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_01776 | The atmosphere is made of 78% what? | [
"N",
"fire",
"clouds",
"wind"
] | A | the atmosphere is made of 78% nitrogen |
ARC-Easy | arc_04_00524 | Which of the following is a characteristic of all chemical changes? | [
"A different state of matter is produced.",
"Some mass is converted to energy.",
"Some form of light is given off.",
"A new material is formed."
] | D | null |
math_qa | mathqa_03_00475 | what least number must be subtracted from 427398 so that remaining number is divisible by 15 | [
"3",
"5",
"7",
"9"
] | A | "explanation : on dividing 427398 by 15 we get the remainder 3 , so 3 should be subtracted answer : option a" |
sciq | sciq_01_10291 | Which material used in oxyacetylene torches helps cut and weld metals? | [
"acetylene",
"dioxide",
"sulfur",
"carbon"
] | A | Note Acetylene is used in oxyacetylene torches for cutting and welding metals. The flame from such a torch can be very hot. Most acetylene, however, is converted to chemical intermediates that are used to make vinyl and acrylic plastics, fibers, resins, and a variety of other products. |
math_qa | mathqa_03_00338 | for any number y , y * is defined as the greatest positive even integer less than or equal to y . what is the value of 7.2 – 7.2 * ? | [
"1.2",
"0.2",
"1.8",
"2.2"
] | A | since y * is defined as the greatest positive even integer less than or equal to y , then 7.2 * = 6 ( the greatest positive even integer less than or equal to 7.2 is 6 ) . hence , 7.2 – 7.2 * = 7.2 - 6 = 1.2 answer : a . |
sciq | sciq_01_02062 | What can be used to speed up biochemical reactions? | [
"hormones",
"enzymes",
"proteins",
"carbohydrates"
] | B | pH values for several common materials are listed. |
medmcqa | medmcqa_05_01951 | Persistent diarrhoea is due to: | [
"EAEC",
"EPEC",
"EIEC",
"ETEC"
] | A | Persistent diarrhoea is due to EAEC (Enteroaggregative Escherichia coli). option 1 EAEC: Persistent diarrhea in developing countries. option 2 EPEC- Infantile diarrhea. Option 3 EIEC- ulceration of bowel, dysentery (resembling shigellosis). option 4 ETEC- most common cause of traveler's diarrhea. |
openbookqa | obqa_02_00341 | Which of these would let the most heat travel through? | [
"a cotton candy at the store",
"the new pair of jeans",
"the steel spoon in the cafeteria",
"a calvin klein cotton hat"
] | C | metal is a thermal conductor |
ARC-Challenge | arc_04_02693 | What compound is formed when the soft putty-like metal sodium (Na) reacts with the green-colored poisonous gas chlorine (Cl_{2})? | [
"sugar",
"table salt",
"sulfuric acid",
"sodium hydroxide"
] | B | null |
sciq | sciq_01_07487 | What does cartilage lack compared to bones, making it softer and less rigid? | [
"magnesium",
"calcium",
"potassium",
"protein"
] | B | Skeletons made of cartilage rather than bone. Cartilage is supportive tissue that does not have as much calcium as bones, which makes bones rigid. Cartilage is softer and more flexible than bone. |
sciq | sciq_01_08787 | What model describes the structure of the plasma membrane as a mosaic of components? | [
"solid mosaic model",
"coolant mosaic model",
"fluid mosaic model",
"sensors mosaic model"
] | C | Fluid Mosaic Model In 1972, S. Singer and Garth L. Nicolson proposed a new model of the plasma membrane that, compared to earlier understanding, better explained both microscopic observations and the function of the plasma membrane. This was called the fluid mosaic model. The model has evolved somewhat over time, but s... |
openbookqa | obqa_02_04470 | Which substance is likely present for the birth of a mountain? | [
"venom",
"peat",
"magma",
"sunlight"
] | C | mountains are formed by volcanoes |
medmcqa | medmcqa_05_04939 | Dysmenorrhoea is due to ? | [
"Ovulation",
"Decreased progesterone",
"Increasedprogesterone",
"Secretoryepithelium"
] | B | Ans. is'b'i.e., Decreased progesteroneDysmenorrhoea refers to painful cramping pain accompanying menstruation.Dysmenorrhoea in ovulatory cycle is due to release of PGs, in endometrium induced by progesteroneDysmenorrhoea is classified into :Primary dysmenorrhoea refers to one that is not associated with any identifiabl... |
ARC-Challenge | arc_04_02798 | Which type of activity would most likely be included on a weather map? | [
"satellite",
"seismic",
"volcanic",
"hurricane"
] | D | null |
math_qa | mathqa_03_02961 | two brothers took the gmat exam , the higher score is x and the lower one is y . if the difference between the two scores 1 / 4 , what is the value of y / x ? | [
"3 .",
"2 .",
"1 / 5",
"1 / 3 ."
