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 ⌀ |
|---|---|---|---|---|---|
openbookqa | obqa_02_02842 | Who is likeliest to overuse hot water? | [
"a rabbit",
"a squirrel",
"a bird",
"the Johnson family"
] | D | a shower is a source of hot water for washing |
sciq | sciq_01_09828 | Resistance to pesticides in a population of insects is an example of what? | [
"redistributions",
"macroevolution",
"microevolution",
"extinction"
] | C | Pesticides were designed to kill bothersome insects. However, sometimes these pesticides will stop working. A pesticide that has worked in the past may no longer kill a particular type of insect. This is due to the development of resistance in the population of insects. The development of resistance to pesticides is on... |
math_qa | mathqa_03_01392 | the average marks of 10 students in a class is 100 . but a student mark is wrongly noted as 50 instead of 10 then find the correct average marks ? | [
"a",
"b",
"c",
"d"
] | C | "correct avg marks = 100 + ( 10 - 50 ) / 10 avg = 100 - 4 = 96 answer is c" |
math_qa | mathqa_03_03141 | the average of 13 numbers is 59 . average of the first 7 of them is 57 and that of the last 7 is 61 . find the 8 th number ? | [
"59",
"83",
"45",
"53"
] | A | "sum of all the 13 numbers = 13 * 59 = 767 sum of the first 7 of them = 7 * 57 = 399 sum of the last 7 of them = 7 * 61 = 427 so , the 8 th number = 427 + 399 - 767 = 59 . answer : a" |
sciq | sciq_01_08309 | What are the three types of mixtures? | [
"solutions, suspensions, colloids",
"absorbing , suspensions , colloids",
"cosmic , suspensions , colloids",
"Powders, Gels, Smooth"
] | A | Mixtures have different properties depending on the size of their particles. Three types of mixtures based on particle size are solutions, suspensions, and colloids, all of which are described in Table below . You can watch videos about the three types of mixtures at these URLs:. |
math_qa | mathqa_03_03626 | 2 cow ’ s and 8 goats are brought for rs . 1400 . if the average price of a goat be rs . 60 . what is the average price of a cow . | [
"rs . 480",
"rs . 960",
"rs . 960",
"rs . 460"
] | D | explanation : average price of a goat = rs . 60 total price of 8 goats = 8 * 60 = rs . 480 but total price of 2 cows and 8 goats = rs . 1400 total price of 2 cows is = 1400 - 480 = 980 average price of a cow = 980 / 2 = rs . 460 answer : option d |
openbookqa | obqa_02_04122 | Where does August take place during the winter? | [
"China",
"Zimbabwe",
"Canada",
"Iceland"
] | B | August is during the winter in the southern hemisphere |
sciq | sciq_01_07376 | What do we call the orderly sequence of events in the life of a cell from the division of a single parent cell to produce two new daughter cells, to the subsequent division of those daughter cells? | [
"cell death",
"circadian cycle",
"cell cycle",
"cell replication"
] | C | 6.1 | The Genome By the end of this section, you will be able to: • Describe the prokaryotic and eukaryotic genome • Distinguish between chromosomes, genes, and traits The continuity of life from one cell to another has its foundation in the reproduction of cells by way of the cell cycle. The cell cycle is an orderly s... |
sciq | sciq_01_06353 | What reaction means, literally, “splitting with water"? | [
"hydrolysis",
"fission",
"aqueous",
"hydroxis"
] | A | Esters are neutral compounds, unlike the acids from which they are formed. In typical reactions, the alkoxy (OR′) group of an ester is replaced by another group. One such reaction is hydrolysis, literally “splitting with water. ” The hydrolysis of esters is catalyzed by either an acid or a base. Acidic hydrolysis is si... |
medmcqa | medmcqa_05_03000 | Urogenital diaphragm is not formed by | [
"Perineal membrane",
"Transverse peronei",
"Sphincter urethra",
"Inferior fascia of urogenital diaphragm"
] | C | Urogenital diaphragm consists of :?i) Two muscles :- Sphincter urethrae and deep transverse perinei (also called transverse perinei profundus).ii) Two fascia :- Inferior fasica of urogenital diaphragm (perineal membrane) and superior fascia of urogenital diaphragm. |
openbookqa | obqa_02_02878 | if a cloud deposits its contents to the earth, which of these may be true? | [
"the moon will shine brighter",
"the open fair will be a success",
"the river will dry up",
"the farmers would rejoice"
] | D | rain is a source of water |
sciq | sciq_01_07327 | Natural selection can only take place if there is variation, or differences, among individuals in a population. importantly, these differences must have some genetic basis; otherwise, the selection will not lead to change in this? | [
"mass extinction",
"fertilization",
"spontaneous mutation",
