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_03153 | a number x is 11 times another number y . the percentage that y is less than x is | [
"12.5 %",
"90.9",
"91.7",
"11 %"
] | B | "say y = 1 and x = 11 . then y = 1 is less than x = 11 by ( 11 - 1 ) / 11 * 100 = 10 / 11 * 100 = 90.9 % . answer : b ." |
ARC-Easy | arc_04_00362 | Most of the concentration of which gas results from the activity of producer organisms? | [
"nitrogen",
"oxygen",
"water vapor",
"carbon dioxide"
] | B | null |
openbookqa | obqa_02_04113 | When light enters the eye through the pupil the light falls on the what? | [
"brain",
"optic disk",
"retina diagram",
"nose"
] | B | when light enters the eye through the pupil , that light falls on the retina |
sciq | sciq_01_05619 | What kind of reproduction, in general, relies on sets of cells that are precursors for eggs and sperm? | [
"fusion",
"sexual",
"asexual",
"binary fission"
] | B | |
math_qa | mathqa_03_00036 | a sum of money is to be divided among ann , bob and chloe . first , ann receives $ 4 plus one - half of what remains . next , bob receives $ 4 plus one - third of what remains . finally , chloe receives the remaining $ 32 . how much money t did bob receive ? | [
"20",
"22",
"24",
"26"
] | B | "notice that we need not consider ann ' s portion in the solution . we can just let k = the money remaining after ann has received her portion and go from there . our equation will use the fact that , once we remove bob ' s portion , we have $ 32 for chloe . so , we getk - bob ' s $ = 32 bob received 4 dollars plus one... |
openbookqa | obqa_02_00676 | In the desert, the cactus is a rare source of | [
"food",
"shelter",
"moisture",
"shade"
] | C | a cactus stores water |
sciq | sciq_01_10580 | Which gas is responsible for global warming? | [
"carbon dioxide",
"ozone",
"oxygen",
"hydrocarbons"
] | A | The atmosphere contains small amounts of carbon dioxide. Climatologists have found that humans are putting a lot of extra carbon dioxide into the atmosphere. This is mostly from burning fossil fuels. The extra carbon dioxide traps heat from the Sun. Trapped heat causes the atmosphere to heat up. We call this global war... |
sciq | sciq_01_02346 | Reflected in their relatively high level of intelligence and their ability to learn new behaviors, what organs tend to be relatively large in primates? | [
"lungs",
"kidneys",
"hearts",
"brains"
] | D | Primates tend to have bigger brains for their body size than other mammals. This is reflected in their relatively high level of intelligence and their ability to learn new behaviors. |
sciq | sciq_01_06794 | When is a moving car said to be in dynamic equilibrium? | [
"at homeostasis",
"when accelerating",
"zero net force",
"at rest"
] | C | Figure 9.3 This car is in dynamic equilibrium because it is moving at constant velocity. There are horizontal and vertical forces, but the net external force in any direction is zero. The applied force F app between the tires and the road is balanced by air friction, and the weight of the car is supported by the normal... |
sciq | sciq_01_06212 | What determines the ability of soil particles to bind many nutrients? | [
"layer charges",
"surface pulses",
"surface charges",
"currents charges"
] | C | |
medmcqa | medmcqa_05_01639 | Dorsal scapular nerve supplies - | [
"Teres minor",
"Serratus anterior",
"Trapezius",
"Levator scapulae"
] | D | Muscles supplied by dorsal scapular nerve
- Levator scapulae
- Rhomboid major
- Rhomboid minor |
math_qa | mathqa_03_01421 | the number which exceeds 12 % of it by 52.8 is : | [
"60",
"77",
"269",
"26"
] | A | "explanation : let the number be x . then , x – 12 % of x = 52.8 x – ( 12 / 100 ) x = 52.8 x ( 1 – 12 / 100 ) = 52.8 ( 88 / 100 ) x = 52.8 x = ( 100 x 52.8 ) / 88 = 60 answer : a" |
sciq | sciq_01_08093 | What do you call the illness that occurs when harmful bacteria enter the digestive system in food? | [
"meat poisoning",
"food poisoning",
"bacteria poisoning",
"nutrition poisoning"
] | B | illness that occurs when harmful bacteria enter the digestive system in food; commonly called food poisoning. |
sciq | sciq_01_08157 | Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them? | [
"moons",
"black holes",
"dark matter",
"worm holes"
] | B | The largest-mass stars become black holes . These extremely large stars end their life in the same way as a medium-mass star in that they become a supernova. After the outer layers are blown away in the supernova, however, the core of the star shrinks down in volume but still has a huge mass. The density of this object... |
sciq | sciq_01_02984 | Structurally, diplomonads have two equal-sized what and multiple flagella? | [
"nuclei",
"neutrons",
"electrons",
"atoms"
] | A | |
ARC-Challenge | arc_04_03075 | A small ice cube at a temperature of 0°C is dropped into a glass of water at 28°C and melts. What is the temperature of the water in the glass just after the ice cube melts? | [
"0°C",
"between 0°C and 28°C",
"28°C",
"greater than 28°C"
] | B | null |
