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 ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_06197 | Saturated and unsaturated are the two main kinds of what? | [
"acids",
"sugars",
"fats",
"polymers"
] | C | There are two main types of fats, saturated and unsaturated. |
sciq | sciq_01_05954 | What is the amorphous form of carbon prepared by the incomplete combustion of natural gas? | [
"carbon black",
"dioxide black",
"dark black",
"liquid black"
] | A | Atoms within a graphite layer are bonded together tightly by the σ and π bonds; however, the forces between layers are weak. London dispersion forces hold the layers together. To learn more, see the discussion of these weak forces in the chapter on liquids and solids. The weak forces between layers give graphite the so... |
sciq | sciq_01_09234 | How does burning matter affect its mass? | [
"the mass decreases",
"the mass increases",
"the mass remains the same",
"the mass quadruples"
] | C | Burning and other changes in matter do not destroy matter. The mass of matter is always the same before and after the changes occur. |
math_qa | mathqa_03_02181 | at a speed of 40 miles per hour , a certain car uses 1 gallon of gasoline every 40 miles . if the car starts with a full 12 gallon tank of gasoline and travels for 5 hours at 40 miles per hour , the amount of gasoline used would be what fraction of a full tank ? | [
"3 / 25",
"5 / 12",
"7 / 12",
"2 / 3"
] | B | "gas used = ( 5 hours ) * ( 40 miles / hour ) * ( 1 gallon / 40 miles ) = 5 gallons portion used = ( 5 ) / 12 = 5 / 12 ans b" |
openbookqa | obqa_02_01661 | Dairy has things in it that would make humans sick, so in order for dairy to be edible, this process has to take place | [
"mixing",
"boiling",
"freezing",
"pasteurized"
] | D | pasteurization reduces the amount of bacteria in milk |
medmcqa | medmcqa_05_03970 | In LAHSHAL terminology for cleft lip & cleft palate, LAHSHAL denotes | [
"Bilateral cleft palate only",
"Bilateral cleft lip only",
"Bilateral cleft lip & palate",
"No cleft"
] | C | Ref: Bailey and love 27th edition Pgno :637 LAHSAL system of Classification LAHSAL system is a diagrammatic classification of cleft lip & cleft palate In this classification system, mouth is divided into 6 pas. I.e., LAHSAL Right Lip; right Alveolus ; Hard palate ; Soft palate ; Left Alveolus ; Left lip First character... |
openbookqa | obqa_02_01352 | photosynthesis makes food for the plant by converting carbon dioxide, water, and sunlight into what? | [
"dirt",
"sunlight",
"mental energy",
"sugars"
] | D | photosynthesis makes food for the plant by converting carbon dioxide, water, and sunlight into carbohydrates |
medmcqa | medmcqa_05_03253 | DNA denaturation is measured by absorbance at | [
"220nm",
"230nm",
"240 nm",
"260nm"
] | D | Increase in the optical absorbance of UV light by Purine and Pyrimidine bases called hyperchromicity.( DNA bases absorbs UV light of 260nm). |
sciq | sciq_01_02920 | Because glucose is a major cellular fuel, starch represents a supply of what? | [
"oxygen",
"hydrogen",
"energy",
"carbon"
] | C | |
sciq | sciq_01_02708 | Which measure indicates the number of electrons in a given sublevel? | [
"coefficients",
"subscripts",
"superscripts",
"mole"
] | C | There are no forces of attraction or repulsion between gas particles . Attractive forces are responsible for particles of a real gas condensing together to form a liquid. It is assumed that the particles of an ideal gas have no such attractive forces. The motion of each particle is completely independent of the motion ... |
medmcqa | medmcqa_05_00325 | How many vascular segments are present in each kidney? | [
"3",
"4",
"5",
"6"
] | C | Ans. is 'c' i.e., 5o Renal artery Right renal artery is longer and passes behind I VC. Renal artery divides into : -Posterior division :- Supplies posterior segment.Anterior division :-Divides further into 4 branches to supply apical, upper anterior, middle anterior and lower segments.o Thus, there are five vascular se... |
math_qa | mathqa_03_02436 | in how many years will a sum of money doubles itself at 18 % per annum on simple interest ? | [
"5.9 %",
"5.5 %",
"6 %",
"6.4 %"
] | B | "p = ( p * 18 * r ) / 100 r = 5.5 % answer : b" |
sciq | sciq_01_06433 | When does diseases like alzheimer's become more common? | [
"teenager",
"i-40 age",
"old age",
"toddler"
] | C | Old age begins in the mid-60s and lasts until the end of life. Most people over 65 have retired from work, freeing up their time for hobbies, grandchildren, and other interests. Stamina, strength, reflex time, and the senses all decline during old age, and the number of brain cells decreases as well. The immune system ... |
math_qa | mathqa_03_01041 | in a certain company 20 % of the men and 40 % of the women attended the annual company picnic . if 45 % of all the employees are men . what % of all the employee went to the picnic ? | [
