dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 4 758 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_07627 | What is the term for an antibody that inappropriately marks self-components as foreign? | [
"autoimmune antibody",
"compromised antibody",
"rogue antibody",
"autoantibody"
] | D | Try your hand at diagnosing an allergic reaction by selecting one of the interactive case studies (http://openstaxcollege. org/l/world_allergy) at the World Allergy Organization website. Autoimmunity Autoimmunity is a type of hypersensitivity to self-antigens that affects approximately five percent of the population. M... |
sciq | sciq_01_07139 | What is a relationship between organisms that strive for the same resources in the same place? | [
"symbiotic",
"competition",
"antagonistic",
"parasitic"
] | B | Competition is a relationship between organisms that strive for the same resources in the same place. The resources might be food, water, or space. There are two different types of competition:. |
medmcqa | medmcqa_05_00873 | Carcinoid tumor is diagnosed by. | [
"Urinary 5 HIAA",
"Chromogranin A",
"Neuron specific enolase",
"Urinary 5 Hydroxy tryphtophan"
] | A | Ans. (a) Urinary 5HIAARef: Bailey 27th edition, Page 1251* Most common used investigation to diagnose carcinoid tumor is 24 hours urinary 5HIAA* IOC to localize the tumor is DOTATATE scan |
medmcqa | medmcqa_05_00980 | A 52-year-old, nonsmoking man complains of pain and paresthesias in his right hand, paicularly at night. Examination reveals a diminished radial pulse when he abducts his arm when his head is turned to either side. A bruit is audible over the upper right anterior chest. His neurologic examination is unremarkable. You s... | [
"A Pancoast tumor",
"A cervical rib",
"Cervical disc disease",
"Subclan steal syndrome"
] | B | The patient has a thoracic outlet syndrome (TOS), which is an abnormal compression of the aeries, veins, or nerves in the neck. TOS is more common in adults than in children, and may occur in either sex. The compression may be caused by a cervical rib, the scalenus anticus muscle, or positional changes. The diagnosis i... |
medmcqa | medmcqa_05_02875 | Indications for use of cyclophosphamide in SLE is | [
"Ahritis",
"Anti DNA antibody + ive patients",
"Diffuse prolifereative glomerulonephritis",
"Oral ulcers"
] | C | Cytotoxic therapy is a cornerstone for patients with severe systemic lupus erythematosus (SLE). High-dose cyclophosphamide, 200 mg/kg, can induce a complete remission without the need for stem cell rescue in patients with autoimmune illnesses.High dose cyclophosphamide is a therapy capable of decreasing disease severit... |
ARC-Easy | arc_04_00386 | Why would explorers use a compass when traveling to unknown lands? | [
"to locate a direction to travel",
"to measure the quality of drinking water",
"to protect themselves from wild animals",
"to determine levels of humanity in tropical areas"
] | A | null |
sciq | sciq_01_03714 | What part of the plant is the main site of photosynthesis? | [
"root",
"leaf",
"soil",
"stem"
] | B | 30.4 Leaves Leaves are the main site of photosynthesis. A typical leaf consists of a lamina (the broad part of the leaf, also called the blade) and a petiole (the stalk that attaches the leaf to a stem). The arrangement of leaves on a stem, known as phyllotaxy, enables maximum exposure to sunlight. Each plant species h... |
sciq | sciq_01_01427 | When fuel is burned, most of the energy is released in what form? | [
"humidity",
"heat",
"precipitation",
"carbon dioxide"
] | B | When fuel is burned, most of the energy is released as heat. Some of this heat can be used to do work. Heat cooks food or warms your house. Sometimes the heat is just waste heat. It still heats the environment, though. |
ARC-Easy | arc_04_01215 | Which type of organism would most likely benefit directly from increased levels of CO_{2}? | [
"fish",
"bird",
"tree",
"mushroom"
] | C | null |
medmcqa | medmcqa_05_04319 | The longest extraocular muscle is: | [
"Superior oblique",
"Inferior oblique",
"Superior rectus",
"Inferior rectus"
] | A | Ans. Superior oblique |
medmcqa | medmcqa_05_03936 | Cause of malignant hypehermia is? | [
"Halothane",
"Isoflurane",
"Thiopentone",
"Suxamethonium"
