dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 1 935 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_08408 | Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? | [
"gyroscope",
"compass",
"accelerator",
"telescope"
] | A | Earth itself acts like a gigantic gyroscope. Its angular momentum is along its axis and points at Polaris, the North Star. But Earth is slowly precessing (once in about 26,000 years) due to the torque of the Sun and the Moon on its nonspherical shape. |
sciq | sciq_01_05349 | What is the process in which gases are exchanged between the body and the outside air? | [
"precipitation",
"metabolism",
"ingestion",
"respiration"
] | D | Respiration is the process in which gases are exchanged between the body and the outside air. The lungs and other organs of the respiratory system bring oxygen into the body and release carbon dioxide into the atmosphere. |
medmcqa | medmcqa_05_04365 | Prions are killed by: | [
"Autoclave",
"Ethylene dioxide",
"Gamma radiation",
"Autoclave and NaOH"
] | D | Ans. is 'd' i.e., Autoclave and NaOHPrions can be destroyed by one of these four options:Option 1. Autoclave at 134degC for 18 minutes in a prevacuum sterilizer.Option 2. Autoclave at 132degC for 1 hour in a gravity displacement sterilizer.Option 3. Immerse in 1NNaOH(1NaOHis a solution of 40gNaOH 1Lwater) for 1 hour; r... |
openbookqa | obqa_02_02687 | Which is the most accurate statement? | [
"a phone's brain controls its body",
"a rock's brain controls its body",
"a sloth's brain controls its body",
"a bacteria's brain controls its body"
] | C | an animal 's brain controls that animal |
math_qa | mathqa_03_03610 | if ( t - 8 ) is a factor of t ^ 2 - kt - 40 , then k = | [
"16",
"1",
"2",
"6"
] | B | "t ^ 2 - kt - 48 = ( t - 8 ) ( t + m ) where m is any positive integer . if 48 / 8 = 6 , then we know as a matter of fact that : m = + 6 and thus k = 8 - 6 = 1 t ^ 2 - kt - m = ( t - a ) ( t + m ) where a > m t ^ 2 + kt - m = ( t - a ) ( t + m ) where a < m t ^ 2 - kt + m = ( t - a ) ( t - m ) t ^ 2 + kt + m = ( t + a ... |
math_qa | mathqa_03_01612 | a metallic sheet is of rectangular shape with dimensions 48 m x 36 m . from each of its corners , a square is cut off so as to make an open box . if the length of the square is 8 m , the volume of the box ( in m 3 ) is : | [
"4830",
"5120",
"6420",
"8960"
] | B | "explanation clearly , l = ( 48 – 16 ) m = 32 m , b = ( 36 - 16 ) m = 20 m , h = 8 m . volume of the box = ( 32 x 20 x 8 ) m 3 = 5120 m 3 . answer b" |
sciq | sciq_01_08583 | The variation in a sample can be represented by what quantity, which means the total spread of values? | [
"median",
"range",
"mode",
"variety"
] | B | The variation in a sample can be represented by the range, or the total spread of values. |
openbookqa | obqa_02_03998 | Bacteria in the soil feed on | [
"uranium",
"expired creatures",
"crowd sourced work",
"kryptonite"
] | B | In the food chain process bacteria have the role of decomposer |
sciq | sciq_01_01237 | Are bones considered living or dead tissues? | [
"living",
"decomposing",
"decaying",
"dead"
] | A | From seeing a skeleton, you might think that bones are just dead, hollow structures. But in a living person, those hollow spaces are full of living cells. Bones have a blood supply and nerves. Bones are a living tissue. |
medmcqa | medmcqa_05_04300 | L'Hermittes' sign is characteristic feature of | [
"Syringomyelia",
"Tabes dorsalis",
"Multiple sclerosis",
"Parkinsonism"
] | C | (C) Multiple sclerosis # Lhermitte's Sign, sometimes called the Barber Chair phenomenon, is an electrical sensation that runs down the back and into the limbs, and is produced by bending the neck forward.> Sign suggests a lesion of the dorsal columns of the cervical cord or of the caudal medulla.> Multiple sclerosis: A... |
math_qa | mathqa_03_04589 | a 280 meter long train running at the speed of 120 kmph crosses another train running in the opposite direction at the speed of 80 kmph in 9 seconds . what is the lenght of other train . | [
"210 m",
"220 m",
"230 m",
"240 m"
] | B | "relative speeds = ( 120 + 80 ) km / hr = 200 km / hr = ( 200 * 5 / 18 ) m / s = ( 500 / 9 ) m / s let length of train be xm x + 280 / 9 = 500 / 9 x = 220 ans is 220 m answer : b" |
medmcqa | medmcqa_05_04084 | Contraindication to Hepatitis-B vaccine:- | [
"Prematurity",
"Weight - 2400gm",
"Breech delivery",
"Low APGAR score"
] | A | - Vaccine contraindicated in pre-term baby with bih weight < 2 kg is Hepatitis B - Vaccines & their contraindications: - Pregnancy - All live vaccines are CI except yellow fever vaccine - HIV +ve - Asymptomatic adult - no CI - Symptomatic adult - all live vaccines are CI except MMR, Varicella, Zoster vaccines - New bor... |
openbookqa | obqa_02_03869 | looking directly at an eclipse of the Sun causes harm to the | [
"trees",
"clouds",
"rocks",
"organic light receptacle"
] | D | looking directly at an eclipse of the Sun causes harm to the eyes |
ARC-Easy | arc_04_00255 | David planted ten corn seeds in sandy soil and ten corn seeds in clay soil. He kept both groups of plants at room temperature, gave them the same amount of water, and placed them all in the same sunny room. Which of the following questions is David most able to answer with his experiment? | [
"How much soil and water do corn seeds need to grow?",
"Do corn plants grow better in sandy soil or in clay soil?",
"Do corn plants grown in sandy soil need more water than corn plants grown in clay soil?",
"What are the effects of soil, temperature, water, and sunshine on the growth of corn plants?"
