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 ⌀ |
|---|---|---|---|---|---|
medmcqa | medmcqa_05_02858 | What is the ionic basis for after depolarization in a record of an AP? | [
"Entry of Ca++ slow channels.",
"Late entry of Na+ channels that have been activated.",
"Altered gradient for K+ movement.",
"Prolonged open state of K+ channels."
] | C | After the initial rapid fall in the graph, the rate of repolarization decreases. This slowdown is called after-depolarization. Initially, the large concentration gradient allows a rapid efflux of K+ and the rate of repolarization is rapid. However, as K+ leaves the cell carrying positive charges, these positive charges... |
sciq | sciq_01_06688 | The distance between two crests of a wave of light is referred to as what, which is related to the color of light? | [
"bandwidth",
"magnitude",
"wavelength",
"spectrum"
] | C | wavelength : The distance between two crests of a wave of light. The color of light is related to its wavelength. This is inversely proportional to frequency. |
math_qa | mathqa_03_04829 | what is the least number to be added to 661 to make it a perfect square ? | [
"13",
"15",
"20",
"16"
] | B | "the numbers greater than 661 and are square of number is 676 . the least number that should be added 661 to make it perfect square = 676 - 661 = 15 . answer : b" |
medmcqa | medmcqa_05_01890 | Which does not predispose to cholangiocarcinoma: | [
"Ulcerative colitis",
"Clonorchis sinensis",
"Choledochal cyst",
"Chronic pancreatitis"
] | D | Ans. is 'd' i.e., Chronic pancreatitis Risk factors for CholangiocarcinomaPrimary sclerosing cholangitisCholedochal cystUlcerative colitis Mnemonic 5 C'sClonorchis sinensis inf.Chronic typhoid carriersOther risk factorsHepatolithiasisBiliary enteric anastomosisLiver flukesDietary nitrosaminesExposure to thorotrast, dio... |
sciq | sciq_01_09353 | What is a mixture of metal with one or more other elements? | [
"an alloy",
"a halloid",
"a metalloid",
"an alkali metal"
] | A | An alloy is a mixture of a metal with one or more other elements. The other elements may be metals, nonmetals, or both. An alloy is formed by melting a metal and dissolving the other elements in it. The molten solution is then allowed to cool and harden. Alloys generally have more useful properties than pure metals. Se... |
sciq | sciq_01_06284 | A small quake preceding a large quake is called what? | [
"aftershock",
"preshock",
"warning shock",
"foreshock"
] | D | There are sometimes signs that a large earthquake is coming. There may be small quakes, called foreshocks . These can occur a few seconds to a few weeks before a major quake. Unfortunately, foreshocks are not very useful for predicting large earthquakes. Many quakes do not have foreshocks. Also, small earthquakes are n... |
math_qa | mathqa_03_00712 | a baseball card decreased in value 10 % in its first year and 10 % in its second year . what was the total percent decrease of the card ' s value over the two years ? | [
"19 %",
"30 %",
"32 %",
"36 %"
] | A | "consider the initial value of the baseball card as $ 100 after first year price = 100 * 0.9 = 90 after second year price = 90 * 0.9 = 81 final decrease = [ ( 100 - 81 ) / 100 ] * 100 = 19 % correct answer - a" |
ARC-Easy | arc_04_00348 | Which best describes the function of the small intestine? | [
"oxygenation of tissue",
"excretion of toxic wastes",
"transportation of blood cells",
"digestion and absorption of food"
] | D | null |
math_qa | mathqa_03_04316 | a train running at the speed of 60 km / hr crosses a pole in 27 seconds . what is the length of the train ? | [
"186 m",
"176 m",
"450 m",
"150 m"
] | C | "speed = ( 60 * 5 / 18 ) m / sec = ( 50 / 3 ) m / sec length of the train = ( speed x time ) = ( 50 / 3 * 27 ) m = 450 m . answer : c" |
math_qa | mathqa_03_03248 | what is the cp of rs 100 stock at 5 discount , with 1 / 5 % brokerage ? | [
"96.9",
"96.3",
"95.2",
"96.7"
] | C | "explanation : use the formula , cp = 100 â € “ discount + brokerage % cp = 100 - 5 + 1 / 5 95.2 thus the cp is rs 95.2 . answer : c" |
openbookqa | obqa_02_02071 | A person wants to use a raw material to make a toy, so they use | [
"bronze",
"plastic",
"denim",
"logs"
] | D | if something is a raw material then that something comes directly from a source |
sciq | sciq_01_09639 | What type of molecule is first broken down in cellular respiration? | [
"fructose molecule",
"hydrogen molecule",
"glucose molecule",
"oxygen molecule"
] | C | Cellular respiration takes place in the stages shown here. The process begins with a molecule of glucose, which has six carbon atoms. What happens to each of these atoms of carbon?. |
sciq | sciq_01_03229 | What us state leads all states in producing geothermal energy? | [
"california",
"nevada",
"virginia",
"Texas"