"31 %",
"34 %",
"35 %",
"36 %"
] | A | "total men in company 45 % means total women in company 55 % ( assume total people in company 100 % ) no of men employees attended picnic = 45 x ( 20 / 100 ) = 9 no of women employees attend picnic = 55 x ( 40 / 100 ) = 22 total percentage of employees attend the picnic = 9 + 22 = 31 % answer : a" |
sciq | sciq_01_09835 | In general, kinetic energy is the form of energy powering any type of matter in motion, while the energy of position is called what? | [
"potential energy",
"thermal energy",
"magnetic energy",
"mechanical energy"
] | A | The Role of Energy in Chemical Reactions Chemical reactions require a sufficient amount of energy to cause the matter to collide with enough precision and force that old chemical bonds can be broken and new ones formed. In general, kinetic energy is the form of energy powering any type of matter in motion. Imagine you ... |
math_qa | mathqa_03_02635 | what is the next number : 3 , 11 , 83 , __ | [
"631",
"731",
"831",
"849"
] | B | "3 ^ 0 + 2 = 3 3 ^ 2 + 2 = 11 3 ^ 4 + 2 = 83 3 ^ 6 + 2 = 731 the answer is b ." |
medmcqa | medmcqa_05_01018 | Complete Cochlear Dysplasia is known as? | [
"Michael Dysplasia",
"Mondini dysplasia",
"Bing Dysplasia",
"Scheibe Dysplasia"
] | A | Ans. A Michael Dysplasia (Ref. Cochlear Implants: John Niparko 2nd/pg.48). Congenital inner ear malformations 1 Mondini Dysplasia, (Mondini malformation, Mondini defect) cochlea that is incomplete. A normal cochlea has two and a half turns, a cochlea with Mondini dysplasia has two, one and a half, one, or no turns (or ... |
sciq | sciq_01_05600 | What kind of cell is a cell with two chromosomes? | [
"haploid cells",
"neurotic cell",
"diploid cell",
"mutated cell"
] | C | |
sciq | sciq_01_11127 | What is already causing food and water shortages and species extinctions? | [
"immigration",
"global warming",
"zero population growth",
"urbanization"
] | B | Adding more heat energy to Earth’s atmosphere also causes more extreme weather and changes in precipitation patterns. Global warming is already causing food and water shortages and species extinctions. These problems will only grow worse unless steps are taken to curb greenhouse gases and global climate change. |
ARC-Challenge | arc_04_02807 | Many products are made from trees. Which is the best way to manage the use of trees? | [
"cut down most of the trees from forests",
"build more lumber mills",
"reduce the amount of recycled paper",
"plant a tree each time one is cut down"
] | D | null |
medmcqa | medmcqa_05_04752 | Persistant diarrhea is caused by - | [
"ETEC",
"EPEC",
"EEC",
"EAEC"
] | D | Ans. is 'd' i.e., EAEC |
openbookqa | obqa_02_00393 | An eagle will use their claws to catch which of the following? | [
"nuts and berries",
"mouse",
"lion",
"elephant"
] | B | claws are used to catch prey by some predators |
sciq | sciq_01_07227 | The van allen radiation belts are two regions in which energetic charged particles are trapped in earth’s what? | [
"magnetic field",
"cloud cover",
"gravitational field",
"ionosphere"
] | A | Figure 22.24 The Van Allen radiation belts are two regions in which energetic charged particles are trapped in the Earth’s magnetic field. One belt lies about 300 km above the Earth’s surface, the other about 16,000 km. Charged particles in these belts migrate along magnetic field lines and are partially reflected away... |
sciq | sciq_01_01354 | When an oxidation number of an atom is decreased in the course of a redox reaction, that atom is being what? | [
"replaced",
"reduced",
"increased",
"destroyed"
] | B | All redox reactions occur with a simultaneous change in the oxidation numbers of some atoms. At least two elements must change their oxidation numbers. When an oxidation number of an atom is increased in the course of a redox reaction, that atom is being oxidized. When an oxidation number of an atom is decreased in the... |
openbookqa | obqa_02_03278 | O2 molecules stacked on top of each other create weight which is then tallied by a | [
"speedometer",
"odometer",
"barometer",
"a microscope"
] | C | a barometer is used to measure air pressure |
openbookqa | obqa_02_00570 | which of these will lead to a larger population in a given habitat? | [
"all of these",
"severe famine and starvation",
"severe drought and dryness",
"a bountiful assortment of meals"
] | D | as the number of sources of food increase in an environment , the population of the organisms will increase in that environment |
openbookqa | obqa_02_03203 | Trees are mulched and liquefied before being dried to make | [
"houses",
"paper",
"toothpicks",
"floors"
] | B | creating paper requires cutting down trees |
math_qa | mathqa_03_02796 | two employees m and n are paid a total of $ 605 per week by their employer . if m is paid 120 percent of the salary paid to n , how much is n paid per week ? | [
"$ 245",
"$ 255",
"$ 265",
"$ 275"
