Which allele combinations could occur in the zygote? | [
"WW or ww",
"WW or Ww",
"WW only",
"Ww only"
] | B | null |
sciq | sciq_01_06394 | What do you call the high and low points of transverse waves? | [
"echos and troughs",
"bands and troughs",
"crests and troughs",
"waves and troughs"
] | C | In a transverse wave, such as a wave in a rope, the medium vibrates at right angles to the direction that the wave travels. The high points of transverse waves are called crests, and the low points are called troughs. |
openbookqa | obqa_02_00158 | A cacti is basically an enormous stem, which means that | [
"it can be drunk from",
"it is very thin",
"it holds up bright green leaves",
"it can hide in grass"
] | A | a stem is used to store water by some plants |
sciq | sciq_01_11560 | What is it called when the nucleus of an atom splits into two smaller nuclei? | [
"complex fission",
"nuclear fusion",
"nuclear fission",
"cell division"
] | C | Nuclear fission is the splitting of the nucleus of an atom into two smaller nuclei. This releases a great deal of energy. Nuclear power plants use the energy from nuclear fission to generate electricity. |
ARC-Easy | arc_04_01957 | Students are learning about the natural resources in Maryland. One group of students researches information about renewable natural resources in the state. The other group researches information about nonrenewable natural resources in the state. The resources the students investigate include plants, animals, soil, mine... | [
"sunlight",
"aluminum",
"natural gas",
"ocean waves"
] | C | null |
math_qa | mathqa_03_00915 | in a college the ratio of the numbers of boys to the girls is 8 : 5 . if there are 190 girls , the total number of students in the college is ? | [
"562",
"356",
"452",
"494"
] | D | "let the number of boys and girls be 8 x and 5 x then , 5 x = 190 x = 38 total number of students = 13 x = 13 * 38 = 494 answer is d" |
sciq | sciq_01_03928 | What is it called when you touch a charged object to the earth? | [
"cooling",
"dispersion",
"grounding",
"charging"
] | C | The earth is also a conductor. Touching a charged object to the earth is called grounding . When you touch a conductor to the earth, you allow the earth to share the charge. Since the earth is billions of times bigger than the object, the earth takes nearly all of the charge. The charged object that was grounded now ha... |
openbookqa | obqa_02_01999 | If an animal is trained to do something, that is a learned what? | [
"mode of conduct",
"sensation",
"emotion",
"feeling"
] | A | if an animal is trained to do something then that something is a learned behavior |
ARC-Easy | arc_04_00367 | The most common way humans contribute to the extinction of organisms is by | [
"rotation of crops.",
"use of fertilizers.",
"destruction of habitat.",
"introduction of competing species."
] | C | null |
openbookqa | obqa_02_00665 | evaporation is the first stage in the what cycle | [
"H2O",
"lunar",
"growth",
"menstrual"
] | A | evaporation is when water is drawn back up into the air in the water cycle |
medmcqa | medmcqa_05_03952 | Which of the following drugs is not associated with pure red cell aplasia? | [
"Phenytoin",
"Isoniazid",
"Erythropoietin",
"Chloramphenicol"
] | C | c. Erythropoietin(Ref: Nelson's 20/e p 2362-2371, Ghai 8/e p 345-347)Classification of pure red cell aplasiaAcquired* Self-limited: Transient erythroblastopenia of childhood* Thymoma* Hereditary: Congenital pure red cell aplasia (Diamond- Blackfan syndrome)Q* Lymphomas: Hodgkin's, or Non Hodgkin's, large granular Lymph... |
openbookqa | obqa_02_03036 | A good example of a mixture is | [
"dry wood and dry beans",
"ocean and lake water",
"rabbits and young hares",
"old bread and buns"
] | B | An example of a mixture is clay mixed together |
sciq | sciq_01_03744 | Velocity is a vector that has both direction and what? | [
"latitude",
"radiation",
"variable",
"magnitude"
] | D | Because acceleration is velocity in m/s divided by time in s, the SI units for acceleration are m/s 2 , meters per second squared or meters per second per second, which literally means by how many meters per second the velocity changes every second. Recall that velocity is a vector—it has both magnitude and direction. ... |
sciq | sciq_01_04631 | What results when a force does work? | [
"momentum",
"pressure",
"side effect",
"movement"