] | C | "answer is c : 1 / 5 x - y = ( x + y ) / 4 solving for y / x = 1 / 5" |
openbookqa | obqa_02_02106 | Which of the following is more likely to insulate from electricity? | [
"a soda can",
"a brick wall",
"aluminum foil",
"a paint can"
] | B | brick is an electrical insulator |
openbookqa | obqa_02_03787 | What to humans do that causes animals to lose their habitats? | [
"make apartments",
"take walks",
"sing songs",
"eat corn"
] | A | humans moving into an environment usually causes native species to lose their habitats |
sciq | sciq_01_10608 | Water is allowed to flow downhill into a large turbine to harness power. what helps the turbine spin? | [
"electrostatic energy",
"kinetic energy",
"polar energy",
"residual energy"
] | B | To harness water power, a stream must be dammed. Narrow valleys are the best for dams. While sitting in the reservoir behind the dam, the water has potential energy. Water is allowed to flow downhill into a large turbine. While flowing downhill, the water has kinetic energy. Kinetic energy makes the turbine spin. The t... |
openbookqa | obqa_02_01047 | Humans contribute to environmental pollution | [
"by purchasing products made from recycled products",
"by switching to energy efficient appliances",
"by leaving behind refuse on public beaches",
"by frequently recycling paper and plastic"
] | C | pollution is when humans pollute the environment with pollutants |
sciq | sciq_01_08982 | What is it called when the soils of the arctic tundra remain in a perennially frozen state? | [
"concentrated freeze",
"permafrost",
"permafreeze",
"glacial domination"
] | B | Arctic Tundra The Arctic tundra lies north of the subarctic boreal forest and is located throughout the Arctic regions of the northern hemisphere (Figure 44.12). The average winter temperature is -34 °C (-34 °F) and the average summer temperature is from 3 °C to 12 °C (37 °F–52 °F). Plants in the arctic tundra have a v... |
openbookqa | obqa_02_00885 | Where does a lightbulb send electricity to generate heat? | [
"glass sphere",
"plastic circle",
"block of metal",
"metal thread"
] | D | an incandescent light bulb converts electricity into heat by sending electricity through a filament |
openbookqa | obqa_02_04841 | Like humans, when some animals get hot, they do what in order to lower their body temperature | [
"spend money",
"raise blood temperature",
"fly away",
"perspire"
] | D | sweat is used for adjusting to hot temperatures by some animals |
sciq | sciq_01_09123 | Producers, primary consumers, higher-level consumers, and decomposers are levels in what? | [
"food flowchart",
"food model",
"energy chain",
"food chain"
] | D | Food Chains and Food Webs A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another; the levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers. These levels are used to describe ecosystem structure and dynamic... |
sciq | sciq_01_01500 | Bread has little holes in it from carbon dioxide produced by what? | [
"bacteria",
"sugar",
"yeast",
"water"
] | C | Bread has little holes in it from carbon dioxide produced by yeast. |
medmcqa | medmcqa_05_04566 | In Budd Chiari syndrome, the site of venous thrombosis is : | [
"Infrahepatic inferior vena cava",
"Infrarenal inferior vena cava",
"Hepatic veins",
"Poal veins"
] | C | Answer is C (Hepatic vein): Budd chiari syndrome is characterized by post sinusoidal obstruction outside the liver at the level of hepatic veins |
sciq | sciq_01_02948 | The thermal properties of what substance largely contribute to the temperature climate of europe? | [
"lava",
"water",
"soil",
"clouds"
] | B | mass, water should be a gas at room temperature (20°C), but the strong intermolecular interactions in liquid water greatly increase its boiling point. Hydrogen bonding also produces the relatively open molecular arrangement found in ice, which causes ice to be less dense than water. Because ice floats on the surface of... |
sciq | sciq_01_04762 | The prostate gland secretes a fluid that mixes with sperm to help form what? | [
"testosterone",
"hormone",
"urine",
"semen"
] | D | The prostate gland secretes a fluid that mixes with sperm to help form semen. The prostate gland is located beneath the bladder. Semen is a "milky" liquid that carries sperm through the urethra and out of the body. In addition to sperm cells, semen contains sugars (fructose) which provide energy to the sperm cells, and... |
sciq | sciq_01_04449 | What is the measure of an individual’s weight-to-height ratio called? | [
"body matter index (bmi)",
"density index (di)",
"body density index (bdi)",
"body mass index (bmi)"
] | D | Metabolism and Obesity Obesity in the United States is epidemic. The rate of obesity has been steadily rising since the 1980s. In the 1990s, most states reported that less than 10 percent of their populations was obese, and the state with the highest rate reported that only 15 percent of their population was considered... |
