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_00499 | What do you call the traits that allow a plant, animal, or other organism to survive and reproduce in its environment? | [
"settings",
"advantages",
"additions",
"adaptations"
] | D | Every plant and animal depends on its traits to survive. Survival may include getting food, building homes, and attracting mates. Traits that allow a plant, animal, or other organism to survive and reproduce in its environment are called adaptations . |
medmcqa | medmcqa_05_02958 | Most common site of gastrointestinal carcinoid is - | [
"Duodenum",
"Appendix",
"Ileo-Jejunum",
"Stomach"
] | C | Answer- C. Ileo-JejunumCarcinoid tumors arise from the neuroendocrine cells (Argentaffin cells or Kulchitsky cells).The majority are found in GI tract, and more than,l0% in small intestine (jejunum & ileum).The tracheobronchial tree and lungs are the next common sites involved. |
math_qa | mathqa_03_02794 | two pipes can fill a cistern in 14 and 16 hours respectively . the pipes are opened simultaneously and it is found that due to leakage in the bottom , 32 minutes extra are taken for the cistern to be filled up . if the cistern is full , in what time would the leak empty it ? | [
"110 hours",
"112 hours",
"115 hours",
"100 hours"
] | B | cistern filled by both pipes in one hour = 1 ⁄ 14 + 1 ⁄ 16 = 15 ⁄ 112 th ∴ both pipes filled the cistern in 112 ⁄ 15 hrs . now , due to leakage both pipes filled the cistern in 112 ⁄ 15 + 32 ⁄ 60 = 8 hrs . ∴ due to leakage , filled part in one hour 1 ⁄ 8 ∴ part of cistern emptied , due to leakage in one hour = 15 ⁄ 112... |
math_qa | mathqa_03_03728 | if 85 % of 3 / 5 of a number is 36 , then the number is ? | [
"80",
"100",
"70.5",
"90"
] | C | "let the number be x . then 85 % of 3 / 5 of x = 36 85 / 100 * 3 / 5 * x = 36 x = ( 36 * 100 / 51 ) = 70.5 required number = 70.5 . correct option : c" |
sciq | sciq_01_04562 | In human beings, when a female becomes pregnant, what is fertilized and then embedded in the uterus? | [
"sperm",
"dna",
"follicle",
"egg"
] | D | If the egg is fertilized, the egg makes its way through the fallopian tube into the uterus, where it imbeds into the thick lining. When this occurs, the monthly cycle stops. The monthly cycle does not resume until the pregnancy is over. |
sciq | sciq_01_00610 | Radiation, chemicals, and infectious agents are types of what? | [
"mutations",
"endogenous",
"mutagens",
"dioxins"
] | C | Types of mutagens include radiation, chemicals, and infectious agents. |
math_qa | mathqa_03_01762 | convert 20 miles into yards ? | [
"25630 yards",
"35200 yards",
"39520 yards",
"42560 yards"
] | B | "1 mile = 1760 yards 20 miles = 20 * 1760 = 35200 yards answer is b" |
sciq | sciq_01_05527 | The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what? | [
"layer",
"Skin",
"surface",
"outer"
] | A | The Epidermis The epidermis is composed of keratinized, stratified squamous epithelium. It is made of four or five layers of epithelial cells, depending on its location in the body. It does not have any blood vessels within it (i. , it is avascular). Skin that has four layers of cells is referred to as “thin skin. ” Fr... |
medmcqa | medmcqa_05_04082 | A 50 year old electrician repos pain in his left upper extremity and tingling and numbness in his 4th and 5th digits of his left hand. There is mild swelling of the left hand. The man repos most of his pain and numbness occurs when he is doing electrical work with his arms overhead. X-ray reveals the presence of a cerv... | [
"Axillary aery",
"Brachial aery",
"Brachiocephalic aery",
"Subclan aery"
] | D | The subclan aery passes laterally over the upper surface of the first rib and lies posterior to the scalenus anterior. In the case of thoracic outlet syndrome, this aery is usually compressed between the scalenus anterior and a cervical rib. Thoracic outlet syndrome is a broad term for a group of disorders in which the... |
sciq | sciq_01_02985 | What is the term for the affected factor in an experiment? | [
"dependent variable",
"stable variable",
"multiple variable",
"independent variable"