] | D | work: A force is said to do work when it acts on a body so that there is a displacement of the point of application, however small, in the direction of the force. Thus a force does work when it results in movement. The work done by a constant force of magnitude on a point that moves a distance in the direction of the f... |
math_qa | mathqa_03_00481 | of 3 numbers , the third is 4 times the second and the second is two times the first . if their average is 165 , the smallest of the 3 numbers is : | [
"18",
"19",
"45",
"21"
] | C | explanation : let first number be x . so , 2 nd no . = 2 x & 3 rd no . = 8 x . so , x + 2 x + 8 x = 165 × 3 = 495 11 x = 495 / 11 x = 495 / 11 hence , smallest number x = 45 answer : c |
math_qa | mathqa_03_02094 | a train 100 meters long completely crosses a 300 meters long bridge in 12 seconds . what is the speed of the train is ? | [
"32 kmph",
"76 kmph",
"120 kmph",
"43 kmph"
] | C | "s = ( 100 + 300 ) / 12 = 400 / 12 * 18 / 5 = 120 answer : c" |
ARC-Easy | arc_04_00190 | Which of the following is found in all living organisms? | [
"cell",
"organ",
"organ system",
"tissue"
] | A | null |
openbookqa | obqa_02_01769 | As you go from farther away from an object to closer to it, the object will | [
"get smaller",
"hit you",
"die",
"get big"
] | D | as distance from an object decreases , that object will appear larger |
math_qa | mathqa_03_01473 | a rectangular floor that measures 6 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters . if the carpet squares cost $ 15 apiece , what is the total cost for the number of carpet squares needed to cover the floor ? | [
"$ 200",
"$ 240",
"$ 480",
"$ 225"
] | D | "the width of the rectangular floor ( 6 m ) is a multiple of one side of the square ( 2 m ) , and the length of the floor ( 10 m ) is also a multiple of the side of the square . so the number of carpets to cover the floor is ( 6 / 2 ) * ( 10 / 2 ) = 15 . the total cost is 15 * 15 = $ 225 . the answer is , therefore , d... |
math_qa | mathqa_03_03884 | a batsman makes a score of 95 runs in the 11 th inning and thus increases his average by 5 . find his average after 11 th inning . | [
"40",
"50",
"62",
"45"
] | D | "let the average after 11 th inning = x then , average after 10 th inning = x - 5 10 ( x - 5 ) + 95 = 11 x x = 95 - 50 = 45 answer is d" |
openbookqa | obqa_02_01067 | A moth can metamorphosize when | [
"it releases itself from a self-made chamber",
"it is entirely reborn",
"it is fully recreated",
"it becomes a winged creature"
] | A | a moth undergoes metamorphosis |
sciq | sciq_01_04165 | Tropical rainforest, chaparral, and taiga are what kind of biomes? | [
"arboreal",
"terrestrial",
"endangered",
"freshwater"
] | B | Terrestrial biomes include the tropical rainforest, chaparral, and taiga. |
medmcqa | medmcqa_05_00067 | Sleep spindles are seen in which stage | [
"Stage 1",
"Stage 2",
"Stage 3",
"Stage 4"
] | B | Sleep spindles are bursts of neural oscillatory activity that are generated by interplay of the thalamic reticular nucleus (TRN) and other thalamic nuclei during stage 2 NREM sleep in a frequency range of ~11 to 16 Hz (usually 12-14 Hz ) with a duration of 0.5 seconds or greater (usually 0.5-1.5 seconds) After generati... |
sciq | sciq_01_09563 | While smooth muscle tissue can regenerate from stem cells called pericytes, dead cardiac muscle tissue is replaced by what type of tissue? | [
"Maximum",
"neon tissue",
"embryo tissue",
"scar tissue"
] | D | 10.9 Development and Regeneration of Muscle Tissue Muscle tissue arises from embryonic mesoderm. Somites give rise to myoblasts and fuse to form a myotube. The nucleus of each contributing myoblast remains intact in the mature skeletal muscle cell, resulting in a mature, multinucleate cell. Satellite cells help to repa... |
ARC-Easy | arc_04_01132 | The Andes Mountains in South America formed when an oceanic plate shifted beneath a continental plate. Which other landforms are usually associated with this type of plate boundary? | [
"barrier islands",
"ocean trenches",
"mid-ocean ridges",
"volcanic island arcs"
] | B | null |
ARC-Easy | arc_04_01139 | Which best explains why some reptiles and amphibians lay an abundance of eggs? | [
"It increases the population.",
"The eggs provide food for predators.",
"These animals do not have to stay with their eggs.",
"It increases the chance of some eggs surviving to hatch."
