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 ⌀ |
|---|---|---|---|---|---|
medmcqa | medmcqa_05_00398 | Which of the following is the most likely cause of pulpal necrosis following trauma to a tooth? | [
"Ankylosis",
"Calcific metamorphosis",
"Pulpal hyperemia",
"Dilaceration"
] | C | The other three answers may occur as the result of trauma but do not cause loss of vitality. Pulpal hyperemia causes increased intrapulpal pressure and swelling, which may result in an interruption of the pulp’s blood supply. Without an adequate blood supply, the pulp becomes necrotic. This process can take time, and s... |
medmcqa | medmcqa_05_02457 | In which case cystometric study is indicated | [
"Neurogenic bladder",
"Stress incontinence",
"Fistula",
"Urge incontinence"
] | A | Cystometric studies are urodynamic studies in which the pressure changes in the bladder is simultaneously measured with bladder filling and during micturition. It helps in accurate assessment of detrusor and sphincter activity especially if a neurogenic abnormality is suspected. Though it is also used in stress inconti... |
ARC-Challenge | arc_04_02468 | Carbon dioxide emissions have increased due to large numbers of automobiles and increased industrialization. Which of the following has been most affected by the increase in carbon dioxide levels? | [
"the ability of farmers to plant crops",
"the ability of scientists to study other planets",
"the ability of Earth to continue recycling rocks",
"the ability of Earth to maintain lower temperatures"
] | D | null |
sciq | sciq_01_01194 | The lack of annihilation radiation coming to us from space proves that the universe is dominated by what? | [
"vacuum",
"energy",
"space",
"matter"
] | D | Making Connections: Cosmology and Particle Physics There are many connections of cosmology—by definition involving physics on the largest scale—with particle physics—by definition physics on the smallest scale. Among these are the dominance of matter over antimatter, the nearly perfect uniformity of the cosmic microwav... |
openbookqa | obqa_02_04922 | If a liquid disappears then that liquid probably did what? | [
"gasify",
"condense",
"melted",
"solidified"
] | A | if a liquid disappears then that liquid probably evaporated |
sciq | sciq_01_07471 | Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for? | [
"back mother",
"difficult mother",
"tough mother",
"protecting mother"
] | C | Dura Mater Like a thick cap covering the brain, the dura mater is a tough outer covering. The name comes from the Latin for “tough mother” to represent its physically protective role. It encloses the entire CNS and the major blood vessels that enter the cranium and vertebral cavity. It is directly attached to the inner... |
ARC-Easy | arc_04_01350 | A student is designing a model of the solar system and writing a report. She is trying to be as accurate as possible. Which statement should she include in her report? | [
"The distance between the Sun and Earth is measured in light years.",
"Jupiter and Uranus are considered to be terrestrial planets.",
"The asteroid belt is located between Jupiter and Saturn.",
"The orbit of Mars is similar to the orbit of Saturn."
] | D | null |
ARC-Easy | arc_04_00797 | When sound waves with large amplitude are compared to sound waves with small amplitude, which of the following is true? | [
"Sound waves with large amplitudes have less energy and sound quieter.",
"Sound waves with large amplitudes have more energy and sound louder.",
"Sound waves with large amplitudes have the same energy and sound quieter.",
"Sound waves with large amplitudes have the same energy and sound louder."
] | B | null |
medmcqa | medmcqa_05_04548 | Type I hypersensitivity, the mediator is: | [
"IgE",
"IgE",
"IgM",
"IgC"
] | A | [A) (IgE) (161-AN 7th) (202-206-CP)Type of reactionClinical syndromeMediatorsType I - IgE1. Anaphylaxis2. Atopy P.K. reactionIgE, histamine and other pharmacological agents |
medmcqa | medmcqa_05_01164 | Minimum nitrogen required for an adult with dynamic tissue turnover to maintain a positive nitrogen balance is | [
"3.5-4.5 g",
"5.5-6.5 g",
"7.5-8.5 g",
"9.5-10.5 g"
] | B | .minimum nitrogen required for an adult with dynamic tissue turnover to maintain a positive nitrogen balance is about 5.5 to 6.5 g.* Glucose requirement is 200 g per day; fat requirement is 200 g per week; nitrogen (protein) requirement is 0.15 g/kg per day. Nitrogen need increases to 0.25 g/kg/day in hyper catabolic s... |
openbookqa | obqa_02_00022 | You would use a seismometer if | [
"A mysterious rumble off the coast of Japan",
"Someone farted in class",
"Kids were stomping on the floor",
"to track the buzz of a bee"
] | A | a seismometer is used to measure the strength or magnitude of an earthquake |
ARC-Challenge | arc_04_03021 | Which of the following is NOT a description of compounds? | [
"They can exist in the form of atoms or molecules.",
"They consist of atoms of two or more elements bonded together.",
"They have properties that are different from their component elements.",
"They can be broken down into elements by chemical means but not physical means."