math_qa | mathqa_03_03946 | a tank is filled to one quarter of its capacity with a mixture consisting of water and sodium chloride . the proportion of sodium chloride in the tank is 50 % by volume and the capacity of the tank is 24 gallons . if the water evaporates from the tank at the rate of 0.5 gallons per hour , and the amount of sodium chlor... | [
"32 %",
"36 %",
"40 %",
"44 %"
] | C | "the number of gallons in the tank is ( 1 / 4 ) 24 = 6 gallons the amount of sodium chloride is 0.5 ( 6 ) = 3 gallons at the start , the amount of water is 0.5 ( 6 ) = 3 gallons after 2 hours , the amount of water is 3 - 0.5 ( 2 ) = 2 gallons the concentration of water is 2 / ( 3 + 2 ) = 2 / 5 = 40 % the answer is c ." |
sciq | sciq_01_02912 | Water can be a solid, liquid, and what other form? | [
"ooze",
"square",
"gas",
"plasma"
] | C | Water can be a solid, liquid, or a gas. |
openbookqa | obqa_02_03692 | Pollination is required for what to reproduce? | [
"whales",
"bees",
"sunflowers",
"humans"
] | C | plant reproduction requires pollination |
medmcqa | medmcqa_05_01948 | Which of the milestones develop first | [
"Mirror play",
"Crawling",
"Creeping",
"Pincer grasp"
] | A | *Mirror play is attained by 6 months *Crawling by 8 months *Creeps by 10 months and creeps well by 12 months *Immature pincer grasp by 10 months *Mature pincer grasp by 12 months Ref : OP GHAI - ESSENTIAL PEDIATRICS - 8 TH edition page no 4 and 52 |
openbookqa | obqa_02_01447 | When a light switch is turned on | [
"brilliant sparks arc along the wall",
"the light colors are switched with the dark colors",
"ions are pushed along a copper wire",
"a cat in a box of poison dies"
] | C | when an electrical circuit is working properly , electrical current runs through the wires in that circuit |
ARC-Challenge | arc_04_02585 | Safe practices in the laboratory include all of these except | [
"tying back long hair.",
"wearing safety goggles.",
"performing each step quickly.",
"wiping up spills immediately."
] | C | null |
sciq | sciq_01_01891 | What is found at the top of the stamen? | [
"fungi",
"pollen",
"petals",
"pistil"
] | B | The next structure is the stamen , consisting of the stalk-like filament that holds up the anther , or pollen sac. The pollen, which is found at the top of the stamen, is the male gametophyte. |
sciq | sciq_01_04907 | What female flower structure, which is part of the pistil, receives the pollen grains and passes them to the ovary? | [
"sepal",
"style",
"stigma",
"ovary"
] | C | Flowers are the reproductive organs of plants. Each pea plant flower has both male and female parts. The anther is part of the stamen, the male structure that produces male gametes (pollen). The stigma is part of the pistil, the female structure that produces female gametes and guides the pollen grains to them. The sti... |
sciq | sciq_01_05704 | What type of oil is being explored to replace petroleum products in lubricants? | [
"diesel",
"essential oil",
"vegetable",
"whale oil"
] | C | Vegetable oils are being explored for a variety of uses in which they could replace petroleum products. One such application is in the field of lubricants. Every moving part in machinery (such as engine pistons) needs lubrication to decrease friction and prolong the life of the equipment. Petroleum products serve this ... |
math_qa | mathqa_03_00554 | in one hour , a boat goes 11 km along the stream and 5 km against it . find the speed of the boat in still water | [
"6",
"7",
"8",
"9"
] | C | "explanation : we know we can calculate it by 1 / 2 ( a + b ) = > 1 / 2 ( 11 + 5 ) = 1 / 2 ( 16 ) = 8 km / hr answer is c" |
sciq | sciq_01_11103 | Integral and peripheral proteins are associated with what fatty bilayer? | [
"protein",
"lipid",
"cartilage",
"carbohydrate"
] | B | Integral proteins span the lipid bilayer, while peripheral proteins associate with the surfaces of the lipid bilayer. aid in the movement of charged and polar species across the membrane. |
math_qa | mathqa_03_03394 | if x + y = - 10 , and x = 25 / y , what is the value of x ^ 2 + y ^ 2 ? | [
"55",
"65",
"50",
"75"
] | C | "x ^ 2 + y ^ 2 should make you think of these formulas : ( x + y ) ( x + y ) = x ^ 2 + y ^ 2 + 2 xy we already know ( x + y ) = - 10 and x * y = 25 ( x + y ) ( x + y ) = ( - 10 ) ( - 10 ) = x ^ 2 + y ^ 2 + 2 * ( 25 ) x ^ 2 + y ^ 2 = 100 - 50 = 50 answer : c" |
openbookqa | obqa_02_03505 | A creature wanting heat will want to make its home | [
"somewhere wet and foggy",
"deep in the rainforest",
"a place where water is sparse",
"somewhere with a lot of insects"
] | C | a desert environment is usually hot in temperature |
sciq | sciq_01_09221 | Human actions such as plowing, logging, construction and other actions contribute to what kind of erosion? | [
"weathering",
"wind erosion",
"soil erosion",
"flooding"
] | C | Many human actions make it easier for wind and water to carry away soil. They include plowing, logging, construction, and even some types of recreation. |
ARC-Easy | arc_04_02023 | The process by which organisms with favorable variations reproduce at higher rates than those without such variations is | [
"disruptive selection.",
"natural selection.",
"sexual selection.",
"directional selection."