] | A | Geothermal energy is an excellent resource in some parts of the world. Iceland gets about one fourth of its electricity from geothermal sources. In the United States, California leads all states in producing geothermal energy. Geothermal energy in California is concentrated in the northern part of the state. The larges... |
sciq | sciq_01_02581 | When does coal release most of its energy? | [
"when burning",
"when compressed",
"when forming",
"when falling"
] | A | To prepare coal for use, the coal is first crushed into powder and burned in a furnace. Like other fuels, coal releases most of its energy as heat when it burns. The heat from the burning coal is used to boil water. This makes steam. The steam spins turbines, which creates electricity. |
sciq | sciq_01_00808 | How are classic sedimentary rocks group? | [
"particle depth",
"color",
"size of sediment",
"density"
] | C | Clastic sedimentary rocks are grouped by the size of the sediment they contain. Conglomerate and breccia are made of individual stones that have been cemented together. In conglomerate, the stones are rounded. In breccia, the stones are angular. Sandstone is made of sand-sized particles. Siltstone is made of smaller pa... |
sciq | sciq_01_05787 | What substance can be eroded by wind or water? | [
"wood",
"sand",
"metal",
"soil"
] | D | Soil and water are renewable resources but may be ruined by careless human actions. Soil can be depleted of nutrients. It can also be eroded by wind or water. |
math_qa | mathqa_03_02236 | the monthly rent of a shop of dimension 20 feet × 15 feet is rs . 3600 . what is the annual rent per square foot of the shop ? | [
"43",
"144",
"68",
"87"
] | B | "sol . monthly rent per square feet = 3600 / ( 20 * 15 ) = 12 & annual rent per square feet = 12 * 12 = 144 answer : b" |
medmcqa | medmcqa_05_02434 | The CNS tumor present with calcification ? | [
"Oligodendroglioma",
"Astrocytoma",
"Medulloblastoma",
"Pheochromocytoma"
] | A | Ans. is 'a' Oligodendroglioma Although many intracranial tumors show calcification, oligodendroglioma shows calcification in 70-90% of cases. |
openbookqa | obqa_02_03605 | celestial objects are where in the earth's atmosphere | [
"inside",
"below",
"outside",
"over"
] | C | the moon is the celestial object that is closest to the Earth |
medmcqa | medmcqa_05_01875 | RhabdomyolyMis with myoglobinuria seen in - | [
"Viper bite",
"Heat stroke",
"Malignant hypehcnnia",
"Multiple hornet stings"
] | D | Rhabdomyolysis is a serious condition, with destruction of striated muscles, and can be induced by various causes such as drugs, hea attacks, CRASH syndrome, and viper bites. Mass envenomation by multiple wasp stings can also cause rhabdomyolysis followed by acute renal failure, although it is extremely rare. Ref Harri... |
sciq | sciq_01_06180 | What is one thing that can not happen to energy? | [
"it cannot decrease",
"it can not be destroyed",
"it cannot stay the same",
"it cannot increase"
] | B | If energy cannot be destroyed, what happens to the energy that is absorbed in an endothermic reaction? The energy is stored in the chemical bonds of the products. This form of energy is called chemical energy. In an endothermic reaction, the products have more stored chemical energy than the reactants. In an exothermic... |
openbookqa | obqa_02_02290 | Which would be a source of pollutants? | [
"cars",
"oceans",
"glaciers",
"storms"
] | A | pollution is a source of pollutants |
medmcqa | medmcqa_05_01020 | Drug of choice for resistant macrophage activation syndrome | [
"Tacrolimus",
"Methylprednisolone",
"Cyclosporine",
"Tocilizumab"
] | C | Macrophage activation syndrome (MAS) is a life-threatening complication of rheumatic diseases, requiring immediate and appropriate treatment. MAS is a disorder related to hemophagocytic lymphohistiocytosis (HLH), which is divided into primary and secondary HLH. The most common autoimmune diseases associated with MAS ar... |
sciq | sciq_01_07091 | What is the term for potential energy due to the position of an object above earth? | [
"gravitational pull energy",
"gravitational potential energy",
"gravitational indication energy",
"gravitational recovery energy"
] | B | Potential energy due to the position of an object above Earth is called gravitational potential energy. Like the leaves on trees, anything that is raised up above Earth’s surface has the potential to fall because of gravity. You can see examples of people with gravitational potential energy in Figure below . |
ARC-Easy | arc_04_00294 | Which object best reflects light? | [
"gray door",
"white floor",
"black sweater",
"brown carpet"
] | B | null |
sciq | sciq_01_01290 | Homologous chromosomes move toward what poles? | [
"interior",
"opposite",
"parallel",
"octogonal"
] | B | Homologous chromosomes move toward opposite poles of a dividing cell during. |
medmcqa | medmcqa_05_00781 | Human anatomical wastes such as body parts are disposed off in: | [
