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 ⌀ |
|---|---|---|---|---|---|
math_qa | mathqa_03_00520 | a cyclist bikes x distance at 8 miles per hour and returns over the same path at 812 miles per hour . what is the cyclist ' s average rate for the round trip in miles per hour ? | [
"8.1",
"8.3",
"8.6",
"9.6"
] | D | "distance = d 1 = x miles speed = s 1 = 8 miles per hour time = t 1 = distance / speed = x / 8 2 . going from b to a distance = d 2 = x miles speed = s 2 = 12 miles per hour time = t 2 = distance / speed = x / 12 3 . average speed = total distance / total time total distance = x + x = 2 x total time = x / 12 + x / 8 = ... |
medmcqa | medmcqa_05_00776 | Which of the following is given to prevent methotrexate toxicity? | [
"MESNA",
"Flumazenil",
"Fomipezole",
"Calcium leucovorin"
] | D | Ans. d (Calcium leucovorin) (Ref. Harrison 18th/ p 476, 607)# Methotrexate inhibits dihydrofolate reductase, which regenerates reduced folates from the oxidized folates produced when thymidine monophosphate is formed from deoxyuridine monophosphate.# Without reduced folates, cells die a "thymineless" death.# N-5 tetrah... |
medmcqa | medmcqa_05_00089 | Hansen’s bacillus is cultured in | [
"LJ medium",
"Robertson’s cooked meat medium",
"Foot pad of mice",
"Sabouraud’s agar"
] | C | Hansen’s bacillus is M. leprae and can be grown in Armadillo and Foot pad of mice. |
math_qa | mathqa_03_03102 | 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 r of races we need to conduct to get the top 3 fastest horses ? | [
"5",
"7",
"8",
"10"
] | B | "r = 7 is the correct answer . good solution buneul . b" |
openbookqa | obqa_02_04883 | The more matter a planet is made up, the more likely other bodies are to | [
"Triangle it",
"kiss it",
"punch it",
"be dragged in"
] | D | the mass of a planet causes the pull of gravity on that planet |
sciq | sciq_01_02721 | How much work is done when a force is applied in a different direction than the direction of movement? | [
"minimum",
"none",
"full",
"half"
] | B | Laura Guerin. Work is not done when a force is applied in a different direction than the direction of movement . CC BY-NC 3.0. |
sciq | sciq_01_02289 | What are the largest phylum in the animal kingdom? | [
"arthropods",
"crustaceans",
"mammals",
"cephalopods"
] | A | Arthropods are the largest phylum in the animal kingdom. |
openbookqa | obqa_02_02921 | Where would you find a tool containing cylindrical ferrous material? | [
"at the pyramids",
"in the desert",
"at a junkyard",
"in the jungle"
] | C | an electromagnet contains cylindrical ferrous metal |
math_qa | mathqa_03_00463 | set a contains all the even numbers between 22 and 70 inclusive . set b contains all the even numbers between 62 and 110 inclusive . what is the difference between the sum of elements of set b and the sum of the elements of set a ? | [
"600",
"800",
"1000",
"1200"
] | C | "each term in set b is 40 more than the corresponding term in set a . the difference of the sums = 25 * 40 = 1000 . the answer is c ." |
openbookqa | obqa_02_04183 | The outer shell of our planet is made of | [
"sedimentary formations",
"plastic",
"foam",
"cheese"
] | A | Earth 's surface is made of rock |
medmcqa | medmcqa_05_00314 | In oxidative phosphorylation, the ATP production and respiratory chain are linked by | [
"Chemical methods",
"Physical methods",
"Chemiosmotic methods",
"Conformational changes"
] | C | The chemiosmotic coupling hypothesis is the most accepted theory which explains the mechanism of oxidative phosphorylation.