] | D | null |
openbookqa | obqa_02_04287 | During the rainy season in a city, the amount of sunlight in the city will | [
"stay the same",
"decrease",
"expand",
"increase"
] | B | as the amount of rain increases in an environment , available sunlight will decrease in that environment |
sciq | sciq_01_06785 | What is necessary for organisms to survive in the deepest parts of the ocean? | [
"reflexes",
"mutation",
"adaptations",
"competition"
] | C | There are few organisms that live in the deepest ocean. The ones that do have amazing adaptations to the exceptionally harsh conditions. |
sciq | sciq_01_04286 | White blood cells called what travel to areas of the body that are inflamed? | [
"gametocytes",
"spirochetes",
"platelets",
"phagocytes"
] | D | White blood cells called phagocytes travel to areas of the body that are inflamed. |
medmcqa | medmcqa_05_04592 | Beta 1 antagonist used in congestive cardiac failure - | [
"Atenolol",
"Metoprolol",
"Salbutamol",
"Terbutaline"
] | B | Ans. is 'b' i.e., Metoprolol b-blockers used in CHF1. Cardioselective b-blockers (b-blockers)o Atenololo Bisoprololo Celiprololo Esmololo Metoprololo Nebivololo Acebutalolo Betoxalol2. Non-selective b-blocker with a-blocking actingo Carvedilolo Dilovalolo Medroxalolo BucindololoLabetalolo Bevantololo Nipradilol o Among... |
medmcqa | medmcqa_05_02108 | The matrix retainer wherein anatomy adaptation is possible without wedges is | [
"Tofflemire",
"Steele’s siqveland",
"Ivory no. 1",
"Ivory no. 8"
] | B | Steele’s Siqveland is a self- adjusting matrix retainer without the use of wedges. It is used on a tapering tooth. |
ARC-Challenge | arc_04_02563 | Muscle cells have the ability to store and release large amounts of energy. Which body function is best served by this release of energy? | [
"exchanging gases",
"moving body parts",
"absorbing nutrients",
"sending nerve impulses"
] | B | null |
sciq | sciq_01_00011 | What is controlled by both genes and experiences in a given envionment? | [
"reflexes",
"learned behaviors",
"animal behaviors",
"instincts"
] | C | Most animal behaviors are controlled by both genes and experiences in a given environment. |
sciq | sciq_01_00266 | What produces hormones that directly regulate body processes? | [
"pancreas",
"lymph glands",
"hypothalamus",
"hippocampus"
] | C | The hypothalamus also produces hormones that directly regulate body processes. For example, it produces antidiuretic hormone. This hormone travels to the kidneys and stimulates them to conserve water by producing more concentrated urine. |
medmcqa | medmcqa_05_03279 | A vasopressin analogue does not produce therapeutic effect through vasopressin V-2 receptor in which one of the following - | [
"Central diabetes insipidus",
"Bleeding esophageal varices",
"Type I von Willebrand's disease",
"Primary nocturnal enuresis"
] | B | Ans. is 'b' i.e., Bleeding esophageal varices |
math_qa | mathqa_03_01205 | each of the 59 members in lourdes school class is required to sign up for a minimum of one and a maximum of 3 academic clubs . the 3 clubs to choose from are the poetry club , the history club , and the writing club . a total of 22 students sign up for the poetry club , 27 students for the history club , and 28 student... | [
"2",
"5",
"6",
"8"
] | C | each of the 59 members in lourdes school class is required to sign up for a minimum of one and a maximum of three academic clubs . total = g 1 + g 2 + g 3 - ( # in exactly 2 ) - 2 * ( # in 3 sets ) 59 = 22 + 27 + 28 - ( 6 ) - 2 x so , # in 3 sets = 6 = c |
math_qa | mathqa_03_01726 | a sports retailer ordered white and yellow tennis balls in equal number but the dispatch clerk of the tennis ball company erred and dispatched 20 extra yellow balls and making ratio of white balls to yellow balls 8 / 13 . how many tennis balls did the retailer order originally . | [
"64",
"130",
"140",
"160"
] | A | "white : yellow = x : ( x + 20 ) = 8 : 13 - - > 13 x = 8 x + 160 - - > x = 32 . the total # of balls originally x + x = 32 + 32 = 64 . answer : a ." |
medmcqa | medmcqa_05_01962 | IQ of 70 - 75 denotes | [
"Borderline MR",
"Moderate MR",
"Severe MR",