] | B | null |
medmcqa | medmcqa_05_01679 | Which type of tonometer is best for measuring IOT – | [
"Schiotz tonometer",
"Applanation tonometer",
"Pulse air tonometer",
"Indentation tonometer"
] | B | Measurement of intraocular pressure (1OP)
Measurement of IOP is done by:-
Manometry :- It is the only direct measure of IOP.
Tonometry :- It is an indirect method of measurement of IOP. Following types of tonometers are there:-
i) Indentation (impression) tonometer :- These are the most commonly used tonometers.... |
medmcqa | medmcqa_05_03842 | Non- selective proteinuria is seen in: | [
"Minimal change",
"Mesangial-proliferative GN",
"Membranous glomerulonephritis",
"Nodular Glomerulosclerosis"
] | C | Membranous glomerulonephritis loss of size selectivity + loss of charge selectivity - Non selective proteinuria Minimal change nephropathy loss of the charge selectivity, size selectivity of the glomerular capillary wall is intact - preferential albuminuria |
math_qa | mathqa_03_01298 | kim finds a 3 - meter tree branch and marks it off in thirds and fifths . she then breaks the branch along all the markings and removes one piece of every distinct length . what fraction of the original branch remains ? | [
"2 / 5",
"3 / 5",
"8 / 15",
"1 / 2"
] | B | 3 pieces of 1 / 5 length and two piece each of 1 / 15 and 2 / 15 lengths . removing one piece each from pieces of each kind of lengths the all that will remain will be 2 pieces of 1 / 5 i . e 2 / 5 , 1 piece of 1 / 15 , and 1 piece of 2 / 15 which gives us 2 / 5 + 1 / 15 + 2 / 15 - - - - - > 3 / 5 answer is b |
ARC-Easy | arc_04_01607 | Which organisms benefit in the relationship between bees and flowering plants? | [
"only the bees",
"only the flowering plants",
"both the bees and the flowering plants",
"neither the bees nor the flowering plants"
] | C | null |
math_qa | mathqa_03_02212 | tanks c and b are each in the shape of a right circular cylinder . the interior of tank c has a height of 10 meters and a circumference of 8 meters , and the interior of tank b has a height of 8 meters and a circumference of 10 meters . the capacity of tank c is what percent of the capacity of tank b ? | [
"75 %'",
"80 %'",
"100 %'",
"120 %'"
] | B | b . for c , r = 8 / 2 pi . its capacity = ( 4 pi ) ^ 2 * 10 = 160 pi for b , r = 10 / pi . its capacity = ( 5 pi ) ^ 2 * 8 = 200 pi c / b = 160 pi / 200 pi = 0.8 |
sciq | sciq_01_08818 | What size of ring will a summer drought cause in a tree? | [
"medium",
"larger",
"giant",
"smaller"
] | D | You can tell other things from tree rings too. In a good year a tree will produce a wide ring. A summer drought will produce a smaller ring. These variations will appear in all trees in a region. The same pattern can be found in all the trees in the area. This pattern helps scientist to identify a particular time perio... |
openbookqa | obqa_02_01022 | The air was cold, so all night the sheep kept | [
"sleeping",
"shaking",
"jumping",
"running."
