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_01709 | Substance utilized for barium meal follow through study: September 2011 | [
"Barium carbonate",
"Barium sulphate",
"Barium oxide",
"Barium hydroxide"
] | B | Ans. B: Barium sulphate Since there is no natural contrast in the alimentary tract, its radiographic demonstration required the use of aificial contrast medium Barium sulphate, through which X-rays can not pass, is the contrast universally employed in performing alimentary tract studies |
openbookqa | obqa_02_01992 | A plant's roots break down rocks as the roots do what? | [
"decay",
"grow old",
"develop",
"dcerease"
] | C | a plant 's roots slowly break down rocks as the roots grow |
sciq | sciq_01_05480 | A group of individuals that consists of genetically related individuals that can breed to produce fertile young is known as what? | [
"population",
"species",
"community",
"colonies"
] | B | A species is a group of individuals that are genetically related and can breed to produce fertile young. Individuals are not members of the same species if their members cannot produce offspring that can also have children. The second word in the two word name given to every organism is the species name. For example, i... |
sciq | sciq_01_10619 | Ionic compounds take on the form of extended three-dimensional arrays of cations and what else? | [
"oxides",
"crystals",
"anions",
"electrons"
] | C | Ionic compounds take on the form of extended three-dimensional arrays of cations and anions. |
sciq | sciq_01_07951 | The process of getting oxygen into the body and releasing carbon dioxide is called? | [
"precipitation",
"osmosis",
"persperation",
"respiration"
] | D | The process of getting oxygen into the body and releasing carbon dioxide is called respiration . Sometimes breathing is called respiration, but there is much more to respiration than just breathing. Breathing is only the movement of oxygen into the body and carbon dioxide out of the body. The process of respiration als... |
medmcqa | medmcqa_05_02407 | Most impoant pathogen causing pneumonia in a patient with bronchiectasis is: | [
"Streptococcus pneumoniae",
"Oral anaerobes",
"Acinetobacter spp",
"Staphylococcus aureus"
] | D | Impoant pathogen causing pneumonia in a patient with bronchiectasis 1. P. aeruginosa 2. Burkholderia cepacia 3. Staphylococcus aureus All others in the list are causing pneumonia in chronic alcoholic patients Ref: Harrison, E-18, P-2132. |
medmcqa | medmcqa_05_01609 | About 12 days after a mild upper respiratory infection, a 12-year-old boy complains of weakness in his lower extremities. Over several days, the weakness progresses to include his trunk. On physical examination, he has the weakness described and no lower extremity deep tendon reflexes, muscle atrophy, or pain. Spinal f... | [
"Bell palsy",
"Muscular dystrophy",
"Guillain-Barre syndrome",
"Charcot-Marie-Tooth disease"
] | C | The paralysis of Guillain- Barre occurs about 10 days after a nonspecific viral illness. Weakness is gradual over days or weeks, beginning in the lower extremities and progressing toward the trunk. Later, the upper limbs and the bulbar muscles can become involved. Involvement of the respiratory muscles is life threaten... |
medmcqa | medmcqa_05_02807 | Colostrum is rich in the following constituents as compared to breast milk – | [
"Minerals",
"Proteins",
"Fats",
"Carbohydrates"
] | B | The composition of breast milk varies at different stages after birth to suit the needs of the baby.
According to the postnatal period the breast milk is divided into -
1. Clostrum
Is the milk secreted during the first three days after delivery.
It is yellow and thick.