"Normal intelligence"
] | A | Normal IQ → 90-109; Borderline IQ → 70-89; Mild mental retardation IQ → 50-69; Moderate mental retardation IQ → 35-49; Severe MR IQ → 20-34; Profound MR IQ → 0-19. |
math_qa | mathqa_03_04940 | a reduction of 25 % in the price of oil enables a house wife to obtain 5 kgs more for rs . 800 , what is the reduced price for kg ? | [
"40",
"60",
"70",
"80"
] | A | "a 800 * ( 25 / 100 ) = 200 - - - - 5 ? - - - - 1 = > rs . 40" |
sciq | sciq_01_04969 | If a gyroscope is not spinning, it acquires angular momentum in the direction of what? | [
"gravity",
"velocity",
"torque",
"acceleration"
] | C | This same logic explains the behavior of gyroscopes. Figure 10.31 shows the two forces acting on a spinning gyroscope. The torque produced is perpendicular to the angular momentum, thus the direction of the torque is changed, but not its magnitude. The gyroscope precesses around a vertical axis, since the torque is alw... |
medmcqa | medmcqa_05_00123 | DOC in type I lepra reaction with severe neuritis – | [
"Thalidomide",
"Clafazamide",
"Dapsone",
"Systemic corticosteroid"
] | D | Corticosteroids are the treatment of choice for both type 1 and type 2 reaction. |
medmcqa | medmcqa_05_02637 | Marker enzyme for plasma membrane is: | [
"5'Nucleotidase",
"Catalase",
"Acid Phosphatase",
"GGT"
] | A | Ans. A. 5'NucleotidaseMembrane/organelleMarker enzymesPlasma Membrane5'-Nucleotidase Adenylyl Cyclase Na+-K+ ATPaseEndoplasmic reticulumGlucose-6-phosphataseGolgi ComplexGalactosyl TransferaseQInner Mitochondrial Membrane ATP SynthasePeroxisomeCatalase, Urate OxidaseLysosomesAcid PhosphataseCytoplasmLactate Dehydrogena... |
openbookqa | obqa_02_00734 | Ethyl alcohol can be made by distilling and fermenting simple sugars from | [
"a starchy slurry",
"wet sand",
"dry sawdust",
"rice fields"
] | A | ethanol sometimes is made of corn |
sciq | sciq_01_04736 | Young eutherians complete their embryonic development within what? | [
"ovaries",
"uterus",
"pollen grains",
"spores"
] | B | |
math_qa | mathqa_03_04221 | the present worth of rs . 242 due in 2 years at 10 % per annum compound interest is : | [
"rs . 200",
"rs . 250",
"rs . 240",
"rs . 220"
] | A | "explanation : present worth of rs . x due t years hence is given by present worth ( pw ) = x / ( 1 + r / 100 ) t present worth ( pw ) = 242 / ( 1 + 10 / 100 ) 2 = 242 / ( 11 / 10 ) 2 = rs . 200 answer : option a" |
sciq | sciq_01_08062 | What part of the body do hookworms infest? | [
"intestines",
"skin",
"lungs",
"brain"
] | A | Hookworms, such as Ancyclostoma and Necator, infest the intestines and feed on the blood of mammals, especially in dogs, cats, and humans. Trichina worms (Trichinella) are the causal organism of trichinosis in humans, often resulting from the consumption of undercooked pork; Trichinella can infect other mammalian hosts... |
sciq | sciq_01_04096 | A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as? | [
"symbiotic chromosomes",
"homologous chromosomes",
"endroctyne chromosomes",
"analogous chromosomes"
] | B | From Genotype to Phenotype Each human body cell has a full complement of DNA stored in 23 pairs of chromosomes. Figure 28.24 shows the pairs in a systematic arrangement called a karyotype. Among these is one pair of chromosomes, called the sex chromosomes, that determines the sex of the individual (XX in females, XY in... |
ARC-Easy | arc_04_01155 | What do producers need to make food? | [
"sunlight, oxygen, and carbon dioxide",
"sunlight, water, and carbon dioxide",
"water, oxygen, and carbon dioxide",
"water, oxygen, and sunlight"
] | B | null |
sciq | sciq_01_08504 | Energy from sunlight is absorbed by what pigment in the thylakoid membrane of chloroplasts? | [
"keratin",
"melatonin",
"tannin",
"chlorophyll"
] | D | Chloroplasts contain stacks of thylakoids , which are flattened sacs of membrane. Energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membrane. There are two separate parts of a chloroplast: the space inside the chloroplast itself, and the space inside the thylakoids ( Figure below ). |
sciq | sciq_01_07238 | What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant? | [
