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_00111 | How many different amino acids make up proteins. | [
"30",
"25",
"20",
"14"
] | C | There are 20 amino acids that make up proteins. With three bases per codon, there are 64 possible codons. This is more than enough to code for the 20 amino acids plus start and stop signals. You can see how to translate the genetic code in Figure below . Start at the center of the chart for the first base of each three... |
sciq | sciq_01_00358 | All animals that derive energy from food are classified as what? | [
"heterotrophs",
"lifeforms",
"paleotrophs",
"heliotrophs"
] | A | Figure 15.2 All animals that derive energy from food are heterotrophs. The (a) black bear is an omnivore, eating both plants and animals. The (b) heartworm Dirofilaria immitis is a parasite that derives energy from its hosts. It spends its larval stage in mosquitos and its adult stage infesting the hearts of dogs and o... |
sciq | sciq_01_02585 | What are the proteins called that speed up biochemical reactions in cells? | [
"enzymes",
"peptides",
"carbohydrates",
"hormones"
] | A | Enzymes are proteins that speed up biochemical reactions in cells. Antibodies are proteins that target pathogens for destruction. |
sciq | sciq_01_09539 | Gram-negative bacteria have a cell wall made of peptidoglycan, whereas gram-positive bacteria have a cell wall made of what? | [
"hydrolic acid",
"lipoteichoic acid",
"solmization acid",
"choanocyte acid"
] | B | Gram-negative bacteria have a cell wall made of peptidoglycan, whereas Gram-positive bacteria have a cell wall made of lipoteichoic acid. Figure 22.19 Which of the following statements about the nitrogen cycle is false? a. Nitrogen fixing bacteria exist on the root nodules of legumes and in the soil. Denitrifying bacte... |
math_qa | mathqa_03_02965 | ? % of 360 = 115.2 | [
"277",
"36",
"64",
"32"
] | D | ? % of 360 = 115.2 or , ? = 115.2 × 100 / 360 = 32 answer d |
sciq | sciq_01_10023 | Meiosis and what process are both preceded by one round of dna replication; however, they differ in producing haploid or diploid daughter cells? | [
"photosynthesis",
"fertilization",
"mitosis",
"cloning"
] | C | Figure 7.6 Meiosis and mitosis are both preceded by one round of DNA replication; however, meiosis includes two nuclear divisions. The four daughter cells resulting from meiosis are haploid and genetically distinct. The daughter cells resulting from mitosis are diploid and identical to the parent cell. |
sciq | sciq_01_01710 | The peripheral nervous system has major nerves that travel through every part of the body except which two places? | [
"lungs and spinal cord",
"brain and spinal cord",
"brain and heart",
"muscles and brain"
] | B | All the other nervous tissues in the body are part of the peripheral nervous system. If you look again at Figure above , you can see the major nerves of the peripheral nervous system. They include nerves that run through virtually every part of the body, both inside and out, except for the brain and spinal cord. |
sciq | sciq_01_01090 | Molecules with a carboxyl group are called what? | [
"catalyzed acids",
"acetic acids",
"carboxylic acids",
"Fatty acids"
] | C | Molecules with a carboxyl group are called carboxylic acids. As with aldehydes, the functional group in carboxylic acids is at the end of a carbon chain. Also as with aldehydes, the C atom in the functional group is counted as one of the C atoms that defines the parent hydrocarbon name. To name carboxylic acids, the pa... |
ARC-Easy | arc_04_00782 | In eukaryotic organisms, interaction between which organelles is most important for cell shape, tensile strength, and communication between cells? | [
"cytoskeleton and cell membrane",
"cytoplasm and Golgi apparatus",
"nucleus and endoplasmic reticulum",
"ribosome and central vacuole"
] | A | null |
math_qa | mathqa_03_04392 | the compound ratio of 2 / 3 , 6 / 7 , 1 / 5 and 1 / 8 is given by ? | [
"7 / 98",
"1 / 48",
"1 / 98",
"3 / 350"
] | D | "2 / 3 * 6 / 7 * 1 / 5 * 1 / 8 = 12 / 1400 = 3 / 350 answer : d" |
sciq | sciq_01_05287 | Which process changes rocks by heat and pressure? | [
"metamorphism",
"Changes",
"weathering",
"sediments"
] | A | Metamorphism changes rocks by heat and pressure. These agents create an entirely new type of rock. Metamorphism changes rocks physically and/or chemically. |
ARC-Easy | arc_04_00242 | In an investigation, a student wants to see how a ball is affected by rolling it over a surface covered with sandpaper. In preparation for the trial, the student makes a list of the possible conditions that could affect the investigation. The student is most likely listing the | [
"constants.",
"variables.",
"controls.",
"trials."