] | D | Ans. is 'd > b' i.e., Suxamethonium > Isoflurane Drugs causing Malignant hvpehermia (MH) Succinylcholine Enflurane Methoxyflurane Phenothiazines Halothane Sevoflurane MAO inhibitors Lignocaine Isoflurane Desflurane TCA Succinylcholine is the most common cause of MH. Amongst anaesthetics, halothane is most common cause.... |
math_qa | mathqa_03_02915 | tom purchased 8 kg of apples at the rate of 70 per kg and 9 kg of mangoes at the rate of 65 per kg . how much amount did he pay to the shopkeeper ? | [
"a",
"b",
"c",
"d"
] | B | "cost of 8 kg apples = 70 × 8 = 560 . cost of 9 kg of mangoes = 65 × 9 = 585 . total cost he has to pay = 560 + 585 = 1145 . b )" |
sciq | sciq_01_00676 | A desmosome is a cell structure that anchors the ends of what fibers together? | [
"smooth muscle",
"controllable muscle",
"cardiac muscle",
"skeletal muscle"
] | C | 30.5 Applications of Atomic Excitations and De-Excitations 30. Figure 30.39 shows the energy-level diagram for neon. (a) Verify that the energy of the photon emitted when neon goes from its metastable state to the one immediately below is equal to 1.96 eV. (b) Show that the wavelength of this radiation is 633 nm. (c) W... |
sciq | sciq_01_00635 | What is polyisoprene better known as? | [
"silicon",
"rayon",
"styrofoam",
"rubber"
] | D | Polyisoprene is a polymer of isoprene and is better known as rubber. It is produced naturally by rubber trees, but several variants have been developed which demonstrate improvements on the properties of natural rubber. |
sciq | sciq_01_02898 | What are named for major physical or climatic features and for their predominant vegetation? | [
"geological formations",
"terrestrial biomes",
"terrestrial substrates",
"celestial bodies"
] | B | |
ARC-Easy | arc_04_01222 | Which technological advancement has done the most to improve the accuracy of weather predictions? | [
"barometer",
"weather balloons",
"anemometer",
"satellites"
] | D | null |
medmcqa | medmcqa_05_01864 | Mucin is stained with: | [
"PAS",
"Alcian blue",
"Oil red O",
"Sudan black"
] | B | Ans: b (Alcian blue) Ref: Harsh mohan, 4th ed,p. 26Mucin is a glycoprotein produced by the epithelial cells of mucous membrane and mucous glands as well as by some connective tissue like in the umbilical cord.Stains:Epithelial mucin stains positive with- PASConnective tissue mucin with- Colloidal ironBut both are stain... |
openbookqa | obqa_02_00867 | Things that are shiny can reflect light, so all of these will aside from | [
"dog tag",
"ring",
"outlet",
"confetti"
] | C | shiny things reflect light |
openbookqa | obqa_02_02258 | If I yell out to a co worker which occupation would have a scenario where it is impossible to respond for scientific reasons? | [
"astronaut",
"lumberjack",
"fisherman",
"miner"
] | A | molecules vibrating can cause sound |
sciq | sciq_01_01701 | What is the tubular passageway through which the embryo or fetus leaves the mother’s body during birth? | [
"vagina",
"penis",
"cervix",
"uterus"
] | A | The vagina is a tubular passageway through which the embryo or fetus leaves the mother’s body during birth. The vagina is also where the male deposits sperm during mating. |
sciq | sciq_01_00734 | What term means opposition to the flow of electric charges that occurs when electric current travels through matter? | [
"antagonism",
"polarity",
"diffusion",
"resistance"
] | D | Resistance is opposition to the flow of electric charges that occurs when electric current travels through matter. The SI unit of resistance is the ohm (named for the scientist Georg Ohm, whom you can read about below). Resistance is caused by electrons in a current bumping into electrons and ions in the matter through... |
sciq | sciq_01_06095 | What does burning wood release into the atmosphere? | [
"carbon dioxide",
"oxygen",
"hydrogen chloride",
"helium"
] | A | Forests are also being destroyed. Trees may be cut down for their wood, or they may be burned to clear the land for farming. Burning wood releases more carbon dioxide into the atmosphere. You can see how a tropical rainforest was cleared for farming in Figure below . With forests shrinking, there are fewer trees to rem... |
sciq | sciq_01_06430 | What type of animal are most reptiles in regards to diet? | [
"carnivores",
"omnivores",
"herbivores",
"arthropods"
] | A | Most reptiles are carnivores, and large reptiles are the top predators in their ecosystems. |