] | A | Test the hypothesis. Make predictions based on the hypothesis and then determine if they are correct. This may involve carrying out an experiment. An experiment is a controlled scientific test that often takes place in a lab. It investigates the effects of one factor, called the independent variable , on another factor... |
sciq | sciq_01_07212 | What type of sunlight inhibits vertical growth in a plant? | [
"indirect",
"infrared",
"direct",
"reduced"
] | C | |
math_qa | mathqa_03_00374 | a part - time employee whose hourly wage was decreased by 20 percent decided to increase the number of hours worked per week so that the employee ' s total income did not change . by what percent r should the number of hours worked be increased ? | [
"12.5 %",
"20 %",
"25 %",
"50 %"
] | C | "correct answer : c solution : c . we can set up equations for income before and after the wage reduction . initially , the employee earns w wage and works h hours per week . after the reduction , the employee earns . 8 w wage and works x hours . by setting these equations equal to each other , we can determine the inc... |
math_qa | mathqa_03_00336 | if - 3 x + 2 y = 28 and 3 x + 6 y = 84 , what is the product of x and y ? | [
"264 .",
"428",
"0",
"462"
] | C | "given - 3 x + 2 y = 28 - - - eq 1 3 x + 6 y = 84 - - eq 2 sum both eqns we get 8 y = 112 = > y = 14 sum 2 y in eq 1 = > - 3 x - 28 = 28 . = > x = 0 now xy = 0 * 14 = 0 . option c is correct answer ." |
math_qa | mathqa_03_02758 | a call center has two teams . each member of team a was able to process 7 / 5 calls as compared to each member of team b . if team a has 5 / 8 as many number of call center agents as team b , what fraction of the total calls was processed by team b ? | [
"3 / 2",
"3 / 4",
"8 / 15",
"1 / 2"
] | C | "let team b has 8 agents , so team a has 5 agents let each agent of team b picked up 5 calls , so total calls by team b = 40 so , each agent in team a picked up 7 calls , so total calls for team a = 35 fraction for team b = 40 / ( 40 + 35 ) = 8 / 15 = answer = c" |
medmcqa | medmcqa_05_03184 | A 32-year-old high altitude mountaineer is observed to have a hematocrit of 70 percent. Which of the following represents the most likely cause/explanation | [
"Polycythemia with increased red cell mass",
"Relative Polycythemia due to dehydration",
"Polycythemia due to hemoconcentration",
"Polycythemia with high altitude pulmonary edema"
] | A | At high altitude, there can be acute changes and changes due to acclimatization.
Acute mountain sickness
Dyspnoea, dizziness, tiredness, tachycardia, palpitation, nausea, vomiting etc.
At higher altitudes- pulmonary oedema and cerebral oedema may occur.
Acclimatization changes
Hyperventilation leading to respirato... |
medmcqa | medmcqa_05_00784 | Heimlich&;s maneuver is used in | [
"Upper airway obstruction by foreign body",
"BPPV",
"Eustachian tube patency test",
"Tympanic membrane integrity test"
] | A | Heimlich maneuverAbdominal thrusts also called the Heimlich maneuver, is a first aid procedure used to treat upper airway obstruction (or choking) by foreign objects. The Heimlich maneuver is named after Dr. Henry Heimlich, who first described it in 1974.Ref: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg ... |
medmcqa | medmcqa_05_02245 | Autoinfection is NOT seen in: | [
"H. nana",
"H. diminuta",
"Strongyloidosis",
"Taenia solium"
] | B | Autoinfection is seen in- C- Cryptosporidium parvum H- H. nana E- Enterobius vermicularis S- Strongyloides stercoralis T- Taenia solium Reference- Paniker Textbook of Parasitology 8th Ed pg no 148 Q209 Smallest helminth..... Sol- - H-nana (Dwarf tapeworm) - smallest tapeworm with an adult length of 15-44mm - H. diminut... |
medmcqa | medmcqa_05_03088 | The index described by Brooke and Shaw to assess orthodontic treatment need from an anatomical and aesthetic perspective is: | [
"Orthodontic Treatment Priority Index (TPI)",
"Index of Orthodontic Treatment Need (IOTN)",
"Index of Complexity Outcome and Need (ICON)",
"Dental Aesthetic Index (DAI)"
] | B | INDEX OF ORTHODONTIC TREATMENT NEED (IOTN):
The Index of Orthodontic Treatment Needs (IOTN) was described in 1989 by R H. Brook and W.C. Shaw to assess orthodontic treatment need from an anatomical and aesthetic perspective.