] | A | null |
medmcqa | medmcqa_05_02824 | Changes in which amyloid structure makes it insoluble? | [
"Primary",
"Secondary",
"Tertiary",
"Quaternary"
] | B | Ans. is 'b' i.e., Secondary * Amyloid is a protein that has an alteration in its secondary structure which imparts it a particular insoluble form, called the beta-pleated sheet conformation.* Amyloid material is composed of two components -i) Major component (95%) - Fibril amyloid protein.ii) Minor components (5%) - P-... |
sciq | sciq_01_05450 | Which common oxidizing agent can be used to oxidize alcohols? | [
"hydrogen dichromate",
"potassium chloride",
"potassium dichromate",
"hydrogen chloride"
] | C | Oxidation-reduction reactions are of central importance in organic chemistry and biochemistry. The burning of fuels that provides the energy to maintain our civilization and the metabolism of foods that furnish the energy that keeps us alive both involve redox reactions. All combustion reactions are also redox reaction... |
math_qa | mathqa_03_02096 | 7 machines at a certain factory operate at the same constant rate . if 6 of these machines , operating simultaneously , take 42 hours to fill a certain production order , how many fewer hours does it take all 7 machines , operating simultaneously , to fill the same production order ? | [
"3",
"4",
"5",
"6"
] | D | the total work is 6 * 42 = 252 machine hours the time required for seven machines is 252 / 7 = 36 hours , thus 6 fewer hours . the answer is d . |
ARC-Easy | arc_04_00806 | Which object is nonliving? | [
"bear",
"bicycle",
"bird",
"butterfly"
] | B | null |
ARC-Challenge | arc_04_02533 | Lighting a match and baking a cake are two actions that involve chemical changes. Why are these actions considered chemical changes? | [
"They change the state of matter.",
"They create new substances.",
"They change volume.",
"They create energy."
] | B | null |
math_qa | mathqa_03_03146 | a certain bus driver is paid a regular rate of $ 16 per hour for any number of hours that does not exceed 40 hours per week . for any overtime hours worked in excess of 40 hours per week , the bus driver is paid a rate that is 75 % higher than his regular rate . if last week the bus driver earned $ 752 in total compens... | [
"36",
"40",
"44",
"48"
] | C | "for 40 hrs = 40 * 16 = 640 excess = 752 - 640 = 112 for extra hours = . 75 ( 16 ) = 12 + 16 = 28 number of extra hrs = 112 / 28 = 28 / 7 = 4 total hrs = 40 + 4 = 44 answer c 44" |
sciq | sciq_01_01497 | Fungi are no longer classified as what, possessing cell walls made of chitin rather than cellulose? | [
"plants",
"flowers",
"roots",
"eukaryotes"
] | A | Today, fungi are no longer classified as plants. We now know that they have unique physical, chemical, and genetic traits that set them apart from plants and other eukaryotes. For example, the cell walls of fungi are made of chitin , not cellulose. Also, fungi absorb nutrients from other organisms, whereas plants make ... |
sciq | sciq_01_07089 | What are surface currents generally caused by? | [
"major steam belts",
"minor wind belts",
"major wind belts",
"major humidity belts"
] | C | Like air in the atmosphere, ocean water moves in currents. A current is a stream of moving water that flows through the ocean. Surface currents are caused mainly by winds but not daily winds. Surface currents are caused by the major wind belts. These winds blow in the same direction all the time. So they can keep water... |
ARC-Challenge | arc_04_02835 | The radioactive isotope content of a rock can be used to identify which property of the rock? | [
"the total mass of the rock",
"the rate at which the rock formed",
"the types of fossils that the rock contains",
"the amount of time passed since the rock formed"
] | D | null |
ARC-Easy | arc_04_01051 | Which of these tectonic plate boundaries is most likely to form a volcano? | [
"a continental plate colliding with a continental plate",
"an oceanic plate sliding past a continental plate",
"a continental plate sliding past a continental plate",
"an oceanic plate colliding into a continental plate"
] | D | null |
medmcqa | medmcqa_05_02913 | Which flexor muscle is attached to hook of hamate- | [
"Flexor pollicis brevis",
"Flexor pollicis longus",
"Flexor digiti minimi",
"Flexor carpi ulnaris"
] | C | Ans. is 'c' i.e., Flexor digiti minimi o The hamate :The tip of the hook gives attachment to the flexor retinaculum.The medial side of the hook gives attachment to the flexor digiti minimi and the opponens digiti minimi. |
ARC-Easy | arc_04_00106 | Why should plants be included in investigations about the water cycle? | [
"Plants speed up the water cycle by removing carbon from the air.",
"Plants start the water cycle when they make water in photosynthesis.",
"Plants are part of the water cycle through the process of transpiration.",
"Plants stop the water cycle because they absorb it and stop the flow to streams."