] | B | null |
math_qa | mathqa_03_02904 | the inner circumference of a circular race track , 14 m wide is 440 m . find the radius of the outer circle . | [
"84",
"12",
"67",
"28"
] | A | "explanation : let inner radius be r meters . { \ color { black } then , 2 \ pi r = 440 \ rightarrow r = 440 \ times \ frac { 7 } { 22 } \ times \ frac { 1 } { 2 } = 70 m } radius of outer circle = 70 + 14 = 84 m answer : a ) 84 m" |
openbookqa | obqa_02_04481 | Who'd be able to see a rose is pink at night? | [
"rocks",
"the Rio Grande",
"a beeping sound",
"lemurs"
] | D | the moon reflects sunlight towards the Earth |
sciq | sciq_01_07845 | What gems are created by mollusks, such as oysters? | [
"crystals",
"diamonds",
"pearls",
"turquoise"
] | C | Pearls are highly valued as gemstones. Most gemstones come from the Earth, but pearls come from living things. They are created by mollusks, such as oysters. |
openbookqa | obqa_02_02538 | It's June in Australia so I should make sure to wear | [
"mittens",
"shorts",
"flip flops",
"a bathing suit"
] | A | June is during the winter in the southern hemisphere |
medmcqa | medmcqa_05_03298 | A lesion 3cms away from gastroesophageal junction contain columnar epithelium ,such a type of lesion is | [
"Metaplasia",
"Hyperplasia",
"Dysplasia",
"Anaplasia"
] | A | Ref Robbins 8/e p10,265,;9/e p271 Metastasis Metastases are secondary implants of a tumor that are dis- continuous with the primary tumor and located in remote tissues (Fig. 5-11). More than any other attribute, the propey of metastasis identifies a neoplasm as malignant. Not all cancers have equivalent ability to meta... |
openbookqa | obqa_02_00652 | The doorbell was pushed, but sound failed to emit. What might cause this? | [
"atmospheric pressure",
"Batteries dead",
"storm",
"temperature"
] | B | a doorbell converts electrical energy into sound |
sciq | sciq_01_02626 | What kind of reproduction generates new individuals without fusion of an egg and sperm? | [
"gametes",
"propagation",
"sexual",
"asexual"
] | D | |
ARC-Easy | arc_04_00205 | An organ pipe produces a musical note same number of nitrogen gas molecules. with a wavelength of 2.72 m. What is the frequency of this note if the speed of sound is 348 m/s? | [
"85.7 Hz",
"128 Hz",
"260 Hz",
"466 Hz"
] | B | null |
math_qa | mathqa_03_02207 | 80 is what percent of 160 ? | [
"35 %",
"40 %",
"45 %",
"50 %"
] | D | 80 / 160 × 100 = 50 % answer : d |
sciq | sciq_01_09440 | A disaccharide is a pair of monosaccharides. disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). three disaccharides (shown in figure 2.19) are important to humans. these are sucrose, commonly referred to as table sugar; lactose, or milk ... | [
"saccharin",
"malt sugar",
"fruit sugar",
"sucralose"
] | B | Disaccharides A disaccharide is a pair of monosaccharides. Disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). Three disaccharides (shown in Figure 2.19) are important to humans. These are sucrose, commonly referred to as table sugar; lac... |
sciq | sciq_01_09739 | Damages and deaths are directly affected by what in an earthquake? | [
"shaking",
"structures",
"construction",
"natural"
] | C | The type of construction has a tremendous effect on what happens during an earthquake. Damage and deaths are directly affected by the construction in an earthquake. For example, enormous damage was done in the 2011 Christchurch, New Zealand earthquake. However, far less was damaged in an earthquake of the same magnitud... |
medmcqa | medmcqa_05_03438 | Maximum incidence of developmental defects is seen in: | [
"Primary incisor",
"Permanent incisors",
"Permanent mandibular first molar",
"Primary mandibular second molar"
] | B | Maximum incidence of developmental defects is seen in permanent incisors. |
sciq | sciq_01_09954 | What is defined as a close relationship between organisms of different species in which at least one of the organisms benefits? | [
"parasitic",
"symbiosis",
"co-operative",
"endosymbiosis"
] | B | Symbiosis is a close relationship between organisms of different species in which at least one of the organisms benefits. The other organism may also benefit, it may be unaffected by the relationship, or it may be harmed by the relationship. Figure below shows an example of symbiosis. The birds in the picture are able ... |
openbookqa | obqa_02_03269 | After several months, a cardboard box left outside is all misshapen and has holes in it | [
"the elements broke it down",
"radiation completely destroyed it",
"an elf messed with the box",
"bees ate holes in it"
] | A | breaking down an object changes that object 's shape and mass |
ARC-Challenge | arc_04_02224 | Stars are organized into patterns called constellations. One constellation is named Leo. Which statement best explains why Leo appears in different areas of the sky throughout the year? | [