] | B | shivering is when an animal creates heat by shaking to keep the body warm |
medmcqa | medmcqa_05_02486 | Under the WHO 'Vision 2020' programme, the `SAFE' strategy is adopted for which of the following diseases – | [
"Trachoma",
"Glaucoma",
"Diabetic retinopathy",
"Onchocerciasis"
] | A | SAFE strategy developed by the WHO is the key to the treatment of trachoma. This consists of Surgery (S) on the
lids. Antibiotics to treat the community pool of infection (A), Facial cleanliness (F) ; and Environmental changes
Blindness From Trachoma Can Be Stopped At Four Different points : SAFE
S - Surgical correcti... |
medmcqa | medmcqa_05_01521 | A 40 year old male develops excessive hyperventilation. ABG reveals pH- 7.5, PCO2 24 mmHg, PO2 88 mm of Hg. Treatment is : | [
"Respiratory alkalosis",
"Metabolic alkalosis",
"Respiratory acidosis",
"Metabolic acidosis"
] | A | Answer A (Respiratory alkalosis) : There is alkalosis (pH = 7.5) and CO2 is low (alkalosis). Change in CO2 is inkeeping with change in pH and thus the primary cause is respiratory. The acid base disturbance is thus primary respiratory alkalosis. |
openbookqa | obqa_02_01553 | Palm trees use the sun to | [
"swim",
"eat",
"sleep",
"run"
] | B | In the food chain process some types of plankton have the role of producer |
sciq | sciq_01_11360 | What is the tiny male gametophyte enclosed in a tough capsule? | [
"nitrogen",
"pollen",
"Cell Capsule",
"calcium"
] | B | Pollen is a tiny male gametophyte enclosed in a tough capsule. Pollen carries sperm to an ovule while preventing the sperm from drying out. Pollen grains can't swim, but they are very light, so the wind can carry them. Therefore, they can travel through air instead of water. |
openbookqa | obqa_02_02246 | A person wants a room that is artificially brightened to go back to darkness, so they | [
"pull a cart",
"dump a can",
"flick a window",
"adjust a switch"
] | D | a switch is used to stop the flow of current in an electrical circuit |
math_qa | mathqa_03_04289 | the population of a city increases by 8 % per year but due to migration it decrease by 1 % per years . what will be the percentage increase in population in 3 years ? | [
"9 %",
"9.27 %",
"22.50 %",
"12 %"
] | C | "actual increase in population = 7 % let , earlier population = 100 then the population after 3 years = 100 ( 1 + 7 / 100 ) ^ 3 = 122.5043 ∴ required percentage = 22.50 % answer : c" |
sciq | sciq_01_09493 | If an electric current passes through water, water molecules break down into molecules of what? | [
"carbon and oxygen",
"hydrogen and oxygen",
"oxygen and methane",
"hydrogen and carbon"
] | B | The arrow in Figure above shows that the reaction goes from left to right, from hydrogen and oxygen to water. The reaction can also go in the reverse direction. If an electric current passes through water, water molecules break down into molecules of hydrogen and oxygen. This reaction would be represented by a right-to... |
openbookqa | obqa_02_03834 | Sound pulses helps dolphins | [
"satisfy women",
"find God",
"find nourishment",
"find ibexes"
] | C | the ability to find resources has a positive impact on an organism 's survival |
sciq | sciq_01_08841 | Fish hatch into larvae that are different from the adult form of? | [
"species",
"parasites",
"sex",
"color"
] | A | Fish hatch into larvae that are different from the adult form of the species. |
sciq | sciq_01_03694 | What is a shortage of water that causes the soil to dry from the surface down called? | [
"tidal wave",
"flood",
"drought",
"overflowage"
] | C | |
medmcqa | medmcqa_05_02438 | Enchondral ossification is/are seen in: | [
"Long bones",
"Flat bones of skull",
"Clavicle",
"Mandible"
] | A | A i.e. Long bones Endochondral ossification is seen in long bones, veebrae, pelvis, and bones of base of skullQ; whereas intramembranous ossification occurs in skull vault, flat bones of skull, maxilla, majority of mandible and clavicleQ |
openbookqa | obqa_02_04384 | A thing with cells is going to expand, but first requires | [
"revolving",
"mackerel",
"sweets",
"nourishment"
] | D | a living thing requires nutrients to grow |
medmcqa | medmcqa_05_04764 | Which of the following is not used in the treatment of Pulmonary hypeension | [
"Calcium channel blockers",
"Alpha blockers",
"Prostacyclin",
"Endothelin receptor antagonist"
] | B | Refer CMDT 2010/381 management of of idiopathic Pulmonary hypeension if the patient respond to vasodilators the Calcium channel blockers (including amlodipine diltiazem and Nifedipin) are the first line agents of drugs other drugs that can be used are phosphodiesterase inhibitors(sildenafil) Prostacyclin analogue(epopr... |
sciq | sciq_01_09998 | Osteoclasts and osteoblasts play key roles in repair of what? | [
"liver",
"brain",
"bone",
"heart"
] | C | Connective tissue Bone remodeling and repair: bone has mineral structure, and develops tiny fractures, which, under stress, can lead to larger fractures. To combat this, bone is constantly replaced. Osteoclasts channel through existing bone, tear down and leave behind osteoblasts and lacuna, leaving osteocytes. Continu... |