] | B | null |
math_qa | mathqa_03_03801 | the population of a town increases 22 % and 25 % respectively in two consecutive years . after the growth the present population of the town is 1220 . then what is the population of the town 2 years ago ? | [
"a",
"b",
"c",
"d"
] | C | "explanation : formula : ( after = 100 denominator ago = 100 numerator ) 1220 * 100 / 122 * 100 / 125 = 800 answer : option c" |
sciq | sciq_01_05849 | The chromosomal theory of inheritance proposed that what reside on chromosomes? | [
"molecules",
"atoms",
"genes",
"rna"
] | C | Chapter 13 1 Figure 13.3 No. The predicted frequency of recombinant offspring ranges from 0% (for linked traits) to 50% (for unlinked traits). 3 Figure 13.6 B. 4 A 6 C 8 B 10 C 12 D 14 The Chromosomal Theory of Inheritance proposed that genes reside on chromosomes. The understanding that chromosomes are linear arrays o... |
sciq | sciq_01_08035 | What two forces tend to keep an animal stationary and thus oppose locomotion? | [
"workload and gravity",
"thickness and gravity",
"friction and gravity",
"stength and gravity"
] | C | |
math_qa | mathqa_03_03947 | a shop produces sarongs . the daily average production is given by 5 n + 20 , where n is the number of workers aside from the owner . in the first k days , 500 units are produced , and then 5 workers are added to the team . after another k days , the cumulative total is 1300 . how many workers were part of the latter p... | [
"a",
"b",
"c",
"d"
] | C | "the daily average production is given by 5 n + 20 - given in the first k days , 500 units are produced = ( 5 n + 20 ) k = 500 k = 500 / 5 n + 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 workers were added = 5 ( n + 5 ) + 20 = 5 n + 45 cumulative is 1300 . . thus for the current period ... |
medmcqa | medmcqa_05_03900 | A 60-year-old male patient on aspirin, nitrates, and a beta blocker, being followed for chronic stable angina, presents to the ER with a history of two to three episodes of more severe and long-lasting anginal chest pain each day over the past 3 days. His ECG and cardiac enzymes are normal. The best course of action of... | [
"Admit the patient and begin intravenous digoxin",
"Admit the patient and begin intravenous heparin",
"Admit the patient and give prophylactic thrombolytic therapy",
"Admit the patient for observation with no change in medication"
] | B | This patient presents with unstable angina, a change from the previous chronic stable state in that chest pain has become more frequent and more severe. Intravenous heparin is indicated. Subcutaneous administration of low-molecular-weight heparin (such as enoxaparin) is an alternative. There is no role for digoxin, as ... |
medmcqa | medmcqa_05_02266 | According to WHO latest treatment of leprosy is - | [
"2 yrs. Or negative slit smear negative which ever is longer for multibacillary",
"Life long treatment",
"Six months treatment for paucibacillary",
"Not specified"
] | C | According to WHO, Multibacillary :- MB blisterpacks for 12 months , within 18 months Paucibacillary :-PB Blisterpacks for 6 months ,within 9 months. Reference : Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 341 |
medmcqa | medmcqa_05_01564 | Agent which on addition to a colony inhibits its growth and on removal the colony regrows is | [
"Bacteriostatic",
"Bactericidal",
"Antibiotic",
"Antiseptic"
] | A | Ans. is 'a' i.e., Bacteriostatic Bacteriostatic . Agent is able to inhibit bacterial multiplication. . Multiplication resumes upon removal of agent. Bactericidal . Agent is able to kill the bacteria. . Action is irreversible ie, the killed organism can no longer reproduce, even after being removed from contact with the... |
sciq | sciq_01_06186 | Displacement is a vector quantity, which means it has both direction and what else? | [
"waves",
"radiation",
"magnitude",
"rate"
] | C | What is the difference between distance and displacement? Whereas displacement is defined by both direction and magnitude, distance is defined only by magnitude. Displacement is an example of a vector quantity. Distance is an example of a scalar quantity. A vector is any quantity with both magnitude and direction. Othe... |
sciq | sciq_01_04159 | What color does red litmus paper turn in the presence of a base? | [
"green",
"purple",
"blue",
"white"
] | C | Like strong acids, strong bases can be harmful to organisms and damaging to materials. Bases have a bitter taste and feel slimy to the touch. They can also burn the skin. Bases, like acids, can be identified with litmus paper. Bases turn red litmus paper blue. |
