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_08832 | Body plans do provide a succinct way to compare and contrast what? | [
"missing animal features",
"key animal features",
"distinctive animal features",
"degenerative animal features"
] | B | |
sciq | sciq_01_02139 | How many years ago did early amniotes diverge into two groups? | [
".416 million years",
"320 million years",
".175 million years",
"20 million years"
] | B | By about 320 million years ago, early amniotes had diverged into two groups, called synapsids and sauropsids. Synapsids were amniotes that eventually gave rise to mammals. Sauropsids were amniotes that evolved into reptiles, dinosaurs, and birds. The two groups of amniotes differed in their skulls. The earliest known r... |
openbookqa | obqa_02_02709 | A way to conserve something is to | [
"use it up",
"use it sparsely",
"use it quickly",
"finish it off"
] | B | An example of conservation is not using fossil fuel |
math_qa | mathqa_03_04677 | a runner runs the 40 miles from marathon to athens at a constant speed . halfway through the run she injures her foot , and continues to run at half her previous speed . if the second half takes her 5 hours longer than the first half , how many hours did it take the runner to run the second half ? | [
"8",
"9",
"10",
"11"
] | C | the runner runs the first 20 miles at speed v and the second 20 miles at speed v / 2 . the time t 2 to run the second half must be twice the time t 1 to run the first half . t 2 = 2 * t 1 = t 1 + 5 t 1 = 5 and so t 2 = 10 . the answer is c . |
openbookqa | obqa_02_03497 | soil is formed by | [
"plastic bottles breaking down",
"falling from the sky",
"the fumes from car exhaust",
"animals stepping on dead leaves and crushing it into bits"
] | D | soil is formed by rocks eroding |
math_qa | mathqa_03_02560 | we have a rectangular metallic piece of paper that covers exactly the area of a cube . the length of the piece of paper is 144 inches and the width is 72 inches . what is the volume of the cube in cubic feet is 1 feet is 12 inches ? | [
"a 216",
"b 196",
"c 170",
"d 140"
] | A | "l = 144 / 12 = 12 ft w = 72 / 12 = 6 ft area of paper = 72 area of cube = 12 * side ^ 2 side of cube = 6 v of cube = 216" |
sciq | sciq_01_06144 | Birds have evolved a respiratory system that enables them to fly. flying is a high-energy process and requires a lot of this? | [
"oxygen",
"adaptation",
"nitrogen",
"weight"
] | A | Avian Respiration Birds have evolved a respiratory system that enables them to fly. Flying is a high-energy process and requires a lot of oxygen. Furthermore, many birds fly in high altitudes where the concentration of oxygen in low. How did birds evolve a respiratory system that is so unique? Decades of research by pa... |
sciq | sciq_01_05888 | What does the moon not have to protect it from extreme temperatures? | [
"atmosphere",
"oxygen",
"metals",
"oceans"
] | A | The Moon has no atmosphere. With no atmosphere, the Moon is not protected from extreme temperatures. The average surface temperature during the day is approximately 107°C (225°F). Daytime temperatures can reach as high as 123°C (253°F). At night, the average temperature drops to -153°C (-243°F). The lowest temperatures... |
math_qa | mathqa_03_04799 | if 10 litres of an oil of rs . 50 per litres be mixed with 5 litres of another oil of rs . 68 per litre then what is the rate of mixed oil per litre ? | [
"rs . 49.17",
"rs . 51.03",
"rs . 56",
"rs . 55.33"
] | C | "50 * 10 = 500 68 * 5 = 340 840 / 15 = 56 answer : c" |
math_qa | mathqa_03_04931 | a set of consecutive positive integers beginning with 1 is written on the blackboard . a student came along and erased one number . the average of the remaining numbers is 35 7 / 17 . what was the number erased ? | [
"seven 7",
"8",
"9",
"15"
] | A | "2 ) the average of the new group of numbers is 35 7 / 17 . the denominator of that fraction tells us that the total number of terms in the new list must be a multiple of 17 : 17 , 34 , 51 , 68 , 85 , etc . 3 ) since we ' re removing 1 number from a list of consecutive positive integers , we could quickly limit down th... |
sciq | sciq_01_00650 | What are protons and neutrons that make up the nucleus of an atom called? | [
"electron shells",
"nucleons",
"baryons",
"pions"
] | B | and Z, the atomic number, is the number of protons. The protons and neutrons that make up the nucleus of an atom are callednucleons, and an atom with a particular number of protons and neutrons is called anuclide. Nuclides with the same number of protons but different numbers of neutrons are called isotopes. Isotopes c... |
openbookqa | obqa_02_02331 | Which would likely occur in nature? | [
"a horse hatches from an egg",
"a bird comes directly from the womb",
"a frog comes from its mother indirectly in the form of an egg",