"oscillation",
"sound",
"frequency",
"resonance"
] | C | Green light has a higher frequency than microwaves. It is possible to calculate it, but since the speed of an electromagnetic wave is constant we know that waves with higher wavelengths must have a lower frequency based on the wave equation. |
openbookqa | obqa_02_03874 | If I hear about a warm front I can expect to bring what with me to work? | [
"time traveling",
"candles",
"an umbrella",
"a wagon"
] | C | a warm front causes cloudy and rainy weather |
sciq | sciq_01_01894 | Liquid water changing to water vapor is called? | [
"evaporation",
"respiration",
"oxidation",
"transpiration"
] | A | |
openbookqa | obqa_02_02519 | If a thing has a certain amount of itself, then it can be described using | [
"that smell",
"that color",
"that volume",
"that taste"
] | C | the volume of an object can be used to describe the size of that object |
sciq | sciq_01_05589 | What is a large space that helps the organism digest & move nutrients around the cnidarian body? | [
"gastrovascular cavity",
"abdominal wall",
"thorax",
"vacuole"
] | A | Unlike the sponges which evolved prior to cnidarians, the cnidarians are made up of true tissues. The inside of a cnidarian is called the gastrovascular cavity , a large space that helps the organism digest and move nutrients around the body. The cnidarians also have nerve tissue organized into a net-like structure, kn... |
medmcqa | medmcqa_05_03006 | NADPH actions in RBC are a/e | [
"Produce ATP",
"Stabilizes the membrane",
"Reductive biosynthesis",
"GP6D deficiency causes decreased synthesis of NADPH"
] | A | ATP is not produced by NADPH. ATP is produced by reducing equivalents like NADH, FADH2. W When NADH and other reducing equivalents transfer their electrons through Electron transpo chain in the Mitochondrial inner membrane and generate proton motive force which brings about the ATP synthesis by the ATP synthase complex... |
sciq | sciq_01_00273 | What are alkenes organic compounds that contain one or more double or triple bonds between carbon atoms described as? | [
"strong",
"insulated",
"unsaturated",
"saturated"
] | C | Alkenes Organic compounds that contain one or more double or triple bonds between carbon atoms are described as unsaturated. You have likely heard of unsaturated fats. These are complex organic molecules with long chains of carbon atoms, which contain at least one double bond between carbon atoms. Unsaturated hydrocarb... |
openbookqa | obqa_02_02829 | if a person gets a shock from a faulty system, which of these surfaces were likely touched? | [
"a paper lined surface",
"a steel lined one",
"a wood lined one",
"a cotton line surface"
] | B | metal is an electrical energy conductor |
sciq | sciq_01_06664 | Over 90% of the energy we use comes originally from what? | [
"water",
"earth",
"sun",
"horizon"
] | C | Over 90% of the energy we use comes originally from the sun. Every day, the sun provides the earth with almost 10,000 times the amount of energy necessary to meet all of the world’s energy needs for that day. Our challenge is to find ways to convert and store incoming solar energy so that it can be used in reactions or... |
medmcqa | medmcqa_05_04917 | CD 19 positive, CD22 positive, CD103 positive monoclonal B-cells with bright kappa positivity were found to comprise 60% of the peripheral blood lymphoid cells on flow cytometric analysis in a 55 year old man with massive splenomegaly and a total leucocyte count 3.3 x 109/L. Which one of the following is the most likel... | [
"Splenic lymphoma with villous lymphocytes",
"Mantle cell lymphoma",
"B-cell prolymphocytic leukemia",
"Hairy cell leukemia"
] | D | Hairy cell leukaemia: Constitutes about 2% of all leukaemia. Male:female: :5:1,middle aged white males predominant , median age :55; Immunophenotype: typically express pan-Bcell markers CD19&CD20, surface Ig(usually IgG) & ceain relatively distinctive markers , such as CD11c,CD25 ,CD103 and annexin A1. Ref:Robbins path... |
math_qa | mathqa_03_01000 | if 18 men take 15 days to to complete a job , in how many days can 24 men finish that work ? | [
"10",
"11",