The theory states that free energy of electron transport is conserved by pumping protons (111 from mitochondrial matrix to the intermembrane space, so as to create an electrochemical proton gradie... |
sciq | sciq_01_03486 | What is the general composition of the continental crust? | [
"limestone",
"marble",
"granite",
"sandstone"
] | C | The average composition of continental crust is granite. |
sciq | sciq_01_05467 | Plants obtain the molecules for cellular function though what? | [
"nutrients",
"tissues",
"photosynthesis",
"Plants"
] | C | Introduction All living organisms need nutrients to survive. While plants can obtain the molecules required for cellular function through the process of photosynthesis, most animals obtain their nutrients by the consumption of other organisms. At the cellular level, the biological molecules necessary for animal functio... |
math_qa | mathqa_03_00939 | if x and y are integers such that x ^ 2 = 2 y and xy = 256 , then x – y = ? | [
"- 30",
"- 24",
"- 5",
"5"
] | B | "here x and y are integers . x ^ 2 = 2 y , xy = 256 . substitute ( x ^ 2 ) / 2 = y in xy = > x ^ 3 = 256 * 2 = > x ^ 3 = 512 . here x ^ 3 is positive , x is also positive . x = 8 then y = 32 . x - y = - 24 so option b is correct" |
sciq | sciq_01_11640 | What is the name of the stage of life when a child becomes sexually mature? | [
"puberty",
"growth spurt",
"maturity",
"adolescence"
] | A | Puberty is the stage of life when a child becomes sexually mature. Puberty lasts from about 10 to 16 years of age in girls and from about 12 to 18 years of age in boys. In both girls and boys, puberty begins when the pituitary gland signals the gonads (ovaries or testes) to start secreting sex hormones (estrogen in gir... |
sciq | sciq_01_01781 | The process of photosynthesis uses chlorophyll, which is located in organelles called what? | [
"fibroblasts",
"mitochondria",
"chloroplasts",
"nucleus"
] | C | Plants are a large and varied group of organisms. There are close to 300,000 species of catalogued plants. Of these, about 260,000 are plants that produce seeds. Mosses, ferns, conifers, and flowering plants are all members of the plant kingdom. The plant kingdom contains mostly photosynthetic organisms; a few parasiti... |
openbookqa | obqa_02_00023 | Many animals that give birth to live young have | [
"gills",
"scales",
"exoskeletons",
"legs"
] | D | mammals give birth to live young |
medmcqa | medmcqa_05_02714 | Medical sociology views illness as ? | [
"Purely medical problem",
"Medical and environmental problem",
"Medical and psychosocial problem",
"Psychosocial problem"
] | C | Ans. is 'c' i.e., Medical and psychosocial problem Medical sociology is a specialization within the field of sociology.Its main interest is in the study of health, health behaviour and medical institutions.As a specialized field, it was first proposed by Charles McIntire in 1894.It is defined as "professional endeavour... |
math_qa | mathqa_03_01819 | exactly 5 % of the reporters for a certain wire service cover local politics in country x . if 30 % of the reporters who cover politics for the wire service do not cover local politics in country x , what percent of the reporters for the wire service do not cover politics ? | [
"20 %",
"42 %",
"44 %",
"92 %"
] | D | "you are correct . people who cover local politics are a subset of people who cover politics . 30 % of reporters who cover politics do not cover local politics so 70 % do cover local politics . reporters covering local politics = 70 % of reporters covering politics = 5 % of all reporters reporters covering politics / a... |
sciq | sciq_01_08645 | The tendency of an object to resist a change in its motion is called? | [
"gravitation",
"friction",
"magnetism",
"inertia"
] | D | Inertia is the tendency of an object to resist a change in its motion. The inertia of an object depends on its mass. Objects with greater mass have greater inertia. To overcome inertia, an unbalanced force must be applied to an object. |
ARC-Easy | arc_04_01736 | Which of the following best describes a role of mushrooms in ecosystems? | [
"capturing energy from sunlight",
"consuming living plant material",
"taking energy from animal hosts",
"breaking down dead plant material"
] | D | null |
sciq | sciq_01_02836 | What covers the body of a fish to help the move their body to swim? | [
"gelatin",
"hairs",
"scales",
"skin"
] | C | Fish are covered with scales. Scales are overlapping tissues, like shingles on a roof. They reduce friction with the water. They also provide a flexible covering that lets fish move their body to swim. |
openbookqa | obqa_02_03143 | Which would an ecologically minded individual most support? | [
"oil",
"gas",
"fracking",
"windmills"
] | D | wind is a renewable resource |
ARC-Easy | arc_04_00015 | A scientist wanting to document a change in a river's flow pattern should observe a river over a period of | [
"days.",
"weeks.",
"months.",
"years."