sciq | sciq_01_09795 | What forms when the metal sodium gives up an electron to the nonmetal chlorine? | [
"covalent bond",
"an ionic bond",
"van der waals force",
"hydrogen bond"
] | B | An ionic bond forms when the metal sodium gives up an electron to the nonmetal chlorine. |
openbookqa | obqa_02_01339 | People eating meals or snacks containing substances are further processed in the | [
"reproductive system",
"burgers and fries",
"gastro tract",
"ocular department"
] | C | the breaking down of food into simple substances occurs in the digestive system |
openbookqa | obqa_02_01960 | Light can easily be seen bouncing off of a | [
"paper bag",
"pencil",
"overhead sign",
"cardboard box"
] | C | when light hits a reflective object , that light bounces off that object |
sciq | sciq_01_09025 | What is the term for the fast-moving air currents high in the troposphere? | [
"global winds",
"jet streams",
"gale force winds",
"ocean streams"
] | B | Jet streams are fast-moving air currents high in the troposphere. They are also the result of unequal heating of the atmosphere. Jet streams circle the planet, mainly from west to east. The strongest jet streams are the polar jets. The northern polar jet is shown in Figure below . |
math_qa | mathqa_03_02551 | by investing in 16 % stock at 64 , one earns rs . 1500 . the investment made is : | [
"5760",
"7667",
"4445",
"4566"
] | C | "explanation : to earn rs . , investment = rs . 64 . to earn rs . 1500 , investment = = rs . 5760 . answer : c ) 5760" |
math_qa | mathqa_03_01939 | if x is 20 percent more than y and y is 70 percent less than z , then x is what percent of z ? | [
"500 %",
"250 %",
"500 / 3 %",
"36 %"
] | D | z = 100 ; y = 30 so x = 36 x as % of z = 36 / 100 * 100 = > 36 % answer will be ( d ) |
sciq | sciq_01_05768 | What did darwin call the evolutionary concept of change in populations over generations? | [
"formation with modifications",
"reproduction with modifications",
"metabolism with modifications",
"descent with modifications"
] | D | Wallace and Darwin both observed similar patterns in other organisms and independently conceived a mechanism to explain how and why such changes could take place. Darwin called this mechanism natural selection. Natural selection, Darwin argued, was an inevitable outcome of three principles that operated in nature. Firs... |
sciq | sciq_01_02919 | In biology, what is required for ecosystems to survive? | [
"energy",
"helium",
"minerals",
"space"
] | A | In biology, energy is required for ecosystems to survive, as all living organisms need energy. Within an organism, energy is needed for growth and development of a biological cell or an organelle within that cell. Energy is also needed for all biochemical reactions within that cell. Therefore, energy is stored within c... |
sciq | sciq_01_00484 | The coccyx, or tailbone, results from the fusion of four small what? | [
"alangulam vertebrae",
"rib vertebrae",
"coccygeal vertebrae",
"arsine vertebrae"
] | C | Regions of the Vertebral Column The vertebral column originally develops as a series of 33 vertebrae, but this number is eventually reduced to 24 vertebrae, plus the sacrum and coccyx. The vertebral column is subdivided into five regions, with the vertebrae in each area named for that region and numbered in descending ... |
math_qa | mathqa_03_04228 | a can complete a project in 20 days and b can complete the same project in 30 days . if a and b start working on the project together and a quits 5 days before the project is completed , in how many days total will the project be completed ? | [
"12",
"15",
"18",
"21"
] | B | "a ' s rate is 1 / 20 of the project per day . b ' s rate is 1 / 30 of the project per day . the combined rate is 1 / 12 of the project per day . in the last 5 days , b can do 1 / 6 of the project . thus a and b must complete 5 / 6 of the project , which takes 10 days . the total number of days is 10 + 5 = 15 . the ans... |
sciq | sciq_01_07005 | Combining nonpolar olive oil and polar vinegar yields what type of mixture? | [
"heterogeneous",
"omnigeneous",
"homogeneous",
"amorphous"
] | A | Another familiar example is the mixing of vinegar and olive oil. Olive oil is a nonpolar substance, while vinegar (which is mostly water and acetic acid) is polar. The result is a heterogeneous mixture that exhibits a bilayer. |
sciq | sciq_01_09512 | Electromagnets can be turned on or off and their strength can be changed by controlling what? | [
