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_04905 | What would cause a flood? | [
"overpopulation of an area",
"Mount Everest losing soil",
"lake erie getting too much rain water",
"a river running dry"
] | C | when a body of water receives more water than it can hold , a flood occurs |
sciq | sciq_01_04799 | What are double sugars called? | [
"sodiums",
"monosaccharides",
"disaccharides",
"silicates"
] | C | |
ARC-Challenge | arc_04_02650 | Which best describes how ice cores are important to the study of geologic history? | [
"They show unconformities, which signal changes in deposition.",
"They hold index fossils, which are used to date the different ice cores.",
"They contain evidence showing changes in the atmospheric composition over time.",
"They follow the Law of Superposition, which gives reasons for extinctions of species.... | C | null |
sciq | sciq_01_08379 | Prions are slow-acting, virtually indestructible infectious proteins that cause diseases of what vital organ in mammals? | [
"liver",
"heart",
"brain",
"lung"
] | C | |
sciq | sciq_01_11229 | What kind of reaction do you see when the concentration of reactants is higher? | [
"constant reaction rate",
"slow reaction rate",
"faster reaction rate",
"regular reaction rate"
] | C | Concentration is the number of particles of a substance in a given volume. When the concentration of reactants is higher, the reaction rate is faster. At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react. Did you ever see a sign like the one in the F... |
sciq | sciq_01_04528 | What are the only innate behaviors in humans? | [
"reflex behaviors",
"learned behaviors",
"inherited traits",
"insight behaviors"
] | A | Innate behaviors occur in all animals. However, the more intelligent a species is, the fewer innate behaviors it generally has. The human species is the most intelligent animal species, and it has very few innate behaviors. The only innate behaviors in humans are reflex behaviors. A reflex behavior is a simple response... |
ARC-Easy | arc_04_02101 | Which organisms use the energy from the remains of dead animals and recycle the nutrients back into the environment? | [
"producers",
"herbivores",
"omnivores",
"decomposers"
] | D | null |
sciq | sciq_01_01544 | What makes organic compounds ubiquitous is the chemistry of their what? | [
"carbon shell",
"carbon core",
"dioxide shell",
"dioxide core"
] | B | The Chemistry of Carbon What makes organic compounds ubiquitous is the chemistry of their carbon core. Recall that carbon atoms have four electrons in their valence shell, and that the octet rule dictates that atoms tend to react in such a way as to complete their valence shell with eight electrons. Carbon atoms do not... |
sciq | sciq_01_04743 | Vitamins are organic compounds that are essential in very small amounts for the maintenance of normal what? | [
"metabolism",
"respiration",
"calcium",
"pigments"
] | A | Vitamins are organic compounds that are essential in very small (trace) amounts for the maintenance of normal metabolism. They generally cannot be synthesized at adequate levels by the body and must be obtained from the diet. The absence or shortage of a vitamin may result in a vitamin-deficiency disease. In the first ... |
math_qa | mathqa_03_04000 | a sporting good store sells one type of baseball bat and one type of baseball . the cost for 2 bats and 4 balls is $ 200 . the cost for 1 bat and 6 balls is $ 220 , as well . if someone were to buy an equal number of bats and balls , at most how many bats can he purchase if he has a budget of $ 210 for the purchase ? | [
"1'",
"2'",
"3'",
"4'"
] | C | imo it should be c that is 3 reason : formed an equation . . . bat = b ball = c 2 b + 4 c = 200 1 b + 6 c = 220 solving both we get b that is bat = 40 and c that is ball = 30 new equation 210 to be divided in equal 3 b + 3 c = 210 3 * 40 + 3 * 30 = 210 120 + 90 = 210 |
math_qa | mathqa_03_03405 | find the highest value of ' a ' so that 365 a 16 is divisible by 8 . | [
"9",
"8",
"0",
"2"
] | B | explanation : given , number is divisible by 8 only if ' a 16 ' is divisible by 8 . . : highest value of a is ' 8 ' . answer : option b |
sciq | sciq_01_05327 | What are the different feeding positions in a food chain or web called? | [
"trophic levels",
"Primary Level",
"neural levels",
"convoluted levels"
] | A | The different feeding positions in a food chain or web are called trophic levels. Generally, there are no more than four trophic levels because energy and biomass decrease from lower to higher levels. |
math_qa | mathqa_03_03272 | for what value of â € œ k â € will the equation ( 2 kx 2 + 4 kx + 2 ) = 0 have equal roots ? | [
"1",
"9 / 4",
"16 / 25",
"7 / 1"
] | A | "for a 2 nd degree equation ax 2 + bx _ c = 0 has equal roots the condition is b 2 - 4 ac = 0 in the given equation ( 4 k ) ^ 2 - 4 * 2 k * 2 = 0 by solving this equation we get k = 0 , k = 1 answer : a" |
openbookqa | obqa_02_01683 | Most animals have some type of defense mechanism to protect them from predators. The Octopus has | [
"its ink",
"flying",
"yelling",
"crying"
] | A | ink is used for hiding from predators by octopuses |
math_qa | mathqa_03_03359 | p and q together can do a work in 6 days . if p alone can do it in 15 days . in how many days can q alone do it ? | [
"5",
"4",
"10",
"11"
] | C | 1 / 6 - 1 / 15 = = > 1 / 10 = = > 10 answer c |
ARC-Challenge | arc_04_02641 | Plants can help prevent erosion or contribute to erosion. Which describes how plants could contribute to erosion? | [
"Plants slow the runoff of water and soil.",
"Plant roots grow in rocks, breaking the rocks.",
"Plant roots hold the soil in place against wind.",
"Plants break the impact of raindrops before they hit the soil."