medmcqa | medmcqa_05_04342 | Strength of gypsum can be measured with: | [
"Vicat needle",
"Gillmore needle",
"Kreb's penetrometer",
"Universal testing machine"
] | D | A typical universal testing machine can analyze materials in tension, compression, or shear. |
sciq | sciq_01_09747 | All cells need what for energy? | [
"glucose",
"insulin",
"oxygen",
"light"
] | A | Glucose is a substance that passes across cell membranes by facilitated diffusion. All cells need glucose for energy. |
openbookqa | obqa_02_00101 | Canyons are generally old, huge, and breathtaking and are | [
"brimming to full with sand",
"filled with local wildlife",
"dirty and muddy inside",
"typically materialized with stone"
] | D | a canyon is made of rocks |
math_qa | mathqa_03_03277 | 1907 x 1907 = ? | [
"a",
"b",
"c",
"d"
] | D | "1907 x 1907 = ( 1907 ) 2 = ( 1900 + 7 ) 2 = ( 1900 ) 2 + ( 7 ) 2 + ( 2 x 1900 x 7 ) = 3610000 + 49 + 26600 . = 3636649 . d )" |
openbookqa | obqa_02_01730 | By hiding from creatures who crave the taste of their sweet flesh | [
"mice will be able to free Aslan",
"some mice are able to have offspring",
"predator missiles can hunt their target",
"a field of mice can die of disease"
] | B | avoiding predators has a positive impact on prey 's ability to reproduce |
math_qa | mathqa_03_03371 | the cricket team of 11 members is 24 yrs old & the wicket keeper is 3 yrs older . if the ages ofthese 2 are excluded , the average age of theremaining players is 1 year less than the average age of the whole team . what is the average age of the team ? | [
"21",
"22",
"23",
"25"
] | A | "let the average age of the whole team be x years . 11 x - ( 24 + 27 ) = 9 ( x - 1 ) = > 11 x - 9 x = 42 = > 2 x = 42 = > x = 21 . so , average age of the team is 21 years . a" |
sciq | sciq_01_01908 | If humans were to artificially intervene and fertilize the egg of a bald eagle with the sperm of an african fish eagle and a chick did hatch, that offspring, called a hybrid (a cross between two species), would probably be this? | [
"infertile",
"nonviable",
"mutated",
"fertile"
] | A | In other cases, individuals may appear similar although they are not members of the same species. For example, even though bald eagles (Haliaeetus leucocephalus) and African fish eagles (Haliaeetus vocifer) are both birds and eagles, each belongs to a separate species group (Figure 18.10). If humans were to artificiall... |
sciq | sciq_01_05126 | Crystallization separates mixtures based on differences in what, which usually increases with temperature? | [
"viscosity",
"humidity",
"solubility",
"density"
] | C | Crystallization separates mixtures based on differences in solubility, a measure of how much solid substance remains dissolved in a given amount of a specified liquid. Most substances are more soluble at higher temperatures, so a mixture of two or more substances can be dissolved at an elevated temperature and then all... |
sciq | sciq_01_06199 | Sulfur can combine with oxygen to produce what? | [
"sulfur oxide",
"sulfur bioxide",
"sulfur trioxide",
"sulfur dioxide"
] | C | When nonmetals react with one another, the product is a molecular compound. Often, the nonmetal reactants can combine in different ratios and produce different products. Sulfur can also combine with oxygen to produce sulfur trioxide. |
math_qa | mathqa_03_01435 | ( 1000 ) 7 ÷ ( 10 ) 15 = ? | [
"10",
"100",
"1000000",
"10000"
] | C | "explanation : = ( 103 ) 7 / ( 10 ) 15 = ( 10 ) 21 / ( 10 ) 15 = 10 ( 6 ) = 1000000 option c" |
sciq | sciq_01_05614 | What type of transport occurs when substances cross the plasma membrane without any input of energy from the cell? | [
"physical transport",
"wave diffusion",
"passive transport",
"active transport"
] | C | Passive transport occurs when substances cross the plasma membrane without any input of energy from the cell. No energy is needed because the substances are moving from an area where they have a higher concentration to an area where they have a lower concentration. Concentration refers to the number of particles of a s... |
openbookqa | obqa_02_03001 | What are some birds? | [
"people",
"creature eaters",
"fish",
"solar"
] | B | some birds are predators |
sciq | sciq_01_06325 | What is the distance north or south of the equator called? | [
"latitude",
"longitude",
"inclination",
"Prime Meridian"
] | A | Latitude is the distance north or south of the equator. It’s measured in degrees, from 0° to 90°. Several climate factors vary with latitude. |
math_qa | mathqa_03_02555 | an air - conditioning unit costs $ 470 . on december there was a discount for christmas of 16 % . 6 months later , the holiday season was over so the company raised the price of the air - conditioning by 12 % . how much will an air - conditioning unit cost in november ? | [
"$ 442",
"$ 470",
"$ 472",
"$ 484"