"a fish comes on land to give birth"
] | C | amphibians hatch from eggs |
math_qa | mathqa_03_00370 | find the area of trapezium whose parallel sides are 12 cm and 16 cm long , and the distance between them is 14 cm ? | [
"288 cm 2",
"277 cm 2",
"285 cm 2",
"196 cm 2"
] | D | "area of a trapezium = 1 / 2 ( sum of parallel sides ) * ( perpendicular distance between them ) = 1 / 2 ( 12 + 16 ) * ( 14 ) = 196 cm 2 answer : d" |
sciq | sciq_01_07596 | What type of map projection is used for small areas to avoid distortion? | [
"gnomic projection",
"unmeasured projection",
"mercator projection",
"equatorial projection"
] | A | What if you want a different approach? Let's say you don't want to wrap a flat piece of paper around a round object. You could put a flat piece of paper right on the area that you want to map. This type of map is called a gnomonic map projection ( Figure below ). The paper only touches Earth at one point. The sizes and... |
sciq | sciq_01_06709 | What is a sac filled with fluid or other material? | [
"Golgi apparatus",
"a cyst",
"a receptacle",
"a lesion"
] | B | Cysts may develop in the ovaries. A cyst is a sac filled with fluid or other material. Ovarian cysts are usually harmless and often disappear on their own. However, some cysts may be painful and require surgery. |
sciq | sciq_01_04643 | Forces which cause objects to turn around continuously in a circle are known as? | [
"centripetal forces",
"tension forces",
"frictional forces",
"hydrodynamic forces"
] | A | In the absence of a net force, objects move in a straight line. If they turn — that is, if their velocity changes, even only in direction — there must be an applied force. Forces which cause objects to turn around continuously in a circle are known as centripetal forces. When an object moves in a circle its velocity at... |
ARC-Challenge | arc_04_02558 | Which example describes a behavioral adaptation? | [
"A bird builds its nest in the ash near a volcano.",
"A whale has the ability to hold its breath for 20 minutes.",
"A fox's hair is white in the winter and brown in the summer.",
"A monkey has long arms that allow it to swing from one branch to another."
] | A | null |
sciq | sciq_01_08242 | Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what? | [
"gravity trends",
"acoustic trends",
"chemical trends",
"periodic trends"
] | D | One of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. The variation of properties versus position on the periodic table is called periodic trends. There is no other tool in sc... |
medmcqa | medmcqa_05_04490 | A child wakes up at night sweating and terrified does not remember the episode. Diagnosis ? | [
"Narcolepsy",
"Nightmares",
"Night terrors",
"Somnambulism"
] | C | Sleep terrors/ Night Terrors individual gets up from sleep with a panicky scream and intense anxiety, body motility and autonomic hyperactivity. individual ahs limited recall of the event. Ref: synopsis of psychiatry, 11e, pg 539. |
sciq | sciq_01_04809 | What is the wavelength of light expressed in? | [
"millimeters",
"nanometers (nm)",
"nanoseconds",
"vatts"
] | B | Light As with auditory stimuli, light travels in waves. The compression waves that compose sound must travel in a medium—a gas, a liquid, or a solid. In contrast, light is composed of electromagnetic waves and needs no medium; light can travel in a vacuum (Figure 36.16). The behavior of light can be discussed in terms ... |
openbookqa | obqa_02_02637 | A microscope creates clarity by | [
"levitation",
"acceleration",
"decomposition",
"augmentation"
] | D | magnifying makes seeing small things easier through using a microscope |
math_qa | mathqa_03_01855 | you buy a piece of land with an area of √ 900 , how long is one side of the land plot ? | [
"28'",
"29'",
"30'",
"31'"
] | C | try filling the numbers into the answer y x y = find the closest to 900 . answer c |
openbookqa | obqa_02_04480 | A reflector is used to reflect | [
"dirt",
"sunbeams",
"cosmic dust",
"solar heat"
] | B | the moon reflects sunlight towards the Earth |
medmcqa | medmcqa_05_01805 | Indication for prophylaxis in pneumocystis carini pneumonia include - | [
"CD4 count < 200/u1",
"Tuberculosis",
"Viral load > 25,000 copies/ml",
"Oral candidiasis"
] | A | Ans. is 'a' i.e., CD4 count < 200/ul & 'c' i.e., Oral candidiasis PROPHYLAXIS OF PNEUMOCVSTIC CARINIIPNEUMONIAPrimary prophylaxis is indicated foro Patients with CD4+ cell counts of < 200/uLo History of oropharyngeal candidiasisSecondary prophylaxis is indicated foro Both HIV infected and non HIV infected patientso Who... |
medmcqa | medmcqa_05_01377 | Which one of the following clinical findings excludes the diagnosis of polymyositis? | [
"Neck muscle involvement",
"Extraocular muscle involvement",
"Dysphagia",
"Abdominal muscle involvement"