"powered current",
"steady current",
"electric current",
"inducing current"
] | C | Electromagnets can be turned on or off and their strength can be changed by controlling the electric current. |
openbookqa | obqa_02_03425 | By plugging in the cord you can supply power to | [
"a garden gnome",
"a rock",
"the sun",
"a hairdryer"
] | D | when an electrical conductor is plugged into an outlet , a circuit is completed |
math_qa | mathqa_03_00327 | a batsman scored 120 runs which included 3 boundaries and 8 sixes . what % of his total score did he make by running between the wickets | [
"30 %",
"50 %",
"60 %",
"80 %"
] | B | "number of runs made by running = 110 - ( 3 x 4 + 8 x 6 ) = 120 - ( 60 ) = 60 now , we need to calculate 60 is what percent of 120 . = > 60 / 120 * 100 = 50 % b" |
openbookqa | obqa_02_02964 | Amphibians undergo changes in structure of being in that | [
"salamanders can regrow their tails",
"salamanders can lose their tails",
"frogs can breathe air and water",
"they begin as a different looking being"
] | D | shale can be metamorphosed into slate by increased pressure |
sciq | sciq_01_04246 | The electron beam scans the surface of the sample, usually coated with a thin film of which metal? | [
"gold",
"silver",
"copper",
"platinum"
] | A | |
sciq | sciq_01_01928 | Which side of the heart does blood from the lungs enter into? | [
"right atrium",
"left ventricle",
"left atrium",
"right ventricle"
] | C | Blood from the lungs enters the left atrium of the heart. The left atrium pumps the blood to the left ventricle, which pumps it to the body. This loop is represented by the red arrows in Figure above . |
sciq | sciq_01_08410 | Instead of a nervous system, plant responses are generally controlled by what type of molecules, which serves as chemical messengers? | [
"enzymes",
"hormones",
"sugars",
"receptors"
] | B | Like all organisms, plants detect and respond to stimuli in their environment. Unlike animals, plants can’t run, fly, or swim toward food or away from danger. They are usually rooted to the soil. Instead, a plant’s primary means of response is to change how it is growing. Plants also don’t have a nervous system to cont... |
medmcqa | medmcqa_05_03940 | Positive head impulse test is suggestive of ? | [
"Injury to vestibular nuclei",
"Injury to peripheral vestibular nerve",
"Lesion in the brain stem",
"Injury to Occulomotor nerve"
] | B | Ans. is `b' i.e., Injury to peripheral vestibular nerve Head Impulse Test It is also called head thrust test. It is test for the diagnosis of injury to vestibular nerve which forms the peripheral vestibular pathway. Clinician asks the patient to fix his gaze on a target and then perform passive horizontal and veical he... |
math_qa | mathqa_03_02238 | a train overtakes two persons who are walking in the same direction to that of the train at 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively . what is the length of the train ? | [
"62 m",
"54 m",
"50 m",
"55 m"
] | C | explanation : let x is the length of the train in meter and v is its speed in kmph x / 9 = ( v - 2 ) ( 10 / 36 ) - - - ( 1 ) x / 10 = ( v - 4 ) ( 10 / 36 ) - - - ( 2 ) dividing equation 1 with equation 2 10 / 9 = ( v - 2 ) / ( v - 4 ) = > 10 v - 40 = 9 v - 18 = > v = 22 substituting in equation 1 , x / 9 = 200 / 36 = >... |
math_qa | mathqa_03_03002 | mr . kramer , the losing candidate in a two - candidate election , received 942,568 votes , which was exactly 30 percent of all votes cast . approximately what percent of the remaining votes would he need to have received in order to have won at least 50 percent of all the votes cast ? | [
"10 %",
"12 %",
"15 %",
"29 %"
] | D | let me try a simpler one . lets assume that candidate got 30 % votes and total votes is 100 . candidate won = 30 remaining = 70 to get 50 % , candidate requires 20 votes from 100 which is 20 % and 20 votes from 70 . 20 / 70 = 2 / 7 = . 285 = 28.5 % which is approx 29 % . hence the answer is d . |
medmcqa | medmcqa_05_01823 | Ram Devi presented with generalized edema sweating and ushing
tachycardia and fever after bee sting. This is | [
"T cell mediated cytotoxicity",
"IgE mediated reaction",
"IgG mediated reaction",
"IgA mediated hypersensitivity reaction"
] | B | The symptoms of the patient are d/t hypersensitivity type I reaction Type I is mediated by IgE and it airs up within minutes.
The symptoms range from rashes to anaphylactic shock with vasodilatory hypotension and bronchiolar spasm.