"next generation"
] | D | Processes and Patterns of Evolution Natural selection can only take place if there is variation, or differences, among individuals in a population. Importantly, these differences must have some genetic basis; otherwise, the selection will not lead to change in the next generation. This is critical because variation amo... |
sciq | sciq_01_03208 | What are the two main parts of the human nervous system? | [
"lungs, brain",
"brain, spinal cord",
"lungs, spinal cord",
"brain, heart"
] | B | |
medmcqa | medmcqa_05_02685 | The best available treatment for poal hypeensive gastropathy is: | [
"Beta blocker",
"TIPS",
"Surgical poacaval shunt",
"Liver transplantation"
] | D | Poal hypeensive gastropathy (PHG) is the ectatic blood vessels in the proximal gastric body and cardia causing oozing of the blood. Less severe grades of PHG appear as a mosaic or snakeskin pattern and are not associated with bleeding. Severe PHG with diffuse bleeding is treated by b-adrenergic receptor blockers or pos... |
ARC-Easy | arc_04_00853 | Which is the best example of a pure substance? | [
"peanuts",
"milk",
"gold",
"air"
] | C | null |
ARC-Easy | arc_04_01044 | Which mixture can be easily separated by adding water and pouring it through a coffee filter? | [
"sugar and salt",
"salt and sand",
"sugar and baking soda",
"iron filings and sand"
] | B | null |
ARC-Easy | arc_04_01239 | In which way are evaporation and condensation similar? | [
"Both cause decreases in air temperature.",
"Both cause increases in air temperature.",
"Both are caused by the warming of the atmosphere.",
"Both are caused by changes in heat energy."
] | D | null |
ARC-Easy | arc_04_01048 | Which human activity most often has a harmful effect on the environment? | [
"breathing",
"growing",
"planting",
"polluting"
] | D | null |
medmcqa | medmcqa_05_03527 | Structure over bicipital aponeurosis in cubital fossa- | [
"Ulnar nerve",
"Radial nerve",
"Brachial artery",
"Veins"
] | D | Ans. is 'd' i.e., Veins |
openbookqa | obqa_02_04891 | Which is taught? | [
"walking upright",
"red hair",
"avoiding unpleasant smells",
"mopping the floor"
] | D | doing chores is a learned characteristic |
openbookqa | obqa_02_03377 | Sunlight is a source of light from what? | [
"local star",
"moonbeam",
"lamps",
"lightbulbs"
] | A | when the season changes , the amount of daylight will change |
sciq | sciq_01_03306 | Gene duplications that are able to persist over many generations without causing too much harm to an organism or species can lead to what? | [
"mutations",
"parasites",
"permutations",
"characteristics"
] | A | |
ARC-Easy | arc_04_01610 | A large quantity of heavy rain falling in a short time period will most likely | [
"reduce the amount of nutrients in the soil.",
"increase the number of minerals in the soil.",
"reduce oxygen levels in the soil.",
"increase the temperature of the soil."
] | A | null |
sciq | sciq_01_04838 | In what unit is heat measured in? | [
"joules",
"amperes",
"thermals",
"velocities"
] | A | The heat that is either absorbed or released is measured in joules. The mass is measured in grams. The change in temperature is given by , where is the final temperature and is the initial temperature. |
math_qa | mathqa_03_02479 | a company that ships boxes to a total of 12 distribution centers uses color coding to identify each center . if either a single color or a pair of two different colors is chosen to represent each center and if each center is uniquely represented by that choice of one or two colors , what is the minimum number of colors... | [
"4",
"5",
"6",
"12"
] | B | let # of colors needed be nn , then it must be true that n + c 2 n ≥ 12 n + cn 2 - # of ways to choose the pair of different colors from nn colors when order does n ' t matter ) - - > n + n ( n − 1 ) / 2 ≥ 12 - - > 2 n + n ( n − 1 ) ≥ 24 - - > n is an integer ( it represents # of colors ) n ≥ 5 - - > nmin = 5 answer : ... |
medmcqa | medmcqa_05_04307 | Recent hepatitis infection is best diagnosed by: | [
"HBsAg",
"IgG Anti HBe abs",
"Anti HBsAg abs",
"IgM anti HBc abs"
] | D | Ans. is 'd' i.e., IgM anti HBc abs(Ref: Ananthanarayan, 9th/e, p. 548 and 8th/e, p. 544)* HBsAg is the first marker to be elevated and Anti HBc.- IgM appears within 1 - 2 weeks after the appearance of HBsAg and lasts for 3 - 6 months.* Diagnostic tests in recent hepatitis B infection are HBsAg detection and HBc.- IgM a... |
sciq | sciq_01_01668 | What is the most common cause of lung cancer? | [
"tobacco smoke exposure",
"tree smoke exposure",
"restaurant smoke exposure",
"coal smoke exposure"
] | A | The new cells gradually move up through the epidermis toward the surface of the body. As they move, they produce the tough, fibrous protein called keratin. |