"Yellow",
"Black",
"Red",
"Blue"
] | A | Categories of Bio medical wastes (BMW) (Schedule I): |
openbookqa | obqa_02_01288 | How might you figure out what a parts are needed to let your car drive? | [
"think very hard until you figure it out",
"ask the person who invented it",
"throw it in a lake and see if it floats",
"break it down and determine what it is composed of"
] | D | the composition of something can be used to identify that something |
medmcqa | medmcqa_05_01995 | A 32-year-old female, asymptomatic, not requiring blood transfusion, presents with Hb 13.0 gm/dl. Her HbF levels levels are 95%, Hb A2 1.5%. Which of the following is the most likely diagnosis? | [
"Hereditary persistence of fetal hemoglobin",
"Beta homozygous thalassemia",
"Thalassemia intermedia",
"Beta heterozygous thalassemia"
] | A | - In given pt, even though HbF levels are elevated, these pts have normal Hb levels & asymptomatic without any requirement of any transfusions. Hence, thalassemia is ruled out - These features points towards the diagnosis of Hereditary persistence of fetal hemoglobin (HPFH) - It is benign condition in which fetal hemog... |
sciq | sciq_01_08769 | What explains why water molecules tend to stick together? | [
"covalent bonds",
"hydrogen bonds",
"helium bonds",
"mineral bonds"
] | B | Hydrogen bonds between water molecules explain some of water’s properties. For example, hydrogen bonds explain why water molecules tend to stick together. Have you ever watched water drip from a leaky faucet or from a melting icicle? If you have, then you know that water always falls in drops rather than as separate mo... |
math_qa | mathqa_03_01509 | a mixture contains alcohol and water in the ratio 2 : 5 . if 10 liters of water is added to the mixture , the ratio becomes 2 : 7 . find the quality of alcohol in the given mixture . | [
"5",
"10",
"15",
"20"
] | B | let the quantity of alcohol and water be 2 x and 5 x 2 x / ( 5 x + 10 ) = 2 / 7 20 x = 4 ( 3 x + 5 ) x = 5 quantity of alcohol = 2 * 5 = 10 liters . answer is b |
sciq | sciq_01_01272 | What do you call the separation of ions that occurs when a solid ionic compound dissolves? | [
"deformation",
"dissolution",
"dissociation",
"decomposition"
] | C | An ionic crystal lattice breaks apart when it is dissolved in water. Dissociation is the separation of ions that occurs when a solid ionic compound dissolves. It is important to be able to write dissociation equations. Simply undo the crisscross method that you learned when writing chemical formulas of ionic compounds.... |
math_qa | mathqa_03_00585 | a fair 2 sided coin is flipped 3 times . what is the probability that tails will be the result at least twice , but not more than 3 times ? | [
"5 / 8",
"3 / 4",
"3 / 8",
"7 / 4"
] | C | "at least twice , but not more than 3 timesmeans exactly 2 times , 3 times the probability of getting exactly k results out of n flips is nck / 2 ^ n 3 c 2 / 2 ^ 3 = 3 / 8 option : c" |
ARC-Easy | arc_04_00083 | Which object is powered by an electrical circuit? | [
"a drum",
"a flashlight",
"a matchstick",
"a wind-up toy"
] | B | null |
math_qa | mathqa_03_04024 | if k is a non - negative integer and 18 ^ k is a divisor of 624,938 then 6 ^ k - k ^ 6 = | [
"0",
"1",
"36",
"118"
] | B | "6 + 2 + 4 + 9 + 3 + 8 = 32 , so this number is not divisible by 3 and thus not divisible by 18 . therefore , k = 0 6 ^ k - k ^ 6 = 1 - 0 = 1 the answer is b ." |
sciq | sciq_01_08455 | Video and audio signals are broadcast on these? | [
"thermal waves",
"electromagnetic waves",
"radiation waves",
"mechanical waves"
] | B | video and audio signals broadcast on electromagnetic waves. |
sciq | sciq_01_06668 | Surface tension comes from the fact that particles at the surface of a liquid do not experience interactions from all directions which leads to what on the surface? | [
"waves",
"imbalance of forces",
"degradation of forces",
"floating particles"
] | B | Surface tension comes from the fact that particles at the surface of a liquid do not experience interactions from all directions, leading to an imbalance of forces on the surface. Surface tension is responsible for several well-known behaviors of liquids, including water. Liquids with high surface tension tend to bead ... |
math_qa | mathqa_03_04311 | the ratio between the length and the breadth of a rectangular park is 3 : 2 . if a man cycling alongthe boundary ofthe park at the speed of 12 km / hr completes one round in 8 min , then the area of the park ( in sq . m ) is ? | [
"13400 m",
"147600 m",
"153600 m",
"187500 m"
] | C | "perimeter = distance covered in 8 min . = 12000 x 8 m = 1600 m . 60 let length = 3 x metres and breadth = 2 x metres . then , 2 ( 3 x + 2 x ) = 1600 or x = 160 . length = 480 m and breadth = 320 m . area = ( 480 x 320 ) m 2 = 153600 m c" |