"Earth revolves around the sun.",
"The sun revolves around Earth.",
"The constellations revolve around Earth.",
"Earth revolves around the constellations."
] | A | null |
openbookqa | obqa_02_00610 | What forms craters on planets? | [
"sunlight",
"thunder",
"space stones",
"digging"
] | C | usually craters on planets are formed by asteroids impacting that planet or moon 's surface |
medmcqa | medmcqa_05_03948 | Fatty acids of cholesterol are mainly: | [
"Oleic acid",
"Linoleic acid",
"Linolenic acid",
"Palmitic acid"
] | D | D i.e. Palmitic acid; E i.e. Stearic acidBoth cholesterol and ketone bodies are synthesize from (3) beta hydroxyl (3) beta methyl glutary CoA (ie HMG CoA). So enzymes, thiolase & HMG CoA synthase involved in conversion of acetyl CoA to HMG CoA are common to synthesis of cholesterol and ketone bodies bothQ. However, cyt... |
sciq | sciq_01_08460 | How many main types of diabetes are there? | [
"six",
"two",
"three",
"one"
] | B | There are two main types of diabetes, type 1 diabetes and type 2 diabetes. Type 1 diabetes makes up about 5-10% of all cases of diabetes in the United States. Type 2 diabetes accounts for most of the other cases. Both types of diabetes are more likely in people that have certain genes. Having a family member with diabe... |
sciq | sciq_01_01110 | What phase of a human life does not have a definite starting point? | [
"adolescence",
"adulthood",
"childhood",
"death"
] | B | Adulthood does not have a definite starting point. A person may be physically mature by age 16 or 17 but not defined as an adult by law until older ages. In the U. S. , you can’t join the armed forces or vote until age 18. You can’t buy or use alcohol or take on many legal and financial responsibilities until age 21. |
medmcqa | medmcqa_05_03910 | Most common type of meniscal injury is | [
"Anterior horn tear of Lateral meniscus",
"Anterior horn tear of Medial meniscus",
"Bucket handle type tear of Lateral meniscus",
"Bucket handle type tear of Medial meniscus"
] | D | Medial Vs Lateral MenisciMedial menisciLateral menisciSemilunar shaped Semicircular shaped Larger in radius/diameter but narrower in the body and thinner in periphery Smaller in radius/diameter but wider in the body and thicker in the peripheryPosterior horn is larger than the anterior horn Anterior & Posterior horn ar... |
sciq | sciq_01_03621 | When pumping blood, the hearts of animals with very long necks must overcome what force? | [
"erosion",
"gravity",
"evolution",
"friction"
] | B | |
sciq | sciq_01_07800 | What is the largest of the sinuses? | [
"Sphenoid sinus",
"superior sagittal sinus",
"Maxillary sinus",
"Frontal sinus"
] | B | Venous Drainage of the Brain Circulation to the brain is both critical and complex (see Figure 20.37). Many smaller veins of the brain stem and the superficial veins of the cerebrum lead to larger vessels referred to as intracranial sinuses. These include the superior and inferior sagittal sinuses, straight sinus, cave... |
sciq | sciq_01_11630 | Frogs and toads have long back legs which are specialized for what action? | [
"swimming",
"jumping",
"sprinting",
"flying"
] | B | Frogs The frog order also includes toads. Unlike other amphibians, frogs and toads lack a tail by adulthood. Their back legs are also longer because they are specialized for jumping. Frogs can jump as far as 20 times their body length. That’s like you jumping more than the length of a basketball court! red-eyed tree fr... |
sciq | sciq_01_10276 | What makes the earth habitable for humans? | [
"abundance of water",
"carbonate of water",
"aridity of water",
"availability of water"
] | A | |
sciq | sciq_01_06391 | When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance? | [
"nitrogen",
"water",
"sunshine",
"air"
] | B | The male gametophyte produces flagellated sperm that must swim to the egg formed by the female gametophyte. For this reason, sexual reproduction must happen in the presence of water. Therefore, nonvascular plants tend to live in moist environments. Though the life of a nonvascular seedless plant is a cycle, this can be... |
sciq | sciq_01_09987 | The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate? | [
"compression",
"extinction",
"isolation",
"accumulation"
] | B | 47.2 | The Importance of Biodiversity to Human Life By the end of this section, you will be able to: • Identify chemical diversity benefits to humans • Identify biodiversity components that support human agriculture • Describe ecosystem services It may not be clear why biologists are concerned about biodiversity loss. ... |
medmcqa | medmcqa_05_03104 | Most common cause of maternal mortality - | [
"Anemia",
"Abortion",
"Hemorrhage",
"Infection"