] | B | null |
sciq | sciq_01_08840 | Locus refers to the position of what on a chromosome, which controls the characteristics of an organism? | [
"rna",
"gamete",
"genome",
"gene"
] | D | Today, we known that characteristics of organisms are controlled by genes on chromosomes (see Figure below ). The position of a gene on a chromosome is called its locus . In sexually reproducing organisms, each individual has two copies of the same gene, as there are two versions of the same chromosome ( homologous chr... |
medmcqa | medmcqa_05_04692 | Bone within bone appearance is seen in? | [
"CML",
"Osteoporosis",
"Osteopetrosis",
"Bone infarct"
] | C | C i.e. Osteopetrosis In osteopetrosis, there is reduced osteoclastic bone resorption resulting in diffuse symmetrical skeleton sclerosis. Also k/a marble bone disease d/t its stone like quality of bones; however the bones are abnormally brittle & fracture like a piece of chalk. It can present radiologically as? Scleros... |
medmcqa | medmcqa_05_04280 | Amacrine cells secrete ______ | [
"Acetylcholine",
"Serotonin",
"Histamine",
"Glutamate"
] | A | Amacrine cells release acetylcholine. Amacrine cells are one of the neuronal cell types of the retina. They transmit signals in two directions, either directly from bipolar cells to ganglion cells or horizontally within the inner plexiform layer from axons of the bipolar cells to dendrites of the ganglion cells or to o... |
medmcqa | medmcqa_05_03976 | Most common type of phagus in twins? | [
"Craniophagus",
"Pygophagus",
"Thorachophagus",
"Ischiophagus"
] | C | c. Thorachophagus(Ref: Nelson's 20/e p 820)Conjoined twins (Also called Siamese twins)Result from relatively late monovular separation; Types depending on the site of connections are: thoraco-omphalopagus (28% of conjoined twins), thoracopagus (18%), omphalopagus (10%), craniopagus (6%) & incomplete duplication (10%) |
medmcqa | medmcqa_05_00868 | A physician, after examining a group of patients of a ceain disease, classifies the condition of each one as 'Normal', 'Mild', 'Moderate' or 'Severe'. Which one of the following is the scale of measurement that is being adopted for classification of the disease condition? | [
"Normal",
"Interval",
"Ration",
"Ordinal"
] | D | In the given question, a physician, after examining a group of patients of a ceain disease, classifies the condition of each one as 'Normal', 'Mild', 'Moderate' or 'Severe'. 'Normal-mild-moderate-severe' is a continuum of outcome for a variable, thus is measured on an Ordinal scale. |
math_qa | mathqa_03_01631 | what is the remainder when 1201 × 1202 × 1205 × 1210 is divided by 6 ? | [
"1",
"2",
"3",
"4"
] | D | "the remainders when dividing each number by six are : 1 , 2 , 5 , and 4 . the product is 1 * 2 * 5 * 4 = 40 the remainder when dividing 40 by 6 is 4 . the answer is d ." |
openbookqa | obqa_02_04051 | which of these is the primary source of light of our planet? | [
"the cluster of Orion stars",
"the moon which orbits earth",
"the closest star to us",
"the meteorites flying by"
] | C | the sun is a source of light called sunlight |
sciq | sciq_01_09126 | Over time, deposited sediments may harden into what? | [
"fossils",
"coral",
"deltas",
"rocks"
] | D | Over time, deposited sediments may harden into rock. First, the sediments are compacted . That is, they are squeezed together by the weight of sediments on top of them. Next, the sediments are cemented together. Minerals fill in the spaces between the loose sediment particles. These cementing minerals come from the wat... |
sciq | sciq_01_01453 | What do rocket-based systems use to propel itself into space? | [
"hydrogen reactions",
"water reactions",
"chemical reactions",
"nuclear reactions"
] | C | The space shuttle—and any other rocket-based system—uses chemical reactions to propel itself into space and maneuver itself when it gets into orbit. The rockets that lift the orbiter are of two different types. The three main engines are powered by reacting liquid hydrogen with liquid oxygen to generate water. Then the... |
medmcqa | medmcqa_05_00658 | A 55 Yr old smoker presents with history of 5 episodes of macroscopic hematuria each lasting for about 4-5 days in the past 5 yrs. Which of the following investigations should be performed to evaluate the suspected cause | [
"Urine microscopy and cytology",
"X-Ray KUB",
"US KUB",
"DTPA scan"
] | A | . |
openbookqa | obqa_02_03300 | What is used to record images? | [
"sunlight",
"calculators",
"nikon devices",
"camera batteries"
] | C | a camera is used for recording images |