math_qa | mathqa_03_02682 | the sale price of a trolley bag including the sale tax is rs . 1232 . the rate of sale tax is 10 % . if the shopkeeper has made a profit of 12 % , the cost price of the trolley bag is : | [
"rs 1000",
"rs 1515",
"rs 1525",
"rs 1250"
] | A | "explanation : 110 % of s . p . = 1232 s . p . = rs . ( 1232 x 100 / 110 ) = rs . 1120 . c . p . = rs ( 100 / 112 x 1120 ) = rs 1000 answer : a" |
openbookqa | obqa_02_02167 | Within a twenty four hour period, a person could experience | [
"a globe's complete rotation",
"thirty hours of night",
"a day on Pluto",
"a year of schooling"
] | A | one day is equal to 24 hours |
sciq | sciq_01_01529 | What is denoted by the number above the chemical symbol of each element in a modern periodic table? | [
"electron count",
"metallic number",
"atomic weight",
"atomic number"
] | D | In the modern periodic table, each element is represented by its chemical symbol. The number above each symbol is its atomic number. Atomic numbers increase from left to right and from top to bottom in the table. |
ARC-Easy | arc_04_01487 | Living organisms require energy for biological processes. Chemical energy in a plant cell is | [
"produced in vacuoles.",
"converted from solar energy.",
"developed by centrioles.",
"stored as kinetic energy."
] | B | null |
sciq | sciq_01_01042 | The chemical behavior of elements can largely be explained by what? | [
"neutron configuration",
"chemical configuration",
"proton configuration",
"electron configurations"
] | D | The chemical behavior of elements can largely be explained by electron configurations. |
math_qa | mathqa_03_03096 | x and y are positive integers . when x is divided by 17 , the remainder is 3 , and when x is divided by 19 , the remainder is 1 . when y is divided by 14 , the remainder is 5 , and when y is divided by 21 , the remainder is 12 . what is the least possible value of y - x ? | [
"15",
"13",
"11",
"14"
] | B | when x is divided by 17 , the remainder is 3 : so , the possible values of x are : 3 , 20 , 37,54 , etc . when x is divided by 19 , the remainder is 1 : so , the possible values of x are : 1,20 . . . stop . since both lists include 20 , the smallest possible value of x is 20 . when y is divided by 14 , the remainder is... |
sciq | sciq_01_06989 | What is the inner layer of skin called? | [
"the dermis",
"connective layer",
"hypodermis",
"the epidermis"
] | A | The dermis is the inner layer of skin. It is made of tough connective tissue. The dermis is attached to the epidermis by fibers made of the protein collagen. The dermis is where most skin structures are located. Look again at Figure above . You’ll see that the dermis has blood vessels and nerve endings. The nerve endin... |
sciq | sciq_01_08496 | Specific scents are often associated with what? | [
"pheromones",
"instincts",
"behaviors",
"memories"
] | D | Specific scents are often associated with our memories of places and events. That's because scents are more novel or specific than shapes or other things you might see. So an odor similar to that of your grandmother's kitchen or pantry might be more quickly associated with your memories of that place than a similar sig... |
math_qa | mathqa_03_02826 | find the slope of the line perpendicular to the line y = ( 1 / 4 ) x - 7 | [
"1",
"2",
"- 4",
"4"
] | C | "two lines are perpendicular if the product of their slopes is equal to - 1 . the slope of the given line is equal to 1 / 4 . if m is the slope of the line perpendicular to the given line , then m × ( 1 / 4 ) = - 1 solve for m m = - 4 correct answer c ) - 4" |
sciq | sciq_01_07651 | What type of isotopes have short half-lives and are given in very low doses? | [
"gasses",
"radionuclides",
"radioisotopes",
"stable isotopes"
] | C | Radioisotopes are widely used in medical diagnosis. These isotopes need to have short half-lives so that they can be administered in very low doses, thus minimizing damage to cells. |
openbookqa | obqa_02_03795 | It's easy to be crushed by rocks lounging | [
"near a sloping mountainside",
"on a frozen pond",
"on a mall escalator",
"in the middle of a peaceful cemetery"
] | A | landslides often occur on mountains |
math_qa | mathqa_03_04357 | a car drives 60 miles on local roads at 20 mph , and 120 miles on the highway at 60 mph , what is the average speed of the entire trip ? | [
"36 mph",
"40 mph",
"44 mph",
"52 mph"
] | A | "so the answer is plainly a . . . . we have a general relation for speed , time and distance : v ( velocity ) * t ( time ) = d ( distance ) for first part we have d = 60 miles , and v = 20 mph so we can obtain time : 20 * t = 60 or t = 60 / 20 = 3 hours the needed time to cover 60 miles in the same way we should divide... |
openbookqa | obqa_02_02389 | If an icicle melts, or steam condenses, that matter would | [
"sing",
"fry",
"rot",
"dribble"
] | D | matter in the liquid state drips |