"12",
"13"
] | A | ans . 10 days |
openbookqa | obqa_02_04601 | treating water is used to remove harmful substances before what? | [
"emptying",
"guzzling",
"evaporating",
"disposing"
] | B | treating water is used to remove harmful substances before drinking |
medmcqa | medmcqa_05_01812 | Hearing loss at 65dB, what will be the grade of the deafness? | [
"Mild",
"Moderate",
"Moderately severe",
"Severe"
] | C | The degree of hearing loss is classified by Goodman`s classificationNormal10-15Minimal16-25Mild26-40Moderate41-55Moderately severe56-70Severe71-90Profound> 90Ref: Hazarika; 3rd ed; Pg 72 |
sciq | sciq_01_08871 | What are plastids that contain other pigments? | [
"cytoplasm",
"chloroplasts",
"lucoplasts",
"chromoplasts"
] | D | Chromoplasts are plastids that contain other pigments. These other pigments give flowers and fruits their colors. |
medmcqa | medmcqa_05_04275 | which one of the following is not involved in the invention of ECT | [
"lucio bini",
"ugo cerletti",
"medunna",
"sigmund freud"
] | D | HISTORY * Medunna ====IM injection of camphor to induce seizures * Ugo cerletti and lucio bini==== ECT in a catatonic patient INDICATIONS * DEPRESSION SUICIDAL IDEAS-------------- first choice * CATATONIC SCHIZOPHRENIA * SCHIZOPHRENIA * MANIA * ELECTRODE PLACEMENT * Most commonly used=== bi fronto temporal * More cogni... |
sciq | sciq_01_00012 | What tells you how much of the food you should eat to get the nutrients listed on the label? | [
"regular size",
"longer size",
"serving size",
"scoop size"
] | C | The information listed at the right of the label tells you what to look for. At the top of the label, look for the serving size. The serving size tells you how much of the food you should eat to get the nutrients listed on the label. A cup of food from the label pictured below is a serving. The calories in one serving ... |
medmcqa | medmcqa_05_04546 | CD8 antigen is present on | [
"T helper cells",
"B cells",
"T suppressor cells",
"Macrophages"
] | C | CD4 antigen is present on t helper cells Cd8 antigen on T suppressor cells CD8 cells recognize MHC class I antigens Ref: Textbook of Microbiology Baveja 5th ed Pg 135 |
openbookqa | obqa_02_04410 | A series of small holes that lead to various locations are found in soil where these legless things burrow: | [
"frogs",
"moles",
"earthworms",
"salamanders"
] | C | earthworms create tunnels in soil |
openbookqa | obqa_02_01093 | magnifying glass is used to | [
"make objects appear",
"find better sights",
"increase object size",
"increase seeing potential"
] | D | magnifying glass is used to see small things by making objects appear bigger |
sciq | sciq_01_06575 | What happens to the mass number during a nuclear decay process by positron emission? | [
"remains unchanged",
"it decreases",
"it increases",
"it rises"
] | A | During a nuclear decay process that occurs by positron emission, a proton is converted into a neutron and a positron. The neutron remains in the nucleus, and the positron is expelled. Overall, the atomic number of the parent nucleus increases by one, and the mass number is unchanged. For example, carbon-11 emits a posi... |
medmcqa | medmcqa_05_00244 | Best method for HbA1c estimation is? | [
"Affinity chromatography",
"Ion exchange chromatography",
"Electrophoresis",
"HPLC"
] | D | Ans. (d) HPLCFour basic types of methods are used most commonly to measure HbA1c: immunoassay, ion-exchange high- performance liquid chromatography (HPLC), boronate affinity HPLC, and enzymatic assays. The gold standard is HPLC method |
medmcqa | medmcqa_05_00962 | Toxic megacolon is most commonly associated with | [
"Ulcerative colitis",
"Crohn's disease",
"Whipple's disease",
"Reiter's disease"
] | A | inflammation and inflammatory mediators can damage the muscularis propria and disturb neuromuscular function leading to colonic dilation and toxic megacolon TEXT BOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE.590-591 |
medmcqa | medmcqa_05_00664 | Pepsin is activated by | [
"HCI",
"Enterokinase",
"Uropepsinogen",
"Trypsinogen"