] | D | null |
sciq | sciq_01_02458 | What process involves the flow of heat from warmer objects to cooler objects? | [
"radiation",
"activation",
"conduction",
"convection"
] | C | Through the process of conduction, heat flows from warmer objects to cooler objects ( Figure below ). The lower mantle is heated directly by conduction from the core. In conduction , heat is transferred as atoms collide. |
sciq | sciq_01_09635 | What is the storage form of glucose in humans and other vertebrates? | [
"placenta",
"neurons",
"fructose",
"glycogen"
] | D | Glycogen is the storage form of glucose in humans and other vertebrates and is made up of monomers of glucose. Glycogen is the animal equivalent of starch and is a highly branched molecule usually stored in liver and muscle cells. Whenever blood glucose levels decrease, glycogen is broken down to release glucose in a p... |
sciq | sciq_01_03592 | What device is an electrochemical cell or series of cells that produces an electric current? | [
"magnet",
"battery",
"generator",
"reactor"
] | B | A battery is an electrochemical cell or series of cells that produces an electric current. In principle, any galvanic cell could be used as a battery. An ideal battery would never run down, produce an unchanging voltage, and be capable of withstanding environmental extremes of heat and humidity. Real batteries strike a... |
sciq | sciq_01_00296 | The ability to regulate what, which is possessed by mammals, was an advantage as earth’s climate went through sudden and dramatic changes? | [
"mutations",
"reflex behaviors",
"hair growth",
"body temperature"
] | D | Mammals have the ability to regulate body temperature. This is an advantage, as Earth’s climate went through sudden and dramatic changes. Mastodons, saber tooth tigers, hoofed mammals, whales, primates and eventually humans all lived during the Cenozoic Era ( Figure below ). |
openbookqa | obqa_02_04374 | Which is likeliest to harm an organism? | [
"cookies",
"drinking",
"eating",
"a car explosion"
] | D | explosions can cause harm to an organism |
math_qa | mathqa_03_01800 | area of square with side x is equal to the area of a triangle with base x . the altitude of the triangle is | [
"x / 2'",
"x'",
"2 x'",
"4 x'"
] | C | x ^ 2 = 1 / 2 ã ƒ â € ” x ã ƒ â € ” h or h = 2 x ^ 2 / x = 2 x answer : c |
openbookqa | obqa_02_02504 | A month that is in the summer in the Northern Hemisphere directly follows which month? | [
"March",
"November",
"January",
"May"
] | D | June is during the summer in the northern hemisphere |
sciq | sciq_01_02686 | What is the goal of science? | [
"improve knowledge",
"gain scholarships",
"increase knowledge",
"improve life expectancy"
] | C | The Hubble space telescope shows that technology and science are closely related. Technology uses science to solve problems, and science uses technology to make new discoveries. However, technology and science have different goals. The goal of science is to answer questions and increase knowledge. The goal of technolog... |
medmcqa | medmcqa_05_04958 | Which of the following act through G protein coupled receptors? | [
"Ach Muscarinic receptors",
"Insulin receptors",
"Ach Nicotinic receptors",
"GABA-A receptors"
] | A | (a) Ach Muscarinic receptors,Ref: Lippincott, 6th ed., pg. 27-28* M1,M2,M3,M4 and M5 are Ach Muscarinic receptors. They are G protein coupled receptors.* M1 and M3 acts trough Gq protein, activates IP3/DAG and increase cytosolic calcium while M2 receptors involve Gi protein, inhibits adenylyl cyclase and increases pota... |
math_qa | mathqa_03_04153 | what is the distance covered by a car if it travels with a speed of 160 kmh for 5 hours ? | [
"350 km",
"400 km",
"800 km",
"600 km"
] | C | distance = time x speed 5 x 160 = 800 answer : c |
openbookqa | obqa_02_04336 | as a source of light moves directly overhead of an object , the size of the shadow of that object will do what? | [
"increase",
"plummet",
"rise",
"grow"
] | B | as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease |
openbookqa | obqa_02_04765 | Which is a byproduct of a lightbulb? | [
"taste",
"death",
"warmth",
"sound"
] | C | an incandescent light bulb converts electricity into heat by sending electricity through a filament |
openbookqa | obqa_02_00743 | The best way to start a fire is to use | [
"moisture deprived logs",
"old branches",
"green branches",
"chopped logs"
] | A | dry wood easily burns |
sciq | sciq_01_05142 | Species distributions are a consequence of both ecological and evolutionary what? | [
"interactions",
"particles",
"isolation",
"fluctuations"
] | A | |
sciq | sciq_01_05703 | What captures carbon dioxide as it is emitted by a power plant before it enters the atmosphere? | [
"oxide sequestration",
"chemical sequestration",