sciq | sciq_01_07015 | What system of the body is generally responsible for breathing? | [
"integumentary",
"excretory",
"respiratory system",
"cardiac"
] | C | The respiratory system is responsible for breathing. |
math_qa | mathqa_03_00720 | a housing society has been allotted a square piece of land measuring 2550.25 sq . m . what is the side of the plot ? | [
"50.25 m'",
"50.5 m'",
"50.65 m'",
"50.85'"
] | B | solution side = √ 2550.25 = √ 255025 / 100 = 505 / 10 = 50.5 m . answer b |
openbookqa | obqa_02_03747 | Which is bad for the environment? | [
"recycling old goods",
"using a generator",
"protecting nature",
"eating food"
] | B | burning gasoline is a source of pollution |
sciq | sciq_01_07721 | Vertebrates lacking what structures often use lungs for gas exchange? | [
"gills",
"nostrils",
"pores",
"spores"
] | A | |
sciq | sciq_01_09166 | What is the addition of nucleotides to the mrna strand? | [
"elevation",
"elongation",
"axons",
"insertion"
] | B | Elongation is the addition of nucleotides to the mRNA strand. RNA polymerase reads the unwound DNA strand and builds the mRNA molecule, using complementary base pairs. There is a brief time during this process when the newly formed RNA is bound to the unwound DNA. During this process, an adenine (A) in the DNA binds to... |
math_qa | mathqa_03_00153 | a certain number of horses and an equal number of men are going somewhere . half of the owners are on their horses ' back while the remaining ones are walking along leading their horses . if the number of legs walking on the ground is 60 , how many horses are there ? | [
"10",
"12",
"14",
"16"
] | B | "legs 12 * 4 = 48 now half on their horses so remaining on the walk so 6 men 6 men has 12 legs so , 12 + 48 = 60 legs walking answer : b" |
sciq | sciq_01_11562 | A unique type of organism is also known as what? | [
"parasites",
"element",
"species",
"taxonomy"
] | C | A species is a unique type of organism. Members of a species can interbreed and produce offspring that can breed (they are fertile). Organisms that are not in the same species cannot do this. Examples of species include humans, lions, and redwood trees. Can you name other examples?. |
openbookqa | obqa_02_00021 | A mouse is being hunted by a Great Horned Owl. The owl watches the mouse carefully, and the mouse is unaware that it is being hunted. The mouse is unable to tell where the owl is, because | [
"the owl is invisible",
"the mouse is oblivious",
"the mouse is blind",
"the owl matches its background"
] | D | camouflage is used for hiding by animals from predators |
math_qa | mathqa_03_01542 | a drink vendor has 60 liters of maaza , 144 liters of pepsi and 368 liters of sprite . he wants to pack them in cans , so that each can contains the same number of liters of a drink , and does n ' t want to mix any two drinks in a can . what is the least number of cans required ? | [
"135",
"137",
"143",
"310"
] | C | "the number of liters in each can = hcf of 60 , 144 and 368 = 4 liters . number of cans of maaza = 60 / 4 = 15 number of cans of pepsi = 144 / 4 = 36 number of cans of sprite = 368 / 4 = 92 the total number of cans required = 15 + 36 + 92 = 143 cans . answer : c" |
openbookqa | obqa_02_03976 | a revolution is when something revolves around | [
"dancing",
"poetry",
"more physical matter",
"cupcakes"
] | C | a revolution is when something revolves around something else |
medmcqa | medmcqa_05_04138 | Commonest cause of lung abscess: | [
"Aspiration",
"Hematogenous spread from distant site",
"Direct contact",
"Lymphatic spread"
] | A | Lung Abscess Lung abscess refers to a microbial infection of the lung that results in necrosis of the pulmonary parenchyma MC cause of primary lung abscess: Anaerobic bacteria Etiology of anaerobic lung abscess: Aspiration |
medmcqa | medmcqa_05_03463 | Sulfasalazine is used in - | [
"Ulcerative colitis",
"Osteoarthritis",
"Gouty arthritis",
"Irritable bowel syndrome"
] | A | Ans. is 'a' i.e., Ulcerative colitis Inflammatory bowel disease (crohn's disease & ulcerative colitis)o 5-aminosalicylic acid (5-ASA) is the main anti-inflammatory compound that acts locally in colon. It is the first line of treatment in mild to moderate UC and CD. When given alone 5-ASA is absorbed > 80% in proximal i... |
sciq | sciq_01_09989 | What adds phosphate groups to receptor proteins at the surface of the cell? | [
"receptor kinases",
"brain kinases",
"nitrogen kinases",
"protein kinases"
] | A | Receptor tyrosine kinases epidermal growth factor receptor (EGFR), platelet-derived growth factor receptor (PDGFR), vascular endothelial growth factor receptor (VEGFR), HER2/neu Receptor tyrosine kinases add phosphate groups to other proteins to activate or inactivate them. Receptor kinases add phosphate groups to rece... |
sciq | sciq_01_03901 | What are mars' moons thought to be? | [
"guerrillas asteroids",
"new asteriods",
"captured asteroids",