] | B | PM don't have any of the following:rashes ,involvement of extraocular and facial muscles ,family history of neuromuscular disease,history of exposure to myotonic drugs or toxins ,endocrinopathy ,neurogenic disease,muscular dystrophy ,biochemical muscle disorder. Ocular muscles are never involved in generalized polymyos... |
medmcqa | medmcqa_05_04271 | Antenatal screening test done in the maternal serum is _______ | [
"Percutaneous unbilical blood sampling",
"Cell-free fetal DNA testing",
"Chorionic villus sampling",
"Amniocentesis"
] | B | Antenatal screening test done in the maternal serum is cell-free fetal DNA testing, which is a non-invasive prenatal screening. This test is done using the freely circulating fetal cells in the maternal serum. It is useful for karyotyping and for detecting single gene disorders. Invasive procedures for prenatal diagnos... |
openbookqa | obqa_02_04284 | The state of a gas vaporized from a surface liquid under increased pressure and higher temperatures is | [
"part of how nature replenishes, purifies and recirculates water",
"a stage when water molecules are prevented from escaping into the atmosphere",
"a stage when moisture leaves the atmosphere without being recirculated",
"a stage that only occurs once"
] | A | evaporation is a stage in the water cycle process |
sciq | sciq_01_07416 | What current-carrying long coil of wire acts as a magnet? | [
"antenna",
"igniter",
"converter",
"solenoid"
] | D | Magnetic Field Produced by a Current-Carrying Solenoid A solenoid is a long coil of wire (with many turns or loops, as opposed to a flat loop). Because of its shape, the field inside a solenoid can be very uniform, and also very strong. The field just outside the coils is nearly zero. Figure 22.40 shows how the field l... |
sciq | sciq_01_06535 | Each protein has its own unique sequence and shape held together by chemical interactions. if the protein is subject to changes in temperature, ph, or exposure to chemicals, the protein structure may change, losing its shape in what is known as this? | [
"denaturation",
"fermentation",
"gastrulation",
"extraction"
] | A | Each protein has its own unique sequence and shape held together by chemical interactions. If the protein is subject to changes in temperature, pH, or exposure to chemicals, the protein structure may change, losing its shape in what is known as denaturation as discussed earlier. Denaturation is often reversible because... |
medmcqa | medmcqa_05_04432 | 5 year old child going to sitting craniotomy while positioning in O.T. developed end tidal CO2 0mm HgPO2 80 mm Hg implies – | [
"Endotracheal tube in oesophagus",
"E.T. blocked with secretion",
"Venous air Embolism",
"Left lung collapse"
] | C | Information in this question : -
Child is under going sitting craniotomy
Rapid fall of ETCO2 (while in position, child develops ETCO20)
This indicates venous air embolism due to sitting craniotomy.
In esophageal intubation, ETCO2 will be zero from the start only (unlike venous air embolism in which initially there ... |
sciq | sciq_01_08837 | What is another term for body chromosomes? | [
"subsets",
"Chromosomes",
"quasars",
"autosomes"
] | D | In a given species, chromosomes can be identified by their number, size, centromere position, and banding pattern. In a human karyotype, autosomes or “body chromosomes” (all of the non–sex chromosomes) are generally organized in approximate order of size from largest (chromosome 1) to smallest (chromosome 22). The X an... |
sciq | sciq_01_04873 | What theory can explain virtually all the properties of metals? | [
"band theory",
"formation theory",
"bonding theory",
"property law theory"
] | A | Band theory can explain virtually all the properties of metals. Metals conduct electricity, for example, because only a very small amount of energy is required to excite an electron from a filled level to an empty one, where it is free to migrate rapidly throughout the crystal in response to an applied electric field. ... |
math_qa | mathqa_03_03295 | area of a square is 1 / 2 hectare . the diagonal of the square is ? | [
"250 meter'",
"100 meter'",
"50 √ 2 meter'",
"50 meter'"
] | B | area = 1 / 2 hectare = 10000 / 2 m 2 = 5000 m 2 again area = 1 / 2 x ( diagonal ) 2 so 1 / 2 x ( diagonal ) 2 = 5000 m 2 diagonal 2 = 10000 diagonal = 100 answer : b |
medmcqa | medmcqa_05_02584 | Syndrome associated with thymic and parathyroid hypoplasia: | [
"Prader Willi syndrome",
"Angelman syndrome",
"Di George syndrome",
"MENU"
] | C | Ans: c (Di George syndrome) Ref: Harrison, 16th ed,p. 1942; Nelson, 17th ed, p. 211, 694,735Di George syndrome is characterized by variable loss of T cell mediated immunity (due to hypoplasia of thymus), tetany (due to lack of parathyroids) and congenital defects of heart and great vessels.Di George syndromeIt is a syn... |