sciq | sciq_01_05280 | What does rearrangements of chromosomes contribute to the emergence of? | [
"new species",
"fewer species",
"extinction",
"clones"
] | A | |
sciq | sciq_01_06796 | The mass percentage of a solution component is defined as the ratio of the component’s mass to ________? | [
"solution ’ s mass",
"liquid's mass",
"enough ’ s mass",
"solvent's mass"
] | A | Mass Percentage Earlier in this chapter, we introduced percent composition as a measure of the relative amount of a given element in a compound. Percentages are also commonly used to express the composition of mixtures, including solutions. The mass percentage of a solution component is defined as the ratio of the comp... |
sciq | sciq_01_06188 | What process can occur when atoms are exposed to high levels of radiation or when atoms transfer electrons to or from other atoms? | [
"ionization",
"diffusion",
"fusion",
"oxidation"
] | A | The process in which an atom becomes an ion is called ionization. It may occur when atoms are exposed to high levels of radiation or when atoms transfer electrons to or from other atoms. |
math_qa | mathqa_03_03912 | a group of 55 adults and 70 children go for trekking . if there is meal for either 70 adults or 90 children and if 21 adults have their meal , find the total number of children that can be catered with the remaining food . | [
"33",
"54",
"63",
"17"
] | C | "explanation : as there is meal for 70 adults and 21 have their meal , the meal left can be catered to 49 adults . now , 70 adults = 90 children 7 adults = 9 children therefore , 49 adults = 63 children hence , the meal can be catered to 63 children . answer : c" |
sciq | sciq_01_10969 | Changes in temperature, ph, and exposure to chemicals may lead to permanent changes in the shape of a protein, leading to loss of function known as what? | [
"digestion",
"fermentation",
"denaturation",
"bioturbation"
] | C | Proteins have different shapes and molecular weights; some proteins are globular in shape whereas others are fibrous in nature. For example, hemoglobin is a globular protein, but collagen, found in our skin, is a fibrous protein. Protein shape is critical to its function, and this shape is maintained by many different ... |
math_qa | mathqa_03_00731 | in a sample of 800 high school students in which all students are either freshmen , sophomores , juniors , or seniors , 27 percent are juniors and 75 percent are not sophomores . if there are 160 seniors , how many more freshmen than sophomores are there among the sample of students ? | [
"12",
"18",
"24",
"30"
] | C | "200 are sophomores . the number of freshmen is 600 - 160 - 0.27 ( 800 ) = 224 the answer is c ." |
openbookqa | obqa_02_01863 | join a negative and a positive charge through a rare metal in a gas filled globe is known as | [
"led",
"High Pressure Sodium",
"incandescence",
"compact florescence"
] | C | an incandescent light bulb converts electricity into heat by sending electricity through a filament |
math_qa | mathqa_03_04485 | the average age of a class of 39 students is 15 years . if the age of the teacher be included , then the average increases by 3 months . find the age of the teacher . | [
"20",
"23",
"25",
"21"
] | C | "total age of 39 persons = ( 39 x 15 ) years = 585 years . average age of 40 persons = 15 yrs 3 months = 61 / 4 years . total age of 40 persons = ( 61 / 4 ) x 40 ) years = 610 years . : . age of the teacher = ( 610 - 585 ) years = 25 years . answer is c ." |
openbookqa | obqa_02_02172 | Which of the following animals would be most likely to be in disguise? | [
"a chameleon",
"a dog",
"a bird",
"a cat"
] | A | disguise means change appearance to hide |
ARC-Easy | arc_04_00112 | Scientists study the current conditions of many solar system objects to gain insight into conditions early in the history of Earth. Which phenomenon most closely models current theories of early Earth? | [
"liquid forming valleys on Mars",
"hundreds of active volcanoes on Io",
"rock and ice forming the core of Neptune",
"ice covering the entire surface of Europa"
] | B | null |
math_qa | mathqa_03_01623 | the average weight of 5 students decreases by 12 kg when one of them weighing 72 kg is replaced by a new student . the weight of the student is | [
"12 kg",
"10 kg",
"20 kg",
"72 kg"
] | A | "explanation : let the weight of student be x kg . given , difference in average weight = 12 kg = > ( 72 - x ) / 5 = 12 = > x = 12 answer : a" |
openbookqa | obqa_02_02116 | This non-native crop is now available in Africa | [
"rice",
"corn",
"coffee",
"beans"
] | B | as ability to transport food increases around the world , the available types of food in distant locations will increase |
sciq | sciq_01_02215 | What is the term for something in the environment that causes a reaction in an organism? | [
"pollution",
"crisis",
"stimulus",
"climate"
] | C | When a living thing responds to its environment, it is responding to a stimulus. A stimulus ( stimuli, plural ) is something in the environment that causes a reaction in an organism. The reaction a stimulus produces is called a response . |