math_qa | mathqa_03_01166 | if 22 lines are drawn in a plane such that no two of them are parallel and no three are concurrent , then in how many points do they intersect ? | [
"125",
"187",
"231",
"375"
] | C | "if two lines are not parallel , then they will intersect in exactly one point . lines can be extended infinitely on both ends so somewhere they will intersect with each other if they are not parallel . we are also given that no three lines are concurrent . this means that no three lines intersect at the same point . s... |
medmcqa | medmcqa_05_02693 | A 25 year old man presented with fever, cough, expectoration and breathlessness of 2 months duration. Contrast enhanced computed tomography of the chest showed bilateral upper lobe fibrotic lesions and mediastinum had enlarged necrotic nodes with peripheral rim enhancement. Which one of the following is the most probab... | [
"Sarcoidosis",
"Tuberculosis",
"Lymphoma",
"Silicosis"
] | B | Answer is B (Tuberculosis) : Most common cause of necrotic lymph nodes with peripheral rim enhancement is tuberculosis. Peripheral rim enhancement is seen in most granulomatous lymphadenopathies. Most common cause of necrotic lymph nodes with peripheral rim enhancement is Tuberculosis - In tuberculosis affected lymph n... |
sciq | sciq_01_09991 | What is added to alcohol and used as an antiseptic? | [
"chloride",
"chlorine",
"arsenic",
"iodine"
] | D | Iodine is added to alcohol and used as an antiseptic. It reacts with germs on cuts and wounds. Small amounts of iodine are also needed for good health. In the U. S. , iodine is added to table salt to prevent iodine deficiencies. Does the salt you use contain iodine?. |
ARC-Easy | arc_04_00812 | A researcher observes that an organism placed in a glass container filled with water moves away when a penlight is focused on the container. The researcher concludes that the organism is light sensitive. Which other explanation for the organism's response to the light is most possible? | [
"The organism avoids radio waves.",
"The organism avoids gamma rays.",
"The organism moves away from vibrations.",
"The organism moves away from heat sources."
] | D | null |
sciq | sciq_01_02123 | Earth goes through regular changes in its position relative to? | [
"saturn",
"mars",
"the moon",
"the sun"
] | D | Earth goes through regular changes in its position relative to the Sun. Its orbit changes slightly. Earth also wobbles on its axis of rotation. The planet also changes the tilt on its axis. These changes can affect Earth’s temperature. |
medmcqa | medmcqa_05_00913 | The most common causative agent of meningitis in the age group of 6 months -3 year amongst the following is | [
"Streptococcus agalactiae",
"H. influenzae",
"Staphylococcus",
"N. gonorrhoeae"
] | A | The most common meningitis occurs In case of 6 months to 3 yr old children is haemophilus influenza. Reference: GHAI Essential pediatrics, 8th edition |
sciq | sciq_01_03923 | What are 3 types of light? | [
"diffuse, ambient, opaque",
"complementary, incandescent, fluorescent",
"infrared, visible, ultraviolet",
"solar , visible , ultraviolet"
] | C | Electromagnetic waves that are commonly called light fall roughly in the middle of the electromagnetic spectrum. Light includes infrared light, visible light, and ultraviolet light. |
openbookqa | obqa_02_02997 | Which would likely render a habitat dead? | [
"planting new trees",
"a light drizzle",
"a human camping",
"an apartment complex"
] | D | if a habitat is destroyed then that habitat can not support animals |
ARC-Easy | arc_04_01862 | In order for boulders to become sediments, the boulders must first be | [
"heated and melted.",
"weathered and eroded.",
"recrystallized.",
"buried."
] | B | null |
sciq | sciq_01_00969 | Which part of all mammals have the same basic bone structure? | [
"knees",
"ankles",
"necks",
"forelimbs"
] | D | The forelimbs of all mammals have the same basic bone structure. |
ARC-Easy | arc_04_01606 | Which most accurately describes a circle (pie) graph? | [
"used to demonstrate change in temperature only",
"used to demonstrate change that is continuous",
"used to demonstrate change that is not continuous",
"used to describe how part of the data relates to all of the data"
] | D | null |
ARC-Easy | arc_04_02102 | Which is the first step in a design process? | [
"Revise the solution.",
"Describe the problem.",
"Test the possible solutions.",
"Identify possible solutions."
