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_01687 | A substance too big to be pumped across the cell membrane may enter or leave the cell by what method? | [
"absorption",
"vesicle transport",
"vesicle infusion",
"passive transpiration"
] | B | Some substances are too big to be pumped across the cell membrane. They may enter or leave the cell by vesicle transport . This takes energy, so it's another form of active transport. You can see how vesicle transport occurs in Figure below . |
sciq | sciq_01_10940 | What equals the mass of the object (in kilograms) times the acceleration due to gravity (9.8 m/s 2 )? | [
"velocity",
"speed of light",
"density",
"weight"
] | D | Weight is a measure of the force of gravity pulling on an object of a given mass. It equals the mass of the object (in kilograms) times the acceleration due to gravity (9.8 m/s 2 ). |
sciq | sciq_01_00448 | What do cells secrete that binds to receptors? | [
"stress",
"factor",
"proteins",
"endorphans"
] | B | |
math_qa | mathqa_03_00482 | find the area of a parallelogram with base 12 cm and height 10 cm ? | [
"297 cm 2",
"384 cm 2",
"120 cm 2",
"267 cm 2"
] | C | "area of a parallelogram = base * height = 12 * 10 = 120 cm 2 answer : c" |
medmcqa | medmcqa_05_00989 | Normal finding in a newborn ? | [
"Length 30 cm",
"Peripheral cyanosis",
"Central cyanosis",
"Extension of body"
] | C | Ans. is 'c' i.e., Central cyanosis o There is peripheral cyanosis (not central cyanosis). o Length is approximately 50 cm and the attitude of body is in flexion (not extension). |
math_qa | mathqa_03_01217 | you collect pens . suppose you start out with 20 . mike gives you another 22 pens . since her father makes pens , cindy decides to double your pens . since you ' re nice , you give sharon 19 pens . how many pens do you have at the end ? | [
"39",
"40",
"65",
"42"
] | C | solution start with 20 pens . mike gives you 22 pens : 20 + 22 = 42 pens . cindy doubles the number of pens you have : 42 ã — 2 = 84 pens . sharon takes 19 pens from you : 84 - 19 = 65 pens . so you have 65 at the end . correct answer : c |
math_qa | mathqa_03_02488 | a train running at 1 / 5 of its own speed reached a place in 20 hours . how much time could be saved if the train would have run at its own speed ? | [
"8 hrs",
"10 hrs",
"12 hrs",
"16 hrs"
] | D | "time taken if run its own speed = 1 / 5 * 20 = 4 hrs time saved = 20 - 4 = 16 hrs answer : d" |
math_qa | mathqa_03_04263 | 860 % of 50 + 50 % of 860 = ? | [
"430",
"516",
"660",
"860"
] | D | "solution given expression = [ 860 / 100 x 50 + 50 / 100 x 860 ] = 430 + 430 = 860 . answer d" |
sciq | sciq_01_08107 | Latitude affects the amount of what received by an area, which in turn affects the temperature of a region? | [
"solar radiation",
"geothermal radiation",
"current radiation",
"chemical radiation"
] | A | We saw that the amount of solar radiation an area receives depends on its latitude. The amount of solar radiation affects the temperature of a region. Latitude has other effects on climate. |
sciq | sciq_01_00853 | Continuous-flow reactors are chemical reaction vessels in which the what are mixed and allowed to react as they flow along a tube? | [
"generators",
"reactants",
"propellants",
"reactives"
] | B | ♦ Many industrial processes for preparing compounds use “continuous-flow reactors,” which are chemical reaction vessels in which the reactants are mixed and allowed to react as they flow along a tube. The products are removed at a certain distance from the starting point, when the reaction is nearly complete. The key o... |
sciq | sciq_01_07604 | What in saliva protects the lining of the mouth from abrasion and lubricates food for easier swallowing? | [
"hairs",
"phloem",
"spores",
"mucus"
] | D | |
sciq | sciq_01_05607 | When something is described as "hydrophilic", you can determine something about how it interacts with what? | [
"hydrogen",
"iron",
"water",
"air"
] | C | hydrophilic heads are directed outward, in contact with the water. Each micelle may contain thousands of lipid molecules. Polar lipids may also form a monolayer, a layer one molecule thick on the surface of the water. The polar heads face into water, and the nonpolar tails stick up into the air. Bilayers are double lay... |
sciq | sciq_01_09668 | What state of matter is characterized by tiny particles separated by large distances, which do not experience any force of attraction or repulsion with each other? | [
"gas",
"steam",
"emissions",
"liquids"