It contains more antibodies and cells and high a... |
medmcqa | medmcqa_05_02619 | Minimum thickness of lens capsule is found in | [
"Pre equatorial area → 3-4 μm",
"posterior pole → 5-7 μm",
"Anterior pole → 5-7 μm",
"posterior pole → 3-4 μm"
] | D | Minimum thickness of lens capsule is found in posterior pole ( 3-4 μm ). |
sciq | sciq_01_00790 | The voltage and current are exactly in phase in a what? | [
"harmonic",
"battery",
"resistor",
"capacitor"
] | C | Resistors in an AC Circuit Just as a reminder, consider Figure 23.47, which shows an AC voltage applied to a resistor and a graph of voltage and current versus time. The voltage and current are exactly in phase in a resistor. There is no frequency dependence to the behavior of plain resistance in a circuit:. |
sciq | sciq_01_06828 | Deserts are generally dry ecosystems having very little what? | [
"heat",
"snowfall",
"rainfall",
"mountains"
] | C | frequent algal blooms d. little or no vegetation 12. Which of the following is an example of a weather event? a. The hurricane season lasts from June 1 through November 30. The amount of atmospheric CO2 has steadily increased during the last century. A windstorm blew down trees in the Boundary Waters Canoe Area in Minn... |
openbookqa | obqa_02_01131 | which of these students will see the teacher larger? | [
"a boy sitting in front",
"a girl in the back",
"a boy outside the class",
"a girl in the middle"
] | A | as distance to an object increases , that object will appear smaller |
sciq | sciq_01_05580 | What reaction is considered the reverse of photosynthesis? | [
"cellular transfer",
"cellular respiration",
"cellular digestion",
"cellular decay"
] | B | Many important biological processes involve redox reactions, which frequently store and release energy. For example, photosynthesis involves the reduction of carbon dioxide into glucose and the oxidation of water into oxygen. This process stores the energy of sunlight in the bonds of sugars. The reverse reaction, cellu... |
sciq | sciq_01_03551 | For an exothermic chemical reaction, energy is given off as reactants are converted to what? | [
"forms",
"products",
"imports",
"exports"
] | B | For an exothermic chemical reaction, energy is given off as reactants are converted to products. In chemical reactions where the products have a higher energy than the reactants, the reactants must absorb energy from their environment to react. These reactions are endothermic and can be represented by an energy-level d... |
math_qa | mathqa_03_04036 | an woman swims downstream 45 km and upstream 25 km taking 5 hours each time ; what is the speed of the current ? | [
"2",
"1",
"3",
"4"
] | A | "45 - - - 5 ds = 9 ? - - - - 1 25 - - - - 5 us = 5 ? - - - - 1 s = ? s = ( 9 - 5 ) / 2 = 2 answer : a" |
sciq | sciq_01_03948 | When magma cools slowly, what texture does it have? | [
"small circles",
"large gases",
"large crystals",
"large squares"
] | C | Texture indicates how the magma cooled. Magma that cools rapidly has small or no visible crystals. Magma that cools slowly has large crystals; reference the Table above for the type of rock, the amount of silica it has, and examples. |
math_qa | mathqa_03_01301 | a father purchased dress for his 3 daughters . the dresses are of same color but diff size and they are kept in dark room . what is probability that all the 3 will not choose there own dress ? | [
"1 / 3",
"2 / 3",
"1 / 2",
"3 / 4"
] | A | explanation : let 1 st girl come and she choose wrong dress so probability of that girl to choose wrong dress out of 3 is = 2 / 3 . now 2 nd girl come nd she choose wrong dress so probability of that girl to choose wrong dress out of 2 is 1 / 2 . now for 3 rd girl probability is 1 to choose wrong dress . so probability... |
sciq | sciq_01_04182 | What helps ensure that, at least, some species will survive environmental change? | [
"reproduction",
"biodiversity",
"ecosystem",
"spontaneous mutation"
] | B | Biodiversity generally increases the productivity and stability of ecosystems. It helps ensure that at least some species will survive environmental change. It also provides many other ecosystem services. For example:. |
ARC-Challenge | arc_04_02246 | Geologists frequently use mass spectrometers in determining the relative age of rocks. A spectrometer can differentiate between the ratios of isotopes in rock samples and calculates the radioactive decay involving what two isotopes? | [
"Uranium - Lead",
"Rubidium - Strontium",
"Potassium - Argon",
"Uranium - Strontium"
] | A | null |
openbookqa | obqa_02_03559 | the solstice with the longest day happens in the month after | [
"november",
"may",
"january",
"march"
] | B | the summer solstice is on June 21st in the northern hemisphere |
math_qa | mathqa_03_04468 | 4 + 4 | [
"8",
"2",
"1",
"5"
] | C | c |
ARC-Easy | arc_04_00572 | Which organ removes cell waste from the blood? | [
"the large intestine",
"the small intestine",
"the kidney",
"the heart"
] | C | null |
openbookqa | obqa_02_01017 | The easiest thing to break is | [
"a notebook",
"a pair of glasses",
"a wall",
"a hardcover book"
] | B | as the thickness of an object increases , the resistance to breaking will increase |
sciq | sciq_01_06401 | Chemical formulas for ionic compounds are called what? | [
"velocity formulas",
"ionic formulas",
"magnetic formulas",
"electronic formulas"