"nitrogen sequestration",
"carbon sequestration"
] | D | Carbon sequestration captures carbon dioxide as it is emitted by a power plant before it enters the atmosphere. The carbon dioxide is then stored in another form. Carbon is sequestered naturally by forests. Trees take in carbon dioxide for photosynthesis. Artificial methods of sequestering carbon underground are being ... |
openbookqa | obqa_02_00672 | Preparing food at the proper temperatures | [
"is too much work and should be avoided",
"eradicates potential illness causing organisms",
"allows bacteria to flourish",
"leaves meat raw and under cooked"
] | B | cooking food to proper temperatures protects against food poisoning by killing bacteria and viruses |
sciq | sciq_01_08439 | When we neutralize a weak base with a strong acid, the product is ________ containing the conjugate acid of the weak base. | [
"water",
"an ion",
"salt",
"an electron"
] | C | Salts of Weak Bases and Strong Acids When we neutralize a weak base with a strong acid, the product is a salt containing the conjugate acid of the weak base. This conjugate acid is a weak acid. For example, ammonium chloride, NH4Cl, is a salt formed by the reaction of the weak base ammonia with the strong acid HCl: NH ... |
sciq | sciq_01_02045 | The cochlea is a shell-like structure that is full of fluid and lined with nerve cells called what? | [
"hair cells",
"brain cells",
"red cells",
"sperm cells"
] | A | The stirrup passes the amplified sound waves to the inner ear through the oval window (see Figure above ). When the oval window vibrates, it causes the cochlea to vibrate as well. The cochlea is a shell-like structure that is full of fluid and lined with nerve cells called hair cells. Each hair cell has tiny hair-like ... |
openbookqa | obqa_02_03088 | If a person restores a garden complete with oaks, then they have replaced | [
"concrete",
"jelly",
"steam",
"a resource"
] | D | An example of replacing a natural resource is planting new trees where a forest once stood |
openbookqa | obqa_02_01235 | What shows that as the size of a flower increases , the number of pollinators it will attract increases? | [
"butterflies blend in with flowers where they exist",
"ducks prefer to sleep in water that has flowering water lilies",
"people prefer to walk through gardens that have a large number of flowering plants",
"planting flowering plants causes bees to gather en masse"
] | D | as the size of a flower increases , the number of pollinators it will attract increases |
ARC-Easy | arc_04_01494 | What is necessary to use on a telescope in order to photograph solar flares and solar prominences? | [
"a light filter",
"a chronograph",
"an electric drive",
"a series of mirrors"
] | A | null |
sciq | sciq_01_11078 | What causes reduction of elasticity in all organs? | [
"weight gain",
"age",
"radiation",
"low vitamin D"
] | B | Unlike bones and tendons, which need to be strong as well as elastic, the arteries and lungs need to be very stretchable. The elastic properties of the arteries are essential for blood flow. The pressure in the arteries increases and arterial walls stretch when the blood is pumped out of the heart. When the aortic valv... |
sciq | sciq_01_04520 | What gland secretes its products directly into the urethra through several small ducts | [
"pituitary",
"adrenal",
"prostate",
"thyroid"
] | C | |
sciq | sciq_01_05983 | Many structures in fish are adaptations for what type of lifestyle? | [
"carnivorous",
"aquatic",
"symbiotic",
"asexual"
] | B | Many structures in fish are adaptations for their aquatic lifestyle. Several are described below and shown in Figure below . |
openbookqa | obqa_02_00619 | plants gather their nutrients from the | [
"tinder",
"concrete ground",
"area under grass",
"store"
] | C | soil contains nutrients for plants |
sciq | sciq_01_05253 | Which cell gives rise to all cells of the human body? | [
"totipotent stem cell",
"omnipoten stem cell",
"signaler stem cell",
"schwann stem cell"
] | A | ability to diversify at each step. The totipotent stem cell is the zygote, or fertilized egg. The totipotent (toti- = “all”) stem cell gives rise to all cells of the human body. The next level is the pluripotent stem cell, which gives rise to multiple types of cells of the body and some of the supporting fetal membrane... |
medmcqa | medmcqa_05_03017 | Molecular separation of two proteins with same charge can be done by: | [
"Ion exchange chromatography",
"Dialysis",
"Gel diffusion chromatography",
"Electrophoresis"
] | C | C i.e. Gel diffusion Chomatography |
ARC-Easy | arc_04_01327 | Students stir salt, sand, sawdust, and seashells into a jar filled with water. Which of the materials will form a solution? | [
"salt and water",
"sand and sawdust",
"seashells and water",