math_qa | mathqa_03_02135 | donovan and michael are racing around a circular 500 - meter track . if donovan runs each lap in 45 seconds and michael runs each lap in 40 seconds , how many laps will michael have to complete in order to pass donovan , assuming they start at the same time ? | [
"9",
"10",
"11",
"12"
] | A | "one way of approaching this question is by relative speed method 1 . speed / rate of donovan = distance / time = > 500 / 45 = > 100 / 9 2 . speed / rate of michael = distance / time = > 500 / 40 = > 50 / 4 relative speed between them = 50 / 4 - 100 / 9 = > 25 / 36 ( we subtract the rates if moving in the same directio... |
medmcqa | medmcqa_05_00248 | The electrostatic precipitator are used in the prevention of - | [
"Radiation risks",
"Air pollution emissions",
"Mosquito nuisance",
"Diffuse vibrations"
] | B | An electrostatic precipitator (ESP) is a filtration device that removes fine paicles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit. In contrast to wet scrubbers, which apply energy directly to the flowing fluid medium, a... |
sciq | sciq_01_07459 | What kind of hormones are secreted by organs classified as gonads? | [
"sex hormones",
"growth hormones",
"cortisol hormones",
"anterior hormones"
] | A | The gonads secrete sex hormones. The male gonads are called testes. They secrete the male sex hormone testosterone. The female gonads are called ovaries. They secrete the female sex hormone estrogen. Sex hormones are involved in the changes of puberty. They also control the production of gametes by the gonads. |
math_qa | mathqa_03_04417 | a and b invests rs . 3000 and rs . 8000 respectively in a business . if a doubles his capital after 6 months . in what ratio should a and b divide that year ' s profit ? | [
"9 : 6",
"9 : 8",
"9 : 16",
"9 : 9"
] | C | "( 3 * 6 + 6 * 6 ) : ( 8 * 12 ) 54 : 96 = > 9 : 16 . answer : c" |
sciq | sciq_01_10561 | What system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus? | [
"female reproductive system",
"male reproductive system",
"female uterus system",
"female hormone system"
] | A | The female reproductive system consists of structures that produce eggs and secrete female sex hormones. They also provide a site for fertilization and enable the development and birth of a fetus. |
ARC-Challenge | arc_04_02464 | Which of the following is an example of a chemical change? | [
"clouds forming",
"sugar dissolving",
"water freezing",
"a candle burning"
] | D | null |
sciq | sciq_01_10618 | The yellowstone hot spot is a famous example of a what? | [
"continental hot spot",
"form hot spot",
"oceanic hot spot",
"deeper hot spot"
] | A | Hot spots are found within continents, but not as commonly as within oceans. The Yellowstone hot spot is a famous example of a continental hot spot. |
math_qa | mathqa_03_04699 | find the cost of fencing around a circular field of diameter 42 m at the rate of rs . 5 a meter ? | [
"655.9",
"659.75",
"650.57",
"655.9"
] | B | "2 * 22 / 7 * 14 = 131.95 131.95 * 5 = rs . 659.75 answer : b" |
sciq | sciq_01_01848 | Turbulent sounds, at the onset of blood flow when the cuff pressure becomes sufficiently small are called? | [
"choanocyte sounds",
"whooping sounds",
"korotkoff sounds",
"pinworm sounds"
] | C | 12.5 The Onset of Turbulence Sometimes we can predict if flow will be laminar or turbulent. We know that flow in a very smooth tube or around a smooth, streamlined object will be laminar at low velocity. We also know that at high velocity, even flow in a smooth tube or around a smooth object will experience turbulence.... |
medmcqa | medmcqa_05_01207 | Which of the following is the most common initial site of metastasis from a primary BCC? | [
"Lungs",
"Regional lymph nodes",
"Bone",
"Liver"
] | B | Ans. B. Regional lymph nodesThe metastatic potential of BCC is very low with rates ranging from 0.0028to0.1%, The head and neck region is the most frequent location of the primary tumor with regional lymph nodes being the most common site of metastasis. The lungs, bone, liver, and pleural are also potential sites of me... |
openbookqa | obqa_02_00467 | An example of breaking down is | [
"cutting an apple into slices",
"putting a jigsaw puzzle together",
"mixing cake ingredients together",
"applying coats of paint onto a wall"
] | A | break down means change from a whole into pieces |
math_qa | mathqa_03_03530 | a number when divided by 342 gives a remainder 47 . when the same number if it divided by 19 , what would be the remainder ? | [
"1",
"2",
"5",
"9"
] | D | "on dividing the given number by 342 , let k be the quotient and 47 as remainder . then , number – 342 k + 47 = ( 19 x 18 k + 19 x 2 + 9 ) = 19 ( 18 k + 2 ) + 9 . the given number when divided by 19 , gives ( 18 k + 2 ) as quotient and 9 as remainder . answer d" |