] | A | Gases are composed of tiny particles that are separated by large distances. Gas particles are constantly moving, experiencing collisions with other gas particles and the walls of their container. The velocity of gas particles is related to the temperature of a gas. Gas particles do not experience any force of attractio... |
math_qa | mathqa_03_01136 | the average age of an adult class is 40 years . 15 new students with an avg age of 32 years join the class . therefore decreasing the average by 4 year . find what was theoriginal strength of class ? | [
"8",
"12",
"15",
"17"
] | C | "let original strength = y then , 40 y + 15 x 32 = ( y + 15 ) x 36 â ‡ ’ 40 y + 480 = 36 y + 540 â ‡ ’ 4 y = 60 â ˆ ´ y = 15 c" |
sciq | sciq_01_08949 | Mercury is small, rocky and covered with what objects? | [
"volcanoes",
"rivers",
"diamonds",
"craters"
] | D | 6. Mercury is small, rocky and covered with craters. Why?. |
medmcqa | medmcqa_05_04094 | Most common cause of PPH is - | [
"Atonic PPH",
"Traumatic PPH",
"Retained tissues",
"Bloodcoagulopathy"
] | A | Ans. is 'a' i.e., Atonic PPH o Postpartum haemorrhage - Related to the amount of blood loss in excess of 500 ml following birth of the baby (WHO).Causes:# Atonic (Most common)# Traumatic# Retained tissues# Blood coagulopathy.# Atonic uterus - Atonicity of the uterus is the most common cause of postpartum haemorrhage.o ... |
sciq | sciq_01_09760 | Some living things on the ocean floor are sources of what human necessity? | [
"steroids",
"pesticides",
"medicines",
"hormones"
] | C | The ocean floor is home to many species of living things. Some from shallow water are used by people for food. Clams and some fish are among the many foods we get from the ocean floor. Some living things on the ocean floor are sources of human medicines. For example, certain bacteria on the ocean floor produce chemical... |
sciq | sciq_01_06643 | Prokaryotes divide via binary fission and do not undergo what process of cell division? | [
"prophase",
"fusion",
"mitosis",
"meiosis"
] | C | Reproduction Reproduction in prokaryotes is asexual and usually takes place by binary fission. Recall that the DNA of a prokaryote exists as a single, circular chromosome. Prokaryotes do not undergo mitosis. Rather the chromosome is replicated and the two resulting copies separate from one another, due to the growth of... |
math_qa | mathqa_03_02834 | how long does a train 110 m long running at the speed of 90 km / hr takes to cross a bridge 132 m length ? | [
"12.9 sec",
"9.68 sec",
"17.9 sec",
"16.8 sec"
] | B | "speed = 90 * 5 / 18 = 25 m / sec total distance covered = 110 + 132 = 242 m . required time = 242 / 25 = 9.68 sec . answer : b" |
sciq | sciq_01_06386 | What simple machine works with a wheel and axle in a wheelbarrow? | [
"blade",
"hammer",
"pulley",
"lever"
] | D | Look at the wheelbarrow in the Figure below . It is used to carry heavy objects. It consists of two simple machines: a lever and a wheel and axle. Effort is applied to the lever by picking up the handles of the wheelbarrow. The lever, in turn, applies upward force to the load. The force is increased by the lever, makin... |
sciq | sciq_01_06694 | The distance of stars is measured in what terms, meaning the light takes many thousands of years to reach us? | [
"light hours",
"light years",
"light decades",
"light months"
] | B | Viewing distant stars is looking back in time. The stars we see are many thousands of light years away, which means the light takes many thousands of years to reach us. Thus the stars we see in the sky are how they looked thousands of years ago. |
math_qa | mathqa_03_01220 | a owes b rs . 50 . he agrees to pay b over a number of consecutive days on a monday , paying single note or rs . 10 or rs . 20 on each day . in how many different ways can a repay b . | [
"2",
"8",
"9",
"6"
] | B | he can pay by all 10 rupee notes = 1 way 3 ten rupee + 1 twenty rupee = 4 ! 3 ! × 1 ! 4 ! 3 ! × 1 ! = 4 ways 1 ten rupee + 2 twenty rupee notes = 3 ! 2 ! × 1 ! 3 ! 2 ! × 1 ! = 3 ways total ways = 1 + 4 + 3 = 8 answer : b |
openbookqa | obqa_02_01359 | A person using a compass can find their way when they are lost | [
"in time",
"in play",
"in space",
"on water"
] | D | a compass is used to navigate oceans |
sciq | sciq_01_01601 | What type of behavior occurs naturally in all animals of a given species? | [
"innate",
"learned",
"stimulated",
"acquired"
] | A | Innate behavior is any behavior that occurs naturally in all the animals of a given species. It doesn’t have to be learned, and it occurs in the same way in all members of the species. Examples of innate behaviors include the waggle dance in honeybees and the grasp reflex in human babies. |
openbookqa | obqa_02_04542 | Asking a blind person to look at something is rude because they are | [