openbookqa | obqa_02_00629 | if the temperature gauge on a dashboard goes up while vehicle is motion, what could be responsible? | [
"the snow falling outside",
"the rubbing of the mechanical parts",
"the car sales man",
"the anger of the driver"
] | B | friction causes the temperature of an object to increase |
math_qa | mathqa_03_04746 | a train speeds past a pole in 12 seconds and a platform 160 m long in 17 seconds . its length is ? | [
"384",
"360",
"324",
"390"
] | A | "let the length of the train be x meters and its speed be y m / sec . they , x / y = 12 = > y = x / 12 x + 160 / 17 = x / 12 x = 384 m . answer : a" |
ARC-Easy | arc_04_00018 | A student standing near a campfire feels warmer as the fire grows. Which process most likely transfers heat from the campfire to the student? | [
"conduction",
"convection",
"radiation",
"transformation"
] | C | null |
openbookqa | obqa_02_04140 | A supermodel with a big nose probably | [
"ate an animal with a big nose",
"had a parent also with one",
"didn't pay the photographer enough",
"ate dog food a lot"
] | B | when both a dominant and recessive gene are present , the dominant trait will be visible |
medmcqa | medmcqa_05_04975 | GnRH analogue used In hormonal treatment of carcinoma of prostate Is | [
"Goserelin",
"Nilutamide",
"Cyproterone acetate",
"Finasteride"
] | A | Goserelin is a long acting GnRH agonist. It is used in the treatment of prostate cancer. nilutamide is also used in prostate cancer but it is anti androgen not a GNRH analogue finatseride is 5 alpha reductase inhibitor cyproterone- anti androgen with progestational propeies (REF.Essential of medical pharmacology K D TR... |
openbookqa | obqa_02_02807 | A person can bring harm to an animal habitat by | [
"avoiding it",
"leaving it alone",
"building in it",
"ignoring it"
] | C | humans changing animal habitats usually causes harm to those animals |
math_qa | mathqa_03_04979 | 20 chess players take part in a tournament . every player plays twice with each of his opponents . how many games are to be played ? | [
"380",
"470",
"560",
"650"
] | A | "2 * 20 c 2 = 2 * 190 = 380 the answer is a ." |
math_qa | mathqa_03_03536 | the unit digit in the product 1457 * 7863 * 4575 * 9719 is ? | [
"5",
"1",
"2",
"3"
] | A | "unit digit in the given product = unit digit in 7 * 3 * 5 * 9 = 5 answer is a" |
sciq | sciq_01_07557 | During what are deletions and duplications especially likely to occur? | [
"meiosis",
"endothermia",
"electrolysis",
"nucleus"
] | A | |
openbookqa | obqa_02_02540 | A deer would prefer to eat | [
"Metal",
"Cucumbers",
"Pigs",
"Chalk"
] | B | a deer lives in a forest |
sciq | sciq_01_09692 | Each proton has how many units of positive charge? | [
"zero",
"one",
"two",
"three"
] | B | |
medmcqa | medmcqa_05_01486 | Treatment for CA Anal canal is | [
"Surgery",
"Surgery + Radiotherapy",
"Chemoradiation",
"Chemotherapy"
] | C | Ca. Anal canal is treated by nigro’s regimen which is combine chemo + radiotherapy. |
medmcqa | medmcqa_05_02767 | Renal causes of acute renal failure in children include? | [
"Minimal change disease",
"Renal amyloidosis",
"Pre-eclampsia",
"Hemolytic uremic syndrome"
] | D | Ans. is "d' i.e., Hemolytic uremic syndrome Acute renal failure o Acute renal failure (ARF) is a clinical syndrome in which a sudden deterioration in renal function results in the inability of the kidneys to maintain fluid and electrolyte hemostasis. o ARF has been classified into three categories ? 1) Pre-renal ARF (P... |
sciq | sciq_01_00807 | What is the term for environmental causes of mutations? | [
"carcinogens",
"catalysts",
"mutagens",
"pollutants"
] | C | A mutation is a change in the base sequence of DNA or RNA. Environmental causes of mutations are called mutagens. The effects of a mutation depend on the type of mutation and whether it occurs in a gamete or body cell. |
ARC-Easy | arc_04_01589 | The skin of a chameleon can change colors to help it blend with its surroundings. How would this adaptation most likely help a chameleon survive? | [
"by scaring predators away from the chameleon",
"by attracting prey animals to the chameleon",
"by sending a signal to other chameleons",
"by helping the chameleon hide from its predators"
] | D | null |
sciq | sciq_01_00268 | What is the second most abundant element in the earth's crust? | [
"helium",
"carbon",
"silicon",
"nitrogen"
] | C | What is this intricate orb? It is the greatly magnified skeleton of single-celled ocean organisms call radiolarian. The skeleton is made of an element that is extremely common on Earth. In fact, it is the second most abundant element in Earth’s crust. It is also one of the most common elements in the entire universe. W... |
ARC-Challenge | arc_04_02931 | Which compound does not contain individual molecules? | [
"salt",
"water",
"hydrogen gas",
"carbon monoxide"