medmcqa | medmcqa_05_00199 | Elschnigs pearls are seen in? | [
"After cataract",
"Wilson's Disease",
"Diabetes mellitus",
"Myotonic Dystrophy"
] | A | Ans. is 'a' i.e., After cataract After cataract (Secondary cataract or posterior capsular opacification)o Posterior capsular opacification (PCO) is seen after ECCE. Opacification of the posterior capsule is caused by postoperative proliferation of cells in the capsular bag and is the most common complication of ECCE.o ... |
sciq | sciq_01_06532 | What are the areas between cells that either allow or prevent the movement of materials called? | [
"corners",
"junctions",
"sections",
"receptors"
] | B | Junctions are areas between cells that either allow or prevent the movement of materials. Junctions are usually composed of numerous proteins, forming a large molecular complex. Gap junctions, desmosomes and tight junctions are three examples of junctions. |
sciq | sciq_01_07481 | Each what is made of two identical sister chromatids? | [
"genome",
"chromosome",
"helix",
"gene"
] | B | Chromosomes, like those shown here, must form prior to cell division, to ensure that each daughter cell receives a complete set of genetic material. Each chromosome is made of two identical sister chromatids. Each chromatid is 1/2 of the "X. " Essentially, each daughter cell receives half of each "X-shaped" chromosome. |
medmcqa | medmcqa_05_01292 | Hypersensitivity angiitis is seen in - | [
"SLE",
"Polyarteritis nodosa",
"Henoch schonlein purpura",
"Buerger's disease"
] | C | HSP is not hypersensitivity angiitis. But the best answer amongst the given options is HSP because it is the most important differential of hypersensitivity angiitis.
Hypersensitivity angiitis
Hypersensitivity vasculitis or hypersensitivity angiitis or leukocytoclastic angiitis is a small vessel vasculitis due to hy... |
openbookqa | obqa_02_01454 | Tidal motion can be used to | [
"activate turbines on shore",
"rock you to sleep",
"smash waves on rocks",
"light a dark pathway"
] | A | tidal energy can be used to produce electricity |
math_qa | mathqa_03_04322 | two students appeared at an examination . one of them secured 9 marks more than the other and his marks was 56 % of the sum of their marks . the marks obtained by them are : | [
"39,30",
"41,32",
"42,33",
"43,34"
] | C | let their marks be ( x + 9 ) and x . then x + 9 = 56 / 100 ( x + 9 + x ) 3 x = 99 x = 33 their marks 42 and 33 answer c |
ARC-Easy | arc_04_01816 | Genes are located on chromosomes which are composed of | [
"DNA.",
"RNA.",
"ATP.",
"ADP."
] | A | null |
sciq | sciq_01_05899 | In autosomal dominant inheritance only one "affected" what is necessary to result in an "affected" phenotype? | [
"cells",
"allele",
"trait",
"molecule"
] | B | Autosomal Dominant Inheritance. Only one “affected” allele is necessary to result in the “affected” phenotype. For a genetic disease inherited in this manner, only one mutant allele is necessary to result in the phenotype. Achondroplasia (discussed later) is an example of a dominant disorder. Both homozygous and hetero... |
sciq | sciq_01_00596 | In mammals, four specialized types of what serve to cut, tear, and grind food? | [
"teeth",
"plates",
"spines",
"scales"
] | A | Mammalian teeth are also important for digestion. The four types of teeth are specialized for different feeding functions, as shown in Figure below . Together, the four types of teeth can cut, tear, and grind food. This makes food easier and quicker to digest. |
medmcqa | medmcqa_05_02673 | Most common radiosensitive ovarian tumour - | [
"Dysgerminoma",
"Granulosa cell tumour",
"Teratoma",
"Theca cell tumour"
] | A | Dysgerminomas are extremely radiosensitive, and even those that have extended beyond the ovary can generally be controlled by radiotherapy. |
math_qa | mathqa_03_02455 | in a survey of parents , exactly 7 / 8 of the mothers and 3 / 4 of the fathers held full - time jobs . if 60 percent of the parents surveyed were women , what percent of the parents did not hold full - time jobs ? | [
"25.5 %",
"21.5 %",
"17.5 %",
"13.5 %"
] | C | "fathers without full - time jobs are 1 / 4 * 2 / 5 = 2 / 20 of all the parents surveyed . mothers without full - time jobs are 1 / 8 * 3 / 5 = 3 / 40 of all the parents surveyed . the percent of parents without full - time jobs is 2 / 20 + 3 / 40 = 7 / 40 = 17.5 % the answer is c ." |
medmcqa | medmcqa_05_01543 | Most common tumour of the posterior cranial fossa is - | [
"Glioma",
"Medulloblastoma",
"Meningioma",
"Oligodendroglioma"