Essentials of preventive and community dentistry
Soben Peter
5th edition |
sciq | sciq_01_05079 | What might eventually happen to a species if it is unable to reproduce? | [
"migration",
"natural selection",
"extinction",
"adaptation"
] | C | |
math_qa | mathqa_03_03737 | the ratio between the sale price and the cost price of an article is 10 : 7 . what is the ratio between the profit and the cost price of that article ? | [
"2 : 9",
"2 : 5",
"3 : 7",
"2 : 0"
] | C | "let c . p . = rs . 7 x and s . p . = rs . 10 x . then , gain = rs . 3 x required ratio = 3 x : 7 x = 3 : 7 answer : c" |
sciq | sciq_01_05797 | Abrasion is a process of what type of weathering? | [
"geological",
"molecular",
"mechanical",
"environmental"
] | C | Ice wedging and abrasion are two important processes of mechanical weathering. |
medmcqa | medmcqa_05_02180 | Organism most likely to cause "fever of unknown origin" in a farmer who raises goats - | [
"Brucella melitensis",
"Clostridium novyi",
"Histoplasma capsulatum",
"Mycobacterium tuberculosis"
] | A | Brucella melitensis infection is acquired from goat sheep and camels. |
medmcqa | medmcqa_05_00322 | Raynaud's phenomenon what change is seen in vessels initial stage - | [
"No change (Fibrinoid, Thrombosis)",
"Thrombosis",
"Fibrinoid necrosis",
"Hyaline sclerosis"
] | A | Structural changes in the arterial walls are absent except late in the course, when intimal thickening can appear. |
openbookqa | obqa_02_04822 | cooking food requires adding what? | [
"frozen water",
"scorching power",
"coldness",
"air"
] | B | cooking food requires adding heat energy |
medmcqa | medmcqa_05_03024 | Ability of an orthodontic wire to spring back to its original shape is evaluated by: | [
"Brittleness",
"Resilience",
"Tensile strength",
"Toughness"
] | B | Popularly, the term resilience is associated with springiness, but it means precisely the amount of energy absorbed within a unit volume of a structure when it is stressed to its proportional limit. The resilience of two or more materials can be compared by observing the areas under the elastic region of their stress-s... |
sciq | sciq_01_08959 | Which system is capable of responding quickly to changing situations? | [
"circulatory system",
"endocrine system",
"reproductive system",
"nervous system"
] | D | In addition, endocrine signaling is typically less specific than neural signaling. The same hormone may play a role in a variety of different physiological processes depending on the target cells involved. For example, the hormone oxytocin promotes uterine contractions in women in labor. It is also important in breastf... |
sciq | sciq_01_01718 | What is the most important element to life? | [
"hydrogen",
"carbon",
"oxygen",
"nitrogen"
] | B | Carbon is the most important element to life. Without this element, life as we know it would not exist. As you will see, carbon is the central element in compounds necessary for life-organic compounds. These compounds include carbohydrates, lipids, proteins and nucleic acids. |
sciq | sciq_01_05804 | When the body goes into survival mode, it's first priority is to produce enough of which substance for the brain? | [
"plasma",
"blood",
"insulin",
"glucose"
] | D | Starvation When the body is deprived of nourishment for an extended period of time, it goes into “survival mode. ” The first priority for survival is to provide enough glucose or fuel for the brain. The second priority is the conservation of amino acids for proteins. Therefore, the body uses ketones to satisfy the ener... |
math_qa | mathqa_03_01237 | mary works in a restaurant a maximum of 50 hours . for the first 20 hours , she is paid $ 8 per hour . for each overtime hour , she is paid at a rate which is 25 % higher than her regular rate . how much mary can earn in a week ? | [
"300",
"420",
"460",
"320"
] | C | "mary receives $ 8 ( 20 ) = $ 160 for the first 20 hours . for the 30 overtime hours , she receives $ 8 ( 0.25 ) + $ 8 = $ 10 per hour , that is $ 10 ( 30 ) = $ 300 . the total amount is $ 160 + $ 300 = $ 460 answer c 460 ." |
ARC-Easy | arc_04_01122 | Why does tapping a fork against a water glass produce a sound? | [
"The air expands.",
"The fork releases electrons.",
"The particles in the objects vibrate.",
"The water in the glass forms ripples."
] | C | null |
medmcqa | medmcqa_05_04163 | Spontaneous vertical nystagmus is seen in the lesion of | [
"Midbrain",
"Labyrinth",
"Vestibule",
"Cochlea"
] | A | “Vertical nystagmus means vertical displacement of the eye, not side to side nystagmus when attempting upward or down ward gaze. As defined vertical nystagmus always indicates brainstem dysfunction” |
math_qa | mathqa_03_04090 | the number of diagonals of a polygon of n sides is given by the formula z = n ( n - 3 ) / 2 . if a polygon has twice as many diagonals as sides , how many sides does it have ? | [
"3",
"5",
"6",
"7"
] | B | "z = n ( n - 3 ) z = 2 * n 2 n = n ( n - 3 ) = > 2 = n - 3 = > n = 5 answer b" |
sciq | sciq_01_02375 | Carbon released by burning fossil fuels contributes to what effect in the atmosphere? | [
"shielding effect",
"smog effect",
"greenhouse effect",