] | A | if its previous november ( before discount ) then price is $ 470 . but if its november of next year then 16 % discount on $ 470 = 470 ( 1 - 16 / 100 ) = $ 394.8 again a corrected raised price of 12 % over $ 394.8 = 394.8 ( 1 + 12 / 100 ) = 442.176 ~ $ 4442 ans a |
sciq | sciq_01_09345 | What process do all species use to make the next generation? | [
"separation",
"differentiation",
"reproduction",
"variation"
] | C | All living things reproduce to make the next generation. Organisms that do not reproduce will go extinct. As a result, there are no species that do not reproduce ( Figure below ). Some organisms reproduce asexually ( asexual reproduction ), especially single-celled organisms, and make identical copies (or clones) of th... |
math_qa | mathqa_03_04098 | the speed of a boat in still water in 65 km / hr and the rate of current is 15 km / hr . the distance travelled downstream in 25 minutes is : | [
"55.55 km",
"44.44 km",
"33.33 km",
"22.22 km"
] | C | "explanation : speed downstream = ( 65 + 15 ) = 80 kmph time = 25 minutes = 25 / 60 hour = 5 / 12 hour distance travelled = time × speed = ( 2 / 5 ) × 80 = 33.33 km answer : option c" |
sciq | sciq_01_10311 | What are algae that live in colonies of hundreds of cells called? | [
"volvox",
"rhodophyta",
"chlorophyta",
"euglenids"
] | A | Some single-celled organisms, such as algae, live in colonies. A colony is an organized structure composed of many cells, like the Volvox sphere in Figure below . Volvox are algae that live in colonies of hundreds of cells. All of the cells in the colony live and work cooperatively. For example, they can coordinate the... |
sciq | sciq_01_05681 | What is regulated by the reticular formation? | [
"wakefulness",
"awkwardness",
"sleepiness",
"anxiousness"
] | A | Wakefulness is regulated by the reticular formation, which is present in the. |
sciq | sciq_01_08663 | Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what? | [
"cancer",
"dutch elm disease",
"carbon dioxide",
"beetles"
] | B | Dutch elm trees used to be common, beautiful trees in the United States. Now most of them, like this tree, have been killed by Dutch elm disease. Dutch elm disease is caused by a fungus. This is just one example of how fungi can interact with other species. |
ARC-Challenge | arc_04_02820 | Daffodils are plants that can perform both asexual and sexual reproduction. How does a daffodil population benefit more by reproducing sexually than asexually? | [
"It can reproduce more rapidly.",
"It can adapt faster to its environment.",
"It can increase the diversity of inherited traits.",
"It can eliminate unfavorable traits from the gene pool."
] | C | null |
sciq | sciq_01_01931 | Radiotherapy is effective against cancer because cancer cells reproduce rapidly and, consequently, are more sensitive to this? | [
"destruction",
"separation",
"UV light",
"radiation"
] | D | Radiotherapy is effective against cancer because cancer cells reproduce rapidly and, consequently, are more sensitive to radiation. The central problem in radiotherapy is to make the dose for cancer cells as high as possible while limiting the dose for normal cells. The ratio of abnormal cells killed to normal cells ki... |
sciq | sciq_01_09300 | A membrane has what property if it can control what molecules or ions enter or leave the cell? | [
"selective permeability",
"impermeability",
"susceptible permeability",
"indiscreet permeability"
] | A | Probably the most important feature of a cell’s phospholipid membranes is that they are selectively permeable or semipermeable . A membrane that is selectively permeable has control over what molecules or ions can enter or leave the cell, as shown in Figure below . The permeability of a membrane is dependent on the org... |
openbookqa | obqa_02_03603 | refraction is when light bends and when it stops producing light after hitting something its its | [
"sleeping",
"smelting",
"absorbtion",
"cooking"
] | C | refraction is when light bends |
math_qa | mathqa_03_02258 | a two - digit number is such that the product of the digits is 8 . when 18 is added to the number , then the digits are reversed . the number is ? | [
"1",
"2",
"6",
"8"
] | B | let the ten ' s and unit digit be x and 8 respectively . x then , 10 x + 8 + 18 = 10 x 8 + x x x 10 x 2 + 8 + 18 x = 80 + x 2 9 x 2 + 18 x - 72 = 0 x 2 + 2 x - 8 = 0 ( x + 4 ) ( x - 2 ) = 0 x = 2 option b |
sciq | sciq_01_01871 | How does a reduced sweating ability affect elderly people? | [
"less energy",
"extreme tiredness",
"extreme heat intolerance",
"loss of mental ability"
] | C | The accessory structures also have lowered activity, generating thinner hair and nails, and reduced amounts of sebum and sweat. A reduced sweating ability can cause some elderly to be intolerant to extreme heat. Other cells in the skin, such as melanocytes and dendritic cells, also become less active, leading to a pale... |
ARC-Challenge | arc_04_03111 | Which of the following is an example of the formation of a mixture? | [