medmcqa | medmcqa_05_03215 | Urinary retention in child is most commonly caused by | [
"Metal scab with ulceration",
"Posturethral valve",
"Urethral stricture",
"Epispadius"
] | A | (A) Metal scab with ulceration # Acute urinary retention in a male child may be due to local inflammatory causes like meatal ulcer with scabbing.> Etiology of Urinary Retention in Children: Neurological processes Severe voiding dysfunction UTI Constipation Adverse drug effect Local inflammatory causes Locally invading ... |
medmcqa | medmcqa_05_01247 | Which of the following is the most common cause of persistent trophoblastic disease after H. Mole evacuation? | [
"Choriocarcinoma",
"Invasive mole",
"Placental site trophoblastic tumor",
"Residual Mole"
] | D | Ans. D. Residual MoleUpto 20% of women with H. Mole show persistence of tumor in uterus following surgical evacuation.a. 15% persist as persistant or residual mole.b. 5% develop choriocarcinoma.c. Trophoblastic tumors diagnosed for upto 6 months following an abortion or mole is often. An invasive mole, but the one diag... |
sciq | sciq_01_03377 | Not all cells of a leaf carry out photosynthesis. cells within the middle layer of a leaf have chloroplasts, which contain the photosynthetic what? | [
"structure",
"wires",
"apparatus",
"pipes"
] | C | Figure 5.7 Not all cells of a leaf carry out photosynthesis. Cells within the middle layer of a leaf have chloroplasts, which contain the photosynthetic apparatus. (credit "leaf": modification of work by Cory Zanker). |
sciq | sciq_01_05676 | Where do the majority of arthropods live? | [
"on land",
"in water",
"in air",
"in hives"
] | A | The majority of mollusks and annelids live in the water or inside hosts. Arthropods are invertebrates that include insects. The majority of arthropods live on land. |
ARC-Challenge | arc_04_02360 | When a blue light is shone on a yellow banana, what color does the banana appear to be? | [
"blue",
"yellow",
"green",
"black"
] | D | null |
sciq | sciq_01_04155 | Converging plates can be oceanic, continental, or one of each. if at least one is oceanic, it will subduct. a subducting plate creates what? | [
"wind",
"fires",
"volcanoes",
"earthquakes"
] | C | Converging plates can be oceanic, continental, or one of each. If at least one is oceanic, it will subduct. A subducting plate creates volcanoes. Many of the world's volcanoes are the result of subduction at a convergent plate boundary. A map of the world's active volcanoes is pictured below ( Figure below ). |
sciq | sciq_01_10314 | What is our largest source of energy? | [
"methane",
"iron",
"wind",
"coal"
] | D | Coal is our largest source of energy for producing electricity. |
medmcqa | medmcqa_05_04171 | Most common joint involved in Gout y ahritis is ? | [
"Knee joint",
"Hip joint",
"MP joint of the big toe",
"MP joint of thumb"
] | C | Gout: Disturbed purine metabolism leading to ecxessive accumulation of uric acid in the blood -an inherited disorder ;or impaired excretion of uric acid by kidneys.result is accumulation of sodium bicarbonte crystals in soft tissues.Tisues of predliction are cailages,tendon ,bursa. Patient ,beyond 40 years of age, pres... |
openbookqa | obqa_02_00675 | A pod of dolphins is swimming while searching for food. The youngest dolphin swims away from the pod and is lost. The rest of the pod searches for the young dolphin by clicking into the water. The young dolphin is found because of | [
"echoes from noise",
"vibrations from drums",
"sound of water",
"movement in air"
] | A | echolocation is when some animals detect objects by hearing echoes by emitting sound |
medmcqa | medmcqa_05_04484 | Paradoxical splitting of second hea sound is seen in- | [
"RBBB",
"ASD",
"LBBB",
"VSD"
] | C | A split S2 is a finding upon auscultation of the S2 hea sound. It is caused when the closure of the aoic valve (A2) and the closure of the pulmonary valve (P2) are not synchronized during inspiration. The second hea sound (S2) is caused by the closure of the aoic and pulmonic valves, which causes vibration of the valve... |
math_qa | mathqa_03_02054 | what is the remainder when 9 ^ 1 + 9 ^ 2 + 9 ^ 3 + . . . + 9 ^ 9 is divided by 9 ? | [
"2",
"3",
"0",
"5"
] | C | "notice that in the brackets we have the sum of 9 odd multiples of 9 , which yields remainder of 0 upon division by 9 . answer : c" |
ARC-Easy | arc_04_00666 | Humans cannot survive without clean, fresh water. Reservoirs of liquid water vary, but all water spends time as a gas in the atmosphere. What is the source of most of the water in the atmosphere? | [
"lakes",
"oceans",
"rivers",
"glaciers"
] | B | null |