sciq | sciq_01_08057 | What type of fertilization do most reptiles have? | [
"external",
"budding",
"spawning",
"internal"
] | D | Most reptiles reproduce sexually and have internal fertilization. They lay eggs on land and generally do not provide parental care. Reptile hatchlings look like miniature adults. They lack a larval stage and do not go through metamorphosis. |
ARC-Easy | arc_04_01189 | Air is made up of many gases. Which gas is found in the greatest amount? | [
"Nitrogen",
"Oxygen",
"Carbon dioxide",
"Hydrogen"
] | A | null |
math_qa | mathqa_03_02109 | let f ( x ) = x ^ 2 + bx + c . if f ( 1 ) = 0 and f ( - 7 ) = 0 , then f ( x ) crosses the y - axis at what y - coordinate ? | [
"- 7",
"- 1",
"0",
"1"
] | A | "when x = 1 and when x = - 7 , the expression f ( x ) = x ² + bx + c equals 0 . then f ( x ) = ( x - 1 ) ( x + 7 ) f ( 0 ) = - 7 the answer is a ." |
sciq | sciq_01_04580 | In humans, what is the first organ to form and become functional? | [
"brain",
"liver",
"heart",
"pancreas"
] | C | 19.5 Development of the Heart The heart is the first organ to form and become functional, emphasizing the importance of transport of material to and from the developing infant. It originates about day 18 or 19 from the mesoderm and begins beating and pumping blood about day 21 or 22. It forms from the cardiogenic regio... |
medmcqa | medmcqa_05_01064 | MRI done in a 28yrs old male suffering from Neurofibromatosis 2 showed ice cream cone appearance. On asking he fuher revealed that it began with ringing sensation in ears which progressed to balance problems and hearing loss. Which of the following is the most likely diagnosis | [
"Meningioma",
"Ependymoma",
"Schwannoma",
"Gangioneuroma"
] | C | NF2 is associated with bilateral vestibular schwannomas and hearing loss benign tumors usually originate from perineural fibroblasts. intracranial schwannomas originate from vestibular branch of eighth cranial nerve. Malignant schwannomas although rare, are treated with radiation therapy, if the curative resection is n... |
medmcqa | medmcqa_05_04607 | Which of the following most likely causes a communicating (nonobstructive) hydrocephalus? | [
"Tuberculous meningitis",
"Stenosis of the duct of Sylvius",
"Ependymoma of the fouh ventricle",
"Blockage of the arachnoid granulations"
] | D | Blockage of the arachnoid granulations would most likely cause a communicating, or nonobstructive, hydrocephalus. Hydrocephalus is an increase in cerebrospinal fluid (CSF) volume with distention of the ventricles. It may be caused by (1) overproduction of CSF, which is uncommon (e.g., in neoplasms of the choroid plexus... |
medmcqa | medmcqa_05_00815 | Ligature material in case of hanging is kept preserved as - | [
"Ligature knot is opened completely",
"Ligature is cut at the knot",
"Ligature is cut away from the knot",
"Ligature knot should not be cut"
] | C | Ligature is cut away from the knot. Depth, width, direction, raised edges of skin, zones of hyperaemia, presence of duplicate strangulation marks, dried excoriations due to slippage of the implement, textile weave pattern, distribution of petechia in skin, scratch marks All these things are to be noted at the ligature ... |
sciq | sciq_01_06336 | While the numerical aperture can be used to compare resolutions of various objectives, it does not indicate how far the lens could be from the what? | [
"microscope",
"specimen",
"diameter",
"focal point"
] | B | While the numerical aperture can be used to compare resolutions of various objectives, it does not indicate how far the lens could be from the specimen. This is specified by the “working distance,” which is the distance (in mm usually) from the front lens element of the objective to the specimen, or cover glass. The hi... |
medmcqa | medmcqa_05_00328 | Urea cycle is linked to TCA cycle by - | [
"Arginine",
"Ornithine",
"Oxaloacetate",
"Fumarate"
] | D | Ans. is 'd' i.e., Fumarate |Ref: Harper 29th/e p. 276-277]o Fumarate is released during urea cycle, which is an intermediate of Kreb's cycle, thus linking the two.Both urea cycle and TCA cycle have been explained in previous years. |
medmcqa | medmcqa_05_01629 | During post transcriptional modification of RNA the following process does not take place: | [
"Splicing",
"5'capping",
"3'polyadenylation",
"Glycosylation"
] | D | Ans. D. GlycosylationRNA produced after transcription is hn RNA. To form m RNA it undergoes modifications to remove intervening sequence called introns by splicing. For this 5'capping and 3'tailing is done to stabilize RNA. |
openbookqa | obqa_02_03780 | The floating arrow on a compass always points away from the | [
"east",
"south",
"west",
"north"
] | B | the floating arrow on a compass always points towards the north |
ARC-Challenge | arc_04_02615 | Which statement best describes the motion of water molecules as the water changes state from steam to liquid? | [
"The molecules move faster and occupy more space.",
"The molecules move slower and occupy more space.",
"The molecules move faster and occupy less space.",
"The molecules move slower and occupy less space."