] | D | "1.2 n + n = 605 2.2 n = 605 n = 275 the answer is d ." |
ARC-Easy | arc_04_00403 | Which scientist is known for his genetics experiments with pea plants? | [
"Charles Darwin",
"Gregor Mendel",
"Carolus Linnaeus",
"Robert Hooke"
] | B | null |
medmcqa | medmcqa_05_04775 | Not used for treatment and/or prophylaxis of seasonal influenza - | [
"Amantidine",
"Rimantidine",
"Oseltamivir",
"Acyclovir"
] | D | Ans. is 'd' i e., Acycloviro Two classes of antiviral drugs are available for the treatment and prevention of influenzai) Neuraminidase inhibitors: Zanamivir, Oseltamivir, peramivirii) Adamantanes: Amantidine, rimantidine |
medmcqa | medmcqa_05_02117 | Otto Veraguth sign is seen in | [
"Mania",
"OCD",
"Anxiety",
"Depression"
] | D | verguath fold is a prominent fold that is present in the medial side of nasal bridge, mainly seen in DEPRESSION Reference: Kaplon and sadock, 11 th edition, synopsis of psychiatry, 11 th edition, pg no. 348 |
ARC-Easy | arc_04_01355 | Which characteristic of a cell membrane allows it to control materials entering and leaving a cell? | [
"A cell membrane is surrounded by fluid.",
"A cell membrane is semipermeable.",
"A cell membrane holds organelles in place.",
"A cell membrane is found in plant and animal cells."
] | B | null |
sciq | sciq_01_05353 | The number of neutrons and electrons may vary or change in an atom. what happens to the number of protons? | [
"depends",
"remains the same",
"increases",
"decreases"
] | B | The number of protons per atom is always the same for a given element. However, the number of neutrons may vary, and the number of electrons can change. |
sciq | sciq_01_02161 | Yolk is a very fragile substance found in the eggs of reptiles and needs protection. what serves as protection for the yolk? | [
"yolk sac",
"eye sac",
"fish sac",
"dish sac"
] | A | |
medmcqa | medmcqa_05_03500 | Which of the following seen in preeclampsia:a) Hypertensionb) Proteinuriac) Convulsionsd) Pedal edema | [
"ab",
"a",
"ad",
"bc"
] | A | Hypertension: It is defined as systolic BP > 140 mm of Hg or diastolic BP > 90 mm of Hg on 2 occasions atleast 6 hours apart seen in previously normotensive female after 20 weeks of gestation or mean arterial pressure > 105 mm of Hg. |
openbookqa | obqa_02_04112 | Which likely changed the remains of prehistoric living things into natural gas? | [
"air currents",
"fire",
"thunder",
"volcanic reactions"
] | D | heat and pressure change the remains of prehistoric living things into natural gas |
sciq | sciq_01_05884 | Animals that have been modified to express recombinant dna are called what? | [
"reproducing animals",
"transgenic animals",
"mammalian animals",
"aquatic animals"
] | B | Transgenic Animals Although several recombinant proteins used in medicine are successfully produced in bacteria, some proteins require a eukaryotic animal host for proper processing. For this reason, the desired genes are cloned and expressed in animals, such as sheep, goats, chickens, and mice. Animals that have been ... |
sciq | sciq_01_10633 | What kind of scientist is concerned with facets of geomorphology, topography, vegetation, and climate? | [
"atstronomer",
"geophysicist",
"geologist",
"soil scientist"
] | D | Many soil scientists work both in an office and in the field. According to the United States Department of Agriculture (USDA): “a soil scientist needs good observation skills to analyze and determine the characteristics of different types of soils. Soil types are complex and the geographical areas a soil scientist may ... |
medmcqa | medmcqa_05_00048 | Methylphenindate is drug of choice for | [
"Obsessive compulsive disorder",
"ADHD (attention deficit hypersensitivity disorder)",
"Enuresis",
"Autism"
] | B | Ans. b (ADHD). (Ref. Pharmacology by KD Tripathi 5th/- 436; Harrison 18th/27, 369)Drugs used for ADHD# Methylphenidate# Amphetamine# PimolineMethylphenidate acts by releasing NA & dopamine in brain. It is preferred because it causes less tachycardia & growth retardation. |
openbookqa | obqa_02_01476 | A farmer's potato crop all dies and is gone to waste. The farmer looks in the field closely and can tell that the crops were destroyed by | [
"Jupiter",
"all",
"flowers",
"bugs"
] | D | insects can have a negative impact on crops |
sciq | sciq_01_03421 | How many different main types of diabetes are there? | [
"two",
"four",
"ten",
"three"
] | A | |
medmcqa | medmcqa_05_04452 | A 33-year-old patient with septic shock is noted to have persistent hypotension despite IV dopamine infusion. The patient is treated with an IV infusion of epinephrine. With which adrenoceptor does epinephrine act to constrict vascular smooth muscle | [
"a1 -Adrenoceptors",
"a2 -Adrenoceptors",
"b1 -Adrenoceptors",
"b2 -Adrenoceptors"
] | A | a1 -Adrenoceptors mediate vasoconstriction in many vascular beds. In skeletal muscle, epinephrine can act on b2 -adrenoceptors to cause vasodilation. Ref:- KD Tripathi |