] | B | null |
sciq | sciq_01_10801 | In which organs does gas exchange take place between blood and air? | [
"liver and spleen",
"esophagus and larynx",
"kidneys",
"lungs"
] | D | Respiration begins with ventilation . This is the process of moving air in and out of the lungs. The lungs are the organs in which gas exchange takes place between blood and air. |
openbookqa | obqa_02_03004 | Which of the following could harbor unsafe bacteria? | [
"hand sanitizer",
"unwashed greens",
"properly cooked beef",
"washed carrots"
] | B | bacteria can cause people to become ill |
medmcqa | medmcqa_05_04390 | What constitutes malpighian layer | [
"Stratum lucidum",
"Stratum spinosum",
"Stratum granulosum",
"Stratum spinosum and basale"
] | D | Stratum basale + stratum spinosum = malphigian layer Layers of the epidermis : Stratum basale: Deepest layer. Single layer of columnar cells on the basal lamina aka germinal layer - produces Keratinocytes Stratum spinosum: Several layers of polygonal keratinocytes attached to one another by desmosomes (responsibly for ... |
medmcqa | medmcqa_05_00804 | In tuberculosis in an AIDS patient the chest X-ray looks like: | [
"Miliary shadow",
"Cavity",
"Consolidation",
"Collapse"
] | A | Ans. Miliary shadow |
openbookqa | obqa_02_04016 | Skittles left in snow become | [
"hot",
"mushy",
"hard",
"soft"
] | C | something in a cold place becomes cold |
sciq | sciq_01_04714 | Acne and different types of cancer can affect what large organ? | [
"skin",
"lungs",
"brain",
"liver"
] | A | Common skin problems include acne and skin cancer. |
sciq | sciq_01_04351 | What is another term for the parabolic motion of a thrown object? | [
"projectile motion",
"regular motion",
"simple motion",
"newtonian motion"
] | A | In this chapter, we aim to understand and explain the parabolic motion of a thrown object, known as projectile motion. Motion in one direction is unrelated to motion in other perpendicular directions. Once the object has been thrown, the only acceleration is in the (up/down) direction. The (right/left) direction veloci... |
math_qa | mathqa_03_03726 | jack and jill work at a hospital with 5 other workers . for an internal review , 2 of the 7 workers will be randomly chosen to be interviewed . what is the probability that jack and jill will both be chosen ? | [
"1 / 3",
"1 / 4",
"1 / 21",
"3 / 8"
] | C | "1 / 7 c 2 = 1 / 21 . answer : c ." |
math_qa | mathqa_03_04606 | in a group of people , if 30 people were made to stand in each column , 16 columns could be formed . if 32 people were made to stand in a column , how many columns could be formed ? | [
"15",
"20",
"25",
"30"
] | A | "16 * 30 = 32 * n n = 15 the answer is a ." |
ARC-Challenge | arc_04_03010 | Which of the following factors would most likely cause a hurricane to decrease in strength? | [
"staying over a warm body of water for a long time.",
"increasing the number of large clouds.",
"moving over a continent.",
"moving toward tropical waters."
] | C | null |
sciq | sciq_01_08416 | What occurs when two wave crests overlap? | [
"constructive dissonance",
"constructive interference",
"forth interference",
"constructive overlap"
] | B | Constructive interference occurs when two wave crests overlap, doubling the wave amplitude at that location. |
sciq | sciq_01_04332 | What do earth and the other planets in the solar system make around the sun? | [
"smooth orbits",
"elliptical orbits",
"radial orbits",
"elevated orbits"
] | B | Earth and the other planets in the solar system make elliptical orbits around the Sun. The ellipses in this image are highly exaggerated. |
sciq | sciq_01_08013 | What is a form of mechanical energy that starts with a vibration in matter? | [
"electrical energy",
"industrial energy",
"solar energy",
"sound energy"
] | D | 6. Sound energy is a form of mechanical energy that starts with a vibration in matter. For example, the singer’s voice starts with vibrations of his vocal cords, which are folds of tissue in his throat. The vibrations pass to surrounding particles of matter and then from one particle to another in waves. Sound waves ca... |
math_qa | mathqa_03_04745 | ravi and sunil are partners in a business . ravi invests rs . 18,000 for 8 months and sunil invested rs . 10000 for 10 months then after one year ratio of their profits will be | [
"1 : 3",
"36 : 25",
"3 : 2",
"4 : 5"
] | B | "= ( 18000 * 8 ) : ( 10000 * 10 ) = 144000 : 100000 = 36 : 25 answer : b" |
sciq | sciq_01_07714 | Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what? | [
"springs",
"tiny bubbles",
"bellows",
"filters"
] | B | Figure 11.31 Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. The alveoli act like tiny bubbles. The surface tension of their mucous lining aids in exhalation and can prevent inhalation if too great. |
openbookqa | obqa_02_04543 | Glasses help you | [