] | A | Gliomas account for 60% of brain tumours, with the aggressive glioblastoma multiforme (WHO grade IV) the most common glioma, followed by meningiomas (20%) and pituitary tumours (10%). Although the lower-grade gliomas (I and II) may be very indolent, with prognosis measured in terms of many years, these may transform to... |
openbookqa | obqa_02_02880 | Which beverage can you thank Louis Pasteur for making possible? | [
"iced tea",
"water",
"ginger ale",
"strawberry milk"
] | D | Louis Pasteur invented pasteurization |
medmcqa | medmcqa_05_04665 | Epulis is? | [
"Benign",
"Malignant",
"Reactive process",
"Precancerous"
] | A | ANSWER: (A) BenignREF: Textbook of Surgery by Roshan Lai Gupta 2nd ed Page 471EPULISEpulis represents a family of benign tumors of gingiva. The classification includes:Granulomatous epulis, pyogenic granulomaGiant cell epulis (Myeloid epulis)Fibrous epulis (Most common) |
sciq | sciq_01_00361 | What is the term for longer chains of monosaccharides ? | [
"proteins",
"polysaccharides",
"oligosaccharides",
"hydrocarbons"
] | B | Longer chains of monosaccharides are referred to as polysaccharides . Starch, glycogen, and cellulose are three extremely common polysaccharides made entirely out of glucose molecules. The differences lie in the types of bonds between the glucose units and the extent of branching in the carbohydrate chain. Starch is fo... |
ARC-Easy | arc_04_00599 | In the human body, what part of the central nervous system connects with other nerves outside of the central nervous system? | [
"dendrite",
"cerebrum",
"cerebellum",
"spinal cord"
] | D | null |
sciq | sciq_01_11661 | What occurs when nature reclaims areas formerly occupied by life? | [
"typical succession",
"primary succession",
"tertiary succession",
"secondary succession"
] | D | Forest and Kim Starr (Flickr:Starr Environmental). Secondary succession occurs when nature reclaims areas formerly occupied by life . CC BY 2.0. |
math_qa | mathqa_03_00039 | the speed at which a man can row a boat in still water is 6 km / hr . if he rows downstream , where the speed of current is 3 km / hr , how many seconds will he take to cover 80 meters ? | [
"28",
"32",
"36",
"40"
] | B | "the speed of the boat downstream = 6 + 3 = 9 km / hr 9 km / hr * 5 / 18 = 2.5 m / s the time taken to cover 80 meters = 80 / 2.5 = 32 seconds . the answer is b ." |
medmcqa | medmcqa_05_01258 | Best predictor for coronary aery disease - | [
"HDL",
"LDL",
"VLDL",
"Chylomicron"
] | B | LDL is the best indicater of the risk for CAD.high level of LDL is the indicater |
medmcqa | medmcqa_05_01317 | You are examining a direct inguinal hernia in a 45 year old man. On examination the swelling is doughy in consistency and dull on percussion. The swelling is reducible but reduction is difficult towards the end. What is your diagnosis? | [
"Cystocele",
"Enterocele",
"Epiplocele",
"Hydrocele"
] | C | You are already told that it is a case of direct inguinal hernia. So hydrocele is out. In case cystocele the swelling gets enlarged on attempt to micturate and the swelling reduces in size following micturition. Another feature is that pressure on the swelling produces the desire to micturate. Enterocele is elastic in ... |
math_qa | mathqa_03_00616 | find the cost of fencing around a circular field of diameter 18 m at the rate of rs . 2.50 a meter ? | [
"138",
"132",
"150",
"140"
] | D | "2 * 22 / 7 * 9 = 56 56 * 2 1 / 2 = rs . 140 answer : d" |
medmcqa | medmcqa_05_00101 | Uremia is not associated with hypeension in which of the following situations? | [
"Renal polyaeritis nodosa",
"Narrowing of the renal aery",
"Renal amyloidosis",
"Hyperplastic aeriolar nephrosclerosis"
] | C | Option A: Polyaeritis Nodosa- Renal Aery aneurysm | Decrease Blood supply to kidney | | GFR | Stimulate RAAS: | Renin (High Renin HTN) Option B: Narrow Renal aery- | Blood supply to kidney | | GFR- stimulate RAAS= | Renal HTN Option C: Renal Amyloidosis- B/L Enlarged Kidneys & present With Nephrotic range proteinuria w... |
sciq | sciq_01_08405 | What provides the identities of the reactants and products involved in the chemical change? | [
"atomic numbers",
"electron shells",
"genome sequence",
"chemical formulas"
] | D | A balanced chemical equation provides a great deal of information in a very succinct format. Chemical formulas provide the identities of the reactants and products involved in the chemical change, allowing classification of the reaction. Coefficients provide the relative numbers of these chemical species, allowing a qu... |
openbookqa | obqa_02_00036 | Heat and moisture in the ocean is a good recipe for | [
"a violent storm",
"violent sea animals",
"condensation",
"inland storms"
] | A | an ocean is a source of heat and moisture for a hurricane |