sciq | sciq_01_07317 | Unlike energy, what happens to matter in ecosystems? | [
"it does not exist",
"it is filtered",
"it is destroyed",
"it is recycled"
] | D | Living things need nonliving matter as well as energy. What do you think matter is used for? It's used to build bodies. It's also needed to carry out the processes of life. Any nonliving matter that living things need is called a nutrient . Carbon and nitrogen are examples of nutrients. Unlike energy, matter is recycle... |
openbookqa | obqa_02_04306 | Nocturnal predators hunt when? | [
"sleep time",
"midday",
"morning",
"noon"
] | A | nocturnal predators hunt during the night |
medmcqa | medmcqa_05_01400 | "Owl Eye" appearance of inclusion bodies are seen in | [
"HIV-I",
"CMV",
"Papova",
"Toxocara"
] | B | (B) CMV # Cytomegalic cells in vivo (presumed to be infected epithelial cells) are two to four times larger than surrounding cells and often contain an 8- to 10-m intranuclear inclusion that is eccentrically placed and is surrounded by a clear halo, producing an "owl's eye" appearance.> Cytomegalic cells are found in a... |
medmcqa | medmcqa_05_01724 | What does the term nick translation refer to? | [
"Translation of RNA into polypeptide",
"Regulation of gene expression",
"Technique to label DNA",
"Technique to digest DNA"
] | C | A nick is a discontinuity in a double stranded DNA molecule where there is no phosphodiester bond. Nick is created by DNAse I Nick translation is done by DNA polymerase I Nick sealing is done by DNA ligase Nick translation removes DNA ahead of a nick, synthesizes DNA behind nick and as a net result, moves the nick in t... |
medmcqa | medmcqa_05_00466 | Transpo of Ascorbic acid to lenses done by | [
"Myoinositol",
"Choline",
"Taurine",
"Na/K ATPase"
] | A | Lens has a special carrier system for the Ascorbic acid which is a major oxidant in the lens This carrier system is mediated by myoinositol Refer: AK Khurana 6th edition |
math_qa | mathqa_03_02045 | of 60 children , 30 are happy , 10 are sad , and 20 are neither happy nor sad . there are 17 boys and 43 girls . if there are 6 happy boys and 4 sad girls , how many boys are neither happy nor sad ? | [
"5",
"4",
"6",
"8"
] | A | "venn diagrams are useful for multiple values of a single variable e . g . state of mind - happy / sad / neither . when you have two or more variables such as here where you have gender - boy / girl too , it becomes unwieldy . in this case , either use the table or logic . table method is shown above ; here is how you ... |
sciq | sciq_01_08563 | What is the name of the liquid component of a solution? | [
"ionic",
"solvent",
"solute",
"reactant"
] | B | Solutions can also be comprised of a solid solute and a liquid solvent. These interactions are governed by the same three interactions we discussed earlier: polar-polar, nonpolar-polar, and nonpolar-nonpolar. The Table below describes these interactions. |
sciq | sciq_01_06612 | What is defined as maintaining a stable internal environment? | [
"consciousness",
"ketosis",
"homeostasis",
"peristalsis"
] | C | Lenses are made of transparent material such as glass or plastic with an index of refraction greater than that of air. At least one of the faces is a part of a sphere; a convex lens is thicker at the center than the edges, and a concave lens is thicker at the edges than the center. Convex lenses are called converging l... |
openbookqa | obqa_02_04057 | Which requires an outlet? | [
"cold iced tea",
"usb tape player",
"frothy beer",
"blowing leaves"
] | B | electricity is made of moving charged particles |
sciq | sciq_01_10680 | How many pairs of upper jaws do insects have? | [
"six pairs",
"two pairs",
"four pairs",
"three pairs"
] | B | For feeding, the insect head contains one pair of lower jaws and two pairs of upper jaws. Insects have also evolved a wide range of specialized mouthparts for eating certain foods. You can see some examples in Figure below . |
sciq | sciq_01_07728 | What does a solar power plant turn sunlight into? | [
"electricity",
"mechanical energy",
"batteries",
"machinery"
] | A | Sunlight is turned into electricity at a solar power plant. A large group of mirrors focuses sunlight on one place. This place is called a receiver ( Figure below ). At the receiver, a liquid such as oil or water is heated to a high temperature. The liquid transfers its heat by conduction . In conduction, energy moves ... |
medmcqa | medmcqa_05_04400 | Vocabulary of a 2 year old child is? | [
"20 words",
"50 words",
"100 words",
"200 words"
] | C | Ans. (c) 100 wordsRef: Nelson's 18th ed ch: 32.2 |
medmcqa | medmcqa_05_02959 | Cryoglobulinemia is associated with which of the following | [
"Hepatitis C",
"Overian cancer",
"Diabetes",
"Leukemia"
] | A | Ref. API Textbook of Medicine. Pg. 1851
Cryogloblinemia is a vasculitis of small blood vessels that is caused by deposition of immune complexes.