"fry ants",
"pay for crimes",
"remedy eyesight issues",
"observe Uranus"
] | C | seeing is used for sensing visual things |
openbookqa | obqa_02_04132 | A source of heat could be | [
"a cold soda",
"an ice cube",
"a mini flashlight",
"snow"
] | C | a radiator is a source of heat |
math_qa | mathqa_03_03675 | 20 is added to a certain number , the sum is multiplied by 2 , the product is divided by 2 and 2 is subtracted from the quotient . the remainder left is half of 88 . what is the number ? | [
"21",
"20",
"26",
"30"
] | C | "let number is x . when 20 added to it , = ( x + 20 ) 2 multiplied to sum , = 2 * ( x + 20 ) now , = [ { 2 * ( x + 20 ) } / 2 ] and , = [ { 2 * ( x + 20 ) } / 2 ] - 2 according to question , [ { 2 * ( x + 20 ) } / 2 ] - 2 = half of 88 [ ( 2 x + 40 ) / 2 ) = 44 + 2 2 x + 40 = 46 * 2 x + 20 = 46 x = 46 - 20 x = 26 so , r... |
math_qa | mathqa_03_04714 | if 13 = 13 w / ( 1 - w ) , then ( 5 w ) 2 = | [
"1 / 4",
"5",
"1",
"2"
] | B | "13 - 13 w = 13 w 26 w = 13 w = 1 / 2 5 w = 5 / 2 5 w * 2 = 5 / 2 * 2 = 5 answer : b" |
sciq | sciq_01_09670 | Why is gingko biloba planted in public spaces? | [
"self-pollinating",
"for xeriscaping",
"self-containing",
"resistant to pollution"
] | D | Gingkophytes The single surviving species of the gingkophytes group is the Gingko biloba (Figure 26.11). Its fan-shaped leaves—unique among seed plants because they feature a dichotomous venation pattern—turn yellow in autumn and fall from the tree. For centuries, G. biloba was cultivated by Chinese Buddhist monks in m... |
sciq | sciq_01_08144 | What is another term for dry ice? | [
"liquid nitrogen",
"ice crystals",
"carbonated ice",
"solid carbon dioxide"
] | D | Solid carbon dioxide is also called dry ice. That’s because when it gets warmer and changes state, it doesn’t change to a liquid by melting. Instead, it changes directly to a gas without going through the liquid state. The process in which a solid changes directly to a gas is called sublimation . It occurs when energy ... |
sciq | sciq_01_06426 | Magnetite crystals in lava typically point to what geographic location? | [
"geographic north pole",
"magnetic south pole",
"magnetic north pole",
"the equator"
] | C | Magnetite crystals in the lava point in the direction of the magnetic north pole. The different stripes of magnetic polarity reveal the different ages of the seafloor. |
sciq | sciq_01_00444 | What is the term for species evolving together? | [
"conjuration",
"coevolution",
"interconnection",
"specmutation"
] | B | Coevolution occurs when species evolve together. This often happens in species that have symbiotic relationships. Examples include flowering plants and their pollinators. |
openbookqa | obqa_02_04375 | If you missed the rising moon today you will have to wait till when to see it again | [
"30 years",
"10 months",
"10 minutes",
"24 hours"
] | D | the moon rising occurs once per day |
sciq | sciq_01_09487 | If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way? | [
"they get bigger",
"they pop",
"they get smaller",
"they multiply"
] | A | Gas bubbles get bigger when they are under less pressure. |
sciq | sciq_01_03810 | Brown algae are important commodities for what? | [
"reptiles",
"humans",
"parasites",
"fish"
] | B | |
ARC-Easy | arc_04_01426 | Increased populations can lead to the depletion of locally available resources. Compared to other communities, which of these locally available resources is most likely to be depleted in desert communities? | [
"mineral",
"oxygen",
"gasoline",
"water"
] | D | null |
math_qa | mathqa_03_03333 | a train covers a distance of 14 km in 10 min . if it takes 6 sec to pass a telegraph post , then the length of the train is ? | [
"m",
"m",
"m",
"m"
] | C | "speed = ( 14 / 10 * 60 ) km / hr = ( 84 * 5 / 18 ) m / sec = 70 / 3 m / sec . length of the train = 70 / 3 * 6 = 140 m . answer : c" |
medmcqa | medmcqa_05_01194 | According to the transplantation of Human organs act 1994, the provision for the punishment of imprisonment for an erring doctor is: | [
"Less than 1 year",
"Less than 2 years",
"2 to 5 years",
"More than 5 years"
] | D | Ans- D Ref- The Transplantation of Human Organs Act, 1994 The Transplantation of Human Organs Act, 1994 was enacted by the Parliament during 1994 and came into force on February 4, 1995 in the States of Goa, Himachal Pradesh and Maharashtra and all the Union Territories. Thereafter it was adopted by all States except t... |
openbookqa | obqa_02_03291 | What requires nutrients to grow and gets nutrients with use of beak apparatus? | [
"dirt",
"birds",
"computers",
"metals"
] | B | a beak is used for catching prey by some birds |
ARC-Challenge | arc_04_02708 | All of the following are part of an animal life cycle except | [
"growth.",
"fertilization.",
"binary fission.",
"gamete development."