] | A | The pepsin precursors are called pepsinogen and are activated by gastric acid.Pepsinogen 1 is found only in acid-secreting regions, whereas pepsinogen 2 is also found in the pyloric region.Pepsins have a pH optimum 1.6-3.2Pepsin hydrolizes the bonds between aromatic amino acids.(Ref: Ganong&;s Review of medical physiol... |
medmcqa | medmcqa_05_02655 | The most common cause of preventable Hospital Death is- | [
"Acute Pulmonary' Embolism",
"Heart Failure",
"Myocardial infarction",
"Cancer"
] | A | Ans. is 'a' i.e.. Acute Pulmonary Embolismo Acute Pulmonary! Embolism is the most common cause of Preventable Hospital DeathAcute Pulmonary Embolism is the third most common cause of hospital death in the united states after heart failure and cancer.Acute Pulmonary Embolism is the most common cause of preventable hospi... |
medmcqa | medmcqa_05_04626 | Amplifier host in Japanese encephalitis- | [
"Horse",
"Pigs",
"Dogs",
"Monkey"
] | B | Ans. is 'b' i.e., Pigs Japanese encephalitis* JE is caused by flavivirus, a group B arbovirus. It is a zoonotic disease infecting mainly animals and incidentally man.* In south, epidemics have occured in Karnataka, Andhra pradesh, Tamil-Nadu and Kerala. Now Gorakhpur district of U.P. contributes largest number of cases... |
sciq | sciq_01_10873 | What is the measure of water potential? | [
"fluctuations",
"trials",
"megapascals",
"spores"
] | C | Water potential is a measure of the potential energy in water. Plant physiologists are not interested in the energy in any one particular aqueous system, but are very interested in water movement between two systems. In practical terms, therefore, water potential is the difference in potential energy between a given wa... |
sciq | sciq_01_03503 | The monosaccharide glucose is broken down through a series of enzyme-catalyzed reactions known as what? | [
"Digestion",
"photosynthesis",
"Respiration",
"glycolysis"
] | D | The monosaccharide glucose is broken down through a series of enzyme-catalyzed reactions known as glycolysis. |
sciq | sciq_01_07522 | Overpopulation takes place when the number of organisms in an area exceeds what? | [
"biome size",
"consumers",
"carrying capacity",
"predators"
] | C | Overpopulation takes place when the number of organisms exceeds the carrying capacity of the region. What is the carrying capacity of Earth for humans? Are seven billion people the human carrying capacity? Nine billion? We don't know yet. |
sciq | sciq_01_09075 | What are scientists able to determine about stars using emission and absorption spectra? | [
"shape",
"composition",
"size",
"distance"
] | B | Absorption of light by a hydrogen atom. (a) When a hydrogen atom absorbs a photon of light, an electron is excited to an orbit that has a higher energy and larger value of n. (b) Images of the emission and absorption spectra of hydrogen are shown here. Emission and absorption spectra form the basis of spectroscopy, whi... |
math_qa | mathqa_03_00379 | in what time will a train 90 meters long cross an electric pole , if its speed is 124 km / hr | [
"5 seconds",
"4.5 seconds",
"3 seconds",
"2.6 seconds"
] | D | "explanation : first convert speed into m / sec speed = 124 * ( 5 / 18 ) = 34 m / sec time = distance / speed = 90 / 34 = 2.6 seconds option d" |
math_qa | mathqa_03_00138 | a confectioner decides to sell all of his pastry due to the coming holiday . his pastry goods are equally divided among a group of 30 regular customers . if only 49 customers come to the bakery , each one will receive 6 less pastry goods . how much pastry does the confectioner needs to sell ? | [
"450 .",
"412 .",
"432 .",
"502 ."
] | A | pastry is divided in 30 customers equally . so , total number of pastry must be a multiple of 30 only option a satisfies the condition , and hence is the answer |
medmcqa | medmcqa_05_00963 | Which of the following is used to represent continuous (quantitative) data ? | [
"Bar diagram",
"Pie cha",
"Histogram",
"Map diagram"
] | C | Ans. is `c' i.e., Histogram |
medmcqa | medmcqa_05_00818 | Amount of volumetric polymerization shrinkage seen in composites during curing is: | [
"0.5-2%",
"1.7-5.7%",
"5.2-9.8%",
"12.8-17.76%"
] | B | Linear shrinkage is about 0.2 to 2%.