"sawdust and seashells"
] | A | null |
medmcqa | medmcqa_05_04267 | Platelet adhesion to collagen occurs | [
"Factor VIII",
"Factor IX",
"Von-Willebrand factor",
"Fibronectin"
] | C | . Von-Willebrand factor |
sciq | sciq_01_09892 | What do plants make to store extra glucose? | [
"fats",
"sugars",
"water",
"starches"
] | D | Starches are complex carbohydrates. They are polymers of glucose. Starches contain hundreds of glucose monomers. Plants make starches to store extra glucose. Consumers can get starches by eating plants. Common sources of starches in the human diet are pictured Figure below . Our digestive system breaks down starches to... |
sciq | sciq_01_01644 | How does the diaphragm look like when it is at rest? | [
"dam - shaped",
"dome-shaped",
"flat",
"inverted"
] | B | The Diaphragm The change in volume of the thoracic cavity during breathing is due to the alternate contraction and relaxation of the diaphragm (Figure 11.17). It separates the thoracic and abdominal cavities, and is dome-shaped at rest. The superior surface of the diaphragm is convex, creating the elevated floor of the... |
medmcqa | medmcqa_05_03102 | The tendency for turbulent flow is greatest in | [
"image_question",
"image_question",
"image_question",
"image_question"
] | D | The tendency for turbulent flow is greatest in the aoa. The turbulence of flow depends upon Reynold&;s Number: Reynold&;s Number Type of Blood flow <2000 Laminar 2000-3000 Transitional >4000 Turbulent In the proximal poions of the aoa and pulmonary aery, Reynold&;s Number can rise to several thousand during the rapid p... |
medmcqa | medmcqa_05_02531 | Delusion is a disorder of: Al 07; Gujarat 07; MP 11; Bihar 12 | [
"Thought",
"Perception",
"Insight",
"Cognition"
] | A | Ans. Thought |
sciq | sciq_01_01271 | What causes eutrophication to occur? | [
"excess of carbonate and other nutrients",
"excess of fertilizers and other nutrients",
"excess of decreased and other nutrients",
"excess of increased and other nutrients"
] | B | Fertilizer in runoff leads to algal blooms and dead zones in bodies of water. This type of pollution is called nonpoint-source pollution. Point-source pollution includes waste water from factories and sewage treatment plants. Hot water discharge causes thermal pollution. |
math_qa | mathqa_03_04741 | a part of certain sum of money is invested at 6 % per annum and the rest at 15 % per annum , if the interest earned in each case for the same period is equal , then ratio of the sums invested is ? | [
"4 : 6",
"4 : 9",
"4 : 3",
"5 : 2"
] | D | "15 : 6 = 5 : 2 answer : d" |
medmcqa | medmcqa_05_00880 | Internal sphincterotomy is the treatment of choice for: | [
"Piles",
"Fissure in ano",
"Fistula",
"Carcinoma"
] | B | Ans. (b) Fissure in anoRef: Bailey 26th edition Page 1248* Lateral sphincterotomy of Notaras is done for fissure in ano.* Internal sphincter is laterally cut. |
sciq | sciq_01_03267 | The existence of (virtual) photons is possible only by virtue of the heisenberg uncertainty principle and can travel an unlimited distance, so the range ofthe electromagnetic for is what? | [
"infinite",
"simple",
"finite",
"generated"
] | A | CRITICAL THINKING QUESTIONS 19. How are neurons similar to other cells? How are they unique? 20. Multiple sclerosis causes demyelination of axons in the brain and spinal cord. Why is this problematic?. |
sciq | sciq_01_07564 | What are seamounts that rise above the water surface called? | [
"islands",
"reefs",
"sandbars",
"coasts"
] | A | A seamount is a volcanic mountain on the ocean floor. Seamounts that rise above the water surface are known as islands. There are many seamounts dotting the seafloor. |
ARC-Challenge | arc_04_02482 | Which is true of the seasonal weather patterns of places that are at the same latitude? | [
"They have the same wind patterns.",
"They have the same amount of rain.",
"They have the same intensity of sunlight.",
"They have the same kinds of severe weather."
] | C | null |
medmcqa | medmcqa_05_03284 | Most common extra intestinal manifestation of amoebiasisis | [
"Amoebic liver abscess",
"Pleural effusion",
"Atelactasis",
"Cardiac tamponade"
] | A | Ans. is 'a' i.e., Amoebic liver abscess * Amoebic Ever abscess is the most common extraintestinal manifestation of amebiasis. Disease begins when E. histolytica trophozoites penetrate through the colonic mucosa, travel through the portal circulation, and reach the liver.* Most individuals with amebic liver abscess do n... |
medmcqa | medmcqa_05_03774 | BRCA1 gene is located on which chromosome? | [
"Chromosome 13",
"Chromosome 19",
"Chromosome 21",
"Chromosome 17"
] | D | The BRCA2 gene is located on chromosome 13 and encodes over 3000 amino acids. It appears that BRCA2 plays an important role in male breast cancer.