"unable to speak",
"unable to eat",
"unable to see",
"unable to live"
] | C | seeing is used for sensing visual things |
openbookqa | obqa_02_02501 | Which would rely on rainfall the most to sustain life? | [
"a water feature",
"a pool",
"a water park",
"a lake"
] | D | rain is a source of water |
sciq | sciq_01_11159 | What are the major types anchoring proteins? | [
"semimetals and occludins",
"claudins and semimetals",
"amino and fatty acids",
"claudins and occludins"
] | D | Tight junctions are composed of strands of transmembrane proteins embedded in the plasma membranes of two adjacent cells. The extracellular domains of these proteins directly join to one another. These joining proteins associate with peripheral membrane proteins located on the intracellular side of plasma membrane. The... |
sciq | sciq_01_07746 | One of the main features all vetebrates have in common is what? | [
"hard shell",
"backbone",
"skeleton",
"brain"
] | B | Vertebrates. From the smallest of fish to us. One of the main features we all have in common is our backbone. The Vertebrates chapter describes the biological features of fish, amphibians, reptiles, birds, and mammals. |
sciq | sciq_01_03978 | Regularly performing weight-bearing exercise can reduce the risk of what condition that affects bones? | [
"arthritis",
"psoriasis",
"marrow deficiency",
"osteoporosis"
] | D | Regular weight-bearing exercise can reduce the risk of osteoporosis. Apply lesson concepts to explain why. |
medmcqa | medmcqa_05_03177 | Most reliable investigation in the diagnosis of pulmonary embolism is | [
"Lung scan",
"Angiography",
"Differential gas tension",
"ECG"
] | B | The first line diagnostic test for pulmonary embolism is CT pulmonary angiography(CTPA).It has the advantages of visualising the distribution and extent of the emboli,or highlighting an alternative diagnosis,such as consolidation,pneumothorax or aoic dissection. Chest X-ray is most useful in excluding key differential ... |
sciq | sciq_01_08535 | E. histolytica causes what kind of dysentery? | [
"amebic",
"Spastic",
"cocklebur",
"spicule"
] | A | |
sciq | sciq_01_02357 | What does urine leave the body through? | [
"urethra",
"vagina",
"uterus",
"colon"
] | A | Urine leaves the body through the urethra . |
sciq | sciq_01_00589 | What is the process by which the egg is fertilized by the pollen of the same flower? | [
"self realization",
"self pollination",
"self formation",
"self condensation"
] | B | In self-pollination , the egg is fertilized by the pollen of the same flower. |
sciq | sciq_01_01405 | What is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated? | [
"dispersion",
"conduction",
"distillation",
"sterilization"
] | C | Distillation is an effective method to separate mixtures comprised of two or more pure liquids. Distillation is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated. In simple distillation, a mixture is heated and the most volatile component vaporizes at the lowe... |
ARC-Easy | arc_04_01669 | Which relationship between Earth's outer core and inner core generates a large portion of Earth's magnetic field? | [
"their relative masses",
"their relative motions",
"their relative diameters",
"their relative circumferences"
] | B | null |
medmcqa | medmcqa_05_01958 | Mastoid process antrum begins to develop in the | [
"6th month",
"9th month",
"1st year",
"2nd year"
] | A | *MASTOID* *ANTRUM* *DEVELOPEMENT* The antrum, which is the biggest of all mastoid air cells, stas its development between the 22nd and the 24th week of fetal life. It reaches its adult size on the 35th week The antrum develops at the center of the mastoid process on both sides of the petrosquamous fissure. The medial p... |
openbookqa | obqa_02_01003 | Something that died millions of years ago can still be relevant | [
"because we drive cars",
"because they are in our memories",
"because we still see them",
"because we miss them"
] | A | heat and pressure change the remains of prehistoric living things into natural gas |
medmcqa | medmcqa_05_02216 | Root value of femoral nerve? | [
"Dorsal divisions of ventral primary rami of lumbar 2, 3, 4",
"Ventral divisions of ventral primary rami of lumbar 2, 3, 4",
"Ventral divisions of dorsal primary rami of lumbar 2, 3, 4",
"Dorsal divisions of dorsal primary rami of lumbar 2, 3, 4"
] | A | Root value of Femoral nerve: Dorsal divisions of ventral primary rami of lumbar 2, 3, 4 segments of spinal cord.Ref: Chaurasia; Volume 2; 6th edition; Page no: 62 |
math_qa | mathqa_03_04325 | pipe a can fill a tank in 6 hours . due to a leak at the bottom , it takes 9 hours for the pipe a to fill the tank . in what time can the leak alone empty the full tank ? | [