] | C | null |
medmcqa | medmcqa_05_04008 | Marker of chronic inflammation is? | [
"IL-1, IL-6",
"IL-1, TNF",
"IL-6, TNF",
"IL-12, IFN-g"
] | D | Interleukin 12 and Interferon-gamma are the major markers of chronic inflammation. REF:Textbook of microbiology, Ananthanarayan, and Paniker. |
openbookqa | obqa_02_03035 | If an instrument is played, this may occur | [
"something is ignored",
"something is spit",
"something is flicked",
"something is killed"
] | C | An example of playing a musical instrument is hitting the keys of a piano |
math_qa | mathqa_03_00608 | a , b and c can do a work in 90 , 45 and 6 days respectively . if they work together , in how many days will they complete the work ? | [
"5",
"6",
"7",
"8"
] | A | one days ' s work of a , b and c = 1 / 90 + 1 / 45 + 1 / 6 = ( 1 + 2 + 15 ) / 90 = 1 / 5 a , b and c together can do the work in 5 days . answer : a |
math_qa | mathqa_03_03488 | there were totally 100 men . 82 are married . 75 have t . v , 85 have radio , 70 have a . c . how many men have t . v , radio , a . c and also married ? | [
"11",
"12",
"13",
"14"
] | B | "100 - ( 100 - 82 ) - ( 100 - 75 ) - ( 100 - 85 ) - ( 100 - 70 ) = 100 - 18 - 25 - 15 - 30 = 100 - 88 = 12 answer : b" |
ARC-Challenge | arc_04_02713 | To conserve the supply of nonrenewable resources, it is best to recycle | [
"newspapers.",
"phonebooks.",
"paper towels.",
"soda cans."
] | D | null |
ARC-Easy | arc_04_01398 | Which of these elements is likely to be found in an organic compound? | [
"helium",
"hydrogen",
"mercury",
"tin"
] | B | null |
math_qa | mathqa_03_03181 | the front wheels of a wagon are 2 π feet in circumference and the rear wheels are 3 π feet in circumference . when the front wheels have made 10 more revolutions than the rear wheels , how many feet has the wagon travelled ? | [
"30 π",
"45 π",
"60 π",
"90 π"
] | C | solution let the rear wheel make x revolutions . then , the front wheel makes ( x + 10 ) revolutions . ( x + 10 ) x 3 π = x × 2 π ‹ = › 3 x + 30 = 2 x ‹ = › x = 30 . distance travelled by the wagon = ( 2 π x 30 ) ft ‹ = › ( 60 π ) ft . answer c |
medmcqa | medmcqa_05_02590 | Lymphatic follicles are not seen in:- | [
"Spleen",
"Lymph node",
"Thymus",
"Tonsil"
] | C | Lymph nodes: - Thymus: -thymus is a lobulated structure - It doesn't have any lymphatic follicles. - Thymus receives stem cells from the bone marrow, & it will train these stem cells as T - lymphocytes to mount cell mediated immunity. |
sciq | sciq_01_03585 | What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause? | [
"extinction effect",
"bottleneck effect",
"convergence effect",
"limitation effect"
] | B | Bottleneck effect occurs when a population suddenly gets much smaller. This might happen because of a natural disaster such as a forest fire. By chance, allele frequencies of the survivors may be different from those of the original population. |
openbookqa | obqa_02_04174 | Which causes the electric fan to work? | [
"the blades run themselves",
"power outlets allow the blades to rotate",
"the air pushes the fan",
"power outlets allow the fan to think"
] | B | the vanes rotating in an electric fan causes air to move |
ARC-Challenge | arc_04_02146 | Which statement best compares single-celled and multi-celled organisms? | [
"Tissues in a single-celled organism are like the cells in a multi-celled organism.",
"The nucleus in a single-celled organism is like the skin of a multi-celled organism.",
"Organelles in a single-celled organism are like the organs in a multi-celled organism.",
"The cytoplasm in a single-celled organism is ... | C | null |
sciq | sciq_01_11609 | What is the unit used to measure air pressure? | [
"millibar",
"pounds per inch",
"newtons",
"mass"
] | A | The weather map pictured below ( Figure above ) shows air pressure. The lines on the map connect places that have the same air pressure. Air pressure is measured in a unit called the millibar. Isobars are the lines that connect the points with the same air pressure. The map also shows low- and high-pressure centers and... |