Examples of type I
Eczema* Hay fever* Asthma* Anaphylactic shock* Urticaria* A cute der... |
sciq | sciq_01_05484 | What do you call the strands of dna wrapped around proteins, which are located inside the nucleus? | [
"receptors",
"chromosomes",
"ribosomes",
"fibrils"
] | B | Inside of the nucleus, you will find the chromosomes . Chromosomes are strands of DNA wrapped around proteins. They contain genes , or small units of genetic material (DNA) that contains the code for the creation of a protein. Human cells have 46 chromosomes (23 pairs). There are hundreds to thousands of genes on each ... |
sciq | sciq_01_10021 | Objects moving at different speeds, in different directions have different what? | [
"protons",
"electrons",
"velocities",
"vibrations"
] | C | Objects have the same velocity only if they are moving at the same speed and in the same direction. Objects moving at different speeds, in different directions, or both have different velocities. |
openbookqa | obqa_02_00713 | Which might you find in a zoo? | [
"a Sunda Colugo",
"a Sneezewort",
"a sousaphone",
"a Picasso"
] | A | some animals live in zoo exhibits |
math_qa | mathqa_03_02112 | the least number which must be subtracted from 820 to make it exactly divisible by 9 is : | [
"a",
"b",
"c",
"d"
] | C | "on dividing 820 by 9 , we get remainder = 1 therefore , required number to be subtracted = 1 answer : c" |
ARC-Easy | arc_04_00043 | Which of these will best separate iron filings from sand? | [
"water",
"a magnifying glass",
"a magnet",
"rubbing alcohol"
] | C | null |
sciq | sciq_01_06594 | What is energy from the sun called? | [
"potential energy",
"thermodynamic energy",
"solar energy",
"kinetic energy"
] | C | |
sciq | sciq_01_03141 | Red algae and green algae are the closest relatives of what? | [
"land plants",
"transfer plants",
"arctic plants",
"water plants"
] | A | 28.5 Red algae and green algae are the closest relatives of land plants. |
sciq | sciq_01_10984 | They had demonstrated that particles smaller than bacteria cause what? | [
"disease",
"damage",
"flight",
"blood"
] | A | Viruses are so small that they can be seen only with an electron microscope. Before electron microscopes were invented, scientists knew viruses must exist. How did they know? They had demonstrated that particles smaller than bacteria cause disease. |
math_qa | mathqa_03_00824 | the largest four digit number which is a multiple of 8 , 10,12 and 15 is : | [
"9960",
"9950",
"9940",
"9930"
] | A | "lcm = 120 9999 / 120 = 83 83 * 120 = 9960 answer : a" |
sciq | sciq_01_03662 | Water can be boiled to kill giardia and most other what? | [
"pathogens",
"germs",
"bacteria",
"parasites"
] | A | Different pathogens spread in different ways. Some pathogens spread through food. They cause food borne illnesses, which are discussed in a previous concept. Some pathogens spread through water. Giardia lamblia is one example. Water can be boiled to kill Giardia and most other pathogens. |
sciq | sciq_01_02623 | Scientists utilize what natural process to teach cranes born in captivity to migrate along safe routes? | [
"neuroimaging",
"natural selection",
"expediting",
"imprinting"
] | D | |
ARC-Easy | arc_04_01506 | Many people like to use microwave ovens rather than traditional ovens. The main reason for this is that microwave ovens | [
"take less time to cook food than regular ovens do.",
"get hotter than regular ovens.",
"do not leave spattered grease or food on the inside.",
"cannot overcook food."
] | A | null |
openbookqa | obqa_02_01963 | A creature can hide in plain sight from predators because | [
"it burns",
"it misdirects",
"it cries",
"it stinks"
] | B | camouflage is a kind of protection against predators |
openbookqa | obqa_02_01428 | Aerial maps represent what feature using dark green? | [
"the slopes of the Rocky Mountains",
"underwater ocean forests and coral",
"trees packed close together",
"The great northwestern plains"
] | C | a dense forest environment is often dark in color |
sciq | sciq_01_07847 | What happened to chemical reactions when temperature increases? | [
"it became faster",
"it becomes slower",
"it slows down for a short time then speeds up",
"it stays the same"
] | A | Temperature increases. Chemical reactions are faster at higher temperatures. |
sciq | sciq_01_11535 | What do cells produce as they age? | [
"oxidants",
"wrinkles",
"carcinogens",
"proto-oncogenes"
] | D | |
medmcqa | medmcqa_05_01447 | Modafinil is used as an adjunct in the treatment of? (DNB 2012-section-1) | [
"Sleep apnea syndrome",
"Narcolepsy",
"ADHD",
"Shift work disorder"
] | A | Ans. (a) Sleep apnea syndrome Ref'.Harrison's 18/e, ch 27 Sleep apnea syndrome-Modafinil is used as an adjunct Narcolepsy- Modafinil is drug of choice |
sciq | sciq_01_09208 | What anatomical system is made up of neurons and glia? | [
"reproductive system",
"nervous system",
"digestive system",
"lymphatic system"
] | B | CHAPTER SUMMARY 35.1 Neurons and Glial Cells The nervous system is made up of neurons and glia. Neurons are specialized cells that are capable of sending electrical as well as chemical signals. Most neurons contain dendrites, which receive these signals, and axons that send signals to other neurons or tissues. There ar... |
math_qa | mathqa_03_02578 | a train 220 m long is running with a speed of 90 km / hr . in what time will it pass a bus that is running with a speed of 60 km / hr in the direction opposite to that in which the train is going ? | [
"4.37",
"5.28",
"6.75",
"8"
] | B | "speed of train relative to bus = 90 + 60 = 150 km / hr . = 150 * 5 / 18 = 125 / 3 m / sec . time taken to pass the bus = 220 * 3 / 125 = 5.28 sec . answer : b" |
openbookqa | obqa_02_02661 | what is a simple way to determine the age a tree? | [
"by counting its branches",
"by counting its round inner markings",
"by counting its leaves",
"by counting its roots"
] | B | a tree growing a tree-growth ring occurs once per year |
ARC-Easy | arc_04_00734 | Which effect do rapidly cooling temperatures have on the water cycle? | [
"Water droplets evaporate into vapor.",
"Water vapor condenses into droplets.",
"Condensation evaporates into precipitation.",
"Precipitation condenses into water droplets."