"33",
"77",
"18",
"99"
] | C | "let the leak can empty the full tank in x hours 1 / 6 - 1 / x = 1 / 9 = > 1 / x = 1 / 6 - 1 / 9 = ( 3 - 2 ) / 18 = 1 / 18 = > x = 18 . answer : c" |
openbookqa | obqa_02_03191 | If a person is making laps around a gym, they find that | [
"they are about to be born",
"they are gaining weight",
"their heart starts racing",
"they are getting fatter"
] | C | as energy required for an activity increases , pulse will increase |
medmcqa | medmcqa_05_03152 | Metal needed for function of enolase is: | [
"Magnesisum",
"Calcium",
"Copper",
"Iron"
] | A | Enolase is inhibited by fluoride, and when blood samples are taken for measurement of glucose, it is collected in tubes containing fluoride to inhibit glycolysis. The enzyme is also dependent on the presence of either Mg2+ or Mn2+. The phosphate of phosphoenolpyruvate is transferred to ADP by pyruvate kinase to form tw... |
sciq | sciq_01_01548 | What determines which type of precipitation falls? | [
"air temperature",
"air currents",
"ground temperature",
"air pressure"
] | A | Why does it snow instead of rain? Air temperature determines which type of precipitation falls. Rain falls if the air temperature is above freezing (0° C or 32° F). Frozen precipitation falls if the air or ground is below freezing. Frozen precipitation may fall as snow, sleet, or freezing rain. You can see how the diff... |
medmcqa | medmcqa_05_03254 | In cystic fibrosis, transmembrane conductance regular gene on chromosome | [
"5",
"6",
"7",
"8"
] | C | [Cl (7) (490-Robbins Pathologic Basis of disease 7th) (264-Basic pathology 8th)* The primary defect in cystic fibrosis results from abnormal function of an epithelial chloride channel protein encoded by the cystic fibrosis transmembrane conductance regulator (CFTR) gene on chromosome band 7 q 13.2* CFTR regulates multi... |
sciq | sciq_01_09796 | What type of gas is produced by alcoholic fermentation of the glucose in corn or other plants? | [
"methanol",
"ethanol",
"ethyl",
"isopropyl"
] | B | Have your parents ever put corn in the gas tank of their car? They did if they used gas containing ethanol. Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. This type of fermentation also explains why bread dough rises. Yeasts in bread dough use alcoholic fermentation and produce ca... |
sciq | sciq_01_10174 | Do amphibians and reptiles maintain a constant body temperature? | [
"yes",
"no, they have a higher body temperature than their surroundings",
"no, they have about the same body temperature as their surroundings",
"no, they have a lower body temperature than their surroundings"
] | C | The following figures summarize the basic features of major terrestrial biomes. Think about how its biodiversity and types of plants and animals relate to its climate. For example, why do you think there are no amphibians or reptiles in tundra biomes? (Hint: Amphibians and reptiles cannot maintain a constant body tempe... |
openbookqa | obqa_02_02437 | A year can pass in the time it takes | [
"our globe to circle a heat source",
"to heat up a hot pocket",
"to take off your shoes",
"to wash the dirty dishes"
] | A | a complete revolution of the Earth around the sun takes one Earth year |
sciq | sciq_01_00431 | What is the name of the region of a magnet that has the most pull? | [
"pole",
"tail",
"center",
"grid"
] | A | Imagine a huge bar magnet passing through Earth’s axis, as in the Figure below . This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles. A magnetic pole is the north or south end of a magnet, where the magnet exerts the most force. |
sciq | sciq_01_09504 | What is the source of precipitation? | [
"the sea",
"the atmosphere",
"pollution",
"clouds"
] | B | The atmosphere is a crucial part of the water cycle. It is an important reservoir for water, and the source of precipitation. |
medmcqa | medmcqa_05_03498 | Dobutamine receptor is: | [
"Beta 1",
"Beta 2",
"Alpha 1",
"Alpha 2"
] | A | Ans. (a) Beta 1Ref:KDT 6th ed. /126* Dobutamine is derivative of dopamine, but NOT a D1 or D2 agonist.* Dobutamine is a relatively selective b1 agonist. Though it acts on both alpha and beta receptors, the only prominent action of clinically employed doses is its b1 action, i.e. an increase in force of cardiac contract... |
ARC-Easy | arc_04_01223 | An important rule for students to know when heating a test tube is to | [
"place a cork in the mouth of the test tube.",
"point the mouth of the test tube away from others.",
"hold the test tube loosely with the fingertips.",
"shake the test tube forcefully to keep contents mixed."