"cloud effect"
] | C | Burning of fossil fuels, such as oil, releases carbon into the atmosphere. This carbon must be cycled - removed from the atmosphere - back into living organisms, or it stays in the atmosphere. Increased carbon in the atmosphere contributes to the greenhouse effect on Earth. |
sciq | sciq_01_06132 | Eventually the parent cell will pinch apart to form two identical types of what cells? | [
"son cells",
"brother cells",
"daughter cells",
"father cells"
] | C | Cell division is relatively simple in prokaryotic cells. The two cells divide by binary fission. Green and orange lines indicate old and newly-generated bacterial cell walls, respectively. Eventually the parent cell will pinch apart to form two identical daughter cells. Left, growth at the center of bacterial body, suc... |
math_qa | mathqa_03_02293 | the h . c . f . of two numbers is 23 and the other two factors of their l . c . m . are 13 and 14 . the larger of the two numbers is : | [
"276",
"299",
"322",
"345"
] | C | "clearly , the numbers are ( 23 x 13 ) and ( 23 x 14 ) . larger number = ( 23 x 14 ) = 322 . answer : option c" |
medmcqa | medmcqa_05_01363 | Which of the following arrhythmias is most likely to be heritable? | [
"Sho Q-T syndrome",
"Long Q-T syndrome",
"Ventricular ectopic",
"WPW Syndrome"
] | B | Long Q-T syndrome. The genetic basis of heritable arrhythmias, most notably the long Q-T syndromes, has been linked to mutations of genes coding for subunits of cardiac potassium and sodium channeis. |
sciq | sciq_01_07551 | What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material? | [
"stars",
"quasars",
"neutrinos",
"pulsars"
] | B | the history of galactic evolution has been, and the nature of space in their vicinity. However, so many black holes are now known that correlations between black hole mass and galactic nuclei characteristics are being studied. What is the mechanism for the energy output of quasars? These distant and extraordinarily ene... |
sciq | sciq_01_07127 | What is required for communication? | [
"weight and reception of signals",
"transmission and weight of signals",
"lack and reception of signals",
"transmission and reception of signals"
] | D | |
medmcqa | medmcqa_05_02325 | Horse shoe kidney lies below the level of: | [
"Coeliac trunk",
"Superior mesenteric aery",
"Inferior mesenteric aery",
"Median sacral aery"
] | C | Inferior mesenteric aery |
ARC-Easy | arc_04_02036 | What goal does taxonomy accomplish? | [
"explains the differences between living organisms",
"classifies living organisms into groups",
"predicts the types of undiscovered organisms",
"establishes relationships of organisms with their habitats"
] | B | null |
sciq | sciq_01_08305 | Humans and other animals can suffer from diets lacking in what essential "ingredients"? | [
"liquids",
"fiber",
"steroids",
"nutrients"
] | D | |
math_qa | mathqa_03_04622 | due to construction , the speed limit along an 9 - mile section of highway is reduced from 55 miles per hour to 25 miles per hour . approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ? | [
"a",
"b",
"c",
"d"
] | A | "old time in minutes to cross 9 miles stretch = 9 * 60 / 55 = 9 * 12 / 11 = 9.81 new time in minutes to cross 9 miles stretch = 9 * 60 / 25 = 9 * 12 / 5 = 21.6 time difference = 11.79 ans : a" |
sciq | sciq_01_02140 | The intensity or rate of radiation emission _________ with temperature? | [
"randomly fluctuates",
"decreases",
"does not vary",
"increases"
] | D | Figure 29.3 Graphs of blackbody radiation (from an ideal radiator) at three different radiator temperatures. The intensity or rate of radiation emission increases dramatically with temperature, and the peak of the spectrum shifts toward the visible and ultraviolet parts of the spectrum. The shape of the spectrum cannot... |
sciq | sciq_01_07323 | Why do waves travel faster through solids? | [
"particles closer together",
"particles range together",
"particles pipe together",
"particles fuse together"
] | A | The speed of most waves depends on the medium, or the matter through which the waves are traveling. Generally, waves travel fastest through solids and slowest through gases. That’s because particles are closest together in solids and farthest apart in gases. When particles are farther apart, it takes longer for the ene... |
medmcqa | medmcqa_05_02269 | Spine of Henle is a: | [
"Coical bone",
"Cancellous bone",
"Sclerotic bone",
"Long bone with Haversian system"
] | B | Spine of henle is a pa of mastoid bone. Mastoid is a spongy or cancellous bone, hence spine of henle is also cancellous. |
medmcqa | medmcqa_05_03289 | Primary amenorrhea with absent uterus, normal breasts and scanty pubic hair is seen in: | [
"Mayer Rokitansky Kuster Hauser Syndrome",
"Turner Syndrome",
"Noonan Syndrome",
"Testicular feminizing syndrome"
] | D | Ans. is d, i.e. Testicular feminizing syndromeRef: Novak 14th/ed, p1037-1038The patient is presenting with primary amenorrhea along with well developed breast and scanty pubic hair and axillary hair -leave no doubt regarding Testicular feminizing syndrome as the diagnosis. |