"rust forming on an iron nail",
"sugar crystals dissolving in water",
"sodium and chlorine forming table salt",
"hydrogen and oxygen reacting to produce water"
] | B | null |
sciq | sciq_01_11061 | What organ is divided into the duodenum, the jejunum, and the ileum? | [
"lung",
"kidney",
"large intestine",
"small intestine"
] | D | Most chemical digestion and nearly all absorption of nutrients take place in the small intestine. This organ consists of three parts: duodenum, jejunum, and ileum. |
sciq | sciq_01_02224 | What do you call the type of molecular signals that include insulin and that help regulate a number of biochemical processes? | [
"nerves",
"acids",
"hormones",
"enzymes"
] | C | Hormones – Hormones are molecular signals that help regulate a number of biochemical processes. Single amino acids and short protein chains are very common types of hormones. For example, insulin is a protein hormone that regulates the amount of glucose present in the bloodstream. |
medmcqa | medmcqa_05_04907 | Contrast media used in ultrasound is | [
"Ultraffin",
"Hexanol",
"Urograffin",
"Echovist"
] | D | D. i.e. (Echovist) (39- 42 - Textbook of colour Doppler Imaging S.K. Bhargava)* Iohexol used in Myelography*** Contrast agent (ECHOVIST) have been used to evaluate tubal potency in infertility and ureteric reflux in children with renal tract infectionsContrast agents in Ultrasound* Contrast agents increases shift frequ... |
sciq | sciq_01_06455 | A non-bony skeleton that forms outside of the body is known as a what? | [
"excitoskeleton",
"exoskeleton",
"exoplate",
"endoskeleton"
] | B | One way early land invertebrates solved these problems was with an exoskeleton. This is a non-bony skeleton that forms on the outside of the body. It supports the body and helps it retain water. As the organism grows, it sheds its old exoskeleton and grows a new one. Figure below shows the discarded exoskeleton of a dr... |
sciq | sciq_01_09408 | What is produced by the sebaceous glands? | [
"sperm",
"progesterone",
"sebum",
"pheromone"
] | C | Structures in the dermis include hair follicles and sebaceous glands, which produce sebum. |
sciq | sciq_01_11149 | How many pairs of legs does a millipede have per body segment? | [
"eight",
"four",
"one",
"two"
] | D | Most millipedes are slower than centipedes and feed on leaf litter and loose organic material. They can be distinguished from centipedes by looking at the number of legs per body segment. Millipedes have two pairs of legs per body segment, while centipedes have a single pair of legs per body segment. Millipedes protect... |
sciq | sciq_01_09806 | How many miles is the distance between the earth and sun? | [
"82",
"91",
"93",
"78"
] | C | The distance between the Earth and the Sun is about 93 million miles, or 150 million kilometers. Earth revolves around the Sun at an average speed of about 27 kilometers (17 miles) per second. Mercury and Venus are closer to the Sun, so they take shorter times to make one orbit. Mercury takes only about 88 Earth days t... |
sciq | sciq_01_07446 | What were the first life forms found on earth similar to? | [
"mold",
"bacteria",
"ferns",
"viruses"
] | B | Life on Earth began about 3.5 to 4 billion years ago. The first life forms were single-celled organisms similar to bacteria. The first multicellular organisms did not appear until about 610 million years ago. Many different types of organisms evolved during the next ten million years, in an event called the Cambrian Ex... |
sciq | sciq_01_00899 | Competition is a relationship between organisms that depend on the same resources. the resources might be food, water, or what? | [
"thought",
"time",
"language",
"space"
] | D | Competition is a relationship between organisms that depend on the same resources. The resources might be food, water, or space. Competition can occur between organisms of the same species or between organisms of different species. |
medmcqa | medmcqa_05_03580 | Which of the following enzymes is known as 'suicide enzyme'? | [
"Cyclooxygenase",
"Lipoxygenase",
"Phospholipase C",
"Xanthine oxidase"
] | A | Cyclooxygenase can switch off the synthesis of prostaglandins by undergoing self-catalysed destruction. That is why this enzyme is known as suicidal enzyme. (Do not confuse this with suicidal inhibition). Cyclooxygenase aka prostaglandin H synthase Bifunctional enzyme with two activities - cyclooxygenase and peroxidase... |
ARC-Easy | arc_04_01676 | Which of these is the main contributor to the formation of hurricanes? | [
"high barometric pressure",
"warm ocean air",
"calm ocean surface",
"dense surface air"
] | B | null |
sciq | sciq_01_08112 | How does the liquid in a thermometer respond to heat or cold? | [
"rises or vaporizes",
"freezes or boils",
"expands or contracts",
"disappears"