] | B | null |
sciq | sciq_01_00030 | Where do angiosperms produce seeds in flowers? | [
"cones",
"testes",
"ovaries",
"germs"
] | C | Seed plants called angiosperms produce seeds in the ovaries of flowers. |
sciq | sciq_01_05520 | Adding a solute does what to the boiling point of a pure solvent? | [
"reduces it",
"increases it",
"silences it",
"no effect"
] | B | Adding a solute increases the boiling point of a pure solvent. This change can be calculated using the equation . |
openbookqa | obqa_02_02067 | Which would reach the other side of a room the fastest? | [
"the world's fastest bird",
"the world's fastest sprinter",
"the light from a flashlight",
"an extremely loud audio signal"
] | C | a flashlight emits light |
ARC-Easy | arc_04_00737 | A marble is dropped in a glass of water. Which force pulls the marble to the bottom of the glass? | [
"electricity",
"friction",
"gravity",
"magnetism"
] | C | null |
math_qa | mathqa_03_01282 | frank the fencemaker needs to fence in a rectangular yard . he fences in the entire yard , except for one full side of the yard , which equals 40 feet . the yard has an area of 240 square feet . how many feet offence does frank use ? | [
"14",
"52",
"54",
"180"
] | B | "area = length x breadth 240 = 40 x breadth so , breadth = 6 units fencing required is - breadth + breadth + length 6 + 6 + 40 = > 52 feet answer must be ( b ) 52" |
sciq | sciq_01_09610 | Most radioactive emissions that people are exposed to are on the order of a few dozen what? | [
"millirems",
"millivolts",
"micrograms",
"ticks"
] | A | rem = rad × factor where factor is a number greater than or equal to 1 that takes into account the type of radioactive emission and sometimes the type of tissue being exposed. For beta particles, the factor equals 1. For alpha particles striking most tissues, the factor is 10, but for eye tissue the factor is 30. Most ... |
openbookqa | obqa_02_03253 | Putting heat on and around something like the following can cause a chemical reaction: | [
"a marble slab",
"carrot cake batter",
"a stone",
"a dirt patch"
] | B | adding heat to an object sometimes causes chemical reactions |
sciq | sciq_01_06368 | If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient? | [
"heat",
"energy",
"sound",
"light"
] | B | 24.4 Energy in Electromagnetic Waves Anyone who has used a microwave oven knows there is energy in electromagnetic waves. Sometimes this energy is obvious, such as in the warmth of the summer sun. Other times it is subtle, such as the unfelt energy of gamma rays, which can destroy living cells. Electromagnetic waves ca... |
openbookqa | obqa_02_03550 | Force causes the speed of an object to do what? | [
"lessen",
"uptick",
"decrease",
"lower"
] | B | force causes the speed of an object to increase |
math_qa | mathqa_03_01843 | the average age of 30 students in a class is 10 years . if teacher ' s age is also included then average increases 1 year then find the teacher ' s age ? | [
"59",
"55",
"61",
"41"
] | D | "total age of 50 students = 30 * 10 = 300 total age of 51 persons = 31 * 11 = 341 age of teacher = 341 - 300 = 41 years answer is d" |
openbookqa | obqa_02_01133 | Cutting down a tree | [
"ceases its ability to grow",
"will cause it to grown 10x bigger",
"will decrease the likelihood of deforestation",
"will cause the tree to flourish"
] | A | if a tree is cut down then that tree will die |
medmcqa | medmcqa_05_03662 | Vitamin required for bone formation as well as coagulation cascade is: | [
"A",
"D",
"E",
"K"
] | D | Vitamin K is the cofactor for g-carboxylation of glutamate residues of protein to produce g-carboxy glutamate (gla). This process is known as Vitamin K epoxide cycle. Clotting factors contain 4 to 6 g-carboxyglutamate residues:- Eg- II VII IX X Protein C Protein S Protein Z Osteocalcin Transthyretin (Prealbumin) |
openbookqa | obqa_02_04930 | What requires nutrients for survival? | [
"buildings",
"rocks",
"badgers",
"clouds"
] | C | an animal requires nutrients for survival |
ARC-Easy | arc_04_00542 | In what type of rock would a geologist most likely find evidence of ancient life? | [
"sedimentary",
"foliated",
"metamorphic",
"volcanic"
] | A | null |
sciq | sciq_01_10541 | Systemic veins return blood low in what to the right atrium? | [
"nutrients",
"nitrogen",
"dioxide",
"oxygen"
] | D | Overview of Systemic Veins Systemic veins return blood to the right atrium. Since the blood has already passed through the systemic capillaries, it will be relatively low in oxygen concentration. In many cases, there will be veins draining organs and regions of the body with the same name as the arteries that supplied ... |
openbookqa | obqa_02_01596 | A boy leaves a circuit in the wall open, then when he goes to turn on the lights | [
"it fails",
"it succeeds",
"it shines",
"it works"
] | A | electricity can not flow through an open circuit |