] | B | null |
medmcqa | medmcqa_05_00040 | At 8 weeks postpaum, uterus should weigh about | [
"100 grams",
"500 grams",
"700 grams",
"900 grams"
] | A | During pregnancy, uterus weighs about 1000g At the end of 6weeks ,it's measurement is almost similar to the prepregnant state which is about 60g . Decrease in size of uterus is seen with serial MRI Ref: Dutta Obs 9e pg 137. |
math_qa | mathqa_03_00878 | gopi gives rs . 90 plus one turban as salary to his servant for one year . the servant leaves after 9 months and receives rs . 45 and the turban . find the price of the turban . | [
"27",
"36",
"29",
"90"
] | D | "let the price of turban be x . thus , for one year the salary = ( 90 + x ) for 9 months he should earn 3434 ( 90 + x ) . now he gets one turban and rs . 45 . thus , 3434 ( 90 + x ) = 45 + x or 270 + 3 x = 180 + 4 x or x = 90 answer : d" |
math_qa | mathqa_03_04713 | a man is 26 years older than his son . in two years , his age will be twice the age of his son . the present age of the son is ? | [
"16",
"19",
"15",
"24"
] | D | "let the son ' s present age be x years . then , man ' s present age = ( x + 26 ) years . ( x + 26 ) + 2 = 2 ( x + 2 ) x + 28 = 2 x + 4 = > x = 24 . answer : d" |
sciq | sciq_01_02038 | Each group of organisms went through its own evolutionary journey, called what? | [
"superfamily",
"anomalous",
"zoology",
"phylogeny"
] | D | CHAPTER SUMMARY 20.1 Organizing Life on Earth Scientists continually gain new information that helps understand the evolutionary history of life on Earth. Each group of organisms went through its own evolutionary journey, called its phylogeny. Each organism shares relatedness with others, and based on morphologic and g... |
math_qa | mathqa_03_04443 | how many multiples of 8 are less than 4500 , and also multiples of 12 ? | [
"104.6",
"187.5",
"625.6",
"450.5"
] | B | "lcm of 8 & 12 = 24 tried dividing 4500 by 24 got quotient 187.5 ' so b is answer" |
sciq | sciq_01_10471 | What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil? | [
"radio telescope",
"calorimeter",
"thermometer",
"alethiometer"
] | B | Though not particularly beautiful machines, calorimeters are incredibly useful ones. They are used to determine the calories (food energy) in food, as well as the average heat yield from burning various grades of coal and oil. The price of coal is often dependent on the heat yield from samples burned in a calorimeter. |
sciq | sciq_01_11305 | What is the type of volcano with a tall cone shape that you picture when picturing a volcano? | [
"inactive",
"composite",
"active",
"advanced"
] | B | A composite volcano forms the tall cone shape you usually think of when you think of a volcano. Shield volcanoes are huge, gently sloping volcanoes. Cinder cones are small, cone-shaped volcanoes. |
math_qa | mathqa_03_03125 | if there are 200 questions in a 3 hr examination . among these questions are 50 type a problems , which requires twice as much as time be spent than the rest of the type b problems . how many minutes should be spent on type a problems ? | [
"72 min",
"62 min",
"70 min",
"74 min"
] | A | "x = time for type b prolems 2 x = time for type a problem total time = 3 hrs = 180 min 150 x + 50 * 2 x = 180 x = 180 / 250 x = 0.72 time taken for type a problem = 50 * 2 * 0.72 = 72 min answer : a" |
sciq | sciq_01_00887 | Mycorrhizae functions as a physical barrier to what? | [
"parasites",
"vaccines",
"bacteria",
"pathogens"
] | D | Mycorrhizae: The Symbiotic Relationship between Fungi and Roots A nutrient depletion zone can develop when there is rapid soil solution uptake, low nutrient concentration, low diffusion rate, or low soil moisture. These conditions are very common; therefore, most plants rely on fungi to facilitate the uptake of mineral... |
sciq | sciq_01_09811 | Continually increasing the pressure on the liquid will eventually cause the substance to do what? | [
"erode",
"transform",
"solidify",
"explode"
] | C | Start right above point on the temperature axis and follow the red line vertically. At very low pressure, the particles of the substance are far apart from one another and the substance is in the gas state. As the pressure is increased, the particles of the substance are forced closer and closer together. Eventually th... |
math_qa | mathqa_03_03070 | two trains are moving in opposite directions @ 60 kmph and 90 kmph . their length are 1.10 km and 0.9 km . the time taken by the slower train to cross faster train in second is ? | [
"25 sec",
"30 sec",
"48 sec",
"36 sec"