] | B | Chemical formulas for ionic compounds are called ionic formulas. A proper ionic formula has a cation and an anion in it; an ionic compound is never formed between two cations only or two anions only. The key to writing proper ionic formulas is simple: the total positive charge must balance the total negative charge. Be... |
medmcqa | medmcqa_05_04920 | First retinal abnormality in diabetic retinopathy: (PGI Dec 2007) | [
"Microaneurysm",
"Hard exudates",
"Soft exudates",
"Cotton Wool spots"
] | A | Ans. A (Microaneurysm) [Ref Khurana 4th/260-62; Parson 20th/294-98}"The earliest detectable lesion is microaneurysms in the macular area" -Khurana 4th/260Diabetic Retinopathy: Classification- 4 types Khurana 4th/260-62Non-proliferative Diabetic RetinopathyMicro aneurysmQ in macular area (the earliest detectable lesionQ... |
sciq | sciq_01_07622 | For the nervous system to function, neurons must be able to send and receive what? | [
"information",
"pulses",
"signals",
"proteins"
] | C | Nerve Impulse Transmission within a Neuron For the nervous system to function, neurons must be able to send and receive signals. These signals are possible because each neuron has a charged cellular membrane (a voltage difference between the inside and the outside), and the charge of this membrane can change in respons... |
math_qa | mathqa_03_03685 | an athlete runs 200 metres race in 20 seconds . what is his speed ? | [
"23",
"38",
"37",
"36"
] | D | "speed = distance / time = 200 / 20 = 10 m / s = 10 * 18 / 5 = 36 km / hr answer : d" |
math_qa | mathqa_03_01670 | in the xy - plane , a triangle has vertices ( 0,0 ) , ( 4,0 ) and ( 4,9 ) . if a point ( a , b ) is selected at random from the triangular region , what is the probability that a - b > 0 ? | [
"1 / 5",
"1 / 3",
"1 / 2",
"2 / 9"
] | D | "the area of the right triangle is ( 1 / 2 ) * 4 * 9 = 18 . only the points ( a , b ) below the line y = x satisfy a - b > 0 . the part of the triangle which is below the line y = x has an area of ( 1 / 2 ) ( 4 ) ( 4 ) = 8 . p ( a - b > 0 ) = 8 / 18 = 2 / 9 the answer is d ." |
sciq | sciq_01_10928 | What factor largely determines the distinguishing features of terrestrial biomes? | [
"climate",
"migration",
"sea level",
"density"
] | A | Terrestrial biomes include all the land areas on Earth where organisms live. The distinguishing features of terrestrial biomes are determined mainly by climate. Terrestrial biomes include tundras, temperate forests and grasslands, chaparral, temperate and tropical deserts, and tropical forests and grasslands. |
medmcqa | medmcqa_05_01791 | Pancreatitis may be produced by following drugs | [
"Colchicine",
"L-Asperaginase",
"Ciprofloxacin",
"Nalidixic acid"
] | B | Drugs associated with pancreatitis Definitive cause (MAD CAT PET TV FM) 6-Mercaptopurine Azathioprine Dideoxyinosine Cytosine arabinoside 5-Aminosalicylate Tetracycline Pentamidine Estrogens Trimethoprim - Sulfamethoxazole Thiazide Valproic acid Furosemide Metronidazole Probable cause (PILAAS) Phenformin Procainamide I... |
medmcqa | medmcqa_05_04880 | Malignant cells in urine cytology are most commonly seen in | [
"Renal cell carcinoma",
"Prostate carcinoma",
"Urothelial carcinoma",
"Bladder carcinoma"
] | C | Ans. c (Urothelial carcinoma). (Ref. Harrison's Medicine 17th ed. 555)# Urothelial malignancy classically shows polychronotropism & multicentricity.# In urothelial or transitional carcinoma of renal pelvis or ureter, the examination of urine for malignant cells is positive and even may indicate whether tumor is well or... |
openbookqa | obqa_02_02378 | Tom noticed it was getting gloomy outside at only two in the afternoon. Which of these might be the cause? | [
"the witch at the top of the hill has placed a spell on the town",
"a warm front has moved overhead",
"a funeral is about to start at the church across the street",
"the earth is moving through a dark area of space"
] | B | a warm front causes cloudy and rainy weather |
sciq | sciq_01_06713 | What is the name of muscular blood vessels that carry blood away from the heart? | [
"tubes",
"Veins",
"arteries",
"Aorta"
] | C | Arteries are muscular blood vessels that carry blood away from the heart. They have thick walls that can withstand the pressure of blood pumped by the heart. Arteries generally carry oxygen-rich blood. The largest artery is the aorta, which receives blood directly from the heart. It branches to form smaller and smaller... |
medmcqa | medmcqa_05_03987 | One of the following is having the least density - | [
"Chylomicron",
"HDL",
"LDL",
"VLDL"
] | A | Chylomicrons
HDL is the smallest with least lipid contents and therefore is the most dense lipoprotein. Chylomicrons are largest with maximum lipid contents and therefore are the least dense lipoprotein molecules. |
math_qa | mathqa_03_02203 | a certain sum is invested at simple interest at 15 % p . a . for two years instead of investing at 12 % p . a . for the same time period . therefore the interest received is more by rs . 720 . find the sum ? | [
"s . 7000",
"s . 9000",
"s . 14000",
"s . 12000"
] | D | "let the sum be rs . x . ( x * 15 * 2 ) / 100 - ( x * 12 * 2 ) / 100 = 720 = > 30 x / 100 - 24 x / 100 = 720 = > 6 x / 100 = 720 = > x = 12000 . answer : d" |
ARC-Challenge | arc_04_02664 | Which best explains how most soils are alike? | [
"Most soils have many rocks.",
"Most soils are found in layers.",
"Most soils hold the same amounts of water.",
"Most soils have the same texture."