sciq | sciq_01_00424 | What kind of mountainous formation can often be found near trenches? | [
"volcanoes",
"caves",
"earthquakes",
"craters"
] | A | deep sea trenches : Trenches are found in the sea. Some are near the edges of continents. Trenches are found near chains of active volcanoes. An example is the line of the very deepest blue, off of western South America. |
sciq | sciq_01_06010 | Energy is absorbed as reactants are converted to products in what kind of chemical reaction? | [
"anaphoric",
"hydrostatic",
"synthesis",
"endothermic"
] | D | For an endothermic chemical reaction, energy is absorbed as reactants are converted to products. Exothermic and endothermic reactions can be thought of as having energy as either a product of the reaction or a reactant. Exothermic reactions give off energy, so energy is a product. Endothermic reactions require energy, ... |
medmcqa | medmcqa_05_00775 | Pharmacokinetics is | [
"Includes absorption, distribution, binding / storage/ biotransformation and excretion of the drug",
"Includes physiological and biochemical effects of drugs",
"Application of pharmacological information together with knowledge of the disease",
"Scientific study of drugs in human"
] | A | (Includes absorption, distribution, binding/storage/biotransformation and excretion of the drug) (1-4-KDT 6th)Pharmacokinetics - to discover how the drug is distributed in and disposed of by, the bodyPharmacodynamics - to explore actions relevant to the proposed therapeutic use, and other effects at a range of doses. |
math_qa | mathqa_03_04478 | if a : b : c = 3 : 4 : 7 , then the ratio ( a + b + c ) : c is equal to | [
"2 : 1",
"14 : 3",
"7 : 2",
"1 : 2"
] | A | solution : ( a + b + c ) = 3 + 4 + 7 = 14 and c = 7 then , ( a + b + c ) : c = 2 : 1 . answer : option a |
medmcqa | medmcqa_05_03637 | Residual chlorine of water should be: | [
"1 mg/ltr after 1 hr",
"1 mg/ltr after ½ hr",
"0.5 mg/ltr after 1 hr",
"0.5 mg/ltr after ½ hr"
] | C | Principles of chlorination:
The "chlorine demand" of the water should be estimated. The chlorine demand of the water is the difference between the amount of chlorine added to the water and the amount of residual chlorine remaining at the end of a specific period of contact at a given temperature and pH of the water.
... |
ARC-Easy | arc_04_01305 | How are animals that prey on other animals classified? | [
"herbivores",
"carnivores",
"autotrophs",
"decomposers"
] | B | null |
openbookqa | obqa_02_03508 | Fluid from clouds tends to increase | [
"animal hydration",
"animal perspiration",
"plant thirst",
"animal thirst"
] | A | as the amount of rainfall increases in an area , the amount of available water in that area will increase |
sciq | sciq_01_10413 | What coenzyme is used in the transfer of energy in muscles? | [
"hydrofluoric acid",
"carbolic acid",
"atp or adenozine triphosphate",
"glycogen"
] | C | |
sciq | sciq_01_08114 | What is the name of the life stage when a child becomes sexually mature? | [
"puberty",
"adulthood",
"maturity",
"adolescence"
] | A | Puberty is the stage of life when a child becomes sexually mature. Puberty lasts from about 12 to 18 years of age in boys and from about 10 to 16 years of age in girls. The age when puberty begins is different from one child to another. Children that begin puberty much earlier or later than their peers may feel self-co... |
medmcqa | medmcqa_05_01677 | Most common cause of abnormality in first trimester abortion | [
"Cervical incompetance",
"Chromosomal ahnormolity",
"Placental & membrane abnormality",
"Retroversion"
] | B | (Chromosomal anomaly) (161 - Dutta 6th)Common Causes of AbortionFirst Trimester -1. Genetic factor (50%) of early miscarriage are due to chromosomal abnormality in the conceptus, Autosomal trisomy is the commonest (50%) cytogenic abnormality2. Endocrine disorders (LPD) thyroid abnormalities DM3. Immunological disorders... |
sciq | sciq_01_02603 | What occurs when organisms acquire and pass on new traits from one generation to the next generation? | [
"phenomenon",
"birth",
"evolution",
"variation"
] | C | Evolution occurs as organisms acquire and pass on new traits from one generation to the next generation. Its occurrence over large stretches of time explains the origin of new species and the great diversity of the biological world. Extant species are related to each other through common descent, and products of evolut... |
medmcqa | medmcqa_05_02702 | APC gene is involved in? | [
"Colorectal carcinoma",
"Gastric carcinoma",
"Gastric lymphoma",
"Esophageal adenocarcinoma"
] | A | Ans. is 'a' i.e., Colorectal carcinoma Molecular pathogenesis of colorectal carcinoma* Two distinct genetic pathways have been described, both of which involve the stepwise accumulation of multiple mutations:1) APC/b-Catenin pathway (Adenoma-Carcinoma Sequence)# It accounts for up 80% of sporadic colon tumours. In incl... |