openbookqa | obqa_02_03897 | After a whiteout you need to | [
"remove snow",
"login to Warcraft",
"wish for snow",
"apply suntan lotion"
] | A | snowy means a large amount of snow |
sciq | sciq_01_02356 | What is the name for the study of the plants and animals that live in fresh water bodies ? | [
"limnology",
"hydrology",
"oceanography",
"nematology"
] | A | Limnology is the study of the plants and animals that live in fresh water bodies. A lake has zones just like the ocean. The ecosystem of a lake is divided into three distinct zones ( Figure below ):. |
medmcqa | medmcqa_05_04989 | Ibuprofen acts on: | [
"Lipoxygenase pathway",
"Cyclooxygenase pathway",
"Kinin system",
"Serotonin system"
] | B | Ibuprofen is an NSAID - So acts on COX pathway ESSENTIALS OF MEDICAL PHARMACOLOGY;7TH EDITION;KD TRIPATHI;PAGE NO 193 |
openbookqa | obqa_02_00781 | Sea anemones | [
"look like flora",
"look like cars",
"look like bats",
"look like dogs"
] | A | poisonous darts are used for defense by sea anemones |
math_qa | mathqa_03_02501 | a barrel full of beer has 2 taps one midway , , which draw a litre in 6 minutes and the other at the bottom , which draws a litre in 4 minutes . the lower tap is lower normally used after the level of beer in the barrel is lower than midway . the capacity of the barrel is 36 litres . a new assistant opens the lower tap... | [
"15 minutes",
"16 minutes",
"17 minutes",
"18 minutes"
] | B | sol . the top tab is operational till 18 litres is drawn out . ∴ time after which the lower tap is usually open = 18 × 6 = 108 minutes ∴ time after which it is open now = 108 – 24 = 84 minutes ∴ litres drawn = 84 / 6 = 14 litres ∴ 18 – 14 = 4 litres were drawn by the new assistant . ∴ time = 4 × 4 = 16 minutes answer b |
sciq | sciq_01_01442 | What is defined as an organism in the earliest stages of development? | [
"an embryo",
"an nucleus",
"a gamete",
"a zygote"
] | A | An embryo is an organism in the earliest stages of development. Embryos of different species may look quite similar, even when the adult forms look very different. Look at the drawings of embryos in Figure below . They represent very early life stages of a chicken, turtle, pig, and human being. The embryos look so simi... |
sciq | sciq_01_09361 | Similar to the coil on a stove, changes in what reflect an increase in the temperature of a star? | [
"texture",
"rotation",
"color",
"direction"
] | C | Think about the coil of an electric stove as it heats up. The coil changes in color as its temperature rises. When you first turn on the heat, the coil looks black. The air a few inches above the coil begins to feel warm. As the coil gets hotter, it starts to glow a dull red. As it gets even hotter, it becomes a bright... |
medmcqa | medmcqa_05_04444 | Steroid resistant nephritic syndrome ? | [
"Nephrin",
"Alpha-actinin-4",
"Podocin",
"Transient Receptor Potential 6"
] | C | Podocin The glomerular capillary wall is a filtering membrane and consists of the following structures i) Endothelial cells ii) Glomerular basement membrane iii) Visceral epithelial cells (podocytes) iv) Mesangial cells The visceral epithelial cell known as podocyte is impoant for the maintenance of glomerular barrier ... |
sciq | sciq_01_08798 | What do you call the sudden flow of mud down a slope because of gravity? | [
"rockflow",
"typhoon",
"mountainside",
"mudslide"
] | D | A mudslide is the sudden flow of mud down a slope because of gravity. Mudslides occur where the soil is mostly clay. Like landslides, mudslides usually occur when the soil is wet. Wet clay forms very slippery mud that slides easily. You can see an example of a mudslide in Figure below . |
sciq | sciq_01_03776 | In general, objects expand in all directions as temperature does what? | [
"decreases",
"increases",
"cycles",
"stays the same"
] | B | Figure 13.11 In general, objects expand in all directions as temperature increases. In these drawings, the original boundaries of the objects are shown with solid lines, and the expanded boundaries with dashed lines. (a) Area increases because both length and width increase. The area of a circular plug also increases. ... |
sciq | sciq_01_07162 | What are electrons at the outermost energy level of an atom are called? | [
"shell electrons",
"core electrons",
"ions",
"valence electrons"
] | D | Electrons at the outermost energy level of an atom are called valence electrons. They determine many of the properties of an element. That’s because these electrons are involved in chemical reactions with other atoms. Atoms may share or transfer valence electrons. Shared electrons bind atoms together to form chemical c... |