] | C | Ans. is 4c' i.e., Hemorrhage Direct cause of maternal morialitv in IndiaIndirect causes contributeo Severe bleeding (25%)o Infection (15%)o Eclampsia (12%)o Obstructed labour (8%)o Unsafe abortion (13%)o Other direct causes - Ectopic pregnancy, Embolism, Anaesthesia related.o Anaemia (19%)o Malariao Heart diseases |
medmcqa | medmcqa_05_01998 | Risk of the damage to the fetus by maternal rubella is maximum if the mother gets infected in - | [
"6-12 weeks of pregnancy",
"20-24 weeks of pregnancy",
"24-28 weeks of pregnancy",
"32-36 weeks of pregnancy"
] | A | Ans. is ‘a’ i.e., 6-12 weeks of pregnancy
Congenital rubella syndrome (CRS) refers to infants born with defects secondary to intrauterine infection or who
manifest symptoms or signs of intrauterine infection sometimes after birth.
Rubella infection inhibits cell division and this is probably the reason for congenital m... |
sciq | sciq_01_03018 | What is the largest artery in the body called? | [
"aorta",
"radial",
"carotid",
"ventricular"
] | A | Flaps of tissue called valves separate the heart’s chambers. Valves keep blood flowing in just one direction through the heart. For example, a valve at the bottom of the right atrium opens to let blood flow from the right atrium to the right ventricle. Then the valve closes so the blood can’t flow back into the right a... |
sciq | sciq_01_09532 | What system of the body can specifically protect you from pathogens and other things that might make you ill? | [
"immune",
"digestion",
"muscle",
"cardiovascular"
] | A | The immune system usually protects you from pathogens and other causes of disease. When the immune system is working properly, it keeps you from getting sick. But the immune system is like any other system of the body. It can break down or develop diseases. |
sciq | sciq_01_03257 | Electromagnetic radiation behaves like particles as well as what? | [
"points",
"currents",
"waves",
"fluids"
] | C | Electromagnetic radiation behaves like particles as well as waves. This prompted Albert Einstein to develop his wave-particle theory. |
openbookqa | obqa_02_02595 | In order for trees to use sunlight they must | [
"their roots",
"the light switch",
"CPR",
"respire"
] | D | living things require respiration to use energy |
sciq | sciq_01_08744 | What can be thought of as the most biologically productive regions on earth? | [
"swamps",
"estuaries",
"coasts",
"forests"
] | B | An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the ocean. Estuaries can be thought of as the most biologically productive regions on Earth, with very high biodiversity. Estuaries are zones where land and sea come together, and wher... |
sciq | sciq_01_09227 | What are resources that don't run out? | [
"renewable resources",
"general resources",
"residual resources",
"orbital resources"
] | A | Renewable resources can be renewed as they are used. An example is timber , which comes from trees. New trees can be planted to replace those that are cut down. Sunlight is a renewable resource. It seems we will never run out of that! What are some other renewable resources?. |
sciq | sciq_01_11185 | What is the the force of attraction that holds together ions? | [
"soluble bond",
"covalent bond",
"magnetic bond",
"ionic bond"
] | D | An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. |
ARC-Easy | arc_04_01400 | Which part of the atom has a negative charge? | [
"neutron",
"nucleus",
"electron",
"proton"
] | C | null |
openbookqa | obqa_02_03902 | A monkey births live what? | [
"hares",
"younglings",
"rats",
"dogs"
] | B | a monkey births live young |
openbookqa | obqa_02_01820 | dead organisms are the source of what for decomposers? | [
"place to sleep",
"art",
"friendship",
"sustenance"
] | D | dead organisms are the source of nutrients for decomposers |
sciq | sciq_01_09429 | What is the most common cause of dwarfism? | [
"hypothyroidism",
"retinopathy",
"achondroplasia",
"deformity"
] | C | Whereas cystic fibrosis, Tay-Sachs, and phenylketonuria are all autosomal recessive disorders, achondroplasia is an autosomal dominant disorder. Achondroplasia is the most common cause of dwarfism in humans. Achondroplasia is a result of an autosomal dominant mutation in the fibroblast growth factor receptor gene 3 (FG... |
openbookqa | obqa_02_01686 | Glaciers doing what has a negative impact on the glacial environment? | [
"liquifying",
"growing",
"freezing",
"cooling"
] | A | glaciers melting has a negative impact on the glaicial environment |
math_qa | mathqa_03_03913 | a train passes a station platform in 35 sec and a man standing on the platform in 20 sec . if the speed of the train is 54 km / hr . what is the length of the platform ? | [
"228",
"240",
"225",
"166"
] | C | "speed = 54 * 5 / 18 = 15 m / sec . length of the train = 15 * 20 = 300 m . let the length of the platform be x m . then , ( x + 300 ) / 35 = 15 = > x = 225 m . answer : c" |