] | B | null |
sciq | sciq_01_08264 | The way a mineral cleaves or fractures depends on what part of the mineral? | [
"the crystal structure",
"the core",
"the fault structure",
"the crust"
] | A | The way a mineral cleaves or fractures depends on the crystal structure of the mineral. |
ARC-Easy | arc_04_01436 | Which of the following gases do plants use in photosynthesis? | [
"hydrogen",
"oxygen",
"carbon dioxide",
"carbon monoxide"
] | C | null |
medmcqa | medmcqa_05_00130 | A 48-year-old female was admitted to the hospital with dyspnoea, chest pain and a feeling of pressure on her chest. A CXR was ordered as pa of her investigations. The patient had a normal CXR 5 months ago with normal hea size. Which of the following is the most probable diagnosis? | [
"Cardiomyopathy",
"Pericardial effusion",
"Congestive hea failure",
"Pulmonary embolism"
] | B | The CXR shows globular enlargement of the cardiac shadow. The lungs and pleural spaces are clear. The differentials include pericardial effusion, cardiac chamber enlargement or cardiomyopathy. In this case, as the patient had a normal CXR 5 months prior, the most likely diagnosis is a pericardial effusion. A globular a... |
ARC-Easy | arc_04_00535 | Nonrenewable sources of energy have limited supplies. Researchers are developing devices that will make renewable energy more available. Which is a source of renewable energy? | [
"coal",
"gasoline",
"oil",
"wind"
] | D | null |
openbookqa | obqa_02_00887 | An example of thermal conductivity is | [
"Leaving a fire log poker in the fire place",
"Sitting down on a bed",
"Throwing a large ball",
"Yelling into a megaphone at a crowd"
] | A | thermal conduction is when materials conduct heat through those materials |
openbookqa | obqa_02_04651 | When fish travel in the opposite direction of flow they are going to | [
"spawn",
"party",
"site see",
"start over"
] | A | An example of a reproductive behavior is salmon returning to their birthplace to lay their eggs |
ARC-Easy | arc_04_01370 | About how many Earth days does it take the Moon to travel around Earth? | [
"1",
"27",
"180",
"365"
] | B | null |
openbookqa | obqa_02_02495 | A person wants to use a chemical energy to power a radio, so they change out the energy source through | [
"water",
"AAs",
"wind",
"the sun"
] | B | batteries convert chemical energy to electrical energy |
math_qa | mathqa_03_02853 | a company has $ 329864 in its account . what is the least amount of money ( in whole number of dollars ) that it must add to the account if the money is paid evenly among 9 of its vendors ? | [
"$ 1",
"$ 2",
"$ 3",
"$ 4"
] | D | to find the least amount that must be added to the account to split the money evenly among 9 of its vendors , the total divisible by 9 simply add the individual digits of the total = 3 + 2 + 9 + 8 + 6 + 4 = 32 if you add 4 , the number is divisible by 9 ( 32 + 4 ) correct option : d |
openbookqa | obqa_02_02655 | in the presence heat, which of these comes about? | [
"a piece of gum",
"a slurpy at the cafeteria",
"an ice cream cone",
"a large metamorphic rock"
] | D | extreme heat and pressure metamorphose rock into metamorphic rock |
ARC-Easy | arc_04_00311 | The features below are all present on Earth. Which feature could also be found on the Moon? | [
"crater",
"clouds",
"electrical storms",
"nitrogen based atmosphere"
] | A | null |
math_qa | mathqa_03_01394 | the diameter of a garden roller is 1.4 m and it is 2 m long . how much area will it cover in 6 revolutions ? ( use ï € = 22 â „ 7 ) | [
"40 m 2",
"44 m 2",
"52.8 m 2",
"36 m 2"
] | C | "required area covered in 5 revolutions = 6 ã — 2 ï € rh = 6 ã — 2 ã — 22 â „ 7 ã — 0.7 ã — 2 = 52.8 m 2 answer c" |
sciq | sciq_01_04933 | What disease unique to humans and is caused by two variola viruses? | [
"ebola",
"smallpox",
"diabetes",
"AIDS"
] | B | A worldwide vaccination campaign by the World Health Organization led to the eradication of smallpox in 1979. Smallpox is a contagious disease unique to humans and is caused by two Variola viruses. The eradication of smallpox was possible because humans are the only carriers of the virus. To this day, smallpox is the o... |
sciq | sciq_01_01409 | Naphthalens is a chemical which is commonly used in what? | [
"fertilizers",