] | C | "relative speed = 60 + 90 = 150 * 5 / 18 = 125 / 3 m / s distance covered = 1.10 + 0.9 = 2 km = 2000 m required time = 2000 * 3 / 125 = 48 sec answer is c" |
sciq | sciq_01_03902 | What is the main greenhouse gas causing global warming? | [
"carbon monoxide",
"nitrogen",
"sulfur",
"carbon dioxide"
] | D | Carbon dioxide is the main greenhouse gas causing global warming. There are several possible ways to reduce carbon dioxide emissions. They include cap-and-trade systems, carbon taxes, and carbon sequestration. |
sciq | sciq_01_10217 | What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells? | [
"axions",
"electrons",
"neurons",
"ions"
] | C | Neurons are the structural and functional units of the nervous system. They consist of a cell body, dendrites, and axon. Neurons transmit nerve impulses to other cells. Types of neurons include sensory neurons, motor neurons, and interneurons. |
openbookqa | obqa_02_03901 | oceans contains most of earth 's | [
"wet sustenance",
"trees",
"clouds",
"shoes"
] | A | oceans contains most of earth 's water |
math_qa | mathqa_03_01826 | 378 × ? = 252 | [
"2 / 3",
"3 / 4",
"1 / 2",
"2 / 8"
] | A | "explanation : 378 × ? = 252 ? = 252 / 378 = 126 / 189 = 14 / 21 = 2 / 3 answer is a" |
medmcqa | medmcqa_05_01520 | Muscle glycogen stores can NOT be used to provide glucose into the circulation due to lack of: | [
"Glucose-6-phosphate dehydrogenase",
"Glutamate dehydrogenase",
"Glucose-6-phosphatase",
"Glucokinase"
] | C | Glucose 6-phosphataseIt is an enzyme that hydrolyzes glucose-6-phosphate resulting in the creation of a phosphate group and free glucose.Glucose is then expoed from the cell glucose transpoer membrane proteins.This catalysis completes the final step in gluconeogenesis and glycogenolysis and therefore plays a key role i... |
openbookqa | obqa_02_00283 | Organisms require energy in order to do what? | [
"rest soundly",
"absorb light",
"take in nutrients",
"mature and develop"
] | D | an organism requires energy for growth |
ARC-Easy | arc_04_00086 | What is an example of a shelter in an ecosystem? | [
"a gray squirrel eating an acorn",
"a raccoon in a hollow log",
"a blue whale migrating",
"a tick feeding on a coyote"
] | B | null |
sciq | sciq_01_00861 | What are muscle cells in the muscles called? | [
"use fibers",
"muscle fibers",
"human fibers",
"job fibers"
] | B | The muscular system consists of all the muscles of the body. Muscles are organs composed mainly of muscle cells, which are also called muscle fibers . Each muscle fiber is a very long, thin cell that can do something no other cell can do. It can contract, or shorten. Muscle contractions are responsible for virtually al... |
openbookqa | obqa_02_03236 | Why are there more deer when there's a lot of rain? | [
"all the dolphins fly south for the winter",
"more rain means nothing grows",
"A biblical character took every other animal with him",
"abundant water means more vegetation"
] | D | the increase of something required by an organism has a positive impact on that organism 's survival |
openbookqa | obqa_02_01773 | What do you have if you throw chocolate chips, peanuts, coconut, and dried strawberry into a bag? | [
"recipe for dynamite",
"a trail mix",
"a birthday cake",
"a cookie recipe"
] | B | An example of a mixture is clay mixed together |
ARC-Easy | arc_04_01828 | Some types of trees are able to survive the heat of a forest fire. Which of the following characteristics would best help a tree survive a fire? | [
"large leaves",
"shallow roots",
"thick bark",
"thin trunks"
] | C | null |
sciq | sciq_01_05949 | What kind of messages do neurons send? | [
"digestive messages",
"Neurotic messages",
"electrical messages",
"minor messages"
] | C | Nervous tissue consists of nerve cells, or neurons, which can send and receive electrical messages. Nervous tissue makes up the brain, spinal cord, and other nerves that run throughout the body. |
sciq | sciq_01_03549 | What do marine autotrophs acquire in carbonic acid, its dissolved form? | [
"carbon monoxide",
"chlorine dioxide",
"silicon dioxide",
"carbon dioxide"
] | D | The Biological Carbon Cycle Living organisms are connected in many ways, even between ecosystems. A good example of this connection is the exchange of carbon between heterotrophs and autotrophs within and between ecosystems by way of atmospheric carbon dioxide. Carbon dioxide is the basic building block that autotrophs... |
sciq | sciq_01_02192 | What is broken during catabolic reactions, such as the breakdown of complex carbohydrates into simple sugars? | [
"metals",
"forms",
"ions",
"bonds"