Skin, joints, and nerves are commonly affected.
The heart, brain, or gastrointestinal tract each are affected in fewer than 10% of cases.
Most patients with cryoglobuline... |
medmcqa | medmcqa_05_02615 | A 39-yearold woman presents with a thickened, hyperpigment velvety lesion over the axillae. This condition is associated with | [
"Frequent wearing of velvet clothes",
"SLE",
"Tuberculosis",
"Insulin resistance"
] | D | skin tags may indicate insulin resistance. .Acanthosis nigricans manifests as areas of dark, velvety discoloration in body creases and folds such as the armpits, groin, and neck, sometimes causing skin to become thickened Ref Davidson 23rd edition pg 719 |
sciq | sciq_01_03418 | Electrons in the "outer shell" are also known as what kind of electrons? | [
"static",
"valence",
"charged",
"intermediate"
] | B | Determine the total number of valence (outer shell) electrons. For cations, subtract one electron for each. |
openbookqa | obqa_02_04867 | Which relationship is true? | [
"wind is renewable; metal is nonrenewable",
"wind is recyclable, metal is other",
"wind is happy, metal is other",
"wind is nonrenewable; metal is renewable"
] | A | metal is a nonrenewable resource |
openbookqa | obqa_02_00598 | Earth's magnetic patterns are helpful | [
"to birds building a nest",
"to lions roaming the Sahara",
"to birds looking a warmer locale",
"to whales trying to find a mate"
] | C | Earth 's magnetic patterns are used for finding locations by animals that migrate |
sciq | sciq_01_00563 | In multicellular organisms, mutations can be subdivided into germline mutations and? | [
"somatic mutations",
"elective mutations",
"resultant mutations",
"comparative mutations"
] | A | Once again, a mutation is the change in the DNA or RNA sequence. In multicellular organisms, mutations can be subdivided into germline mutations and somatic mutations. Germline mutations occur in the DNA of sex cells, or gametes, and are therefore potentially very serious. These mutations can be passed to the next gene... |
sciq | sciq_01_05535 | At least 20 percent of the world’s people do not have a ready supply of what? | [
"clean drinking water",
"oil",
"clothing",
"food"
] | A | The water Americans get from their faucets is safe. This water has been treated and purified. At least 20% of the world’s people do not have clean drinking water always available. That's more than 1 billion people. They must drink water from where they can get it. Maybe straight from a river or pond ( Figure below ). H... |
openbookqa | obqa_02_00048 | Greenhouses | [
"trap the dangerous gases released by plants",
"protect plants from snow and frost",
"keep plants from getting warm",
"protect plants from mild weather"
] | B | a greenhouse is used to protect plants from the cold |
medmcqa | medmcqa_05_02864 | Alcohol mainly increases - | [
"TG",
"LDL",
"VLDL",
"HDL"
] | D | Ans. is 'd' i.e., HDL Regular intake of small to moderate amounts of alcohol (1-2 drinks)has been found to raise HDL cholesterol levels and decrease LDL oxidation. This may be responsible for 15 - 35% lower incidence of coronary aery disease in such individuals. Risk reduction is greatest in high risk subjects and the ... |
ARC-Challenge | arc_04_02311 | A person catches and measures a large fish called a halibut. She thinks that this halibut is above average in size. To help support her thinking, it would be most helpful to measure | [
"many types of fish.",
"many fish of the same type.",
"fish from the same location.",
"fish during a different season."