openbookqa | obqa_02_00343 | An example of weathering is | [
"a smooth sandy beach",
"a smooth river stone",
"a tall pine tree",
"a large sharp boulder"
] | B | weathering means breaking down surface materials from larger whole into smaller pieces by weather |
openbookqa | obqa_02_00524 | Which of the following crops was the first staple in the human diet? | [
"wheat",
"barley",
"corn",
"rice"
] | A | humans eat crops |
openbookqa | obqa_02_03632 | Which acts as an insulator for electricity? | [
"A metal ring",
"A battery",
"A door hinge",
"Beeswax"
] | D | wax is an electrical energy insulator |
math_qa | mathqa_03_03798 | how long will a boy take to run round a square field of side 20 meters , if he runs at the rate of 12 km / hr ? | [
"52 sec",
"45 sec",
"60 sec",
"24 sec"
] | D | "speed = 12 km / hr = 12 * 5 / 18 = 10 / 3 m / sec distance = 20 * 4 = 80 m time taken = 80 * 3 / 10 = 24 sec answer is d" |
sciq | sciq_01_01817 | In police radar, a radar gun sends out short bursts of which waves? | [
"electrodes",
"microwaves",
"photons",
"soundwaves"
] | B | Radar stands for ra dio d etection and r anging. In police radar, a radar gun sends out short bursts of microwaves. The microwaves reflect back from oncoming vehicles and are detected by a receiver in the radar gun. The frequency of the reflected waves is used to compute the speed of the vehicles. Radar is also used fo... |
math_qa | mathqa_03_03744 | a chemist mixes one liter of pure water with x liters of a 75 % salt solution , and the resulting mixture is a 15 % salt solution . what is the value of x ? | [
"1 / 4",
"1 / 3",
"1 / 2",
"1"
] | A | "concentration of salt in pure solution = 0 concentration of salt in salt solution = 75 % concentration of salt in the mixed solution = 15 % the pure solution and the salt solution is mixed in the ratio of - - > ( 75 - 15 ) / ( 15 - 0 ) = 4 / 1 1 / x = 4 / 1 x = 1 / 4 answer : a" |
sciq | sciq_01_00230 | What organism is characterized by an incomplete digestive system and a single, tentacled opening? | [
"cnidarians",
"prokaryotes",
"sponges",
"annelids"
] | A | Cnidarians have an incomplete digestive system with a single opening. The opening is surrounded by tentacles, which are covered with nematocyst cells and used to capture prey. Digestion takes place in the digestive cavity. Nutrients are absorbed and gases are exchanged through the cells lining this cavity. Fluid in the... |
math_qa | mathqa_03_02721 | a 450 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec . what is the length of the platform ? | [
"600",
"525",
"360",
"370"
] | B | "speed = 450 / 18 = 25 m / sec . let the length of the platform be x meters . then , ( x + 450 ) / 39 = 25 = > x = 975 m . l = 975 - 450 = 525 answer : option b" |
math_qa | mathqa_03_03926 | a certain fraction has the same ratio to 1 / 18 , as 2 / 5 does to 2 / 9 . what is this certain fraction ? | [
"1 / 5",
"1 / 7",
"1 / 10",
"1 / 12"
] | C | "x / ( 1 / 18 ) = ( 2 / 5 ) / ( 2 / 9 ) x = 2 * 9 * 1 / 18 * 5 * 2 = 1 / 10 the answer is c ." |
sciq | sciq_01_08833 | Once classified as plants, fungi have chitin rather than cellulose in what cell structures? | [
"mitochondria",
"cell ridges",
"cell walls",
"platelets"
] | C | Fungi used to be classified as plants. Now, they are known to have unique traits that set them apart from plants. For example, their cell walls contain chitin, not cellulose, and fungi absorb food rather than make their own. Below the level of the kingdom, fungi classification is controversial. |
sciq | sciq_01_07143 | What makes the halogen group so diverse? | [
"a single state of matter",
"bonds easily",
"contains alloys",
"three different states of matter"
] | D | The halogen group is quite diverse. It includes elements that occur in three different states of matter at room temperature. Fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. Halogens also vary in color, as you can see in the Figure below . Fluorine and chlorine are green, bromin... |
medmcqa | medmcqa_05_02139 | Location Hasner's of valve? | [
"Opening of nasolacrimal duct",
"Sphenoidal sinus opening",
"Frontal sinus opening",
"Ethmoidal sinus opening"
] | A | Opening of nasolacrimal ductNasolacrimal duct opens into inferior meatus and is closed by a mucosal flap called Hasner's valve |
sciq | sciq_01_04557 | What is the part of the flower that produces pollen? | [
"leaves",
"cones",
"stamen",
"stigma"
] | C | stamens The part of the flower that produces pollen. |
sciq | sciq_01_02602 | Regulation of the reproductive system is a process that requires the action of hormones from which gland? | [
"pituitary gland",
"thyroid gland",
"salivary gland",
"adrenal gland"
] | A | Hormonal Regulation of the Reproductive System Regulation of the reproductive system is a process that requires the action of hormones from the pituitary gland, the adrenal cortex, and the gonads. During puberty in both males and females, the hypothalamus produces gonadotropin-releasing hormone (GnRH), which stimulates... |
math_qa | mathqa_03_04380 | the side of a rhombus is 24 m and length of one of its diagonals is 18 m . the area of the rhombus is ? | [
"410.47",
"403.47",