] | C | Many thermometers measure temperature with a liquid that expands when it gets warmer and contracts when it gets cooler. Look at the common household thermometer pictured in the Figure below . The red liquid rises or falls in the glass tube as the temperature changes. Temperature is read off the scale at the height of t... |
math_qa | mathqa_03_03695 | a car started running at a speed of 28 km / hr and the speed of the car was increased by 2 km / hr at the end of every hour . find the total distance covered by the car in the first 10 hours of the journey . | [
"37 km",
"76 km",
"25 km",
"15 km"
] | A | "a 37 km the total distance covered by the car in the first 10 hours = 28 + 30 + 32 + 34 + 36 + 38 + 40 + 42 + 44 + 46 = sum of 10 terms in ap whose first term is 28 and last term is 46 = 10 / 2 [ 28 + 46 ] = 370 km ." |
sciq | sciq_01_06746 | What is the main sex hormone in males called? | [
"estrogen",
"caffeine",
"methane",
"testosterone"
] | D | Testosterone is the main sex hormone in males. Hormones are chemicals that control many body processes. Testosterone has two major roles:. |
medmcqa | medmcqa_05_03973 | Nephelometry measures the light? | [
"Absorbed",
"transmitted",
"Scattered",
"Refracted"
] | C | Ans. is 'c' i.e., ScatteredWhen paicles are suspended in a solution in a cuvette, they make the solution unclear (turbid). Nephelometry is concerned with measurement of scattered light from a cuvette containing suspended paicles in a dilute solution.The components of a nephelometer are the same as a light spectrophotom... |
ARC-Challenge | arc_04_02720 | Louis Pasteur created a process that reduced the amount of bacteria in milk. How does this process most likely benefit people? | [
"by helping to prevent food allergies",
"by encouraging people to eat healthy foods",
"by helping to keep people from becoming ill",
"by curing diseases caused by lack of vitamins"
] | C | null |
math_qa | mathqa_03_00442 | solution p is 20 percent lemonade and 80 percent carbonated water by volume ; solution q is 45 percent lemonade and 55 percent carbonated water by volume . if a mixture of pq contains 60 percent carbonated water , what percent of the volume of the mixture is p ? | [
"20 %",
"30 %",
"40 %",
"50 %"
] | A | "60 % is 20 % - points below 80 % and 5 % - points above 55 % . so the ratio of solution p to solution q is 1 : 4 . mixture p is 1 / 5 = 20 % of the volume of mixture pq . the answer is a ." |
sciq | sciq_01_06933 | What is a condition in which a material called plaque builds up inside arteries? | [
"arthritis",
"fibrosis",
"atherosclerosis",
"scoliosis"
] | C | Atherosclerosis is a condition in which a material called plaque builds up inside arteries. Plaque consists of cell debris, cholesterol, and other substances. As plaque builds up in an artery, the artery narrows, as shown in Figure below . This reduces blood flow through the artery. |
sciq | sciq_01_10507 | Caffeine is an example of what type of drug? | [
"depressant",
"nicotine",
"barbiturate",
"psychoactive"
] | D | diploid spore in fungi that is produced by the fusion of two haploid parent cells. |
sciq | sciq_01_04234 | Amines are classified according to the number of carbon atoms bonded directly to what atom? | [
"oxygen",
"helium",
"nitrogen",
"hydrogen"
] | C | 15.11 Amines: Structures and Names LEARNING OBJECTIVES Identify the general structure for an amine. Identify the functional group for amines. Determine the structural feature that classifies amines as primary, secondary, or tertiary. Use nomenclature systems to name amines. Amines are classified according to the number... |
sciq | sciq_01_01553 | What are monosaccharides and disaccharides also called? | [
"simple chemicals",
"basic sugars",
"complex sugars",
"simple sugars"
] | D | An example of a disaccharide is sucrose (table sugar), which consists of the monosaccharides glucose and fructose ( Figure below ). Other common disaccharides include lactose ("milk sugar") and maltose. Monosaccharides and disaccharides are also called simple sugars . They provide the major source of energy to living c... |
openbookqa | obqa_02_03521 | Which creature would be safest from predators in its natural underground habitat? | [
"eagles",
"lizards",
"moles",
"sardines"
] | C | omnivores eat plants |
medmcqa | medmcqa_05_00324 | Most genuine symptom of the retroversion is : | [
"Backache",
"Dyspareunia",
"Infeility",
"Diarrhoea"
] | B | Dyspareunia |
ARC-Challenge | arc_04_02659 | Directions Read the information about wind erosion then answer the question. Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and polluting the air during dust storms. What is one way to prevent wind erosion? | [
"People can drive off-road bikes across the desert.",
"Ranchers can let their cattle graze in areas with little plant growth.",
"Construction workers can wet the ground before driving on it or digging.",
"Farmers can remove all plant material in the soil between planting seasons."