• The human BRCA1 gene is located on the long (q) arm of chromosome 17 |
medmcqa | medmcqa_05_00634 | Which of the following conditions is most likely to lead to a dry tap during bone marrow aspiration ? | [
"Acute lymphoblastic leukemia",
"Multiple myeloma",
"Megaloblastic anaemia",
"Idiopathic myelofibrosis"
] | D | Ans. is 'd' i.e., Idiopathic myelofibrosis |
sciq | sciq_01_02981 | What is it called when organisms with traits that better enable them to adapt to their environment tend to survive and reproduce in greater numbers? | [
"evolution",
"natural distribution",
"adaptation",
"natural selection"
] | D | New species develop naturally through the process of natural selection . Due to natural selection, organisms with traits that better enable them to adapt to their environment will tend to survive and reproduce in greater numbers. Natural selection causes beneficial heritable traits to become more common in a population... |
sciq | sciq_01_04252 | Each line in a structural formula represents a pair of shared what? | [
"waves",
"ions",
"electrons",
"atoms"
] | C | |
math_qa | mathqa_03_02753 | if 6 x ^ 2 + x - 12 = ( hx + b ) ( cx + d ) , then | h | + | b | + | c | + | d | = for a complete solution and more practice problems , see this blog : http : / / magoosh . com / gmat / 2012 / algebra - on . . . to - factor / | [
"10",
"12",
"15",
"18"
] | B | 6 x ^ 2 + x - 12 = 6 x ^ 2 + 9 x - 8 x - 12 = > 3 x ( 2 x + 3 ) - 4 ( 2 x + 3 ) = > ( 2 x + 3 ) ( 3 x - 4 ) = ( hx + b ) ( cx + d ) hence h = 2 , b = c = 3 , d = - 4 so , 2 + 3 + 3 + | - 4 | = 2 + 3 + 3 + 4 = 12 answer b . |
sciq | sciq_01_11028 | Food provides what type of energy needed by organisms, which is stored in bonds? | [
"radiation energy",
"caffeine",
"chemical energy",
"calories"
] | C | The chemical energy that organisms need comes from food. Food consists of organic molecules that store energy in their chemical bonds. In terms of obtaining food for energy, there are two types of organisms: autotrophs and heterotrophs. |
openbookqa | obqa_02_00674 | While robins refuse to eat much aside from insects, worms and fruit, most birds can make a nice meal out of | [
"potato boxes",
"small beds",
"wildflower kernels",
"grass stains"
] | C | birds sometimes eat seeds |
sciq | sciq_01_09942 | The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name arthrophyta, which means this? | [
"elongated plant",
"jointed plant",
"solid plant",
"molted plant"
] | B | The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name Arthrophyta, which means “jointed plant”. Leaves and branches come out as whorls from the evenly spaced rings. The needle-shaped leaves do not contribute greatly to photosynthesis, the majority of which takes place in the green... |
medmcqa | medmcqa_05_04726 | For growth of bone, which term is most appropriate: | [
"Enlargement",
"Apposition",
"Hyper plasia",
"Hyperophy"
] | B | B i.e. Apposition Because bone tissue is made only by osteoblasts, the growth of bone is achieved only by deposition of new bone on pre existing surface - known as appositional growth. |
sciq | sciq_01_02902 | What is the most common type of cancer in adult males? | [
"lung cancer",
"prostate cancer",
"liver cancer",
"stomach cancer"
] | B | Cancer is usually found in adults, especially in adults over the age of 50. The most common type of cancer in adult males is cancer of the prostate gland. The prostate gland is part of the male reproductive system. Prostate cancer makes up about one third of all cancers in men. The most common type of cancer in adult f... |
math_qa | mathqa_03_02732 | if 3 x = 8 y = z , what is x + y , in terms of z ? | [
"z / 2",
"2 z",
"11 z / 24",
"3 z / 5"
] | C | "3 x = 8 y = z x = z / 3 and y = z / 8 x + y = z / 3 + z / 8 = 11 z / 24 answer is c" |
sciq | sciq_01_04572 | What is the largest known virus? | [
"polyomavirus",
"influenza virus",
"pneumonia virus",
"mimivirus"
] | D | The largest known virus, called mimivirus, is so large that scientists first mistook it for a bacterium. It was first discovered in amoeba, in 1992, and was identified as a virus in 2003. Scientists believe that mimivirus may cause certain types of pneumonia in humans. The core contains DNA, with the majority of the DN... |
math_qa | mathqa_03_01199 | two trains 190 m and 160 m long run at the speed of 60 km / hr and 40 km / hr respectively in opposite directions on parallel tracks . the time which they take to cross each other is ? | [
"10.7",
"10.9",
"10.6",
"12.6"
] | D | "relative speed = 60 + 40 = 100 km / hr . = 100 * 5 / 18 = 250 / 9 m / sec . distance covered in crossing each other = 190 + 160 = 350 m . required time = 350 * 9 / 250 = 12.6 sec . answer : d" |