] | B | null |
math_qa | mathqa_03_03391 | find the simple interest on $ 500 for 3 years at 10 % per annum ? | [
"$ 250",
"$ 300",
"$ 500",
"$ 150"
] | D | "si = ptr / 100 = 500 * 3 * 10 / 100 = $ 150 answer is d" |
medmcqa | medmcqa_05_00517 | Mucormycosis of paranasal sinus is most common in | [
"HIV",
"Diabetes",
"Those on immuno suppressants",
"Post surgical"
] | B | MUCORMYCOSIS: Caused by - rhizopus , rhizomucor , cunninghamella Moulds with non septate hyphae The higher prevalence of mucormycosis in India turned out to be statistically significant (p < 0.0001) in comparison with all other countries Predisposing factors - Organ transplant recipients - Long term desferroxamine ther... |
ARC-Challenge | arc_04_02318 | Which of these events occurs about every three months? | [
"high tide",
"new moon",
"new season",
"solar eclipse"
] | C | null |
math_qa | mathqa_03_00659 | a man has some hens and cows . if the number of heads be 44 and the number of feet equals 128 , then the number of hens will be | [
"22",
"24",
"26",
"20"
] | B | "explanation : let number of hens = h and number of cows = c number of heads = 44 = > h + c = 44 - - - ( equation 1 ) number of feet = 128 = > 2 h + 4 c = 128 = > h + 2 c = 64 - - - ( equation 2 ) ( equation 2 ) - ( equation 1 ) gives 2 c - c = 64 - 44 = > c = 20 substituting the value of c in equation 1 , we get h + 2... |
medmcqa | medmcqa_05_04978 | A 28-year-old bank employee undergoes investigation for infertility that revealed oligospermia. On further inquiry, it is found that he has suffered from repeated bouts of coughing since childhood and episodes of recurrent pancreatitis. Clubbing of the fingers is evident. Which test is most likely to reveal the cause o... | [
"Chest x-ray",
"X-ray of the humerus",
"Sweat chloride elevated to over 80 mEq/L",
"Sweat chloride reduced to less than 50 mEq/L"
] | C | Cystic fibrosis is the most common cause of chronic obstructive lung disease (COLD) in children and adolescents. It is an autosomal-recessive disease that affects widespread exocrine glands. COLD is evident in all patients who survive childhood. |
medmcqa | medmcqa_05_04966 | Decreased O2 carrying capacity and Normal PO2 is a feature of | [
"Anemic hypoxia",
"Histotoxic hypoxia",
"Stagnant hypoxia",
"Hypoxic hypoxia"
] | A | Subnormal level of haemoglobin causes decreased oxygen - carrying capacity of the blood. This, in turn, initiates compensatory physiologic adaptations such as :Increased release of oxygen from hemoglobin. o Increased blood flow to the tissues.Maintenance of the blood volume; andRedistribution of blood flow to maintain ... |
sciq | sciq_01_04606 | What chemical reaction is the opposite of oxidation? | [
"reduction",
"condensation",
"mutation",
"evaporation"
] | A | The chemical reaction that is the opposite of oxidation is called reduction. Following from the notion that oxidation was originally thought to mean only the addition of oxygen, reduction was thought to be only the removal of oxygen from a substance. Many naturally occurring metal ores are present as oxides. The pure m... |
ARC-Easy | arc_04_00237 | A student used two long wires to connect a lightbulb to a battery. The student noticed that as soon as the circuit was complete, a nearby compass started to point in a direction other than north. The compass pointed in a different direction because it was reacting to the | [
"heat produced by the lightbulb.",
"light produced by the lightbulb.",
"electric field produced by the battery.",
"magnetic field produced by the electric current."