sciq | sciq_01_05903 | What part of the eye controls the size of the pupil? | [
"debis",
"avis",
"iris",
"lens"
] | C | The iris is the colored part of the eye. It controls the size of the pupil. |
sciq | sciq_01_10702 | What sulfur compound occurs in volcanic gases and in the atmosphere near industrial plants? | [
"nitrogen sulfide",
"sulfur hydroxide",
"carbon sulfide",
"sulfur dioxide"
] | D | Sulfur Oxygen Compounds The two common oxides of sulfur are sulfur dioxide, SO2, and sulfur trioxide, SO3. The odor of burning sulfur comes from sulfur dioxide. Sulfur dioxide, shown in Figure 18.47, occurs in volcanic gases and in the atmosphere near industrial plants that burn fuel containing sulfur compounds. |
medmcqa | medmcqa_05_00584 | A 4-year-old male child presents with fever, anemia and azotemia after an episode of dysentery 9 days earlier. The commonest organism responsible for this condition is? | [
"Meningococcus",
"E.coli",
"E. histolytica",
"Staphylococcus"
] | B | b. E. coli(Ref: Nelson's 20/e p 2540-2543, Ghai 8/e p 487-491)The given condition is most likely HUS for which the most common organism is E. coli, among the given options |
openbookqa | obqa_02_03691 | a seismograph is a kind of tool for measuring the size of | [
"trees",
"terra plate displacements",
"planets",
"poems"
] | B | a seismograph is a kind of tool for measuring the size of an earthquake |
ARC-Easy | arc_04_00787 | What is the MAJOR role of the Sun in the water cycle? | [
"It causes evaporation.",
"It allows plants to grow.",
"It provides heat for organisms.",
"It transmits light."
] | A | null |
math_qa | mathqa_03_02256 | a and b can do a piece of work in 60 days and 60 days respectively . they work together for 10 days and b leaves . in how many days the whole work is completed ? | [
"30 days",
"35 days",
"40 days",
"45 days"
] | A | "explanation : ( a + b ) ’ s 10 days work = 10 [ 1 / 60 + 1 / 60 ] = 10 [ 1 + 1 / 60 ] = 1 / 3 a complete remaining work in 1 / 3 * 60 = 20 total work = 10 + 20 = 30 days answer : option a" |
sciq | sciq_01_05582 | Where do cells come from? | [
"preexisting cells",
"sexual reproduction",
"mutations",
"nuclear fission"
] | A | No matter what the cell, all cells come from preexisting cells through the process of cell division. This is one of the core concepts of the Cell Theory. The cell may be the simplest bacterium or a complex muscle, bone, or blood cell. The cell may comprise the whole organism, or be just one cell of trillions. But whate... |
medmcqa | medmcqa_05_04255 | Most common site of bleeding diveicula | [
"Sigmoid colon",
"Descending colon",
"Rectum",
"Ascending colon"
] | A | Diveicula most commonly affect the sigmoid colon and are confined to sigmoid colon in approximately 50% of patients with diveiculosis. Segment of sigoid colon is having smallest luminal diameter, and so colonic pressure as high as 90mm Hg can be generated. Reference : Sabiston, Textbook of Suregery, 19th Edition, page ... |
sciq | sciq_01_04567 | What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia? | [
"fungus",
"mold",
"yeast",
"mushroom"
] | D | |
sciq | sciq_01_05045 | The release of mature eggs that occurs at the midpoint of each cycle is called? | [
"ovulation",
"fertilization",
"induction",
"semination"
] | A | |
sciq | sciq_01_07237 | Molds growing on foods are a common type of what organisms that play very important roles in almost every terrestrial ecosystem on earth? | [
"pollen",
"mildew",
"fungi",
"yeast"
] | C | Do you see the organisms growing on the bread in the Figure below ? They belong to the Kingdom Fungi . Molds growing on foods are some of the most common fungi in our everyday lives. These organisms may seem useless, gross, and costly. But fungi play very important roles in almost every terrestrial ecosystem on Earth. |
sciq | sciq_01_11352 | The moon has a crust, mantle, and a? | [
"ice cap",
"magnetic field",
"core",
"mountain range"
] | C | The Moon has a crust, mantle, and core. |
ARC-Easy | arc_04_01103 | Which invention made mass production possible? | [
"the assembly line",
"the airplane",
"the personal computer",
"the telephone"
] | A | null |
sciq | sciq_01_09716 | Where are the olfactory organs of snails located? | [
"their feet",
"their shell",
"their anus",
"their tentacles"
] | D | Gastropods include snails and slugs. They use their foot to crawl. They have a well-developed head. There are many thousands of species of sea snails and sea slugs, as well as freshwater snails, freshwater limpets, land snails and land slugs. Gastropods live in many diverse habitats, from gardens to deserts and mountai... |
openbookqa | obqa_02_02547 | Loss of resources has a negative impact on what in an area? | [