"420.47",
"400.47"
] | D | "area of the rhombus = 1 / 2 * p * √ 4 ( a ) 2 - ( p ) 2 a = 24 ; p = 18 a = 1 / 2 * 18 * √ 4 ( 24 ) 2 - ( 18 ) 2 = 1 / 2 * 18 * √ 2304 - 324 = 1 / 2 * 18 * √ 1980 a = 400.47 answer : d" |
sciq | sciq_01_08182 | What can be formed by converging light rays behind a lens, onto a piece of film? | [
"a kaleidoscope",
"a mirror",
"a photograph",
"a prism"
] | C | When light rays converge behind a lens, a real image is formed. Real images are useful in that you can place photographic film at the physical location of the real image, expose the film to the light, and make a two-dimensional representation of the world, a photograph. |
math_qa | mathqa_03_03247 | tom read a book containing 100 pages by reading the same number of pages each day . if he would have finished the book 10 days earlier by reading 30 pages a day more , how many days did tom spend reading the book ? | [
"7",
"7.68",
"8",
"9"
] | B | actually u can set up 2 equation p - - stands for the pages d - - stands for the days 1 ) p * d = 100 ( we want to find the days , sop = 100 / d ) 2 ) ( p + 30 ) ( d - 10 ) = 100 = > pd - 10 p + 30 d - 300 = 100 as the 1 ) stated u can put 1 ) into 2 ) = > 100 - 10 p + 30 d - 300 = 100 = > 30 d - 10 p = 100 put the bol... |
sciq | sciq_01_03284 | Which species in class insecta has three body segments, six jointed legs, and multiple head appendages? | [
"arthropod",
"mollusc",
"arachnid",
"sauropod"
] | A | arthropod in Class Insecta that has three body segments, six jointed legs, and multiple head appendages. |
math_qa | mathqa_03_03951 | a jogger running at 9 km / hr along side a railway track is 240 m ahead of the engine of a 120 m long train running at 27 km / hr in the same direction . in how much time will the train pass the jogger ? | [
"76 sec",
"72 sec",
"98 sec",
"36 sec"
] | B | "speed of train relative to jogger = 27 - 9 = 18 km / hr . = 18 * 5 / 18 = 5 m / sec . distance to be covered = 240 + 120 = 360 m . time taken = 360 / 5 = 72 sec . answer : b" |
sciq | sciq_01_06125 | What is the condition of a plant in which the fluid in a cell exerts a pressure against the cell wall? | [
"constriction",
"hydration",
"tumor",
"turgor"
] | D | called the relative osmotic pressure if neither solution is pure water, and it is called the osmotic pressure if one solution is pure water. Osmotic pressure can be large, depending on the size of the concentration difference. For example, if pure water and sea water are separated by a semipermeable membrane that passe... |
sciq | sciq_01_00980 | Unlike plants, animal species rely almost exclusively on what type of reproduction? | [
"regeneration",
"pollination",
"sexual reproduction",
"multiplication"
] | C | Introduction Plants have evolved different reproductive strategies for the continuation of their species. Some plants reproduce sexually, and others asexually, in contrast to animal species, which rely almost exclusively on sexual reproduction. Plant sexual reproduction usually depends on pollinating agents, while asex... |
openbookqa | obqa_02_03462 | Humidity is the amount of what vapor in the air? | [
"wind",
"humidifier",
"cold",
"h2o"
] | D | humidity is the amount of water vapor in the air |
openbookqa | obqa_02_03379 | A skunk produces a bad what? | [
"job",
"plastic",
"energy",
"nose experience"
] | D | a skunk produces a bad odor |
openbookqa | obqa_02_03698 | A pepper would be hottest if it was | [
"defecated into a bottle by a yeti",
"frozen in a commercial freezer",
"left it in the sun",
"eaten by a super model"
] | C | absorbing sunlight causes objects to heat |
ARC-Easy | arc_04_00751 | Several dinosaur bones are discovered buried in volcanic ash. The type of dinosaur can best be identified by | [
"knowing the location where the fossils were found.",
"establishing an inventory of bones collected.",
"comparing to characteristics of known dinosaurs.",
"knowing the absolute age of the fossils."
] | C | null |
openbookqa | obqa_02_04249 | Bobby had a new toy. It had lots of buttons on it. One of the buttons had a picture of a cow on it and every time Bobby pushed that button the toy would make a mooing noise. That's because | [
"a circuit was opened up when he pressed the button",
"His new toy was possessed",
"a cow was inside of the toy",
"a circuit was made intact when the button was pressed"
] | D | pushing a button sometimes completes a circuit |
medmcqa | medmcqa_05_04745 | In a child with suspected diagnosis of epiglottitis, indicate your first line of treatment: | [
"Order an X-ray of soft tissue lateral view neck to establish the diagnosis",
"Take throat swab and blood culture and start intravenous fluids",
"Perform a laryngoscopy",
"Secure an airway by intubation"
] | D | In epiglottitis, the epiglottis and aryepiglottic folds are swollen obstructing the airway. Any attempt to disturb the child such as taking throat swab, blood culture, starting I/V lines may precipitate respiratory obstruction.Treatment is directed to airway establishment. Child is taken to operation room, anaesthetise... |
sciq | sciq_01_02886 | Experiments show that each o2 molecule has two unpaired what? | [