] | A | null |
sciq | sciq_01_00775 | Weathering is fundamental to the creation of what, which exists as a very thin layer over solid rock? | [
"soil",
"fungus",
"aquifers",
"moss"
] | A | Without weathering, we would not have any soil on Earth. People could not live on Earth without soil! Your life and the lives of most organisms depend on soil. Soil is only a very thin layer over solid rock. Yet, it is the place where reactions between solid rock, liquid water and air take place. We get wood, paper, co... |
sciq | sciq_01_09190 | The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of what? | [
"large intestine",
"colon",
"small intestine",
"liver"
] | A | The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of the large intestine, the cecum. Relaxation of the ileocecal sphincter is controlled by both nerves and hormones. First, digestive act... |
math_qa | mathqa_03_02399 | a business executive and his client are charging their dinner tab on the executive ' s expense account . the company will only allow them to spend a total of 75 $ for the meal . assuming that they will pay 7 % in sales tax for the meal and leave a 15 % tip , what is the most their food can cost ? | [
"69.55 $",
"50.63 $",
"60.95 $",
"52.15 $"
] | C | "let x is the cost of the food 1.07 x is the gross bill after including sales tax 1.15 * 1.07 x = 75 x = 60.95 hence , the correct option is c" |
sciq | sciq_01_04250 | What occurs when rain falls more quickly than water can be absorbed into the ground or carried away by rivers or streams? | [
"greenhouse effect",
"landslides",
"typhoons",
"floods"
] | D | Floods may occur when deep snow melts quickly in the spring. More often, floods are due to heavy rainfall. Floods happen when rain falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. |
math_qa | mathqa_03_00357 | a certain electric - company plan offers customers reduced rates for electricity used between 8 p . m . and 8 a . m . weekdays and 24 hours a day saturdays and sundays . under this plan , the reduced rates q apply to what fraction of a week ? | [
"1 / 2",
"5 / 8",
"9 / 14",
"16 / 21"
] | C | "number of hours between 8 pm to 8 am = 12 number of hours with reduced rates = ( 12 * 5 ) + ( 24 * 2 ) hours with reduced rates q / total number of hours in a week = ( 12 * 5 ) + ( 24 * 2 ) / ( 24 * 7 ) = 108 / ( 24 * 7 ) = 9 / 14 answer : c" |
sciq | sciq_01_05666 | Receptor clustering happens when what binds to the receptors? | [
"carbohydrates",
"lipid molecules",
"enzymes",
"fas molecules"
] | D | |
openbookqa | obqa_02_03580 | the muscle that never sleeps takes oxygen rich what to the body | [
"tar",
"plasma",
"antibodies",
"acid"
] | B | the circulatory system brings oxygen from the lungs to the rest of the body |
ARC-Easy | arc_04_00631 | How should researchers share their findings with other scientists to validate their study of the effectiveness of a new medication? | [
"e-mail the research results to local newspapers",
"publish the research results in a scientific journal",
"publish the results in brochures for doctors",
"discuss the research results on the Internet"
] | B | null |
sciq | sciq_01_06937 | Producing light without heat is called what? | [
"osmosis",
"thermoluminescence",
"luminescence",
"bioluminescence"
] | C | The sun and other stars produce light because they are so hot. They glow with light due to their extremely high temperatures. This way of producing light is called incandescence . Some objects produce light without becoming very hot. They generate light through chemical reactions or other processes. Producing light wit... |
math_qa | mathqa_03_03477 | in a class , 30 students pass in english and 20 students in math , while some students among these pass in both . how many more students do only english as compared to those doing only maths ? | [
"10",
"15",
"20",
"25"
] | A | let us consider tht x student are tohse who passed in both english and maths . . . so first we remove x student from both of them therefore , english = 30 - x maths = 20 - x now , number of students more in english = ( 30 - x ) - ( 20 - x ) = 30 - x - 20 + x = 10 answer : a |
medmcqa | medmcqa_05_01032 | What is the mechanism of action of latanprost? | [
"Decrease in aqueous secretion from ciliary eputhelium",
"Increased uveoscleral outflow",
"Opening of trabecular meshwork leading to increased outflow",
"Decreased vitreous volume"
] | B | Ans. is 'b' i.e., Increased uveoscleral outflow Mechanism of action of pharmacological agents in POAGAgentMechanism of actiono b-blocker (Timolol, Betaxolol, levobunolol, carteolol)o Prostaglandins (latanoprost, bimatoprost, travoprost)o Alpha agonists# Non-selective (Epinephrine, Dipivefrine)# Selective a-2 (Aprocloni... |
openbookqa | obqa_02_01691 | chloroplasts are rarely found in | [
"root hair cells",
"Eukaryotic cells",