"shampoo",
"mothballs",
"inhalers"
] | C | Delocalization of the electrons makes for a more stable molecule than a similar molecule that does not have delocalized electrons. Benzene is a more stable and less reactive compound than straight-chain hexenes. The sp 2 hybridization of the carbon atoms results in a planar molecule as opposed to the puckered structure... |
medmcqa | medmcqa_05_01124 | Which one of the following inhalational anesthetics is most likely to cause fluoride ion nephrotoxicity ? | [
"Methoxyflurane",
"Enflurane",
"Halothane",
"Isoflurane"
] | A | Ans. is 'a' i.e., Methoxyflurane o Intrarenal metabolism of methoxyflurane and subsequent intrarenal production of fluoride ion is the significant cause of methoxyflurane renal toxicity. |
sciq | sciq_01_06804 | All lipids have two distinct domains, a hydrophobic and a what? | [
"hydrophilic",
"hydroceptive",
"hydroaversive",
"covalent"
] | A | Membrane boundaries and capturing energy In which we consider how the aqueous nature of biological systems drives the formation of lipidbased barrier membranes and how such membranes are used to capture and store energy from the environment and chemical reactions. We consider how coupled reactions are used to drive mac... |
math_qa | mathqa_03_04568 | two brothers ram and ravi appeared for an exam . the probability of selection of ram is 6 / 7 and that of ravi is 1 / 5 . find the probability that both of them are selected . | [
"2 / 35",
"2 / 3",
"6 / 35",
"5 / 7"
] | C | "let a be the event that ram is selected and b is the event that ravi is selected . p ( a ) = 6 / 7 p ( b ) = 1 / 5 let c be the event that both are selected . p ( c ) = p ( a ) x p ( b ) as a and b are independent events : = 6 / 7 x 1 / 5 = 6 / 35 answer : c" |
sciq | sciq_01_01736 | What are insect parasites transmitted sexually? | [
"chlamydia",
"pubic lice",
"deer ticks",
"pinworms"
] | B | Pubic lice , like the one in Figure below , are insect parasites that are transmitted sexually. They suck the blood of their host and irritate the skin in the pubic area. |
sciq | sciq_01_02974 | Protozoa are generally difficult to identify due to what? | [
"their formation shape",
"their varied shape",
"their resting shape",
"their hidden shape"
] | B | 22.10 Protozoa As heterotrophs, protozoa scavenge materials from their surroundings. Others are predators which actively hunt or ambush small organisms such as bacteria and other protozoa for a source of nutrition. Protozoa can be parasitic as well; they may live inside larger organisms, like humans. Most protozoa live... |
math_qa | mathqa_03_02297 | after decreasing 50 % in the price of an article costs rs . 620 . find the actual cost of an article ? | [
"1400",
"1240",
"1200",
"1100"
] | B | "cp * ( 50 / 100 ) = 620 cp = 12.4 * 100 = > cp = 1240 answer : b" |
medmcqa | medmcqa_05_03798 | Best advice to be given to a patient of newly diagnosed type 2 DM is: | [
"Limit intake of carbohydrates",
"Follow consistent calorie diet intake.",
"Exercise",
"Intake of less than 20% of saturated fat"
] | C | Ref: Harrison 's Principles of Internal Medicine, 18ed.Explanation:The patient with type 1 or type 2 DM should receive education about nutrition, exercise, care of diabetes during illness, and medications to lower the plasma glucoseExerciseIt has multiple positive benefits including:Cardiovascular risk reductionReduced... |
sciq | sciq_01_09916 | Where are about 75% of the tar sands in the world located? | [
"venezuela and alberta, canada",
"venezuela and onatrio,canada",
"alberta, canada and peru",
"china and onatrio, canada"
] | A | About 75% of the tar sands in the world are in Venezuela and Alberta, Canada ( Figure below ). Large areas of land are degraded when tar sands are mined. A tremendous amount of waste rock is produced from mining tar sands. |
sciq | sciq_01_07631 | Which type of glaciers form several unique features through erosion, including cirques, arêtes, and horns? | [
"line glaciers",
"valley glaciers",
"icebergs",
"deep glaciers"
] | B | Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, arêtes, and horns. |
medmcqa | medmcqa_05_01604 | Cystine is formed by | [
"Hydroxylation of cysteine molecule",
"Carboxylation of cysteine molecule",
"Peptide bond between two cysteine molecule",