math_qa | mathqa_03_04879 | find the average of first 10 multiples of 7 | [
"35.5",
"37.5",
"38.5",
"40.5"
] | C | "explanation : = 7 ( 1 + 2 + 3 + . . . + 10 ) 10 = 7 ( 10 ( 10 + 1 ) ) 10 × 2 = 7 ( 110 ) 10 × 2 = 38.5 answer : option c" |
ARC-Easy | arc_04_01031 | Which of the following elements is best able to combine with itself and hydrogen [H] to form large molecules? | [
"sodium [Na]",
"lithium [Li]",
"sulfur [S]",
"carbon [C]"
] | D | null |
medmcqa | medmcqa_05_00041 | A chronic wound may be defined as one that fails to heal by | [
"1 week",
"2 weeks",
"3 weeks",
"4 weeks"
] | C | A chronic wound may be defined as one that fails to heal in the expected time for a wound of that type, which is usually less than 3 weeks. Delays in healing can occur at any phase but most often occur in the inflammatory phase.Bailey and love 27e pg: 29 |
medmcqa | medmcqa_05_02869 | Penal code for death sentence is? | [
"300",
"302",
"304",
"306"
] | B | Ans. is 'b' i.e., 302 o 302 IPC: Punishment for murder (death or life imprisonment). o 300 IPC: Murder (defining murder). o 304 IPC: Punishment of culpable homicide, not amounting to murder (10 years imprisonment +- fine). o 306 IPC: Abetment of suicide. |
medmcqa | medmcqa_05_00399 | During insipiration the main current of airflow in a normal nasal cavity is through | [
"Middle pa of the cavity in middle meatus in a parabolic curve",
"Lower pa of the cavity in the inferior meatus in a parabolic curve",
"Superior pa of the cavity in the superior meatus",
"Through olfactory area"
] | A | * During quite respiration inspiratory air current pass through middle pa of the nose between the turbinatcs and nasal septum. * Very little air passes through inferior meatus or olfactory region of the nose. * Therefore weak odorous substances have to be sniffed before they reach olfactory area. * During expiration ai... |
sciq | sciq_01_06195 | What is the name for an underground layer of rock that is saturated with groundwater? | [
"artesian well",
"gradient",
"aqueous cavity",
"aquifer"
] | D | An underground layer of rock that is saturated with groundwater is called an aquifer . A diagram of an aquifer is pictured below ( Figure below ). Aquifers are generally found in porous rock, such as sandstone. Water infiltrates the aquifer from the surface. The water that enters the aquifer is called recharge . |
sciq | sciq_01_01257 | What occurs when there is a sudden discharge of static electricity between a cloud and the ground? | [
"lightning",
"updraft",
"rain",
"wind"
] | A | Lightning occurs when there is a sudden discharge of static electricity between a cloud and the ground. |
medmcqa | medmcqa_05_00592 | Which of the following tests is most sensitive for detecting early diabetic nephropathy | [
"Serum Creatinine",
"Creatinine clearance",
"Microalbuminuria",
"Ultra sonography"
] | C | In the 40% of patients with diabetes who develop diabetic nephropathy ,the earliest manifestation is an increase in abluminuria detected by sensitive radioimmunoassay. Abluminuria in the range of 30-300 mg/24hr is called Microalbuminuria It is currently recommended to test for Microalbuminuria 5 years after diagnosis o... |
math_qa | mathqa_03_00526 | the temperature of a certain cup of coffee 30 minutes after it was poured was 120 degrees fahrenheit . if the temperature f of the coffee t minutes after it was poured can be determined by the formula f = 120 * 2 ^ ( - at ) + 60 , where f is in degrees fahrenheit and a is a constant . then the temperature of the coffee... | [
"65",
"120",
"80",
"85"
] | B | "first , we have to find a . we know that after t = 30 minutes the temperature f = 120 degrees . hence : 120 = 120 * ( 2 ^ - 30 a ) + 60 60 = 120 * ( 2 ^ - 30 a ) 60 / 120 = 2 ^ - 30 a 1 / 2 = 2 ^ - 30 a 2 ^ - 1 = 2 ^ - 30 a - 1 = - 30 a 1 / 30 = a now we need to find f after t = 30 minutes : f = 120 * ( 2 ^ - 1 / 30 *... |
medmcqa | medmcqa_05_03818 | A 45 years old female patient presented painless supraclavicular lymphadenopathy. Biopsy revealed binucleated acidophilic owl eye appearance with floating lymphocytes in empty space, which were CD 15, CD 30 positive. What is the most probable diagnosis? | [
"Lymphocytic predominant Hodgkin lymphoma",
"Nodular sclerosis Hodgkin lymphoma",
"Mixed cellularity Hodgkin lymphoma",
"Lymphocytic depleted lymphoma"
] | B | Lymphocytic depleted lymphoma |
medmcqa | medmcqa_05_01069 | Pain in early labor is limited to dermatomes : | [
"T10 − L1",
"S1 − S3",
"L4 − L5",
"L2 − L3"
] | A | In the early stages of labour pain is mainly uterine in origin because of painful uterine contraction
“The pain of uterine contractions is distributed along the cutaneous nerve distribution of T10 to L1"
In later stages pain is due to dilatation of the cervix.