] | C | null |
math_qa | mathqa_03_01329 | a rectangular wall is covered entirely with two kinds of decorative tiles : regular and jumbo . 1 / 3 of the tiles are jumbo tiles , which have a length three times that of regular tiles and have the same ratio of length to width as the regular tiles . if regular tiles cover 40 square feet of the wall , and no tiles ov... | [
"160",
"220",
"360",
"440"
] | B | "the number of jumbo tiles = x . the number of regular tiles = 2 x . assume the ratio of the dimensions of a regular tile is a : a - - > area = a ^ 2 . the dimensions of a jumbo tile is 3 a : 3 a - - > area = 9 a ^ 2 . the area of regular tiles = 2 x * a ^ 2 = 40 . the area of jumbo tiles = x * 9 a ^ 2 = 4.5 ( 2 x * a ... |
medmcqa | medmcqa_05_03544 | A neonate presenting with ascites is diagnosed having urinary ascites. What is the most common cause | [
"Bilateral PUJ obstruction",
"Infant polycystic kidney disease",
"posterior urethral valve",
"Meatal stenosis"
] | C | Posterior urethral valves Posterior urethral valves occur in around 1 in 5000-8000 live male bihs. The valves are membranes that have a small posterior slit within them, which typically lie just distal to the verumontanum and cause obstruction to the urethra of boys. They function as flap valves and so although they ar... |
sciq | sciq_01_03343 | Acne results from a blockage of sebaceous glands by what? | [
"fat",
"sebum",
"mucous",
"progesterone"
] | B | Chapter 5 1 The epidermis provides protection, the dermis provides support and flexibility, and the hypodermis (fat layer) provides insulation and padding. 3 Figure 5.6 These cells have desmosomes, which give the cells their spiny appearance. 5 D 7 C 9 C 11 D 13 B 15 A 17 C 19 C 21 C 23 B 25 The pigment melanin, produc... |
sciq | sciq_01_06665 | What term is used to describe an illusion that light from faraway objects is reflected by a pool of water that is not really there? | [
"version",
"Mirror",
"prototype",
"mirage"
] | D | The most common type of mirage is an illusion that light from faraway objects is reflected by a pool of water that is not really there. Mirages are generally observed in deserts, when there is a hot layer of air near the ground. Given that the refractive index of air is lower for air at higher temperatures, explain how... |
math_qa | mathqa_03_02042 | 78 , 64 , 48 , 30 10 , ( . . . ) | [
"- 12 number",
"- 14",
"2",
"8"
] | A | "explanation : 78 - 14 = 64 64 - 16 = 48 48 - 18 = 30 30 - 20 = 10 10 - 22 = - 12 answer : option a" |
sciq | sciq_01_06833 | If a gas in a closed area experiences increases in pressure and decreases in temperatures, what other attribute of the gas will be affected? | [
"volume",
"velocity",
"temperature",
"gravity"
] | A | Both the increase in pressure and the decrease in temperature cause the volume of the gas sample to decrease. Since both changes are relatively small, the volume does not decrease dramatically. |
math_qa | mathqa_03_04419 | what is the tens digit of 7 ^ 1033 ? | [
"0",
"1",
"0",
"3"
] | C | "7 ^ 1 = 7 7 ^ 2 = 49 7 ^ 3 = 343 7 ^ 4 = 2401 7 ^ 5 = 16807 7 ^ 6 = 117649 we should see this as pattern recognition . we have a cycle of 4 . ( we can multiply the last 2 digits only as we care about ten ' s digit ) 0 , 4 , 4 , 0 . 1033 = 4 * 258 + 1 the ten ' s digit will be 0 . answer c" |
medmcqa | medmcqa_05_04370 | A diabetic presents with orbital cellulitis and maxillary sinusitis, on microscopy, shows a fungus with hyaline, narrow septate and branching hyphae with an invasion of the blood vessels. Which is the causative fungus? | [
"Candida",
"Rhizospora",
"Aspergillus",
"Histoplasma"
] | C | Diagnosis of Aspergillus infection:Histologic examination of the affected tissue reveals either infarction, with an invasion of blood vessels by many fungal hyphae, or acute necrosis, with limited inflammation and hyphae.Aspergillus hyphae are hyaline, narrow, and septate, with branching at 45deg; no yeast forms are pr... |
openbookqa | obqa_02_03070 | Bird dogs use their nose to find | [
"water foul",
"your keys",
"the Titanic",
"the menu"
] | A | smell is used for finding food by some animals |
math_qa | mathqa_03_00707 | a man sold 20 articles for $ 60 and gained 20 % . how many articles should he sell for $ 90 to incur a loss 10 % ? | [