] | D | Catabolic reactions involve breaking bonds. Larger molecules are broken down to smaller ones. For example, complex carbohydrates are broken down to simple sugars. Catabolic reactions release energy, so they are exothermic. |
medmcqa | medmcqa_05_03301 | Mechanism of action of levosimendan include: | [
"Na channel opener",
"K channel opener",
"Beta blocker",
"Beta 1 agonist"
] | B | Ans. (B) K channel opener(Ref: Katzung 11th/e p.221)Levosimendan is an inodilator that act by[?]Ca2+ sensitizing action by binding to troponin-C (inotropic action)[?]K+ Channel opening action -- (responsible for vasodilation) |
math_qa | mathqa_03_00412 | the current of a stream runs at the rate of 5 kmph . a boat goes 6 km and back to the starting point in 2 hours , then find the speed of the boat in still water ? | [
"a",
"b",
"c",
"d"
] | C | "s = 5 m = x ds = x + 5 us = x - 5 6 / ( x + 5 ) + 6 / ( x - 5 ) = 2 x = 8.83 answer : c" |
medmcqa | medmcqa_05_00100 | An infant who appears to be of normal size is noted to be lethargic and somewhat limp on the warmer after birth. The mother is 28 years old, and this is her fourth delivery. The pregnancy was uncomplicated, with normal fetal monitoring prior to delivery. Labor was rapid, with local anesthesia and intravenous meperidine... | [
"Intravenous infusion of 10% dextrose in water",
"Administration of naloxone (Narcan)",
"Administration of vitamin K",
"Measurement of electrolytes and magnesium levels"
] | B | In the description provided, the most likely cause of the neonatal depression is maternal analgesic narcotic drug administration. While controlling the pain of the delivery in the mother, use of narcotics can result in depression of the newborn via crossing of the placenta. The appropriate first step in the management ... |
sciq | sciq_01_01845 | The mixture of gases that surrounds the planet and makes up the atmosphere is known as ________. | [
"fuel",
"energy",
"air",
"vaccum"
] | C | The atmosphere is a mixture of gases that surrounds the planet. We also call it air. The gases in the atmosphere include nitrogen, oxygen, and carbon dioxide. Along with water vapor, the atmosphere allows life to survive. Without it, Earth would be a harsh, barren world. |
openbookqa | obqa_02_01118 | As a liquid's temperatures get hotter | [
"ice cream will deliquesce faster when the liquid is poured over it",
"rocks will melt faster when the liquid is poured over it",
"the liquid will harden as it's poured",
"the liquid will cool down anything it touches"
] | A | as temperature increases , the ability of that liquid to dissolve solids will increase |
sciq | sciq_01_08629 | Chemical signals are received by the target cell on what? | [
"receptor proteins",
"acidic proteins",
"parent proteins",
"inceptor proteins"
] | A | The target cell then needs to be able to recognize the signal. Chemical signals are received by the target cell on receptor proteins. Most receptor proteins are found associated with the plasma membrane, but some are also found inside the cell. Receptor proteins are very specific for only one particular signal molecule... |
sciq | sciq_01_02958 | What substances contained in lemons, vinegar, and sour candies have a sour taste? | [
"proteins",
"fats",
"acids",
"lactose"
] | C | Acids have a sour taste. Lemons, vinegar, and sour candies all contain acids. |
medmcqa | medmcqa_05_02545 | The major mineral in the cell membrane is: | [
"Cholesterol",
"Calcium",
"Sodium",
"Phosphorus"
] | D | Phosphorus is the major mineral in cell membrane It is present in the form of phospholipid |
medmcqa | medmcqa_05_04250 | A 43 year old female presented with galactorrhoea. Her investigations show increased prolactin levels. Which among the following condition CANNOT cause increased prolactin secretion? | [
"Dopamine",
"Sleep",
"Pregnancy",
"Stress"
] | A | Prolactin is produced in the lactotroph cells of the anterior pituitary gland. Secretion of prolactin is pulsatile, and it increases with sleep, stress, pregnancy, chest wall stimulation, and trauma. During nipple stimulation and lactation, the mammary nerve gets stimulated secreting prolactin. Hypoglycemia, myocardial... |
openbookqa | obqa_02_04663 | An example of evaporation is a body of water drying by by absorbing what energy? | [
"hotness",
"electrical",
"cool",
"chilly"
] | A | An example of evaporation is a body of water drying up by absorbing heat energy |
openbookqa | obqa_02_01173 | A lever is used to move objects that are | [
"hefty",
"light",
"short",
"round"
] | A | a lever is used for moving heavy objects |
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