sciq | sciq_01_04410 | The addition of starting materials and the removal of end products prevent metabolism from reaching what state? | [
"inequality",
"equilibrium",
"imbalance",
"constant"
] | B | |
sciq | sciq_01_08116 | What is it called when a liquid displays more attraction between the liquid particles than attraction between the liquid and the glass? | [
"flexion",
"stability",
"cohesion",
"tension"
] | C | Some liquids, such as mercury, display more attraction between the liquid particles than attraction between the liquid and the glass. This is known as cohesion . The pull between the liquid particles is stronger, so the liquid pulls away from the glass. |
sciq | sciq_01_04788 | What type of gas is delivered to homes to use for cooking and heating? | [
"compounded gas",
"natural gas",
"nuetralized gas",
"fluid gas"
] | B | Natural gas is delivered to homes, where it is used for cooking and heating. Natural gas is also a major energy source for powering turbines to make electricity. Natural gas releases most of its energy as heat when it burns. The power plant is able to use this heat, either in the form of hot gases or steam, to spin tur... |
sciq | sciq_01_11446 | Oxygen reaches what veinless part of the eye by diffusing through its tear layer? | [
"membranes",
"retina",
"pupil",
"cornea"
] | D | 12.7 Molecular Transport Phenomena: Diffusion, Osmosis, and Related Processes 62. You can smell perfume very shortly after opening the bottle. To show that it is not reaching your nose by diffusion, calculate the average distance a perfume molecule moves in one second in air, given its diffusion constant D to be 1.00×1... |
medmcqa | medmcqa_05_04841 | Cuspal angulation for semi anatomic teeth is | [
"18 degrees",
"20 degrees",
"22 degrees",
"24 degrees"
] | B | 20 degrees is the cuspal angulation of semi anatomic teeth. It is wider to corresponding anatomic teeth. |
sciq | sciq_01_10411 | Differences in fitness among different members of a population can lead to what kind of selection? | [
"fluid selection",
"subliminal selection",
"natural selection",
"origin selection"
] | C | Natural selection occurs when there are differences in fitness among members of a population. |
math_qa | mathqa_03_03230 | 9 . the least number which should be added to 28523 so that the sum is exactly divisible by 3 , 5 , 7 and 8 is | [
"41",
"42",
"32",
"37"
] | D | lcm of 3 , 5 , 7 and 8 = 840 28523 ÷ 840 = 33 remainder = 803 hence the least number which should be added = 840 - 803 = 37 answer : option d |
openbookqa | obqa_02_04907 | Illness has a negative impact on the health of what? | [
"rocks",
"bricks",
"llamas",
"plastics"
] | C | illness has a negative impact on an organism 's health |
sciq | sciq_01_04538 | There is always a slightly negative pressure within what cavity, helping keep the airways of the lungs open? | [
"spinal",
"anal",
"cervical",
"thoracic"
] | D | There is always a slightly negative pressure within the thoracic cavity, which aids in keeping the airways of the lungs open. During inhalation, volume increases as a result of contraction of the diaphragm, and pressure decreases (according to Boyle’s Law). This decrease of pressure in the thoracic cavity relative to t... |
openbookqa | obqa_02_03671 | If you are having trouble seeing the TV, what can you do to see it more clearly? | [
"closing your eyes",
"moving closer",
"eating",
"dying"
] | B | as the size of an object appears larger , that object will be observed better |
sciq | sciq_01_02401 | A minority of people on earth use up most of the planet's what, including energy? | [
"resources",
"sand",
"air",
"water"
] | A | Of course not. A minority of people use most of the world’s energy and other resources. Not only are their needs met, but they have many luxuries. Many other people lack resources. Many don’t have enough to eat or live, with the threat of hunger. Many also do not have safe, clean water. Some people live in crowded, run... |
sciq | sciq_01_03236 | Chemists use simple diagrams to show an atom’s valence electrons and how they do what? | [
"react",
"bond",
"transfer",
"escape"
] | C | Lewis Diagrams Chemists use simple diagrams to show an atom’s valence electrons and how they transfer. These diagrams have two advantages over the electron shell diagrams introduced in Chapter 2 "Elements, Atoms, and the Periodic Table". First, they show only valence electrons. Second, instead of having a circle around... |
ARC-Easy | arc_04_00533 | Which of the following is a reason life in the outermost planets is less likely than life on planets nearer the Sun? | [
"They have too little mass.",
"They have too much mass.",
"Their surfaces are extremely hot.",
"Their surfaces are extremely cold."