"45",
"41.2",
"40",
"50"
] | B | "production cost per article : $ 60 * ( 100 % - 20 % ) / 20 = $ 2.40 required production costs for a loss of 20 % : $ 90 * ( 100 % + 10 % ) = $ 99 number of articles to be sold for $ 108 to incur a 20 % loss : $ 99 / $ 2.40 = 41.2 thus , solution b is correct ." |
sciq | sciq_01_06918 | What unit of power is equal to 1 joule of energy per second? | [
"volt",
"hertz",
"watt",
"byte"
] | C | The rate at which a device changes electric current to another form of energy is called electric power . The SI unit for power—including electric power—is the watt. A watt equals 1 joule of energy per second. High wattages are often expressed in kilowatts, where 1 kilowatt equals 1000 watts. The power of an electric de... |
medmcqa | medmcqa_05_02276 | Premalignant lesion of oral cavity with most potential to malignancy? | [
"Leukoplakia",
"Erythroplakia",
"Submucous fibrosis",
"Hyperplasia"
] | B | ANSWER: (B) ErythroplakiaREF: Bailey 25th ed page 735 Box46.2, Dhingra 4th ed page 209, Robbins 8th ed chapter 16, Das text book of surgery 3rd edition page 104, Rooks Textbook of Dermatology 4th Volume 8th ed page 52.29-52.37The term leukoplakia is defined by the World Health Organization as "a white patch or plaque t... |
sciq | sciq_01_00566 | What mineral is made of one silicon atom and two oxygen atoms? | [
"glass",
"quartz",
"cobalt",
"pumice"
] | B | 5. Quartz is made of one silicon atom and two oxygen atoms. If you find a mineral and find that it is made of one silicon atom and one oxygen atom is it quartz?. |
math_qa | mathqa_03_00606 | the salary of a , b , c , d , e is rs . 9000 , rs . 5000 , rs . 11000 , rs . 7000 , rs . 9000 per month respectively , then the average salary of a , b , c , d , and e per month is | [
"rs . 7000",
"rs . 8200",
"rs . 8500",
"rs . 9000"
] | B | "answer average salary = 9000 + 5000 + 11000 + 7000 + 9000 / 5 = rs . 8200 correct option : b" |
sciq | sciq_01_02568 | What feature of the spine helps with flexibility and strength? | [
"arrangement",
"curves",
"angle",
"shape"
] | B | Curvatures of the Vertebral Column The adult vertebral column does not form a straight line, but instead has four curvatures along its length (see Figure 7.20). These curves increase the vertebral column’s strength, flexibility, and ability to absorb shock. When the load on the spine is increased, by carrying a heavy b... |
sciq | sciq_01_02666 | What substance do the leaves of plants take in from the environment? | [
"hydrogen",
"acid rain",
"carbon dioxide",
"oxygen"
] | C | |
ARC-Easy | arc_04_02048 | In a desert environment, cactus wrens often build their nests in cholla cacti to avoid predators. This behavior does not hurt the cacti. Which type of relationship do cactus wrens and cholla cacti demonstrate? | [
"competitive",
"commensalism",
"mutualism",
"parasitism"
] | B | null |
openbookqa | obqa_02_02052 | A moth that experiences a metamorphosis will change | [
"sex",
"shape",
"species",
"religion"
] | B | a moth undergoes metamorphosis |
openbookqa | obqa_02_02668 | One example of changing an objects shape is | [
"Making glass into a birdhouse",
"Holding another person's hand",
"Watching a bird fly",
"Watching a show on TV"
] | A | tearing an object changes that object 's shape |
sciq | sciq_01_09000 | Viruses need what kind of cell in order to help themselves reproduce? | [
"host",
"double",
"round",
"side"
] | A | 22.3 Viral Genome The genome of a virus consists of DNA or RNA, whose size and configuration vary. The entire genome can exist as a single nucleic acid molecule or several nucleic acid segments. Also, the DNA or RNA may be single-stranded or double-stranded, and either linear or circular. Not all viruses can reproduce ... |
math_qa | mathqa_03_04072 | in a kilometer race , a beats b by 48 meters or 6 seconds . what time does a take to complete the race ? | [
"22",
"119",
"110",
"109"
] | B | "time taken by b run 1000 meters = ( 1000 * 6 ) / 48 = 125 sec . time taken by a = 125 - 6 = 119 sec . answer : b" |
sciq | sciq_01_01861 | The eyes of all vertebrates possess a single one of these structures? | [
"lens",
"stalk",
"sty",
"vessel"
] | A |
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