math_qa | mathqa_03_04863 | the average weight of 20 persons sitting in a boat had some value . a new person added to them whose weight was 48 kg only . due to his arrival , the average weight of all the persons decreased by 5 kg . find the average weight of first 20 persons ? | [
"55",
"56",
"57",
"58"
] | C | 20 x + 48 = 21 ( x – 5 ) x = 57 answer : c |
medmcqa | medmcqa_05_04179 | Anti GBM antibodies are seen in? | [
"Wegener's granulomatosis",
"Goodpasture syndrome",
"PAN",
"SLE"
] | B | Ans: b (Goodpasture's syndrome) Ref: Robbins, 7th ed, p. 968Goodpasture syndrome is due to anti GBM antibodies that react with GBM as well as other basement membranes especially those in the lung alveoli, resulting in simultaneous lung and kidney lesions. The GBM antigen is a component of the noncollagenous domain (NC1... |
openbookqa | obqa_02_01019 | If John wants to save a little every month, what can he do to help with his water bill? | [
"dripping the sink at night",
"taking a bath twice a day",
"flushing the toilet more",
"repairing all his pipes"
] | D | using less resources usually causes money to be saved |
math_qa | mathqa_03_03415 | 12 men work 8 hours per day to complete the work in 10 days . to complete the same work in 4 days , working 15 hours a day , the number of men required ? | [
"15 days",
"12 days",
"16 days",
"18 days"
] | C | that is , 1 work done = 12 × 8 × 10 then , 12 8 × 10 = ? × 15 × 6 ? ( i . e . no . of men required ) = 12 × 8 × 10 / 15 × 6 = 16 days c ) |
sciq | sciq_01_06225 | Which organisms break down either organic or inorganic molecules to supply energy for the cell? | [
"spicule organisms",
"chemotrophic organisms",
"asexual organisms",
"photoreactive organisms"
] | B | Chemotrophic organisms break down either organic or inorganic molecules to supply energy for the cell. Some chemotrophic organisms can also use their organic energy-supplying molecules as a carbon supply, which would make them chemoheterotrophs. |
sciq | sciq_01_10694 | The direction of the rotation of hurricanes is influenced by which force? | [
"jetstream force",
"coriolis force",
"centrifugal force",
"headwind force"
] | B | Coriolis force to the right. Just the opposite occurs in the southern hemisphere; there, the force is to the left. Because Earth’s angular velocity is small, the Coriolis force is usually negligible, but for large-scale motions, such as wind patterns, it has substantial effects. The Coriolis force causes hurricanes in ... |
medmcqa | medmcqa_05_00453 | A 29yrs old nulliparous woman complains of severe menorrhagia and lower abdominal pain since 3months .On examination there was a 14 weeks size uterus with fundal fibroid .The treatment of choice is | [
"Myomectomy",
"GnRH analogues",
"Hysterectomy",
"Observation"
] | A | Routes of myomectomy : Abdominal myomectomy Vaginal myomectomy: Done in case of submucosal pedunculated fibroid Hysteroscopic myomectomy: Submucosal fibroid which cannot be removed by simple vaginal route can be removed with the help of hysteroscope use when myoma <5 cms in size Laproscopic myomectomy: Indicated for pe... |
sciq | sciq_01_08724 | What is the common term for single-celled fungi? | [
"yeasts",
"sponges",
"mushrooms",
"prokaryotes"
] | A | Most fungi are multicellular, but some exist as single cells. Single-celled fungi are known as yeasts. Fungi spend most of their life cycle in the haploid state. They form diploid cells only during sexual reproduction. Like the cells of protists and plants, the cells of fungi have cell walls. But fungi are unique in ha... |
medmcqa | medmcqa_05_00019 | Hyperacute rejection occurs within:? | [
"12 hours",
"2 weeks",
"1 month",
"3 months"
] | A | Ans. (a) 12 hours(Ref: Robbins 9th ed p 233)Hyperacute rejection occurs when preformed antidonor antibodies are present in the circulation of the recipient. This form of rejection occurs within minutes or hours after transplantation. A hyperacutely rejecting kidney rapidly becomes cyanotic, mottled, and flaccid, and ma... |
sciq | sciq_01_08821 | Photoreceptors in each ocellus receive light only through the opening where there are none of which cells? | [
"clear",
"secreted",
"pigmented",
"opqaue"
] | C | |
openbookqa | obqa_02_00138 | A car slowed down because of | [
"bad brakes",
"the engine size",
"the wind",
"the steering wheel"
] | C | a force acting on an object in the opposite direction that the object is moving can cause that object 's speed to decrease in a forward motion |
math_qa | mathqa_03_00026 | a pet groomer has 7 animals to groom for the day ( 2 cats and 5 dogs ) . if she randomly selects 4 animals to groom before lunch , what is the probability she will finish all the cats before lunch ? | [