"electrons",
"neutrons",
"protons",
"quarks"
] | A | Experiments show that each O2 molecule has two unpaired electrons. The Lewis-structure model does not predict the presence of these two unpaired electrons. Unlike oxygen, the apparent weight of most molecules decreases slightly in the presence of an inhomogeneous magnetic field. Materials in which all of the electrons ... |
medmcqa | medmcqa_05_03258 | a renal mass seen on prenatal check up is most probably- | [
"Wilm’stumor",
"Mesoblastic nephroma",
"Neuroblastoma",
"Renal sarcoma"
] | B | (Refer: Nelson’s Textbook of Pediatrics, SAE, 1st edition, pg no. 2467)
Prental renal tumours
Enlargement of a kidney on prenatal imaging is usually due to hydronephrosis or a cystic renal enlargement, such as multicystic dysplastic kidney or polycystic disease
Solid tumors of the kidneys are rarely seen in the ante... |
medmcqa | medmcqa_05_04568 | Most common site of splenic implant in abdomen - | [
"Stomach",
"Tail of pancreas",
"Peritoneal cavity",
"Suprarenal gland"
] | C | Answer- C. Peritoneal cavityHeteopic splenic implant (splenosis) may occur in the peritoneal cavity, after splenic trauma or splenectomy.Splenosis is autotransplantation of splenic tissue after disruption of splenic capsule by trauma or surgery.Most common areas of implantalion are peritoneum, omentum and mesentry. |
math_qa | mathqa_03_04394 | if in a race of 130 m , a covers the distance in 20 seconds and b in 25 seconds , then a beats b by : | [
"20 m",
"26 m",
"11 m",
"10 m"
] | B | "explanation : the difference in the timing of a and b is 5 seconds . hence , a beats b by 5 seconds . the distance covered by b in 5 seconds = ( 130 * 5 ) / 25 = 26 m hence , a beats b by 26 m . answer b" |
medmcqa | medmcqa_05_00917 | Vessels catheterized on carotid angiography are: | [
"2 external carotids and 2 veebral",
"2 internal carotids and 2 veebral",
"2 internal carotids and 1 veebral",
"2 external carotids and 1 veebral"
] | C | Ans. 2 internal carotids and 1 veebral |
sciq | sciq_01_11470 | Labor is the muscular contractions to expel the fetus and placenta from where? | [
"uterus",
"tumors",
"lungs",
"anus"
] | A | Visit this website (http://openstaxcollege. org/l/embryo_fetus2) to see the stages of human fetal development. Labor is the muscular contractions to expel the fetus and placenta from the uterus. Toward the end of the third trimester, estrogen causes receptors on the uterine wall to develop and bind the hormone oxytocin... |
sciq | sciq_01_06845 | What helps screen libraries for a gene of interest using nucleic acid hybridization? | [
"cellular acid probe",
"nucleic acid probe",
"proteins acid probe",
"mitochondrial acid probe"
] | B | |
medmcqa | medmcqa_05_00483 | Glucagon hydrochloride is used in poisoning of: | [
"Beta blocker",
"Calcium channel blocker",
"Tricyclic antidepressants",
"SSRI"
] | A | Ref: Basic tPS Clinical Pharmacology by Katzung Twelfth Edition p.1033Explanation:Common Antidotes (See table below)* 5-10 mg IV bolus of glucagon may reverse hypotension and bradycardiaCommon AntidotesAntidotePoisonAcetylcysterne AtropineAcetaminophenAnticholinesteraseintoxication:OrganophosphatesCarbamatesBicarbonate... |
medmcqa | medmcqa_05_00319 | Leading cause of death in CLL is? | [
"Infections",
"Bleeding",
"Meningeal and ventricular extension",
"DIC"
] | A | Infections are a leading cause death in patients with CLL Abnormalities in cellular and humoral immunity leading to the immune dysfunction patients are at risk for both typical and atypical infections. Most CLL therapies can increase infection risk. Hence prophylaxis for Pneumocystis pneumonia and viral infections is i... |
sciq | sciq_01_01005 | What three characteristics do waves have? | [
"reflection, refraction and deflection",
"theory , refraction and deflection",
"spin, refraction, and deflection",
"structure , refraction and deflection"
] | A | Most waves approach the shore at an angle. The part of the wave that is nearer the shore reaches shallow water sooner than the part that is farther out. The shallow part of the wave "feels" the bottom first. This slows down the inshore part of the wave and makes the wave "bend. " This bending is called refraction . |
medmcqa | medmcqa_05_03573 | Intact cornea can be penetrated by | [
"Gonococcus",
"Pseudomonas",
"Streptococcus",
"Pneumococcus"
] | A | A few species of bacteria are capable of penetrating an intact corneal epithelium -
i. Neisseria gonorrhoea
ii. Corynebacterium diphtheriea
iii. Haemophilus agyptus
iv. Neisseria meningitidis
v. Listeria species Bacteria which cause comeal ulcer after epithelial injuries are -
i. Pseudomonas
ii. Pneumococcus
iii. Sta... |
sciq | sciq_01_03393 | What two basic types of feather does a bird have? | [
"up and down",
"carrying and down",
"flight and landing",
"flight and down"
] | D | Feathers help birds fly and also provide insulation and serve other purposes. Birds actually have two basic types of feathers: flight feathers and down feathers. Both are shown in Figure below . Flight feathers are long, stiff and waterproof. They provide lift and air resistance without adding weight. Down feathers are... |