"common asteriods"
] | C | Mars has two moons that are thought to be captured asteroids. |
math_qa | mathqa_03_04685 | the marks obtained by polly and sandy are in the ratio 4 : 5 and those obtained by sandy and willy are in the ratio of 5 : 2 . the marks obtained by polly and willy are in the ratio of . . . ? | [
"2 : 1",
"3 : 2",
"4 : 3",
"5 : 4"
] | A | "polly : sandy = 4 : 5 sandy : willy = 5 : 2 polly : sandy : willy = 4 : 5 : 2 polly : willy = 4 : 2 = 2 : 1 the answer is a ." |
sciq | sciq_01_09431 | Axons pass what on to other cells? | [
"nerve impulses",
"myelin impulses",
"calcium impulses",
"synthesis impulses"
] | A | The cell body contains the nucleus and other organelles. Dendrites and axons connect to the cell body, similar to rays coming off of the sun. Dendrites receive nerve impulses from other cells. Axons pass the nerve impulses on to other cells. A single neuron may have thousands of dendrites, so it can communicate with th... |
math_qa | mathqa_03_04585 | the toll t , in dollars , for a truck using a certain bridge is given by the formula t = 1.50 + 1.50 ( x − 2 ) , where x is the number of axles on the truck . what is the toll for an 18 - wheel truck that has 2 wheels on its front axle and 4 wheels on each of its other axles ? | [
"$ 2.50",
"$ 3.00",
"$ 3.50",
"$ 6.00"
] | D | "number of wheels in truck = 18 number of wheels on its front axle = 2 number of wheels remaining = 16 number of axles remaining axles = 16 / 4 = 4 total number of axles = 5 t = 1.50 + 1.50 ( x − 2 ) = 1.50 + 1.5 * 3 = 1.5 + 4.5 = 6 $ answer d" |
sciq | sciq_01_03378 | What is the advantage of selecting for certain genetic traits for crops? | [
"Faster growth",
"protection from pests",
"improves taste",
"promotes productivity"
] | D | Improving crops by selecting for certain genetic traits. The desired traits promote productivity. Recently, genetically engineered crops have been introduced. |
openbookqa | obqa_02_03390 | a reptile that was brown an hour later is now green because | [
"red paint was poured over it",
"it's green with envy",
"it's sitting in a leafy shrub and using camouflage",
"it is feeling nauseous"
] | C | An example of camouflage is when something changes color in order to have the same color as its environment |
sciq | sciq_01_10635 | Which model helps explain molecules with double or triple bonds? | [
"salinity model",
"particle model",
"hybridization model",
"reactivity model"
] | C | The hybridization model helps explain molecules with double or triple bonds. Consider the ethene molecule (C 2 H 4 ), which contains a double covalent bond between the two carbon atoms and single bonds between the carbon atoms and the hydrogen atoms. The entire molecule is planar. |
sciq | sciq_01_07344 | The heterotroph eats only or mainly what? | [
"decomposers",
"plants",
"roots",
"animals"
] | B | heterotroph that eats only or mainly plants. |
math_qa | mathqa_03_03205 | the current birth rate per certain number of people is 52 , whereas corresponding death rate is 16 per same number of people . if the net growth rate in terms of population increase is 1.2 percent , find number of persons . ( initally ) | [
"4000",
"2000",
"3000",
"5000"
] | C | "sol . net growth on x = ( 52 - 16 ) = 36 . net growth on 100 = ( 36 / x ã — 100 ) % = 1.2 % . then x = 3000 answer : c" |
sciq | sciq_01_06554 | What do you call the ability of a particular electrochemical cell to generate an electric current? | [
"momentum",
"electrical potential",
"electromagnetism",
"kinetic energy"
] | B | The ability of a particular electrochemical cell to generate an electric current is called its electrical potential. Reduction potentials measure the tendency of a substance to be reduced in a redox reaction. |
math_qa | mathqa_03_02090 | the current of a stream runs at the rate of 4 kmph . a boat goes 6 km and back to the starting point in 4 hours , then find the speed of the boat in still water ? | [
"a",
"b",
"c",
"d"
] | D | "s = 4 m = x ds = x + 4 us = x - 4 6 / ( x + 4 ) + 6 / ( x - 4 ) = 4 x = 5.77 answer : d" |
openbookqa | obqa_02_00624 | Something can be classed as hitting if | [
"a thing is touched",
"someone becomes injured afterwards",
"a hand is raised",
"a pain is caused"
] | A | An example of hitting something is dropping an object onto that something |
sciq | sciq_01_01994 | What gives a coil of copper wire the ability to conduct electricity well? | [
"optical bonds",
"metallic electrons",
"metallic bonds",
"metallic ions"
] | C | Image copyright SergiyN, 2014. Coil of copper wire, which conducts electricity well due to metallic bonds . Used under license from Shutterstock. com. |
sciq | sciq_01_10225 | How does the fungus benefit from the photosynthesizer? | [
"supply of carbon dioxide",
"shade",
"supply of food",
"protection from chemicals"