math_qa | mathqa_03_01245 | in the xy - coordinate system , what is the slope of the line that goes through point ( 2 , 4 ) and is equidistant from the two points p = ( 9 , 3 ) and q = ( 5 , 9 ) ? | [
"0.1",
"0.2",
"0.3",
"0.4"
] | D | "first , get the middle coordinate between ( 9,3 ) and ( 5,9 ) . x = 9 + ( 5 - 9 ) / 2 = 7 y = 3 + ( 9 - 3 ) / 2 = 6 second , get the slope of ( 7,6 ) and ( 2,4 ) . m = 6 - 4 / 7 - 2 = 2 / 5 = 0.4 answer : d" |
sciq | sciq_01_08158 | Which theory suggests plant species richness increases with island size? | [
"island ecosystem model",
"island symbolic model",
"island biology model",
"island equilibrium model"
] | D | |
medmcqa | medmcqa_05_00239 | Most potent cerebral vasodilator is | [
"B blocker",
"Nitro-glycerine",
"Hyper carbia",
"Nitroprusside"
] | C | C i.e. Hyper carbia |
sciq | sciq_01_09508 | Researchers have long based their hypotheses about animal phylogeny on what? | [
"manipulative data",
"distinctive data",
"morphological data",
"longitudinal data"
] | C | |
sciq | sciq_01_04092 | The head, thorax, and abdomen comprise what type of body structure, possessed by arthropods? | [
"vertebrate",
"permeable",
"segmented",
"elongated"
] | C | Arthropods range in length from about 1 millimeter (0.04 inches) to 4 meters (about 13 feet). They have a segmented body with a hard exoskeleton. They also have jointed appendages. The body segments are the head, thorax, and abdomen (see Figure below ). In some arthropods, the head and thorax are joined together as a c... |
medmcqa | medmcqa_05_00785 | In sickle cell anemia replacement is: | [
"Valbglu in b6",
"Glu by val in b6",
"Hist val b8",
"6A"
] | B | B i.e. Glu by val in b6 |
sciq | sciq_01_04115 | What term means the abnormal or excessive extension of a joint - particularly a hinged joint - beyond its normal range of motion, thus resulting in injury? | [
"tear",
"hypercorrection",
"sprain",
"hyperextension"
] | D | These include anterior-posterior movements of the arm at the shoulder, the forearm at the elbow, the hand at the wrist, and the fingers at the metacarpophalangeal and interphalangeal joints. For the thumb, extension moves the thumb away from the palm of the hand, within the same plane as the palm, while flexion brings ... |
openbookqa | obqa_02_00568 | A common problem involving waste in the excretory system is | [
"run for it",
"running on empty",
"running a fever",
"having the runs"
] | D | the excretory system removes waste from the body |
medmcqa | medmcqa_05_00069 | Which of the following is seen in African children with Burkitts lymphoma? | [
"Absence of EBV",
"T cell neoplasia",
"Deletion of C myc gene",
"Chromosome 8q24 to chromosome 14q32 translocation"
] | D | Ans. is 'd'The c-myc gene (chromosome 8q24) involved in the entry of cells from resting G0 into the cell cycle is translocated to the mu heavy chain gene (chromosome 14q32) in most cases of Burkitt's lymphoma studied. |
medmcqa | medmcqa_05_02377 | IgM have how many four-peptide subunits: March 2010 | [
"3",
"4",
"5",
"6"
] | C | IgM molecules are polymers of five four-peptide subunits. In the pentameric form all heavy chains are identical and all light chains are identical. It has another protein covalently bound a S-S bond called the J chain. This chain functions in polymerization of the molecule into a pentamer |
medmcqa | medmcqa_05_04045 | Which of the following is a virulence factor for streptococci? | [
"Hemolysin",
"M protein",
"Hyaluridase",
"Carbohydrate"
] | B | The cell wall antigens include capsular polysaccharide (C-substance), peptidoglycan and lipoteichoic acid (LTA), R and T proteins, and various surface proteins, including M protein, fimbrial proteins, fibronectin-binding proteins (eg, protein F), and cell-bound streptokinase. The C-substance may have a role in increase... |
medmcqa | medmcqa_05_03747 | Commonest type of necrosis is | [
"Fatty",
"Caseous",
"Coagulative",
"Liquifactive"
] | C | Ans. c (Coagulative). (Ref. Robbins, Pathologic Basis of Disease, 8th/pg.7-13)Caseation necrosis - Tubercular lymph nodesCoagulative necrosis - Myocardial infarction, sarcoidosisLiquefactive necrosis - Brain infarcts and infections (abscess).TYPE OF NECROSISCOMMMENTSCoagulative necrosis- is a form of tissue necrosis in... |
ARC-Easy | arc_04_01696 | When you are riding a bicycle at night, your bicycle's reflectors help people in cars see your bicycle. How do bicycle reflectors work? | [
"They are made of a special material that gives off its own light.",
"They are hooked up to batteries that allow them to produce light.",
"They bounce light back from other sources.",
"They are covered with paint that glows in the dark."