] | D | null |
sciq | sciq_01_00760 | What happens to the level of relative humidity in the evening as air temperature declines? | [
"it rises",
"nothing",
"it falls",
"it goes up and down"
] | A | The expression “it’s not the heat, it’s the humidity” makes a valid point. We keep cool in hot weather by evaporating sweat from our skin and water from our breathing passages. Because evaporation is inhibited by high humidity, we feel hotter at a given temperature when the humidity is high. Low humidity, on the other ... |
openbookqa | obqa_02_01351 | As a body of waters surface area increases what else will increase? | [
"vaporization",
"evaporating milk",
"coals",
"fires"
] | A | as the surface area of a body of water increases , evaporation of that body of water will increase |
sciq | sciq_01_02227 | What layer high in the atmosphere protects living things from most of the sun’s harmful uv rays? | [
"stratosphere",
"troposphere",
"ozone layer",
"Mesosphere"
] | C | Earth’s atmosphere is vital to life. The atmosphere provides the oxygen and carbon dioxide living things need for photosynthesis and respiration. Living things also need the ozone layer high in the atmosphere. Upper level ozone protects them from most of the Sun’s harmful UV rays. |
sciq | sciq_01_01485 | Plants have a touch response known as what? | [
"photosynthesis",
"thigmotropism",
"trichina",
"pollenation"
] | B | |
sciq | sciq_01_01755 | What do structures of the human eye collect and focus? | [
"electricity",
"light",
"sugars",
"air"
] | B | The structures of the human eye collect and focus light. They form a reduced, upside-down image on the retina at the back of the eye. |
sciq | sciq_01_00078 | Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what? | [
"transporter",
"absorber",
"insulator",
"magnet"
] | C | Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good insulator. The amount of available space for airflow determines whether air acts as an insulator or conductor. The space between the inside and outside walls of a house, for example, is about 9 cm (3.5 in) —large enough for con... |
openbookqa | obqa_02_02124 | Which likely would be considered in drought conditions? | [
"a tundra without water",
"a desert without water",
"a house without water",
"a lake without water"
] | D | drought means available water decreases in an environment |
medmcqa | medmcqa_05_04416 | Raloxifene is used in - | [
"Osteoporosis",
"Cervical cancer",
"Osteopetrosis",
"Fibroadenoma"
] | A | Ans. is 'a' i.e., Osteoporosis Raloxifeno Raloxifen is a recently introduced selective estrogen receptor modulator (SERM)Mechanism of action:Partial agonist inAntagonist action ino Boneo Endometriumo Cardiovascular systemo Breasto It has high affinity for both ER a and ER bo It has a distinct DNA target: 'Raloxifence r... |
sciq | sciq_01_03045 | Where do most ecosystems get their energy from? | [
"water",
"heat",
"earth",
"sun"
] | D | Most ecosystems get their energy from the Sun. Only producers can use sunlight to make usable energy. Producers convert the sunlight into chemical energy or food. Consumers get some of that energy when they eat producers. They also pass some of the energy on to other consumers when they are eaten. In this way, energy f... |
medmcqa | medmcqa_05_04562 | Most common risk factor for breech presentation is: | [
"Prematurity",
"Post-maturity",
"DM",
"Osteomalacia"
] | A | Risk factors for Breech presentation - Prematurity (Most common Risk factor) Increased amniotic fluid volume Multifetal gestation Hydrocephaly Anencephaly Uterine anomalies Placenta pre Fundal placental implantation Pelvic tumors High parity with uterine relaxation Prior breech delivery |
sciq | sciq_01_08016 | In addition to spiral cleavage, protostomes also undergo which other form of cleavage? | [
"straight",
"determinate",
"dispersive",
"diagonal"
] | B | There is a second distinction between the types of cleavage in protostomes and deuterostomes. In addition to spiral cleavage, protostomes also undergo determinate cleavage. This means that even at this early stage, the developmental fate of each embryonic cell is already determined. A cell does not have the ability to ... |