sciq | sciq_01_00413 | Which type of ferns have yellow sporangia and no leaves? | [
"Boston fern",
"Ostrich fern",
"whisk ferns",
"Hothouse fern"
] | C | Forest and Kim Starr/Starr Environmental. Whisk ferns have yellow sporangia and no leaves . CC BY 3.0. |
math_qa | mathqa_03_01008 | if log 0.318 = 0.3364 and log 0.317 = 0.33320 then log 0.319 = ? | [
"0.33365",
"0.3368",
"0.3396",
"0.3369"
] | C | log 0.318 / log 0.317 = log ( 0.318 - 0.317 ) = log 0.001 = 0.3364 / 0.33320 = 1.0096 now , log 0.318 * log 0.001 = log ( 0.318 + 0.001 ) = log 0.319 = 0.3364 * 1.0096 = 0.3396 so option c answer : c |
openbookqa | obqa_02_04058 | On what product might you find a reflector? | [
"Xbox",
"Toyota",
"Samsung",
"Apple"
] | B | a reflector is used to reflect light especially on vehicles |
math_qa | mathqa_03_01085 | how much greater is the combined area in square inches of the front and back of a rectangular sheet of paper measuring 11 inches by 17 inches than that of a rectangular sheet of paper measuring 8.5 inches by 11 inches ? | [
"50 %",
"87 %",
"100 %",
"187 %"
] | C | "area of sheet a = 11 * 17 area of sheet b = 11 * 8.5 difference in area = 11 * 8.5 required % = ( 11 * 8.5 ) * 100 / ( 11 * 8.5 ) % = 100 % answer : c" |
sciq | sciq_01_00173 | When electrons return to a lower energy level, they emit the excess energy in the form of what? | [
"energy",
"electricity",
"light",
"weight"
] | C | When electrons return to a lower energy level, they emit energy in the form of light. |
math_qa | mathqa_03_00700 | a car takes 6 hours to cover a distance of 432 km . how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ? | [
"48 kmph",
"50 kmph",
"52 kmph",
"56 kmph"
] | A | "time = 6 distence = 432 3 / 2 of 6 hours = 6 * 3 / 2 = 9 hours required speed = 432 / 9 = 48 kmph a" |
openbookqa | obqa_02_03369 | The most common way for a glass to break is when someone is holding it and then drops it, which makes it what to the ground | [
"cries",
"plunge",
"Sells",
"laughs"
] | B | dropping something causes that something to fall |
openbookqa | obqa_02_01340 | If you're in the North Pole the North Star may be visible when? | [
"a weed",
"two months",
"a day",
"all year round"
] | D | the Earth revolving around the sun causes stars to appear in different areas in the sky at different times of year |
sciq | sciq_01_06067 | What determines whether a volcanic eruption will be explosive or not? | [
"thickness of magma",
"lava temperature",
"magma velocity",
"curve of magma"
] | A | Volcanic eruptions can be non-explosive or explosive depending on the thickness of the magma. |
ARC-Easy | arc_04_01377 | Which of the following is most responsible for the decay of dead organisms? | [
"water",
"mammals",
"microorganisms",
"nitrogen"
] | C | null |
sciq | sciq_01_10582 | What type of cells are flagella rare in? | [
"synthetic",
"cancer.",
"intracellular",
"eukaryotic"
] | D | Some bacteria also have tail-like structures called flagella ( Figure below ). Flagella help bacteria move. As the flagella rotate, they spin the bacteria and propel them forward. It is often said the flagella looks like a tiny whip, propelling the bacteria forward. Though some eukaryotic cells do have a flagella, a fl... |
sciq | sciq_01_08962 | What are metals and good electrical conductors that tend to lose their valence electrons in chemical reactions called? | [
"precious metals",
"stable metals",
"reductants",
"conservants"
] | C | Electronegativity Differences between Metals and Nonmetals An element’s electronegativity provides us with a single value that we can use to characterize the chemistry of an element. Elements with a high electronegativity (χ ≥ 2.2 in Figure 7.15 "Pauling Electronegativity Values of the ") have very negative affinities ... |
sciq | sciq_01_07785 | Convection in which part of the earth drives the movement of the plates of lithosphere over the earth’s surface? | [
"atmosphere",
"ocean",
"mantle",
"upper crust"
] | C | Convection in the mantle drives the movement of the plates of lithosphere over the Earth’s surface. New oceanic crust forms at the ridge and pushes the older seafloor away from the ridge horizontally. |
sciq | sciq_01_00161 | What type of pressure is the pressure exerted by gas particles in earth’s atmosphere as those particles collide with objects? | [
"adjacent pressure",
"atmospheric pressure",
"vertical pressure",
"adjacent pressure"
] | B | Atmospheric pressure is the pressure exerted by gas particles in Earth’s atmosphere as those particles collide with objects. A barometer is an instrument used to measure atmospheric pressure. A traditional mercury barometer consists of an evacuated tube immersed in a container of mercury. Air molecules push down on the... |
math_qa | mathqa_03_03954 | how many digits are required to write numbers between 1 to 100 . | [
"196",
"158",
"192",
"200"
] | C | "explanation : single digits are from 1 to 9 = 9 digits doubt digits are from 10 to 99 = 90 x 2 = 180 digits 100 needs 3 digits . total 192 digits correct option : c" |
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