] | D | null |
math_qa | mathqa_03_01382 | the average ( arithmetic mean ) of 22 , 33 , and 53 is 8 less than the average of 30 , 56 , and x . what is x ? | [
"42",
"44",
"46",
"48"
] | C | "the average of 22 , 33 , and 53 is 108 / 3 = 36 . the average of 30 , 56 and x is 44 . then 30 + 56 + x = 132 . x = 46 . the answer is c ." |
sciq | sciq_01_11170 | What replicates in the s phase of interphase, resulting in chromosomes composed of two linked sister chromatids? | [
"dna",
"hormones",
"RNA",
"protein"
] | A | DNA replicates in the S phase of interphase. After replication, the chromosomes are composed of two linked sister chromatids. When fully compact, the pairs of identically packed chromosomes are bound to each other by cohesin proteins. The connection between the sister chromatids is closest in a region called the centro... |
openbookqa | obqa_02_04449 | If a being is moving regularly, then that being is | [
"hardly healthy",
"probably strong",
"about to die",
"making little motion"
] | B | exercise has a positive impact on a human 's health |
ARC-Easy | arc_04_01308 | Which types of objects are most easily seen by the human eye? | [
"objects that reflect most of the light that strikes them",
"objects that refract most of the light that strikes them",
"objects that diffract most of the light that strikes them",
"objects that absorb most of the light that strikes them"
] | A | null |
openbookqa | obqa_02_00307 | The melting point of a duck would be | [
"higher than the body temps",
"lower than a refrigerator",
"higher than the sun's",
"lower than a freezer's"
] | A | melting point means temperature at which a solid melts |
sciq | sciq_01_03927 | Red bone marrow, tonsils, spleen, and thymus gland are considered organs of what system? | [
"endocrine",
"lymphatic",
"nervous",
"circulatory"
] | B | The lymph organs are the red bone marrow , tonsils , spleen , and thymus gland . They are described below ( Figure below ). |
math_qa | mathqa_03_04672 | we bought 85 hats at the store . blue hats cost $ 6 and green hats cost $ 7 . the total price was $ 548 . how many green hats did we buy ? | [
"36",
"38",
"40",
"42"
] | B | "let b be the number of blue hats and let g be the number of green hats . b + g = 85 . b = 85 - g . 6 b + 7 g = 548 . 6 ( 85 - g ) + 7 g = 548 . 510 - 6 g + 7 g = 548 . g = 548 - 510 = 38 . the answer is b ." |
ARC-Easy | arc_04_00811 | A student observes cells in an object by using a microscope. The student thinks that the object was part of a living thing. Which statement explains why cell theory can be used to support the student's thinking? | [
"Cell theory was developed using a microscope.",
"Cell theory was developed to study living things.",
"Cell theory states that all living things are made of cells.",
"Cell theory states that scientists may classify things as living or nonliving."
] | C | null |
sciq | sciq_01_10003 | What is the term for the exchange of genetic material between non-sister chromatids of homologous chromosomes? | [
"inheritance",
"meiosis",
"crossing-over",
"asexual reproduction"
] | C | When homologous chromosomes pair up during meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between non-sister chromatids of homologous chromosomes. It results in new combinations of genes on each chromosome. |
openbookqa | obqa_02_00264 | A pollutions standard is something which | [
"will hopefully limit the amount of damage done to the environment by large producers",
"a standard that gets applied to every person",
"a way to get factories to make more product",
"the best way to reduce poisoning the trees in Michigan"
] | A | a pollutions standard is a kind of standard for reducing pollutants emitted by factories |
openbookqa | obqa_02_01748 | To replenish the shade in a city that had been provided by trees that were felled by a storm, you must | [
"grow gills and live on a raft",
"use a large lawn mower",
"introduce replacement timber producers",
"get out your weed whacker"
] | C | a tree can be replaced by planting a new tree |
ARC-Easy | arc_04_01467 | The thin, semi-permeable membrane that encloses a cell allows nutrients to enter and wastes to be | [
"digested.",
"recycled.",
"protected.",
"excreted."
] | D | null |
sciq | sciq_01_05080 | What do muscles need to contract? | [
"tendons",
"stimulus",
"stress",
"pressures"
] | B | Muscles cannot contract on their own. They need a stimulus from a nerve cell to “tell” them to contract. Let’s say you decide to raise your hand in class. Your brain sends electrical messages to nerve cells, called motor neurons, in your arm and shoulder. The motor neurons, in turn, stimulate muscle fibers in your arm ... |
sciq | sciq_01_07370 | Frogs are amphibians that live part of the time in fresh water and rest of the time where? | [
"in salt water",
"on land",
"in stagnant water",
"underground"
] | B | Amphibians are vertebrates that live part of the time in fresh water and part of the time on land. They were the first vertebrates to evolve four legs and colonize the land. They most likely evolved from lobe-finned fish. Modern amphibians include frogs, toads, salamanders, newts, and caecilians. They are ectotherms, s... |
sciq | sciq_01_08478 | Tree sap enclosing an organism in amber or an organism preserved in tar or ice are actually examples of what? | [
"bones",
"corals",
"fossils",
"fuels"
] | C | Fossils may form in other ways. With complete preservation, the organism doesn't change much. As pictured below ( Figure below ), tree sap may cover an organism and then turn into amber . The original organism is preserved so that scientists might be able to study its DNA. Organisms can also be completely preserved in ... |
math_qa | mathqa_03_01908 | salesperson a ' s compensation for any week is $ 210 plus 6 percent of the portion of a ' s total sales above $ 1,000 for that week . salesperson b ' s compensation for any week is 8 percent of b ' s total sales for that week . for what amount of total weekly sales would both salespeople earn the same compensation ? | [
"$ 3500",
"$ 5500",
"$ 7500",
"$ 9500"
] | C | "210 + 0.06 ( x - 1000 ) = 0.08 x 0.02 x = 150 x = $ 7,500 the answer is c ." |
sciq | sciq_01_02223 | What stages in the life of a cell does the cell cycle include? | [
"both",
"adult stages",
"all",
"intermediate stages"
] | C | Cell division is just one stage of the cell cycle. The cell cycle includes all of the stages in the life of a cell. The cell cycle is more complex in eukaryotic than prokaryotic cells. |
sciq | sciq_01_09265 | What do you call a predator species that affects other species' populations when its own population size changes? | [
"complement species",
"keystone species",
"symbiotic species",
"paradox species"
] | B | Some predator species play a special role in their community. They are called keystone species. When the population size of a keystone species changes, the populations of many other species are affected. Prairie dogs, pictured in Figure below , are an example of a keystone species. Their numbers affect most of the othe... |
ARC-Easy | arc_04_01787 | A pot of cold water was heated on a stove until the water boiled. Which of the following best explains why the water was able to boil? | [
"The hot stove absorbed cold from the pot.",
"The cold water absorbed heat from the pot.",
"The hot stove gave off heat to the surrounding air.",
"The cold water gave off cold to the surrounding air."