sciq | sciq_01_01581 | Structures like the human tail bone and whale pelvis are called what? | [
"primordial structures",
"vestigial structures",
"parasitic structures",
"adaptations"
] | B | Structures like the human tail bone and whale pelvis are called vestigial structures . Evolution has reduced their size because the structures are no longer used. The human appendix is another example of a vestigial structure. It is a tiny remnant of a once-larger organ. In a distant ancestor, it was needed to digest f... |
sciq | sciq_01_04906 | A, t, g, and c pairs are associated with what substance that is important in genetics? | [
"blood",
"bacteria",
"dna",
"plasma"
] | C | Only certain types of base pairing are allowed. For example, a certain purine can only pair with a certain pyrimidine. This means A can pair with T, and G can pair with C, as shown in Figure 3.33. This is known as the base complementary rule. In other words, the DNA strands are complementary to each other. If the seque... |
sciq | sciq_01_03159 | Are zeroes that show only where the decimal point fall significant or not significant? | [
"sometimes significant",
"neither",
"significant",
"not significant"
] | D | Zeros that show only where the decimal point falls are not significant. For example, the number 470,000 has just two significant figures (4 and 7). The zeros just show that the 4 represents hundreds of thousands and the 7 represents tens of thousands. Therefore, these zeros are not significant. |
sciq | sciq_01_05973 | With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what? | [
"symbiotes",
"predators",
"omnivores",
"carnivores"
] | D | All crocodilians are carnivores. They feed on live animals such as birds, small mammals and fish. Crocodilians use several methods of attack when pursuing live prey. One approach is that of the ambush. The crocodilian lies motionless beneath the water's surface with only their nostrils above the water line. This keeps ... |
sciq | sciq_01_11463 | What term describes the number and kinds of species in a location or on the planet? | [
"habitat",
"Allopatric speciation",
"ecosystem",
"biodiversity"
] | D | Types of Biodiversity Scientists generally accept that the term biodiversity describes the number and kinds of species in a location or on the planet. Species can be difficult to define, but most biologists still feel comfortable with the concept and are able to identify and count eukaryotic species in most contexts. B... |
sciq | sciq_01_01230 | What will happen if the gas particles inside an inflated balloon suddenly stop moving? | [
"balloon inflates",
"balloon falls",
"balloon deflates",
"balloon bursts"
] | C | Gas molecules also exert pressure. Earth’s atmosphere exerts pressure because gravity acts on the huge number of gas particles contained in the atmosphere, holding it in place. Pressure is also exerted by a small sample of gas, such as that which is contained in a balloon. Gas pressure is the pressure that results from... |
ARC-Easy | arc_04_01638 | Sleet, rain, snow, and hail are forms of | [
"erosion",
"evaporation",
"groundwater",
"precipitation"
] | D | null |
sciq | sciq_01_08031 | Teeth in the back of the mouth are used for what? | [
"grinding food",
"cutting food",
"swallowing food",
"tearing food"
] | A | The mouth also begins the process of mechanical digestion. Sharp teeth in the front of the mouth cut or tear food when you bite into it (see Figure below ). Broad teeth in the back of the mouth grind food when you chew. Food is easier to chew because it is moistened by saliva from the salivary glands. The tongue helps ... |
ARC-Easy | arc_04_00220 | The periodic table of the elements is systematically organized according to the | [
"rate at which the elements chemically react.",
"hardness of the elements.",
"structure of the atoms of the elements.",
"radioactivity of the atoms of the elements."