] | D | null |
sciq | sciq_01_09443 | What is the sac-like organ of the body that is important for both mechanical and chemical digestion? | [
"kidney",
"stomach",
"spleen",
"gall bladder"
] | B | The stomach is a sac-like organ in which food is further digested both mechanically and chemically. (To see an animation of how the stomach digests food, go to the link below. ) Churning movements of the stomach’s thick, muscular walls complete the mechanical breakdown of food. The churning movements also mix food with... |
sciq | sciq_01_09632 | What organs need constant pressure to filter the blood? | [
"kidneys",
"dialysis",
"arteries",
"lungs"
] | A | The kidneys also need constant pressure to filter the blood. When the blood pressure drops too low, the kidneys increase the pressure. One way is by producing angiotensin, a blood vessel-constricting protein. This protein also signals the body to retain sodium and water. Together, the constriction of blood vessels and ... |
sciq | sciq_01_07572 | What are required when the damage from trauma or infection cannot be closed with sutures or staples? | [
"tree grafts",
"debris grafts",
"skin grafts",
"bone grafts"
] | C | Skin grafts are required when the damage from trauma or infection cannot be closed with sutures or staples. Watch this video (http://openstaxcollege. org/l/skingraft) to learn more about skin grafting procedures. |
medmcqa | medmcqa_05_04458 | Wisdom tooth erupts at which age - | [
"6-8 years",
"10-12 years",
"12-15 years",
"17-20 years"
] | D | Ans. is 'd' i.e., 17-20 years o Wisdom teeth are permanent third molarsEruption of temporary teeth(Primary dentition)ToothAge in range (months)Average age (months)Lower CI6-87Upper CI7-98Uppler LI7-98Lower LI10-12111 molar12-1413Canine17-1817[?]5II molar20-3025 Eruption of permanent teeth(Secondary dentition) Age in ra... |
openbookqa | obqa_02_00560 | Seeing stars may become more difficult as | [
"stars are condensed in the sky",
"a greater amount of light is condensed in an area",
"floodlights are used at sea",
"spaceships begin to hover over earth"
] | B | as light pollution increases , seeing the stars will be harder |
sciq | sciq_01_07215 | What kind of surface would cause diffusion when light is reflected off of it? | [
"cold surfaces",
"smooth surfaces",
"hot surfaces",
"rough surfaces"
] | D | The angle of reflection equals the angle of incidence. A mirror has a smooth surface and reflects light at specific angles. Light is diffused when it reflects from a rough surface. Mirror images can be photographed and videotaped by instruments. |
openbookqa | obqa_02_04262 | What has more mass than the moon? | [
"your home planet",
"Skylab",
"the Atlantic ocean",
"pluto"
] | A | the earth has more mass than the moon |
sciq | sciq_01_02808 | Plant-like protists produce oxygen through which process? | [
"respiration",
"glycolysis",
"photosynthesis",
"metamorphosis"
] | C | Plant-like protists are essential to the ecosystem. They are the base of the marine food chain, and they produce oxygen through photosynthesis for animals to breathe. They are classified into a number of basic groups ( Table below ). |
medmcqa | medmcqa_05_00050 | In human body, the action of surfactant is done by | [
"Sugar & salt",
"Soap & water",
"Lipid and protein",
"Base and lipid"
] | C | Dipalmitoylphoshatidylcholine is a phospholipid which along with proteins acts as surfactant. |
medmcqa | medmcqa_05_03321 | First BCG vaccine is prepared from | [
"Mycobacterium tuberculosis",
"Mycobacterium bovis",
"Mycobacterium kansasii",
"Mycobacterium scrofulaceum"
] | B | (B) Mycobacterium bovis > Calmette and Guerin, two French scientists began attenuating a virulent strain of M. bovis in 1906, with a view to develop a vaccine against tuberculosis. After 230 subcultures over a period of 13 years, they were able to evolve a strain - known as bacille Calmette Guerin or BCG - which was av... |
sciq | sciq_01_07029 | A crater can usually be found on the top of what kind of volcanoes? | [
"Shield",
"composite",
"Dome",
"Compound"
] | B | Composite volcanoes usually have craters on the top. Why are the craters sometimes “U” or horseshoe-shaped?. |