sciq | sciq_01_06836 | Through this process, algae provide glucose for the ecosystem? | [
"photosynthesis",
"GLUCOPHAGE",
"spermatogenesis",
"glycolysis"
] | A | In a marine ecosystem, algae are the producers. Through photosynthesis, they provide glucose for the ecosystem. So, can too much algae be a bad thing? Eutrophication is an over-enrichment of chemical nutrients in a body of water. Usually these nutrients are the nitrogen and phosphorous found in fertilizers. Run-off fro... |
sciq | sciq_01_07574 | What type of bones serve as points of attachment for muscles and often protect internal organs? | [
"irregular bones",
"flat bones",
"short bones",
"sesamoid bones"
] | B | Flat Bones The term “ flat bone” is somewhat of a misnomer because, although a flat bone is typically thin, it is also often curved. Examples include the cranial (skull) bones, the scapulae (shoulder blades), the sternum (breastbone), and the ribs. Flat bones serve as points of attachment for muscles and often protect ... |
openbookqa | obqa_02_04953 | An organism that can survive without the help of other cells is | [
"Brewer's yeast",
"air",
"sand",
"sugar"
] | A | a single-cell organism can survive without the help of other cells |
math_qa | mathqa_03_00513 | 36 men can complete a piece of work in 18 days . in how many days will 72 men complete the same work ? | [
"24",
"17",
"18",
"9"
] | D | "explanation : less men , means more days { indirect proportion } let the number of days be x then , 72 : 36 : : 18 : x x = 9 answer : d ) 9 days" |
sciq | sciq_01_09543 | No chemical process on the planet can match the output of what process? | [
"glycolysis",
"pollination",
"photosynthesis",
"sexual reproduction"
] | C | |
ARC-Easy | arc_04_01077 | Scientists can identify an element by looking at the structure of a single | [
"atom.",
"neutron.",
"molecule.",
"electron."
] | A | null |
sciq | sciq_01_09321 | What is lowered when salts go into ion form? | [
"voltage",
"charge",
"power",
"resistance"
] | D | Most of the body’s resistance is in its dry skin. When wet, salts go into ion form, lowering the resistance significantly. The interior of the body has a much lower resistance than dry skin because of all the ionic solutions and fluids it contains. If skin resistance is bypassed, such as by an intravenous infusion, a c... |
math_qa | mathqa_03_02735 | a person borrows rs . 4000 for 2 years at 4 % p . a . simple interest . he immediately lends it to another person at 6 p . a for 2 years . find his gain in the transaction per year . | [
"100 rs",
"80 rs",
"160 rs",
"180 rs"
] | B | "gain in 2 years = [ ( 4000 * 6 * 2 ) / 100 ] - [ ( 4000 * 4 * 2 ) / 100 ] 480 - 320 = 160 gain in 1 year = ( 160 / 2 ) = 80 rs answer : b" |
ARC-Easy | arc_04_00649 | In large industrial cities, the emissions from fossil fuels cause the atmosphere to change. Which process allows the atmosphere to change? | [
"increased inorganic matter in soil",
"increased use of fertilizers on crops",
"increased buildup of greenhouse gases",
"increased rainfall rates near power plants"
] | C | null |
openbookqa | obqa_02_00870 | Toasting bread makes it | [
"smaller",
"longer",
"wider",
"harder"
] | D | cooking causes a chemical reaction |
sciq | sciq_01_07375 | The earth's magnetic poles have done what repeatedly in the past? | [
"stayed the same",
"demagnetized",
"rotated",
"switched places"
] | D | Earth’s magnetic poles have switched places repeatedly in the past. As you can see in the Figure below , each time the switch occurred, Earth’s magnetic field was reversed. The magnetic field is the region around a magnet over which it exerts magnetic force. We think of today’s magnetic field direction as “normal,” but... |
sciq | sciq_01_08336 | What is the term for the distance between two corresponding points on adjacent waves? | [
"arc wave",
"variation",
"bandwidth",
"wavelength"
] | D | Wavelength is one way of measuring the size of waves. It is the distance between two corresponding points on adjacent waves, usually measured in meters. |
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