] | C | null |
sciq | sciq_01_11110 | Radioactive isotopes are characterized by an unstable what? | [
"electrons",
"proton",
"shell",
"nuclei"
] | D | You may have seen this sign before—maybe in a hospital. The sign means there is danger of radiation in the area. Radiation consists of particles and energy that are given off by radioactive isotopes, which have unstable nuclei. But you don’t have to go to a hospital to be exposed to radiation. There is radiation in the... |
medmcqa | medmcqa_05_02969 | Which anti-epileptic is not contraindicated during pregnancy? | [
"Ethosuxmide",
"Carbamazepine",
"Phenytoin",
"Valproate"
] | B | Carbamazepine REF: The treatment of epilepsy Simon D. Shorvon - Page 279 "Carbamazepine is the antiepileptic of choice during pregnancy" The latest data from Jentink et al (BMJ 2010;341:c6581) are drawn from the EUROCAT Antiepileptic Study Database and show that carbamazapine was associated with a raised incidence of s... |
openbookqa | obqa_02_03964 | Imagine astronauts traveling to a distant asteroid as it passes near Earth. During their mission they leave behind boot prints. How long will these potentially last? | [
"several months",
"5 years",
"thousands of years",
"2 weeks"
] | C | wind and rain cause erosion |
openbookqa | obqa_02_00335 | a lighter object hue can lead to what? | [
"none of these",
"positive charge in electricity",
"a bad electric conduction",
"ability to see yourself in it better"
] | D | as lightness in color of an object increases , the ability of that object to reflect light will increase |
sciq | sciq_01_03697 | Banging on a drum is an example of which type of energy? | [
"solar.",
"mechanical",
"potential",
"molecular"
] | B | |
ARC-Easy | arc_04_01613 | Oscar and Andre used a microscope to observe a sample of pond water and drew an example of each type of organism they saw. Then they compared their drawings. They discovered that their drawings of a euglena and a paramecium were alike, but their amoeba drawings had very different shapes. What are two things that Oscar'... | [
"eating and moving",
"moving and digesting",
"digesting and excreting",
"excreting and eating"
] | A | null |
sciq | sciq_01_09125 | The value that occurs most often in a data set is called the? | [
"mean",
"type",
"mode",
"median"
] | C | The mode is the most common value. It is the value that occurs most often. |
openbookqa | obqa_02_00561 | If a forest that is home to animals is cut down | [
"then the animals' homes are demolished",
"then the animals will just rebuild",
"then the animals will adapt",
"then the animals all die"
] | A | if a habitat is removed then that habitat is destroyed |
sciq | sciq_01_07214 | Are humans a new or old species on the earth? | [
"primal",
"new",
"extinct",
"old"
] | B | This timeline shows the history of life on Earth. In the entire span of the time, humans are a relatively new addition. |
ARC-Easy | arc_04_00998 | An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult? | [
"the size of each body cell",
"the number of cells in its body",
"the amount of energy in its cells",
"the collection of water in each cell"
] | B | null |
sciq | sciq_01_11141 | What must be present on a plant where ladybugs will lay their eggs? | [
"mites",
"butterflies",
"aphids",
"dew drops"
] | C | Ladybugs, also known as ladybird beetles, have a life cycle of four to six weeks. In one year as many as six generations of ladybird beetles may hatch. In the spring, each adult female lays up to 300 eggs in small clusters on plants where aphids are present. After a week the wingless larvae hatch. Both the ladybird bee... |
sciq | sciq_01_11645 | What scientist created the modern system for classifying organisms? | [
"Newton",
"Bohr",
"linnaeus",
"Pasteur"
] | C | Linnaeus published his classification system in the 1700s. Since then, many new species have been discovered. The biochemistry of many organisms has also become known. Eventually, scientists realized that Linnaeus’s system of classification needed revision. |
math_qa | mathqa_03_00093 | a and b start a business , with a investing the total capital of rs . 50000 , on the condition that b pays a interest @ 10 % per annum on his half of the capital . a is a working partner and receives rs . 1500 per month from the total profit and any profit remaining is equally shared by both of them . at the end of the... | [
"59028",
"27777",
"29999",
"59000"
] | D | "interest received by a from b = 10 % of half of rs . 50000 = 10 % * 25000 = 2500 . amount received by a per annum for being a working partner = 1500 * 12 = rs . 18000 . let ' p ' be the part of the remaining profit that a receives as his share . total income of a = ( 2500 + 18000 + p ) total income of b = only his sha... |
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