] | B | null |
openbookqa | obqa_02_01781 | A person eats some berries in them while camping in one location. In another location, miles away, they defecate outdoors. A result of this is | [
"seeds dying",
"berry pips relocating",
"crows hoarding",
"people coughing"
] | B | seed dispersal is when the seeds of a plant are spread from the parent plant to another area |
sciq | sciq_01_02934 | Circular water waves decrease in what property as they move away from where a rock is dropped? | [
"mass",
"amplitude",
"voltage",
"frequency"
] | B | 16.11 Energy in Waves: Intensity 17. Two identical waves undergo pure constructive interference. Is the resultant intensity twice that of the individual waves? Explain your answer. Circular water waves decrease in amplitude as they move away from where a rock is dropped. Explain why. |
math_qa | mathqa_03_04907 | a batsman scored 100 runs which included 3 boundaries and 8 sixes . what percent of his total score did he make by running between the wickets ? | [
"45 ( 4 / 11",
"40 %",
"45 ( 5 / 11",
"44 ( 5 / 11"
] | B | "explanation : total runs scored = 100 total runs scored from boundaries and sixes = 3 x 4 + 8 x 6 = 60 total runs scored by running between the wickets = 100 - 60 = 40 required % = ( 40 / 100 ) × 100 = 40 % answer : option b" |
math_qa | mathqa_03_00346 | the sale price sarees listed for rs . 750 after successive discount is 20 % and 15 % is ? | [
"227",
"570",
"342",
"680"
] | B | "750 * ( 80 / 100 ) * ( 85 / 100 ) = 570 answer : b" |
sciq | sciq_01_08276 | Birds adapted wings and weathers for flight during what process? | [
"emergence",
"variation",
"migration",
"evolution"
] | D | Wings and feathers are two adaptations for flight that evolved in birds. Both are clearly displayed in the flying gull in Figure below . Wings evolved from the front limbs of a four-legged ancestor. The wings are controlled by large flight muscles in the chest. Feathers also help birds fly. They provide air resistance ... |
medmcqa | medmcqa_05_01550 | Which of the following is contraindicated in head injury? | [
"Ketamine",
"Halothane",
"N2O",
"Propofol"
] | A | Ans. is 'a' i.e., Ketamine o Ketamine increases cerebral blood flow, metabolism, oxygen consumption and intracranial tension, unlike thiopentone, propofol&etomidate, which have cerebroprotectiveeffect, therefore ketamine is contraindicated in head injury, intracranial space occupying lesions and for neuroanaesthesia.Ke... |
sciq | sciq_01_00831 | Mechanical energy can also usually be expressed as the sum of kinetic energy and what other kind of energy? | [
"potential energy",
"reflective energy",
"partial energy",
"directional energy"
] | A | Kinetic and potential energy add up to mechanical energy. |
medmcqa | medmcqa_05_04468 | Disinfectance used for blood spills | [
"Phenol",
"Glutaraldehyde",
"Ethanol",
"Sodium hypochlorite"
] | D | Hypochlorites are most widely used chlorine disinfectant. Liquid form: sodium hypochlorite Household bleach Broad-spectrum of antimicrobial activities Do not leave toxic residues Unaffected by water hardness Inexpensive and fast-acting Remove dried or fixed organisms and biofilm a from surfaces (refer pgno:129 park 23 ... |
medmcqa | medmcqa_05_02820 | Recruitment of follicles to form primordial follicle is done by: | [
"Estrogen",
"HCG",
"Follicle stimulating hormone",
"LH"
] | C | Ans: c (Follicle stimulating hormone) Ref: Shaw, 13th ed,p. 28Development of a primordial follicle into a graffian follicle is under the control of follicle stimulating hormone secreted by the anterior pituitary.FSH produces grow'th and development of ovarian follicles during the first 14 days after menses.This leads t... |
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