] | C | A lichen is an organism that results from a mutualistic relationship between a fungus and a photosynthetic organism. The other organism is usually a cyanobacterium or green alga. The fungus grows around the bacterial or algal cells. The fungus benefits from the constant supply of food produced by the photosynthesizer. ... |
sciq | sciq_01_04403 | Water is the solvent in solutions called acids and? | [
"proteins",
"bases",
"nutrients",
"alkalines"
] | B | Water is the solvent in solutions called acids and bases. To understand acids and bases, it is important to know more about pure water, in which nothing is dissolved. In pure water (such as distilled water), a tiny fraction of water molecules naturally breaks down, or dissociates, to form ions. An ion is an electricall... |
medmcqa | medmcqa_05_01127 | Drug of choice for chylamydial trachomatis is: March 2007 | [
"Penicilin",
"Erythromycin",
"Vancomycin",
"Azithromycin"
] | D | Ans. D: Azithromycin Because of higher efficacy, better gastric tolerance and convenient once a day dosing, azithromycin is now preferred over erythromycin as first choice drug for infections such as: Legionnaires' pneumonia Chlamydia trachomatis Donovanosis caused by calymmatobacterium granulomatis Chancroid and PPNg ... |
sciq | sciq_01_04698 | While populations with unlimited resources grow exponentially, the population of a species will level off when what limit of its environment is reached? | [
"extinction",
"reproduction",
"niche",
"carrying capacity"
] | D | 45.3 Environmental Limits to Population Growth Populations with unlimited resources grow exponentially, with an accelerating growth rate. When resources become limiting, populations follow a logistic growth curve. The population of a species will level off at the carrying capacity of its environment. |
math_qa | mathqa_03_04430 | on a race track a maximum of 5 horses can race together at a time . there are a total of 25 horses . there is no way of timing the races . what is the minimum number w of races we need to conduct to get the top 3 fastest horses ? | [
"5",
"7",
"8",
"10"
] | B | "w = 7 is the correct answer . good solution buneul . b" |
sciq | sciq_01_10364 | What is the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane? | [
"metastasis",
"endocytosis",
"autolysis",
"ectocytosis"
] | B | Endocytosis is the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane. The membrane folds over the substance and it becomes completely enclosed by the membrane. At this point a membrane-bound sac, or vesicle pinches off and moves the substance into the cytosol. The... |
sciq | sciq_01_08968 | What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns? | [
"bright matter",
"wet matter",
"dark matter",
"gray matter"
] | D | Gray Horns In cross-section, the gray matter of the spinal cord has the appearance of an ink-blot test, with the spread of the gray matter on one side replicated on the other—a shape reminiscent of a bulbous capital “H. ” As shown in Figure 13.14, the gray matter is subdivided into regions that are referred to as horns... |
sciq | sciq_01_06907 | What reproductive method has two parents involved? | [
"mitosis",
"budding",
"sexually",
"pollination"
] | C | Most reptiles reproduce sexually, meaning there are two parents involved. In some families of lizards and one snake family, however, asexual reproduction is possible. This is when only one parent is involved in creating new life. For example, the gecko females can make tiny clones of themselves without the aid of a mal... |
sciq | sciq_01_06218 | When light strikes rhodopsin, the g-protein transducin is activated, which in turn activates what? | [
"hydrolysis",
"photosynthesis",
"phosphodiesterase",
"aldosterone"
] | C | Figure 36.20 When light strikes rhodopsin, the G-protein transducin is activated, which in turn activates phosphodiesterase. Phosphodiesterase converts cGMP to GMP, thereby closing sodium channels. As a result, the membrane becomes hyperpolarized. The hyperpolarized membrane does not release glutamate to the bipolar ce... |
sciq | sciq_01_07882 | What type of bonds form only between metals and nonmetals? | [
"magnetic bonds",
"ionic bonds",
"harmonic bonds",
"non-harmonic bonds"
] | B | Ionic bonds form only between metals and nonmetals. Metals "want" to give up electrons, and nonmetals "want" to gain electrons. Find sodium (Na) in Figure below . Sodium is an alkali metal in group 1. Like other group 1 elements, it has just one valence electron. If sodium loses that one electron, it will have a full o... |
medmcqa | medmcqa_05_03140 | The results of the pulmonary functions tests shownbelow, the best diagnosis is | [
"Asthma",
"Asbestosis",
"ARDS",
"Silicosis"
] | A | Ans. is 'a' i.e., Asthma All expiratory parameters are reduced in the data given with timed vital capacity of 29%. FEV1/FVC is reduced in obstructive airway disease with lowering of peak expiratory flow rates. Due to air trapping in asthma the DLco may be normal or increased |