Volumetric shrinkage is 1.7-5.7%.
Shrinkage is seen towards the centre in self cure materials and towards the light source in light cure materials.
Reference : Nisha Garg 2ND ed Pg: 310 |
openbookqa | obqa_02_00974 | Which of these is lacks molecules? | [
"a speech",
"a dog",
"a book",
"a grape"
] | A | matter is made of molecules |
sciq | sciq_01_02134 | Deposition refers to when a gas changes to what state? | [
"liquid",
"plasma",
"half liquid half gas",
"solid"
] | D | Deposition is the change of state from a gas to a solid. |
sciq | sciq_01_09442 | What is most of earth's surface covered with? | [
"sand",
"water",
"silicon",
"insects"
] | B | The outer planets in the solar system are giant balls of swirling gas. Earth and the other inner planets are relatively small, dense, and rocky. Most of Earth’s surface is covered with water. As far as we know, Earth is also the only planet that has liquid water. Earth's atmosphere has oxygen. The water and oxygen are ... |
sciq | sciq_01_09093 | Solids can be divided into amorphous solids and which other group? | [
"distinct solids",
"acrystalline solids",
"morphous solids",
"crystalline solids"
] | D | Solids can be divided into amorphous solids and crystalline solids. |
sciq | sciq_01_06279 | The root system is usually anchored by one main root developed from what? | [
"embryonic radicle",
"organisms radicle",
"nuclei radicle",
"sperm radicle"
] | A | Eudicots Eudicots, or true dicots, are characterized by the presence of two cotyledons. Veins form a network in leaves. Flower parts come in four, five, or many whorls. Vascular tissue forms a ring in the stem. (In monocots, vascular tissue is scattered in the stem. ) Eudicots can be herbaceous (like dandelions or viol... |
sciq | sciq_01_06133 | The body cells cannot use insulin properly in which type of diabetes? | [
"type 4 diabetes",
"type 3 diabates",
"type 2 diabetes",
"type 1 diabetes"
] | C | In type 2 diabetes, the body cells cannot use insulin properly. |
sciq | sciq_01_07808 | What is it called when large objects are broken down into smaller pieces? | [
"metamorphosis",
"evolution",
"weathering",
"decay"
] | C | |
openbookqa | obqa_02_00949 | It would be unexpected to see a mouse with | [
"eggs",
"ears",
"teeth",
"a tail"
] | A | a mouse gives birth to live young |
openbookqa | obqa_02_00211 | Which of these items must be combined with a river to produce power? | [
"chocolat",
"ice",
"snow",
"concrete"
] | D | hydropower requires damming a river |
sciq | sciq_01_07208 | What is the study of how living things interact with each other and with their environment? | [
"geology",
"ecology",
"scientology",
"biology"
] | B | Ecology is the study of how living things interact with each other and with their environment. |
sciq | sciq_01_03004 | What type of cells have chloroplasts? | [
"simple cells",
"plant cells",
"animal cells",
"human cells"
] | B | Plants are multicellular eukaryotes with cell walls made of cellulose. Plant cells also have chloroplasts. In addition, plants have specialized reproductive organs. These are structures that produce reproductive cells. Male reproductive organs produce sperm, and female reproductive organs produce eggs. Male and female ... |
ARC-Easy | arc_04_01509 | Freda always hangs her wet swimsuit outdoors after getting out of the swimming pool. Which of the following is least likely to affect the rate at which Freda's swimsuit dries? | [
"the heat of the Sun",
"the speed of the wind",
"the temperature of the water in the pool",
"the amount of water vapor in the air"
] | C | null |
sciq | sciq_01_03047 | The smallest part of an element that maintains the identity of that element is called what? | [
"neutron",
"lattice",
"atom",
"nucleus"
] | C | Note Sometimes the word pure is added to substance, but this is not absolutely necessary. By definition, any single substance is pure. The smallest part of an element that maintains the identity of that element is called an atom. Atoms are extremely tiny; to make a line 1 inch long, you would need 217 million iron atom... |
openbookqa | obqa_02_02101 | A bird that weighs twenty pounds will fly easier than a bird that weighs | [
"twenty four pounds",
"ten pounds",
"seventeen pounds",
"twelve pounds"
] | A | as the weight of an animal decreases , that animal will fly more easily |
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