"weather",
"sunlight",
"critters",
"organism diagrams"
] | C | loss of resources has a negative impact on the organisms in an area |
medmcqa | medmcqa_05_04870 | A 20yr old patient with a recent history of swimming in fresh water developed headache, fever, vomiting, seizures.CSF examination revealed motile amoeba which is the probable causative agent? | [
"Naegleria",
"Acanthamoeba",
"Balamuthia",
"Entamoeba histolytica"
] | A | Naegleria fowleri produces primary amoebic meningoencephalitis which typically has headache with history of swimming. The ameba is commonly found in warm freshwater (e.g. lakes, rivers, and hot springs) and soil. Naegleria fowleri usually infects people when contaminated water enters the body through the nose Ref: D.R.... |
sciq | sciq_01_05242 | What is the most important characteristic of a homogeneous mixture? | [
"nonreactive",
"uniform composition throughout",
"very reactive",
"high density"
] | B | A homogeneous mixture is a mixture in which the composition is uniform throughout the mixture. The salt water described above is homogeneous because the dissolved salt is evenly distributed throughout the entire salt water sample. Often it is easy to confuse a homogeneous mixture with a pure substance because they are ... |
ARC-Easy | arc_04_01988 | Which seismic wave phenomenon, found at structural boundaries, allows scientists to interpret the interior structure of Earth? | [
"refraction of waves",
"generation of new waves",
"transformation of transverse waves into longitudinal waves",
"transformation of mechanical waves into electromagnetic waves"
] | A | null |
math_qa | mathqa_03_02638 | the average monthly income of p and q is rs . 2050 . the average monthly income of q and r is rs . 5250 and the average monthly income of p and r is rs . 6200 . the monthly income of p is : | [
"3050",
"3000",
"4000",
"4050"
] | B | "explanation : let p , q and r represent their respective monthly incomes . then , we have : p + q = ( 2050 x 2 ) = 4100 . . . . ( i ) q + r = ( 5250 x 2 ) = 10500 . . . . ( ii ) p + r = ( 6200 x 2 ) = 12400 . . . . ( iii ) adding ( i ) , ( ii ) and ( iii ) , we get : 2 ( p + q + r ) = 27000 or p + q + r = 13500 . . . ... |
openbookqa | obqa_02_01064 | When a plant is water the liquid goes from the soil area to where it is needed using what system? | [
"sprinkler",
"xylem",
"flowering pistols",
"leaves"
] | B | xylem carries water from the roots of a plant to the leaves of a plant |
math_qa | mathqa_03_03347 | the principal that amounts to rs . 3913 in 3 years at 6 1 / 4 % per annum c . i . compounded annually , is ? | [
"s . 3096",
"s . 4076",
"s . 4085",
"s . 4096"
] | A | "principal = [ 4913 / ( 1 + 25 / ( 4 * 100 ) ) 3 ] = 3913 * 16 / 17 * 16 / 17 * 16 / 17 = rs . 3096 . answer : a" |
sciq | sciq_01_11384 | Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population? | [
"spontaneous mutation",
"gene flow",
"Allopatric speciation",
"mass extinction"
] | B | 11.2 Mechanisms of Evolution There are four factors that can change the allele frequencies of a population. Natural selection works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities. Mutations introduce new alleles into a population. Genetic dri... |
sciq | sciq_01_07493 | What layered form of carbon is used as a lubricant and in pencils? | [
"carbonite",
"copper",
"lead",
"graphite"
] | D | Graphite is a form of carbon in which carbon atoms are arranged in layers. Bonds are strong between carbon atoms within each layer but relatively weak between atoms in different layers. The weak bonds between layers allow the layers to slide over one another. This makes graphite relatively soft and slippery. It is used... |
openbookqa | obqa_02_04778 | A thing which has something firmly raked over it may | [
"lose a pebble",
"be built up",
"lose a portion",
"grow larger"
] | C | scraping an object may cause small particles to break off of that object |
sciq | sciq_01_01372 | The enormous number of species is due to the tremendous variety of what? | [
"measurements",
"tissues",
"environments",
"sounds"
] | C | The enormous number of species is due to the tremendous variety of environments in which they can live. |
openbookqa | obqa_02_01657 | A lake is unsafe for swimming because it is a bit below some farmlands that use | [
"pesticides",
"water",
"soil",
"solar energy"
] | A | runoff contains pesticides from cropland |
ARC-Challenge | arc_04_03204 | As the molecules of water begin to slow down they go into a phase where they are no longer able to easily move past each other. The water is passing through a phase change and will | [
"remain a mixture.",
"remain a compound.",
"become an element.",
"become a compound."