"Disulfide bond between cysteine molecule"
] | D | The difference in structure of cysteine and cystine. Two molecules of cysteine are joined together by S--S bond to form one molecule of cystine. Ref: M.N. Chatterjea - Textbook of Biochemistry, 8th edition, page no: 504 |
sciq | sciq_01_07964 | What is it called when waves interact with other waves? | [
"wave interference",
"wave impact",
"wave collision",
"combination interference"
] | A | Waves interact not only with matter in the ways described above. Waves also interact with other waves. This is called wave interference . Wave interference may occur when two waves that are traveling in opposite directions meet. The two waves pass through each other, and this affects their amplitude. How amplitude is a... |
openbookqa | obqa_02_04342 | Which of these objects would attract a magnet? | [
"a door handle",
"a light bulb",
"a pillow",
"a baseball"
] | A | if something contains a large amount of magnetic material then that something will attract magnets |
openbookqa | obqa_02_00234 | when an animal's eyes grow, what happens | [
"they see more",
"they close them",
"they get dry",
"they pop out"
] | A | as the size of the eyes of an animal increases , the ability of that animal to see will usually increase |
math_qa | mathqa_03_03602 | what is the unit ’ s digit of 7 ^ 7 | [
"9",
"5",
"3",
"7"
] | C | "7 ^ 1 = 7 7 ^ 2 = 49 7 ^ 3 = 343 7 ^ 4 = 1 ( last digit ) 7 ^ 5 = 7 ( last digit ) and the cycle repeats after every 4 powers therefore , last digit of 7 ^ 7 = 3 answer c" |
sciq | sciq_01_01095 | Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this? | [
"their hairs",
"their scales",
"their wings",
"their external skeleton"
] | D | Each section contains a liquid crystal sample with a different liquid crystalline range. The section whose liquid crystalline range corresponds to the temperature of the body becomes translucent (here shown in green), indicating the temperature. We also see the effect of liquid crystals in nature. Iridescent green beet... |
sciq | sciq_01_06485 | What particles are formed from a neutron in beta decay? | [
"mucus and a proton",
"atom and proton",
"electron and a proton",
"rust and proton"
] | C | In beta decay, an electron and a proton form from a neutron (another unusual particle, called an antineutrino, is also produced). Only the electron is emitted from the nucleus. How does this change the atomic number and atomic mass of the atom?. |
sciq | sciq_01_09905 | What is the change of state from a solid to a gas without passing through the liquid state? | [
"sublimation",
"neutralization",
"speciation",
"vaporization"
] | A | Sublimation is the change of state from a solid to a gas without passing through the liquid state. |
medmcqa | medmcqa_05_02487 | Risk of ovarian carcinoma with BRCA 1 and BRCA 2 mutation is: | [
"<5%",
"10%",
"30%",
"60%"
] | C | The risk of ovarian cancer in BRCA1 and BRCA2 mutation carriers ranges from 20 to 40%, which is 10 times higher than that in the general population. Prophylactic oophorectomy is a reasonable prevention option in mutation carriers. The American College of Obstetrics and Gynecology recommends that women with a documented... |
medmcqa | medmcqa_05_00747 | IOC for mesial temporal sclerosis is | [
"CECT",
"MRI",
"PETCT",
"USG"
] | C | MRI is the IOC.
Feature :
Hippocampal atrophy.
Atrophy of ipsilateral mammillary body, fornix. |
ARC-Easy | arc_04_01989 | When ice melts, it becomes a | [
"gas.",
"solid.",
"liquid.",
"plasma."
] | C | null |
ARC-Easy | arc_04_02112 | A water company uses lab tests on the water supply before sending the water through pipes to people's homes. How do these lab tests help people? | [
"by adding minerals and nutrients to the water",
"by checking the water to make sure it is safe to drink",
"by filtering chemicals and organisms out of the water",
"by stopping harmful substances from entering the water"
] | B | null |
sciq | sciq_01_04297 | What is observed when two perpendicular flagella moves? | [
"turning motion",
"shaking motion",
"pushing motion",
"spinning motion"
] | D | Figure 23.12 The dinoflagellates exhibit great diversity in shape. Many are encased in cellulose armor and have two flagella that fit in grooves between the plates. Movement of these two perpendicular flagella causes a spinning motion. |