] | C | null |
math_qa | mathqa_03_00272 | doughnuts , cookies and muffins in a pastry shop are in the ratio of 5 : 3 : 1 . if there are 50 doughnuts , the number of muffins in the shop is : . | [
"25",
"30",
"10",
"15"
] | C | explanation : let doughnuts = 5 x , cookies = 3 x & muffins = 1 x . now , 5 x = 50 hence x = 10 . number of muffins = 1 x which is 10 . answer : c |
medmcqa | medmcqa_05_00860 | Bibasilar velcro crackles occur in | [
"Acute pulmonary edema",
"Acute bronchopneumonia",
"Pulmonary fibrosis",
"Pulmonary embolism"
] | C | Idiopathic pulmonary fibrosis is defined as a progressive fibrosing interstitial pneumonia of unknown etiology,occurring in adults.With the advent of widespread CT scanning,it may present as an incidental finding in an otherwise asymptomatic individual, but more typically presents with progressive breathlessness(which ... |
sciq | sciq_01_05062 | Within the chloroplast, synthesis of what takes place in the fluid inside the inner membrane called the stroma? | [
"glucose",
"wheat",
"sugar",
"fructose"
] | C | Figure 4.17 The chloroplast has an outer membrane, an inner membrane, and membrane structures called thylakoids that are stacked into grana. The space inside the thylakoid membranes is called the thylakoid space. The light harvesting reactions take place in the thylakoid membranes, and the synthesis of sugar takes plac... |
openbookqa | obqa_02_03012 | Grow lamps provide artificial sun to | [
"bricks",
"dogs",
"succulents",
"fish"
] | C | a plant light is used for help plants by mimicking sunlight |
sciq | sciq_01_10280 | All photosynthetic organisms contain a pigment called what? | [
"carbonate",
"chlorophyll",
"sodium",
"Fiber"
] | B | Understanding Pigments Different kinds of pigments exist, and each absorbs only certain wavelengths (colors) of visible light. Pigments reflect the color of the wavelengths that they cannot absorb. All photosynthetic organisms contain a pigment called chlorophyll a, which humans see as the common green color associated... |
medmcqa | medmcqa_05_01242 | Most common brain tumour is- | [
"Astrocytoma",
"Meningioma",
"Metastasis",
"Oligodendroma"
] | C | Ans. is 'c' i.e., Metastasis o MC brain tumors-Metastaseso MC primary brain tumor-Gliomao MC Glioma-Astrocytomaso MC Astrocytomas-Glioblastoma multiforme |
openbookqa | obqa_02_01844 | A mechanical device requires 420 J of work to do 230 J of work in lifting a crate. What is the efficiency of the device? | [
"65%",
"50%",
"60%",
"55%"
] | D | a simple machine requires mechanical energy to function |
math_qa | mathqa_03_02818 | to fill a tank , 20 buckets of water is required . how many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to one - fifth of its present ? | [
"100",
"200",
"300",
"400"
] | A | "let the capacity of 1 bucket = x . then , the capacity of tank = 20 x . new capacity of bucket = 1 / 5 x therefore , required number of buckets = ( 20 x ) / ( 1 x / 5 ) = ( 20 x ) x 5 / 1 x = 100 / 1 = 100 answer is a ." |
openbookqa | obqa_02_04256 | See evaporation in action by | [
"leaving two mason jars out with different levels of gatorade",
"run for city council",
"take a walk on the sun",
"become a human bug"
] | A | evaporation causes amount of water to decrease |
sciq | sciq_01_00613 | What mammalian class has the greatest ability to learn? | [
"reptiles",
"apes",
"humans",
"rats"
] | C | In many ways, humans are unique among mammals. For example, we have bigger brains and a greater ability to learn than any other species in the mammalian class. In many ways, however, we are typical of the mammalian order to which we belong. That order is the Primate Order. To fully understand what it means to be human,... |
sciq | sciq_01_11420 | What do monarch butterfly larvae depend on for their food? | [
"honey",
"seaweed",
"pollen",
"milkweeds"
] | D | Another concern about biotechnology is how it may affect the environment. Negative effects on the environment have already occurred because of some GMOs. For example, corn has been created that has a gene for a pesticide. The corn plants have accidentally cross-pollinated nearby milkweeds. Monarch butterfly larvae depe... |
sciq | sciq_01_02612 | What does the kinetic-molecular theory describe the behavior of? | [
"a compound",
"an ideal gas",
"a liquid",
"a solid"
] | B | The kinetic-molecular theory describes the behavior of an ideal gas. |
math_qa | mathqa_03_01535 | if a square mirror has a 20 - inch diagonal , what is the approximate perimeter q of the mirror , in inches ? | [
"40",
"60",
"80",
"100"
] | B | "if you draw the square and diagonal inside the square . u can see square becomes part of two triangles opposite to each other . and we know the property of the triangle , addition of two sides of triangle must be greater than its diagonal in order to complete the triangle . and each side must be less than 20 and perim... |
openbookqa | obqa_02_01870 | A dart frog is eaten by a pelican, who promptly | [
"passes away",
"wakes up",
"eats birds",
"flies home"
] | A | poison causes harm to living things |
ARC-Challenge | arc_04_02472 | Two pieces of the same metal are placed on a table. The pieces of metal have the same density, mass, and texture. Which characteristic must be the ONLY difference between the two samples? | [
"They have different dimensions.",
"They have different boiling points.",
"They are made up of a different type of matter.",
"They contain a different amount of matter per unit volume."