"leaf guard cells",
"rose petal cells"
] | A | a plant cell contains chloroplasts |
math_qa | mathqa_03_03262 | a number when divided by 20 leaves 6 as a remainder . what will be the remainder if the number is divided by 19 ? | [
"7",
"6",
"5",
"11"
] | A | let the minimum whole number be 20 + 6 = 26 where 6 is the remainder . 26 when divided by 19 then leaves 7 . correct answer a . |
ARC-Challenge | arc_04_02276 | A student is asked to make soil using the following substances: water, ore, humus, crystal, weathered rock, and metamorphic rock. Which combination of these substances should the student choose? | [
"humus, crystal, and ore",
"water, weathered rock, and humus",
"water, metamorphic rock, and crystal",
"metamorphic rock, ore, and weathered rock"
] | B | null |
ARC-Challenge | arc_04_02206 | What adaptation is necessary in intertidal ecosystems but not in reef ecosystems? | [
"the ability to live in salt water",
"the ability to use oxygen in respiration",
"the ability to cope with daily dry periods",
"the ability to blend into the surroundings"
] | C | null |
sciq | sciq_01_08977 | What atoms make up a water molecule? | [
"Sodium and Oxygen",
"hydrogen and oxygen",
"One Hydrogen",
"alumhg and oxygen"
] | B | Water is a compound that forms molecules. Each water molecule consists of two atoms of hydrogen (white) and one atom of oxygen (red). |
sciq | sciq_01_10766 | The anatomical arrangement of capillaries and alveoli emphasizes the structural and functional relationship of what systems? | [
"endocrine and renal",
"nervous and lymphatic",
"digestive and respiratory",
"respiratory and circulatory"
] | D | are attached to the end of each bronchiole. At the end of each duct are approximately 100 alveolar sacs, each containing 20 to 30 alveoli that are 200 to 300 microns in diameter. Gas exchange occurs only in alveoli. Alveoli are made of thin-walled parenchymal cells, typically one-cell thick, that look like tiny bubbles... |
openbookqa | obqa_02_01009 | Tungsten is a metal which is found in large amounts in filaments, which are used in incandescent light bulbs. These light bulbs work because | [
"light bulbs get very warm",
"filaments are able to freeze",
"the filament glows warmly",
"the filament catches fire"
] | C | an incandescent light bulb converts electricity into light by sending electricity through a filament |
math_qa | mathqa_03_00259 | a certain junior class has 1000 students and a certain senior class has 800 students . among these students , there are 60 siblings pairs each consisting of 1 junior and 1 senior . if 1 student is to be selected at random from each class , what is the probability that the 2 students selected will be a sibling pair ? | [
"3 / 40000",
"1 / 3600",
"9 / 2000",
"1 / 60"
] | A | "there are 60 siblings in junior class and 60 their pair siblings in the senior class . we want to determine probability of choosing one sibling from junior class and its pair from senior . what is the probability of choosing any sibling from junior class ? 60 / 1000 ( as there are 60 of them ) . what is the probabilit... |
sciq | sciq_01_02069 | The sweat glands of the armpit are classified as these? | [
"adrenal glands",
"apocrine glands",
"pineal glands",
"mucus glands"
] | B | Apocrine secretion accumulates near the apical portion of the cell. That portion of the cell and its secretory contents pinch off from the cell and are released. The sweat glands of the armpit are classified as apocrine glands. Both merocrine and apocrine glands continue to produce and secrete their contents with littl... |
sciq | sciq_01_05592 | Mammals generally lack a cloaca and have a separate opening for the what? | [
"tissues tract",
"urinary tract",
"digestive tract",
"physical tract"
] | C | |
sciq | sciq_01_01127 | Prostaglandins worsen what by increasing nociceptor sensitivity to noxious stimuli? | [
"reaction speed",
"pain",
"inflammation",
"recovery time"
] | B | |
sciq | sciq_01_04589 | The ions in ionic compounds are arranged in rigid three-dimensional patterns called what? | [
"lattice groups",
"pattern lattices",
"core lattices",
"crystal lattices"
] | D | The ions in ionic compounds are arranged in rigid three-dimensional patterns called crystal lattices. The crystal lattice that is formed is a characteristic property of a given compound. |
sciq | sciq_01_07267 | What types of incest behaviors are controlled by genes? | [
"byproduct behaviors like flying and mating",
"instinctive behaviors like flying and mating",
"physical behaviors like flying and mating",
"psychological behaviors like flying and mating"
] | B | Insects are capable of a surprising range of behaviors. Most of their behaviors, such as flying and mating, are instinctive. These are behaviors that don’t need to be learned. They are largely controlled by genes. However, some insect behaviors are learned. For example, ants and bees can learn where food is located and... |