sciq | sciq_01_11506 | The process of photosynthesis ultimately gets powered by what kind of energy? | [
"electricity",
"light",
"biofuel",
"nonrenewable energy"
] | B | |
ARC-Challenge | arc_04_03115 | Which of these animals is most likely to be found living and feeding on the forest floors of Virginia? | [
"Bat",
"Trout",
"Deer mouse",
"Golden eagle"
] | C | null |
sciq | sciq_01_04199 | Flatworms reproduce sexually. in most species, the same individuals produce both what? | [
"heart and sperm",
"eggs and sperm",
"gametes",
"diploid and haploid"
] | B | Flatworms reproduce sexually. In most species, the same individuals produce both eggs and sperm. After fertilization occurs, the fertilized eggs pass out of the adult’s body and hatch into larvae. There may be several different larval stages. The final larval stage develops into the adult form, and the life cycle repea... |
medmcqa | medmcqa_05_00991 | Commonest tumour among children 1-5 years inSouth Africa is - | [
"Neuroblastoma",
"Wilm's tumour",
"Neurofibroma",
"Burkitts lymphoma"
] | D | Ans. is 'd' i.e., Burkitts lymphoma |
math_qa | mathqa_03_02790 | one day a car rental agency rented 3 / 4 of its cars , including 4 / 5 of its cars with cd players . if 3 / 5 of its cars have cd players , what percent of the cars that were not rented had cd players ? | [
"23 / 40",
"17 / 30",
"12 / 25",
"7 / 15"
] | C | "the cars with cd players which were not rented is ( 1 / 5 ) ( 3 / 5 ) = 3 / 25 of all the cars . the cars which were not rented is 1 / 4 of all the cars . the percent of non - rented cars which had cd players is ( 3 / 25 ) / ( 1 / 4 ) = 12 / 25 the answer is c ." |
math_qa | mathqa_03_03986 | potato chips are on sale , buy 2 get 1 free . there are only 9 bags of chips left ( 4 plain and 5 bbq ) . a shopper randomly grabs 3 bags . what is the probability the shopper will grab exactly 3 bags of bbq chips ? | [
"2 / 3",
"1 / 3",
"1 / 5",
"5 / 42"
] | D | combination probability formula : ncr = n ! / [ r ! ( n - r ) ! ] total possible , select 3 bags from 9 bags = 9 c 3 = 9 ! / [ 3 ! ( 9 - 3 ) ! ] = 84 . to have 3 bbq there must be 0 plain , select 0 plain from 4 = 4 c 0 = 1 . and , select 3 bbq from 5 = 5 c 3 = 10 . 3 bbq and 0 plain = ( 1 ) ( 10 ) = 10 probability = (... |
sciq | sciq_01_04902 | What were the first vertebrates to evolve? | [
"snail",
"shark",
"trees",
"fish"
] | D | Fish were the first vertebrates to evolve. The earliest fish lived in the water, and modern fish are still aquatic. |
sciq | sciq_01_09330 | What term is used to describe the ability to change or move matter? | [
"speed",
"mass",
"inertia",
"energy"
] | D | Everything you do takes energy. Energy is the ability to change or move matter. Whether it’s reading these words or running a sprint, it requires energy. In fact, it takes energy just to stay alive. Where do you get energy? You probably know the answer. You get energy from food. Figure {{ref|MS-LS-SE-02-03-Food|below}]... |
sciq | sciq_01_05419 | What changes the chemical composition of a substance and can only occur through a chemical reaction? | [
"Oxygen Changes",
"chemical changes",
"mineral changes",
"carbon changes"
] | B | Pure substances, such as compounds, can be separated through chemical changes. Chemical changes change the chemical composition of a substance and can only occur through a chemical reaction. |
medmcqa | medmcqa_05_01268 | The dangerous particle size causing pneumoconiosis varies from - | [
"100-150µm",
"50-100µm",
"10-501µm",
"1-5µm"
] | D | Pneumoconiosis
Pneumoconiosis is an occupational lung disease caused by the inhalation of dust.
The development of pneumoconiosis depends on -
The amount of dust retained in the lungs and airways.
The size, shape of the particles → The most dangerous particle ranges from 1 to 5 µm in diameter because they may reach ... |
medmcqa | medmcqa_05_04657 | Gonioscopy is used to study | [
"Ant. Chamber",
"Post chamber",
"Angle of anterior chamber",
"Retina"
] | C | C i.e. Angle of anterior chamber Gonioscopy is examination of angle of anterior chamber Q. |
openbookqa | obqa_02_00673 | A new moon can be observed every | [
"1 month",
"1 week",
"1 day",
"1 year."