sciq | sciq_01_03439 | An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life? | [
"liquid",
"plasma",
"water",
"blood"
] | C | 2.2 Water Water has many properties that are critical to maintaining life. It is polar, allowing for the formation of hydrogen bonds, which allow ions and other polar molecules to dissolve in water. Therefore, water is an excellent solvent. The hydrogen bonds between water molecules give water the ability to hold heat ... |
sciq | sciq_01_09956 | The voltage of a voltaic cell can be determined by the reduction potentials of what? | [
"half reactions",
"old reactions",
"thermal reactions",
"full reactions"
] | A | The voltage of a voltaic cell can be determined by the reduction potentials of the half reactions. |
medmcqa | medmcqa_05_00599 | Botulism causes | [
"Descending flaccid paralysis",
"Descending spastic paralysis",
"Ascending paralysis",
"Ascending spastic paralysis"
] | A | Clostridium botulinum produces Type A toxin. It acts by blocking the production or release of acetylcholine at the synapses and neuromuscular junction. Thus block neuromuscular transmission. Onset is marked by diplopia, dysphagia, and dysahria due to cranial nerve involvement. Symmetric descending flaccid paralysis is ... |
medmcqa | medmcqa_05_00165 | The following sign is seen in | [
"Atopic dermatitis",
"Pityriasis alba",
"Psoriasis",
"Dermatomyositis"
] | D | The above image shows presence of pink to violaceous erythema over periorbital areas called as " Heliotrope rash" classically seen in Dermatomyositis. |
sciq | sciq_01_10249 | The mature pollen grain is composed of two cells: the pollen tube cell and which other cell? | [
"photosynthesis cell",
"ova",
"generative cell",
"glial cell"
] | C | Figure 32.7 Pollen develops from the microspore mother cells. The mature pollen grain is composed of two cells: the pollen tube cell and the generative cell, which is inside the tube cell. The pollen grain has two coverings: an inner layer (intine) and an outer layer (exine). The inset scanning electron micrograph show... |
sciq | sciq_01_07648 | Osmosis is driven by the imbalance of what? | [
"water concentration",
"isolation",
"evaporation",
"precipitation"
] | A | Osmosis is the transport of water through a semipermeable membrane from a region of high concentration to a region of low concentration. Osmosis is driven by the imbalance in water concentration. For example, water is more concentrated in your body than in Epsom salt. When you soak a swollen ankle in Epsom salt, the wa... |
medmcqa | medmcqa_05_03255 | Drug which inhibits GPIIb/IIIa and is platelet anti Aggregatory: | [
"Clopidogrel",
"Enoxaparin",
"Fondaparinux",
"Tirofiban"
] | D | Ans. D. TirofibanGP IIb/IIIA are the fibrogen activator receptor. On stimulating they activates the aggregation of platelets. Abciximab and tirofiban are the drugs which block these receptors and inhibit the platelet aggregation. |
ARC-Easy | arc_04_01708 | A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones? | [
"the birds living in the area of the bones",
"the weather conditions in the area of the bones",
"the kinds of trees living in the area of the bones",
"the index fossils in the area of the bones"
] | D | null |
openbookqa | obqa_02_00168 | When a wolf is buried what will happen to other wolves? | [
"small change",
"learn to fly",
"less of them",
"more of them"
] | C | if an organism dies then the population of that organism will decrease |
ARC-Challenge | arc_04_02252 | Plants have cells, tissues, organs, and systems that allow them to function as complete organisms. Which parts of a plant function as an organ? | [
"leaves",
"spores",
"root hairs",
"chlorophyll molecules"
] | A | null |
sciq | sciq_01_05546 | What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes? | [
"algebra",
"Euclidean geometry",
"calculus",
"cartesian geometry"
] | D | The plot that we know of as a graph was the brainchild of the French mathematician-philosopher Rene Descartes (1596-1650). His studies in mathematics led him to develop what was known as “Cartesian geometry”, including the idea of our current graphs. The coordinates are often referred to as Cartesian coordinates. |
sciq | sciq_01_08578 | What happens to the electrical conductivity of metals when placed in a pot of boiling water? | [
"decreases slowly",
"stays the same",
"increases slowly",
"increases quickly"
] | A | levels. If a solid has a filled valence band with a relatively low-lying empty band above it (a conduction band), then electrons can be excited by thermal energy from the filled band into the vacant band where they can then migrate through the crystal, resulting in electrical conductivity. Electrical insulators are poo... |
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