sciq | sciq_01_04814 | What kind of solution might cause animal cells to burst? | [
"hypotonic",
"monatomic",
"eutrophic",
"Acid Solution"
] | A | Unless an animal cell (such as the red blood cell in the top panel) has an adaptation that allows it to alter the osmotic uptake of water, it will lose too much water and shrivel up in a hypertonic environment. If placed in a hypotonic solution, water molecules will enter the cell, causing it to swell and burst. Plant ... |
medmcqa | medmcqa_05_00934 | An ideal imaging method for diagnosing hydro-cephalus in an infant is: | [
"Plain X-ray",
"CT scan",
"Ultrasound",
"MRI"
] | C | Ans. Ultrasound |
sciq | sciq_01_09414 | What is the term for a close relationship between two species in which at least one species benefits. | [
"endosymbiosis",
"extosis",
"candiasis",
"symbiosis"
] | D | Symbiosis is a close relationship between two species in which at least one species benefits. Types of symbiosis include mutualism, parasitism, and commensalism. |
sciq | sciq_01_03395 | The cathode and anode collectively are the electrodes of what? | [
"switch cell",
"circuit cell",
"voltaic cell",
"photo cell"
] | C | One application of redox reactions requires that they be physically separated. Even though the two half reactions are physically separated, a spontaneous redox reaction still occurs. However, in this case, the electrons transfer through the wire connecting the two half reactions; that is, this setup becomes a source of... |
sciq | sciq_01_07496 | Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else? | [
"acids",
"hormones",
"proteins",
"hydrocarbons"
] | C | Acetyl-CoA is formed from the breakdown of carbohydrates, lipids, and proteins. It is used in many biochemical pathways. |
sciq | sciq_01_06063 | What type of weathering breaks rock into smaller pieces? | [
"fluid weathering",
"chemical erosion",
"mechanical weathering",
"chemical weathering"
] | C | Mechanical weathering breaks rock into smaller pieces. These smaller pieces are just like the bigger rock; they're just smaller! The rock has broken without changing its composition. The smaller pieces have the same minerals in the same proportions. You could use the expression “a chip off the old block“ to describe me... |
sciq | sciq_01_03460 | Parasitism, mutualism, and commensalism are all examples of what type of biological relationship? | [
"reproduction",
"symbiosis",
"adaptation",
"evolution"
] | B | |
sciq | sciq_01_11565 | The limit to how much solute will dissolve in a given amount of solvent is called what? | [
"density",
"potency",
"strength",
"solubility"
] | D | Solubility There is usually a limit to how much solute will dissolve in a given amount of solvent. This limit is called the solubility of the solute. Some solutes have a very small solubility, while other solutes are soluble in all proportions. Table 9.2 "Solubilities of Various Solutes in Water at 25°C (Except as Note... |
openbookqa | obqa_02_04158 | Water will become vapor quicker in | [
"Jupiter",
"Earth",
"Mercury",
"Neptune"
] | C | the sun causes water to evaporate more quickly by adding heat |
medmcqa | medmcqa_05_03551 | In a patient of head injuries with rapidly increasing intracranial tension without hematoma, the drug of choice for initial management would be : | [
"Furosemide",
"Steroids",
"20% Mannitol",
"Glycine"
] | C | Mannitol is an osmotic diuretic indicated for cerebral edema and glaucoma. It is contra-indicated
inactive bleeding in the brain. |
medmcqa | medmcqa_05_01934 | Tuberculides are seen in – | [
"Lupus vulgaris",
"Scrofuloderma",
"Lichen scrofulosorum",
"Erythema nodosum"
] | C | The definite (true) tuberculides are erythema induratuni (Bazin's disease), papulonecrotic tuberculid, Lichen scrofulosorum. |
math_qa | mathqa_03_00550 | john invests $ x at the semi - annual constant compounded rate of 2 percent and also does $ 8,000 at the quarterly constant compounded rate of 4 percent . if the interests are the same after 1 year , what is the value of x ? ? | [
"10000",
"12000",
"16160.8",
"14000"
] | C | "a = p ( 1 + r / n ) ^ nt a = total amount accrued p = principal deposited r = rate of interest in decimal form n = number of times per year , interest compounded t = time in number of years . . x ( 1 + 0.02 / 2 ) ^ 2 - x = 8,000 ( 1 + 0.04 / 4 ) ^ 4 - 8,000 [ when the principal is subtracted from the total amount accr... |
ARC-Challenge | arc_04_02596 | Which is the best explanation for how air masses move across the United States? | [
"The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream.",
"The trade winds move air masses from west to east across the United States.",
"The jet stream moves air masses from the Pacific Ocean across the United States.",