] | A | a revolution of the moon around the Earth takes 1 month |
sciq | sciq_01_04147 | What are the two methods of logical thinking? | [
"cathartic and deductive",
"Observation and result",
"inductive and dynamical",
"inductive and deductive"
] | D | Two approaches to logical thinking developed over the centuries. These two methods are inductive reasoning and deductive reasoning . Inductive reasoning involves getting a collection of specific examples and drawing a general conclusion from them. Deductive reasoning takes a general principle and then draws a specific ... |
sciq | sciq_01_11383 | What describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell? | [
"expulsion",
"exocytosis",
"autolysis",
"endocytosis"
] | B | Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell, as shown in Figure below . Exocytosis occurs when a cell produces substances for export, such as a protein, or when the cell is getting rid of a waste product or a toxin. Newly made memb... |
openbookqa | obqa_02_02155 | Winning a race requires you to be reach the finish line in a before your opponents, so using what will measure how much faster you win or lose by? | [
"a rabbit",
"a cup",
"a cotton swab",
"a stopwatch"
] | D | a stopwatch is used to measure time |
sciq | sciq_01_05994 | When scientists work in natural settings rather than a lab, it is called what? | [
"exploratory",
"extracurricular activity",
"fieldwork",
"outside work"
] | C | Some life scientists mainly do lab research. Other life scientists, like the botanist in Figure below , work in natural settings. This is called fieldwork . Whether in the lab or the field, research in life science can be dangerous. It’s important to be aware of the risks and how to stay safe. |
sciq | sciq_01_08523 | What kind of mutations are produced by nucleotide-pair insertions or deletions? | [
"cloned",
"shifty",
"frameshift",
"framing"
] | C | |
sciq | sciq_01_11000 | Both energy and heat can be expressed in units of what? | [
"ohms",
"amperes",
"velocities",
"joules"
] | D | Energy and heat are expressed in units of joules. |
sciq | sciq_01_04734 | An electrical motor changes electrical energy into what? | [
"chemical energy",
"mechanical energy",
"thermal energy",
"solar energy"
] | B | Electrical motors change electrical energy into mechanical energy. The motor consists of an electrical circuit with part of the wires inside a magnetic field. This can be seen below. Positive charges move through the circuit in the direction of the light purple arrows. When the charges move up through the part of the c... |
sciq | sciq_01_02752 | Metabolism is the collection of what that occur in an organism? | [
"mechanical reactions",
"mineral reactions",
"growth reactions",
"chemical reactions"
] | D | |
sciq | sciq_01_06512 | What body system consists of organs that break down food, absorb nutrients, and eliminate waste? | [
"hormonal system",
"skeletal system",
"lymphatic system",
"digestive system"
] | D | The digestive system consists of organs that break down food, absorb nutrients, and eliminate waste. |
sciq | sciq_01_09659 | What has has revolutionized biological and biomedical research and applications? | [
"synthesis chain reaction",
"Compound chain reaction",
"organism chain reaction",
"polymerase chain reaction"
] | D | Use a machine. The polymerase chain reaction has revolutionized biological and biomedical research and applications. Luckily many machines have been developed that allow this process to be performed rapidly and with precision. |
ARC-Easy | arc_04_01939 | When Javier exercises, his muscle cells need more oxygen. Which would help Javier's muscle cells receive more oxygen? | [
"decreasing his respiration rate",
"increasing his perspiration rate",
"increasing the rate his heart beats",
"decreasing the rate his blood flow"
] | C | null |
math_qa | mathqa_03_03767 | ramu bought an old car for rs . 42000 . he spent rs . 12000 on repairs and sold it for rs . 64900 . what is his profit percent ? | [
"12 %",
"16 %",
"20.18 %",
"82 %"
] | C | "total cp = rs . 42000 + rs . 12000 = rs . 54000 and sp = rs . 64900 profit ( % ) = ( 64900 - 54000 ) / 54000 * 100 = 20.18 % answer : c" |
sciq | sciq_01_11300 | What is the term for the process in which an area that has never before been colonized changes through time? | [
"continuous succession",
"environmental succession",
"colony succession",
"ecological succession"
] | D | Ecological succession is the process in which a community changes through time. Primary succession occurs in an area that has never before been colonized. Secondary succession occurs in a formerly inhabited area that was disturbed. |
sciq | sciq_01_06956 | What type of planet is jupiter? | [
"a red dwarf",
"a phantom",
"a gas giant",
"a noble gas"
] | C | Since Jupiter is a gas giant, could a spacecraft land on its surface? The answer is no. There is no solid surface at all! Jupiter is made mostly of hydrogen, with some helium, and small amounts of other elements. The outer layers of the planet are gas. Deeper within the planet, the intense pressure condenses the gases ... |
sciq | sciq_01_09423 | What happens when the blood cannot reach the heart because a blood vessel is blocked? | [
"fast heart beat",
"heart attack",
"pass out",
"heart burn"
] | B | A heart attack happens when the blood cannot reach the heart because a blood vessel is blocked. If cardiac muscle is starved of oxygen for more than roughly five minutes, it will die. Cardiac muscle cells cannot be replaced, so once they die, they are dead forever. Coronary heart disease is the leading cause of death o... |
sciq | sciq_01_07336 | What are made in the first step of the scientific method? | [
"hypothesis",
"patterns",
"observations",
"conclusions"
] | C | Scientific investigations generally follow a process called the scientific method. Steps of the scientific method include making observations, asking a question, forming a hypothesis, testing the hypothesis, drawing a conclusion, and communicating the results. |
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