] | B | null |
sciq | sciq_01_04408 | What are biochemical compounds that living things use to store energy and make cell membranes? | [
"proteins",
"nucleic acid",
"carbohydrates",
"lipids"
] | D | Lipids are biochemical compounds that living things use to store energy and make cell membranes. Types of lipids include fats, oils, and phospholipids. |
sciq | sciq_01_08893 | What travels at the interface between the sea surface and the atmosphere? | [
"ocean waves",
"ocean currents",
"ocean breeze",
"ocean tides"
] | A | Yes, in some ways. Ocean waves travel at the interface between the sea surface and the atmosphere. They have all the features that all waves have. Some seismic waves also travel at an interface. Which ones?. |
sciq | sciq_01_08214 | Yeasts are single-celled fungi. about 1,000 species are recognized, but the most common species is saccharomyces cerevisiae, which is used in this? | [
"potatoes making",
"cookie making",
"bread making",
"cake making"
] | C | Opening Essay Although yeast has been used for thousands of years, its true nature has been known only for the last two centuries. Yeasts are single-celled fungi. About 1,000 species are recognized, but the most common species is Saccharomyces cerevisiae, which is used in bread making. Other species are used for the fe... |
sciq | sciq_01_07160 | The two parameters used to measure changes in ecosystems are resistance and what related factor? | [
"acceptability",
"resilience",
"variation",
"strength"
] | B | Ecosystems are complex with many interacting parts. They are routinely exposed to various disturbances, or changes in the environment that effect their compositions: yearly variations in rainfall and temperature and the slower processes of plant growth, which may take several years. Many of these disturbances are a res... |
sciq | sciq_01_02387 | What element is essential for amino acid and nucleic acid production? | [
"nitrogen",
"hydrogen",
"oxygen",
"carbon"
] | A | |
sciq | sciq_01_04249 | Competition within a species is called what? | [
"reproducible competition",
"intraspecific competition",
"internal competition",
"species competion"
] | B | Competition within a species is called intraspecific competition. It leads to natural selection within the species, so the species becomes better adapted to its environment. |
sciq | sciq_01_09056 | The food particles are caught by the collar of the choanocyte and brought into the cell by what process? | [
"phototropism",
"cellular respiration",
"hippocampus",
"phagocytosis"
] | D | Chapter 15 1 Figure 15.3 B 3 Figure 15.33 A 4 B 6 D 8 B 10 A 12 B 14 C 16 C 18 A 20 Specialized tissues allow more efficient functioning because differentiated tissue types can perform unique functions and work together in tandem to allow the animal to perform more functions. For example, specialized muscle tissue allo... |
sciq | sciq_01_03350 | What is the protein that carries iron that binds with oxygen in red blood cells? | [
"hemoglobin",
"potassium",
"insulin",
"keratin"
] | A | The trillions of red blood cells in blood plasma carry oxygen. Red blood cells contain hemoglobin , a protein with iron that binds with oxygen. Red blood cells are made in the marrow of long bones, rib bones, the skull, and the vertebrae. These cells survive for about 120 days, and then they are destroyed. Mature red b... |
math_qa | mathqa_03_04274 | how many positive integers less than 500 can be formed using the numbers 1 , 2 , 3 and 5 for the digits ? | [
"48",
"52",
"66",
"68"
] | D | "notice that we can find the number of 2 and 3 digit numbers by just assuming the first digit can also be zero : 0 1 1 1 2 2 2 3 3 3 5 5 number of possibilities = 4 * 4 * 4 = 64 . then , just add up the number of 1 digits numbers = 4 , so total is 64 + 4 = 68 . answer : d" |
sciq | sciq_01_00409 | What type of bonds do alkanes only contain? | [
"carbon-carbon single bonds",
"carbon-hydrogen bonds",
"hydrogen-carbon bonds",
"hydrogen bonds"
] | A | Alkanes contain only carbon-carbon single bonds. |