“The pain of cervical dilatation and stretching is referred... |
medmcqa | medmcqa_05_04770 | Most common symptom of ectopic pregnancy: | [
"Bleeding",
"Pain",
"Abortion",
"Infection"
] | B | Ans. B. PainEctopic pregnancy is characterized by the triad of amenorrhoea, pain and BPV of which the most common symptom is pain. The diagnosis is based on clinical features and ultrasound, though laparoscopy is the gold standard. When diagnosis is in doubt serial estimation of HCG is done over 48 hrs. A rise <66% is ... |
ARC-Challenge | arc_04_02177 | Puddles on a sidewalk are evaporating quickly. What most likely causes the puddles to evaporate? | [
"heat",
"clouds",
"air",
"water"
] | A | null |
sciq | sciq_01_10918 | What can be looked at to see a record of how horses evolved? | [
"carbon dating",
"erosion records",
"pattern records",
"fossil records"
] | D | Evolution of the Horse. The fossil record reveals how horses evolved. |
sciq | sciq_01_08130 | Niche refers to the role a species plays in what? | [
"the ecosystem",
"the habitat",
"reproduction",
"migration"
] | A | The role a species plays in the ecosystem is called its niche. |
openbookqa | obqa_02_00820 | A product of what can travel through a vacuum? | [
"Rigel",
"oil well",
"volcano",
"iceberg"
] | A | light can travel through a vacuum |
math_qa | mathqa_03_01024 | in how many seconds will a train 180 meters long pass an oak tree , if the speed of the train is 36 km / hr ? | [
"14",
"16",
"18",
"20"
] | C | "speed = 36 * 5 / 18 = 10 m / s time = 180 / 10 = 18 seconds the answer is c ." |
medmcqa | medmcqa_05_04394 | Most lateral deep cerebellar nucleus is? | [
"Emboliform nucleus",
"Dentate nucleus",
"Globose nucleus",
"Fastigial nucleus"
] | B | Dentate nucleus REF: Gray's anatomy 39th edition page 398, http://en.wikipedia.org/wiki/Deep_cerebellar_nuclei Repeat in June 2011From lateral to medial, the four deep cerebellar nuclei are the Dentate, Emboliform, Globose, and Fastigial. An easy mnemonic device to remember their names and positions relative to the mid... |
sciq | sciq_01_07872 | What is the matter through which sound waves travel? | [
"mass",
"air",
"medium",
"dust"
] | C | Sound waves are mechanical waves, and mechanical waves can only travel through matter. The matter through which the waves travel is called the medium (plural, media). The Table below gives the speed of sound in several different media. Generally, sound waves travel most quickly through solids, followed by liquids, and ... |
sciq | sciq_01_10175 | Most vascular plants are seed plants, also known as? | [
"bacteria",
"sporozoans",
"fungus",
"spermatophytes"
] | D | Most vascular plants are seed plants, or spermatophytes. They reproduce with seeds and pollen. Some modern seed plants are gymnosperms that produce seeds in cones. |
medmcqa | medmcqa_05_01335 | Not used for erectile dysfunction ? | [
"Beta-blockers",
"Sildenafil",
"PG-E",
"Papaverine"
] | A | Ans. is 'A' i.e., Beta-blockersDrugs used for erectile dysfunction1. Phosphodiesterase-5 inhibitors (Sildenafil, Tadalafil, Vardenafil).By inhibiting PDE-5, these drugs prevent degradation of cGMP and potentiate the action of NO.These are the DOC for pharmacological therapy of erectile dysfunction.2.Alprostadil (Prosta... |
sciq | sciq_01_10534 | What of most species are resistant cells that can survive harsh conditions? | [
"gonads",
"subtypes",
"phenotypes",
"zygotes"
] | D |
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