sciq | sciq_01_06327 | Along with other elements, most ores are made of what? | [
"coal",
"crystals",
"metal",
"sodium"
] | C | When the ore leaves the mine, it is not yet a useful material ( Figure below ). Most ores are a combination of metal and other elements. The rocks are full of valuable minerals. They also contain rock that isn't valuable, which is called waste rock. The valuable minerals must be separated from the waste rock. |
sciq | sciq_01_07503 | What does magma that cools underground form? | [
"instrusions",
"fluctuations",
"chambers",
"new crust"
] | A | Magma that cools underground forms intrusions ( Figure below ). Intrusions become land formations if they are exposed at the surface by erosion. |
math_qa | mathqa_03_04913 | a can give b 100 meters start and c 150 meters start in a kilometer race . how much start can b give c in a kilometer race ? | [
"10.55 meters",
"11.55 meters",
"33.55 meters",
"55.55 meters"
] | D | "explanation : a runs 1000 meters while b runs 900 meters and c runs 850 meters . therefore , b runs 900 meters while c runs 850 meters . so , the number of meters that c runs when b runs 1000 meters = ( 1000 x 850 ) / 900 = 944.44 meters thus , b can give c ( 1000 - 944.44 ) = 55.55 meters start answer : d" |
medmcqa | medmcqa_05_03711 | Maximum permissible radiation dose in pregnancy is – | [
"0.5 rad",
"1.0 rad",
"1.5 rad",
"2 rad"
] | A | Maximum permissible dose in pregnancy is 5 mSv (0.5 rem).
Rem = Rad x Quality factor.
Main radiation exposure during pregnancy can be by X-rays (radiography or CT), and the quality factor of X-rays is 1.
That means Rem = Rad.
Therefore, the maximum permissible dose in pregnancy is 0.5 rem or 0.5 rad. |
openbookqa | obqa_02_03706 | If a field is planted with something that will be sold later in the refrigerated section, then that something was intended to be consumed by | [
"elephants",
"toddlers",
"bears",
"bees"
] | B | humans eat crops |
math_qa | mathqa_03_00856 | how many digits are required to number a book containing 260 pages ? | [
"784",
"672",
"492",
"372"
] | B | "9 pages from 1 to 9 will require 9 digits . 90 pages from 10 to 99 will require 90 * 2 = 180 digits . 260 - ( 90 + 9 ) = 161 pages will require 161 * 3 = 483 digits . the total number of digits is 9 + 180 + 483 = 672 . the answer is b ." |
openbookqa | obqa_02_02841 | A sky that is mostly this color will likely be precipitating: | [
"yellow",
"gold",
"blue",
"gray"
] | D | grey clouds are a source of precipitation |
sciq | sciq_01_06820 | Living things evolve what characteristics that make them better suited for their environment? | [
"instincts",
"adaptations",
"mutations",
"reflexes"
] | B | As living things evolve, they generally become better suited for their environment. This is because they evolve adaptations. An adaptation is a characteristic that helps a living thing survive and reproduce in a given environment. Look at the mole in Figure below . It has tentacles around its nose that it uses to sense... |
math_qa | mathqa_03_03239 | a shopkeeper has 280 kg of apples . he sells 50 % of these at 20 % profit and remaining 60 % at 30 % profit . find his % profit on total . | [
"24 %",
"25 %",
"26 %",
"28 %"
] | D | "if the total quantity was 100 then 50 x 20 % + 60 x 30 % = 28 this profit will remain same for any total quantity unless the % of products remains the same . hence ' d ' is the answer" |
sciq | sciq_01_05596 | Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what? | [
"conserved",
"sequences",
"invisible",
"endless"
] | A | Introduction to Linear Momentum and Collisions We use the term momentum in various ways in everyday language, and most of these ways are consistent with its precise scientific definition. We speak of sports teams or politicians gaining and maintaining the momentum to win. We also recognize that momentum has something t... |
sciq | sciq_01_04709 | What layer of skin is located right beneath the epidermis? | [
"dermis",
"humus",
"cusps",
"scars"