"3 / 7",
"2 / 7",
"12 / 13",
"5 / 11"
] | B | combination probability formula : ncr = n ! / [ r ! ( n - r ) ! ] total possible , select 4 animals from 7 animals = 7 c 4 = 7 ! / [ 4 ! ( 7 - 4 ) ! ] = 35 . to finish all 2 cats there must be 2 dogs , select 2 dogs from 5 = 5 c 2 = 10 . and , select 2 cats from 2 = 2 c 2 = 1 . 2 cats and 2 dogs = ( 1 ) ( 10 ) = 10 pro... |
medmcqa | medmcqa_05_00844 | Midgut is supplied by? | [
"Superior mesenteric artery",
"Inferior mesenteric artery",
"Celiac trunk",
"Anastomotic arcade of various arteries"
] | A | ANSWER: (A) Superior mesenteric arteryREF: Langmans medical embryology 9th edition page 298, http://en.wikipedia.org.wikipedia org/wiki/H uman_gasto inte stinal_tractThe midgut is supplied with blood by the superior mesenteric artery and innervated by the vagus nerve.Since the foregut is supplied by the celiac artery a... |
ARC-Easy | arc_04_00946 | The water contained in a geyser system gains energy from the underground material surrounding it. The water molecules gain kinetic energy and this results in an increase in the pressure of the water. Eventually the geyser erupts and expels water into the air above ground. Which of the following types of energy is the s... | [
"electrical",
"magnetic",
"mechanical",
"thermal"
] | D | null |
sciq | sciq_01_11123 | What is a disease in which the immune system makes an inflammatory response to a harmless antigen? | [
"bronchitis",
"an allergy",
"cancer",
"heartburn"
] | B | An allergy is a disease in which the immune system makes an inflammatory response to a harmless antigen . Any antigen that causes an allergy is called an allergen. Allergens may be inhaled or ingested, or they may come into contact with the skin. Two common causes of allergies are shown in Figure below . Inhaling ragwe... |
openbookqa | obqa_02_04727 | If a species of animal is endangered or going extinct, it's because too many of them have stopped | [
"mating",
"hugging",
"nothing",
"dying"
] | A | if members of a species are born then the population of that species increases |
sciq | sciq_01_08506 | What term refers to the breaking stress that will cause permanent deformation or fracture of a material? | [
"elasticity",
"malleability",
"tensile strength",
"viscosity"
] | C | makes it clear that the deformation is proportional to the applied force. Figure 5.13 shows the Hooke’s law relationship between the extension ΔL of a spring or of a human bone. For metals or springs, the straight line region in which Hooke’s law pertains is much larger. Bones are brittle and the elastic region is smal... |
openbookqa | obqa_02_00302 | if a person remotely controls a machine to do something, which of these is required? | [
"a thing for information",
"these are all incorrect",
"a meal to eat",
"a floral plant life"
] | B | a computer controls a robot |
sciq | sciq_01_10622 | The primary amine in which the nitrogen atom is attached directly to a benzene ring has a special name, what is it? | [
"cyanide",
"aldehyde",
"aniline",
"nitrate"
] | C | The primary amine in which the nitrogen atom is attached directly to a benzene ring has a special name—aniline. Aryl amines are named as derivatives of aniline. |
ARC-Easy | arc_04_00048 | Which characteristic is affected by interactions with the environment? | [
"weight",
"eye color",
"blood type",
"handedness"
] | A | null |
sciq | sciq_01_08262 | If a quantity of a reactant remains unconsumed after complete reaction has occurred, it is? | [
"missing",
"in excess",
"reduced",
"static"
] | B | The stoichiometry of a reaction describes the relative amounts of reactants and products in a balanced chemical equation. A stoichiometric quantity of a reactant is the amount necessary to react completely with the other reactant(s). If a quantity of a reactant remains unconsumed after complete reaction has occurred, i... |
sciq | sciq_01_05135 | What occurs when two nonpolar liquids are mixed? | [
"sediment - nonpolar interactions",
"nonpolar-nonpolar interactions",
"polar-nonpolar interactions",
"refracted - nonpolar interactions"
] | B | Nonpolar-nonpolar interactions occur when two nonpolar liquids are mixed. An example of this is the interaction between toluene and octane (see Figures above and below ). The interactions between a molecule of toluene and a molecule of octane are relatively weak, but so are the toluene-toluene and octane-octane interac... |
openbookqa | obqa_02_01403 | A person in space will find a lack of something to drink if they land on | [
"Mars",
"the earth",
"the moon",
"third planet"
] | C | the moon does not contain water |
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