] | A | null |
ARC-Challenge | arc_04_02530 | The temperature of water in a glass changes from 5°C to -1°C. How will the water most likely change? | [
"It will boil.",
"It will melt.",
"It will freeze.",
"It will condense."
] | C | null |
sciq | sciq_01_09003 | What function does a vacuole do for a cell? | [
"division",
"transfer",
"reproduction",
"storage"
] | D | Most mature plant cells have a central vacuole that occupies more than 30% of the cell's volume. The central vacuole can occupy as much as 90% of the volume of certain cells. The central vacuole is surrounded by a membrane called the tonoplast . The central vacuole has many functions. Aside from storage, the main role ... |
sciq | sciq_01_00023 | Which muscles allow your fingers to also make precise movements for actions? | [
"fine movement muscles",
"intrinsic muscles",
"motoric muscles",
"paired muscles"
] | B | Intrinsic Muscles of the Hand The intrinsic muscles of the hand both originate and insert within it (Figure 11.28). These muscles allow your fingers to also make precise movements for actions, such as typing or writing. These muscles are divided into three groups. The thenar muscles are on the radial aspect of the palm... |
sciq | sciq_01_00410 | Which part of the wave helps make the wave bend and cause refraction? | [
"heavy part",
"bright part",
"dense part",
"shallow part"
] | D | Lymph that collects in tissues slowly passes into tiny lymph vessels. Lymph then travels from smaller to larger lymph vessels. Muscles around the lymph vessels contract and squeeze the lymph through the vessels. The lymph vessels also contract to help move the lymph along. Eventually, lymph reaches the main lymph vesse... |
openbookqa | obqa_02_00427 | Melissa is creating a new product to quench people's thirst. She thinks it will be more popular if it is less flat. She decides to | [
"add more salt to the drink",
"add some dissolved carbon dioxide",
"shake up the drink bottles before shipping them to the stores",
"boil the drink in a large vat"
] | B | a carbonated beverage contains dissolved carbon dioxide |
sciq | sciq_01_05740 | What are invertebrate chordates that retain all four defining chordate traits as adults called? | [
"tunicates",
"lancelets",
"sporozoans",
"vertebrates"
] | B | Lancelets are invertebrate chordates that retain all four defining chordate traits as adults. There are only about 25 species of living lancelets. Lancelets resemble tunicates in several ways. For example:. |
sciq | sciq_01_01724 | Covering about 16 percent of the moon's surface, maria are dark, solid, flat areas consisting of what substance? | [
"dust",
"ash",
"debris",
"lava"
] | D | When you look at the Moon from Earth, you notice dark and light areas. The maria are dark, solid, flat areas of lava. Maria covers around 16% of the Moon’s surface, mostly on the near side. The maria formed about 3.0 to 3.5 billion years ago, when the Moon was continually bombarded by meteorites ( Figure below ). Large... |
openbookqa | obqa_02_03945 | Conserving water can be used for survival where? | [
"seas",
"oceans",
"sandy land",
"towns"
] | C | conserving water can be used for survival in a dry environment |
sciq | sciq_01_01398 | Fungi cause three different types of human illness: poisonings, parasitic infections, and what? | [
"allergies",
"diabetes",
"diarrhea",
"heart disease"
] | A | Fungi cause three different types of human illness: poisonings, parasitic infections, and allergies. Many poisonous mushrooms are eaten by mistake because they look like edible mushrooms. Parasitic yeasts cause candidiasis, ringworm, and athlete’s foot. Mold allergies are very common. |
openbookqa | obqa_02_00207 | The water in the bowl was gone before the water | [
"on the tray",
"in the mug",
"on the plate",
"on the table"
] | B | as the surface area of a body of water increases , evaporation of that body of water will increase |
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