] | A | The dermis is the lower layer of the skin, located directly beneath the epidermis (see Figure below ). It is made of tough connective tissue and attached to the epidermis by collagen fibers. The dermis contains blood vessels and nerve endings. Because of the nerve endings, skin can feel touch, pressure, heat, cold, and... |
openbookqa | obqa_02_00394 | A man is burned in an accident on the road, which means that at one point he was | [
"exposed to extreme heat",
"frozen in an ice storm",
"crashed into a helicopter",
"melted by molten lava"
] | A | if a body part was burned then that body part was exposed to a lot of heat energy |
math_qa | mathqa_03_01621 | a worker ' s take - home pay last year was the same each month , and she saved the same fraction of her take - home pay each month . the total amount of money that she had saved at the end of the year was 5 times the amount of that portion of her monthly take - home pay that she did not save . if all the money that she... | [
"2 / 11",
"3 / 14",
"5 / 17",
"7 / 20"
] | C | "let x be the fraction of her take - home pay that the worker saved . let p be the monthly pay . 12 xp = 5 ( 1 - x ) p 12 xp = 5 p - 5 xp 17 xp = 5 p x = 5 / 17 the answer is c ." |
ARC-Challenge | arc_04_02841 | A solution with a pH of 2 can be increased to a pH above 7 by adding | [
"an acid.",
"water.",
"a base.",
"hydrogen."
] | C | null |
sciq | sciq_01_05638 | What gas do the lungs give up as they take in oxygen? | [
"nitrogen",
"carbon dioxide",
"methane",
"carbon monoxide"
] | B | Pulmonary circulation is the part of the circulatory system that carries blood between the heart and lungs (the term “pulmonary” means “of the lungs”). It is illustrated in Figure below . Deoxygenated blood leaves the right ventricle through pulmonary arteries, which transport it to the lungs. In the lungs, the blood g... |
ARC-Challenge | arc_04_02225 | When a mirror is placed by a fish bowl with a beta fish swimming inside, the beta fish sees what appears to be another fish. This occurs because of | [
"absorption.",
"refraction.",
"reflection.",
"diffraction."
] | C | null |
math_qa | mathqa_03_04508 | on a map , 1.5 inches represent 24 miles . how many miles approximately is the distance if you measured 45 centimeters assuming that 1 - inch is 2.54 centimeters ? | [
"174.2",
"212",
"283",
"296"
] | C | "1.5 inch = 2.54 * 1.5 cm . so , 2.54 * 1.5 represents 24 miles . so for 45 cm . : 45 / ( 2.54 * 1.5 ) = x / 24 - - - > x = 24 * 45 / ( 3.81 ) = 283 answer will be c ." |
math_qa | mathqa_03_01617 | on a map , 1.5 inches represent 24 miles . how many miles approximately is the distance if you measured 46 centimeters assuming that 1 - inch is 2.54 centimeters ? | [
"174.2",
"212",
"288.1",
"290"
] | D | "1.5 inch = 2.54 * 1.5 cm . so , 2.54 * 1.5 represents 24 miles . so for 46 cm . : 46 / ( 2.54 * 1.5 ) = x / 24 - - - > x = 24 * 46 / ( 3.81 ) = 290 answer will be d ." |
medmcqa | medmcqa_05_00051 | Cyanide affects respiratory chain by ? | [
"Non-competitive reversible inhibition",
"Competitive reversible inhibition",
"Suicide irreversible inhibition",
"Non-competitive irreversible inhibition"
] | D | Ans. is 'd' i.e., Non-competitive irreversible inhibition Cyanide inhibits cytochrome oxidase (respiratory chain) irreversibly, and non-competitively. Types of enzyme inhibition Enzyme inhibition is of two types :? Reversible and Irreversible Reversible inhibition Reversible inhibition may be of following types :? i) C... |
ARC-Challenge | arc_04_02943 | Which location on Earth has the least intense sunlight on December 22? | [
"Equator",
"Florida",
"Maine",
"North Pole"
] | D | null |
medmcqa | medmcqa_05_02744 | IDDM patient presents with septal perforation of nose with brownish black discharge, probable diagnosis is: | [
"Rhinosporidiosis",
"Aspergillus",
"Leprosy",
"Mucormycosis"
] | D | Mucormycosis is fungal infection of nose and paranasal sinuses which may prove rapidly fatal if untreated. It is seen in uncontrolled diabetes or in those taking immunosuppressive drugs. It presents as black necrotic mass filling the nasal cavity and eroding the septum and hard palate. Treatment is by amphotericin B an... |
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