"The warm air of th... | A | null |
math_qa | mathqa_03_00529 | a retailer bought a machine at a wholesale price of $ 80 and later on sold it after a 20 % discount of the retail price . if the retailer made a profit equivalent to 20 % of the wholesale price , what is the retail price of the machine ? | [
"$ 80",
"$ 100",
"$ 120",
"135"
] | C | "the price after the discount was 1.2 * 80 = $ 96 let x be the retail price . 0.8 x = $ 96 x = 96 / 0.8 = $ 120 the answer is c ." |
openbookqa | obqa_02_04692 | What object would absorb the most solar energy? | [
"white paper",
"mirrors",
"coal",
"water"
] | C | if a substance absorbs solar energy then that substance will increase in temperature |
sciq | sciq_01_01320 | Volcanoes can be active, dormant, or what else? | [
"burgeoning",
"still",
"remnant",
"extinct"
] | D | Volcanoes can be active, dormant, or extinct. |
medmcqa | medmcqa_05_01066 | Orchidopex is done in cases of undescended testes at the age of - | [
"Neonate",
"1-2 yrs",
"5 yrs",
"Pubey"
] | B | Ans. is 'b' i.e., 1-2 years "Congental undescended testis should be treated surgically no later than 9-15 months. Surgical correction at 6 months is appropriate". - Nelson Crvptorchidism o An undescended testis (cryptorchid) is the most common disorder of sexual differentiation in boys. o At bih approximately 4-5% of b... |
sciq | sciq_01_00364 | What process is at work when warm air or water rises, and cool air or water sinks? | [
"convection",
"moisture",
"radiation",
"evaporation"
] | A | Warmer, lighter air is more buoyant than the cooler air above it. So the warm air rises. The cooler air is denser than the air beneath it. So it sinks down. This is convection: warm air rises, and cool air sinks. Warm fluids can undergo convection as well. This is described in the chapter Plate Tectonics . |
sciq | sciq_01_07218 | Living organisms are comprised of organic compounds, which are molecules built around what element? | [
"carbon",
"oxygen",
"silicon",
"helium"
] | A | Living organisms are comprised of organic compounds, molecules built around the element carbon. |
medmcqa | medmcqa_05_03069 | Which is not a branch of the anterior division of internal iliac artery - | [
"Inferior vesical",
"Internal pudendal",
"Ilio lumbar",
"Inferior gluteal"
] | C | Ans. is 'c' i.e., Iliolumbar o Branches of anterior division of internal iliac artery are : (i) Superior vesical, (ii) Middle rectal, (iii) Inferior vesical (in males), (iv) Internal pudendal, (v) Vaginal (in females), (vi) Uterine (in females), (vii) Obturator, and (viii) Inferior glutealo Branches of posterior divisi... |
sciq | sciq_01_03454 | Orbiting at a fairly typical 370 kilometers, the international space station is an example of what? | [
"manmade satellite",
"high orbit satellite",
"flagella satellite",
"alteration satellite"
] | A | We commonly talk about satellites orbiting Earth. But what does that really mean? When a satellite, space shuttle, or some other object is orbiting a planet, it maintains a circular orbit around the planet a constant distance off the surface. Manmade satellites typically orbit between 200 and 400 miles. For example, th... |
sciq | sciq_01_05806 | Which law describes the angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface? | [
"velocity",
"reflection",
"gravity",
"diffusion"
] | B | One thing is true of both regular and diffuse reflection. The angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface. This is known as the law of reflection . The law is illustrated in the Figure below and also in this animation: http://www. physicsclassr... |
sciq | sciq_01_09797 | What type of transport is vesicle transport considered to be? | [
"catalyst",
"passive transport",
"active transport",
"intercellular transport"
] | C | Some molecules, such as proteins, are too large to pass through the plasma membrane, regardless of their concentration inside and outside the cell. Very large molecules cross the plasma membrane with a different sort of help, called vesicle transport . Vesicle transport requires energy, so it is also a form of active t... |
openbookqa | obqa_02_01969 | A chemical reaction may occur when _____ is added to an object. | [
"interest",
"warmth",
"puppies",
"loss"
] | B | adding heat to an object sometimes causes chemical reactions |
sciq | sciq_01_10316 | What do animals require to grow and develop? | [
"carbon dioxide",
"sucrose",
"food",
"sunlight"
] | C | 15.1 | Features of the Animal Kingdom By the end of this section, you will be able to: • List the features that distinguish the animal kingdom from other kingdoms • Explain the processes of animal reproduction and embryonic development • Describe the hierarchy of basic animal classification • Compare and contrast the e... |
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