sciq | sciq_01_02749 | What are the tiny, tube-shaped structures found inside a kidney called? | [
"dendrites",
"nephrons",
"neurons",
"jejunum"
] | B | There are many blood vessels in the kidneys ( Figure above ). The kidneys remove urea and other wastes from the blood through tiny filtering units called nephrons. Nephrons ( Figure below ) are tiny, tube-shaped structures found inside each kidney. Each kidney has up to a million nephrons. Each nephron collects a small... |
sciq | sciq_01_08824 | What is continuously changing within a circuit in an analog signal? | [
"frequency",
"voltage",
"amplitude",
"energy"
] | B | An analog signal consists of continuously changing voltage in a circuit. For example, microphones encode sounds as analog signals. |
sciq | sciq_01_00456 | In what country can some of the largest natural crystals be found? | [
"spain",
"canada",
"germany",
"mexico"
] | D | Some of the largest, and most beautiful, natural crystals can be found in the Naica mine, in Mexico. These gypsum crystals were formed over thousands of years. Groundwater that is rich in calcium and sulfur flowed through an underground cave. Check it out:. |
ARC-Challenge | arc_04_02376 | Many factors affect human health. Which term best describes diet and exercise for most adults? | [
"lifestyle choice",
"environmental factor",
"genetic predisposition",
"medically prescribed behavior"
] | A | null |
openbookqa | obqa_02_01209 | Which of these animals might eat a steak? | [
"Chicken",
"Lion",
"Cow",
"Buffalo"
] | B | carnivores only eat animals |
openbookqa | obqa_02_02990 | In America, we know that January is a Winter month. But in other parts of the world, its another season. due to | [
"store",
"coma",
"differing hemisphere",
"different world"
] | C | January is during the winter in the northern hemisphere |
sciq | sciq_01_07458 | What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions? | [
"viruses",
"bacteria",
"pests",
"pathogens"
] | B | Bacteria are the most diverse and abundant group of organisms on Earth. They live in almost all environments. They are found in the ocean, the soil, and the intestines of animals. They are even found in rocks deep below Earth’s surface. Any surface that has not been sterilized is likely to be covered with bacteria. The... |
openbookqa | obqa_02_02387 | A shark sees a meal but it runs into a thick cloud of ink, blinding it. Which of the following creatures could be responsible? | [
"a whale",
"a sea lion",
"an octopus",
"a shark"
] | C | octopuses releasing ink into the water causes predators to have difficulty seeing the octopus |
medmcqa | medmcqa_05_03198 | Which type of RNA has the highest percentage of modified base: | [
"mRNA",
"tRNA",
"rRNA",
"snRNA"
] | B | Type Percentage Characteristic feature Synthesis rRNA 80% Most abundant Nucleous tRNA 15% Smallest, Maximum modified bases Nucleus mRNA 5% Most heterogenous Nucleus |
sciq | sciq_01_01502 | What are fungus like protists? | [
"slime molds and water molds",
"lichen and kelp",
"water molds and mushrooms",
"slime molds and water lilies"
] | A | Examples of fungus-like protists include slime molds and water molds. |
openbookqa | obqa_02_00515 | A miner is searching for stones and rocks that can be used for other purposes than for building. He wants to be able to find and process something worthwhile, so he looks for rocks with | [
"aluminium",
"sand",
"roxys",
"pearl"
] | A | rocks sometimes contain aluminum |
math_qa | mathqa_03_00476 | when positive integer n is divided by 5 , the remainder is 1 . when n is divided by 7 , the remainder is 3 . what is the smallest positive integer k such that k + n is a multiple of 50 . | [
"3",
"4",
"12",
"32"
] | C | "first , let us say i have a number n which is divisible by 5 and by 7 . we all agree that it will be divisible by 35 , the lcm of 5 and 7 . now , if i have a number n which when divided by 5 gives a remainder 1 and when divided by 7 gives a remainder 1 , we can say the number is of the form n = 5 a + 1 e . g . 5 + 1 ,... |
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