] | C | null |
sciq | sciq_01_09415 | Atomic emission spectra are produced when excited electrons return to what state? | [
"ground state",
"side state",
"orbital state",
"work state"
] | A | Atomic emission spectra are produced when excited electrons return to ground state. |
math_qa | mathqa_03_00005 | the batting average of a particular batsman is 58 runs in 46 innings . if the difference in his highest and lowest score is 150 runs and his average excluding these two innings is 58 runs , find his highest score . | [
"179",
"208",
"210",
"133"
] | D | "explanation : total runs scored by the batsman = 58 * 46 = 2668 runs now excluding the two innings the runs scored = 58 * 44 = 2552 runs hence the runs scored in the two innings = 2668 – 2552 = 116 runs . let the highest score be x , hence the lowest score = x – 150 x + ( x - 150 ) = 116 2 x = 266 x = 133 runs answer ... |
sciq | sciq_01_11405 | What attracts the earth to the sun? | [
"light",
"weight",
"the moon",
"gravity"
] | D | The earth is attracted to the sun by the force of gravity. Why doesn’t the earth fall into the sun?. |
math_qa | mathqa_03_03395 | how many different positive integers exist between 10 ^ 4 and 10 ^ 5 , the sum of whose digits is equal to 2 ? | [
"3",
"4",
"5",
"6"
] | C | "10001 10010 10100 11000 20000 total no . = 5 c" |
ARC-Easy | arc_04_00655 | Which of these objects is visible because it reflects light toward the eye? | [
"burning candle",
"flashlight bulb",
"glowing campfire log",
"shiny metallic balloon"
] | D | null |
math_qa | mathqa_03_01151 | the product of x and y is a constant . if the value of x is increased by 20 % , by what percentage must the value of y be decreased ? | [
"16.66 %",
"33.33 %",
"44.44 %",
"55.55 %"
] | A | "x * y = constt . let x = y = 100 in beginning i . e . x * y = 100 * 100 = 10000 x ( 100 ) - - - becomes - - - > 1.2 x ( 120 ) i . e . 120 * new ' y ' = 10000 i . e . new ' y ' = 10000 / 120 = 83.33 i . e . y decreases from 100 to 83.33 i . e . decrease of 16.66 % answer : option a" |
ARC-Easy | arc_04_01366 | During a lab investigation a scientist heats a solid substance. The scientist observes that the solid has two different melting points. The scientist is able to separate the two resulting liquids. Which statement best classifies the original solid substance? | [
"It was an atom.",
"It was a mixture.",
"It was an element.",
"It was a compound."
] | B | null |
medmcqa | medmcqa_05_00211 | Carpal bone which fractures commonly: | [
"Scaphoid",
"Lunate",
"Hamate",
"Pisiform"
] | A | Ans: a |
sciq | sciq_01_06238 | A circuit must be what in order for electric devices such as light bulbs to work? | [
"down",
"cyclical",
"closed",
"open"
] | C | A circuit must be closed for electric devices such as light bulbs to work. The arrows in the diagram show the direction in which electrons flow through the circuit. The current is considered to flow in the opposite direction. |
openbookqa | obqa_02_01233 | Winter in the northern hemisphere is occurring on | [
"the day after July 4th",
"two days before April 23rd",
"the day after November 30th",
"the day before Halloween"
] | C | December is during the winter in the northern hemisphere |
sciq | sciq_01_09107 | How can you prevent food allergy symptoms? | [
"avoid offending foods",
"antioxidants",
"stem cell therapy",
"antiviral drugs"
] | A | Common digestive system problems include foodborne illness and food allergies. Following healthy food-handling practices may decrease your risk of foodborne illness. Food allergy symptoms can be prevented by avoiding the offending foods. |
openbookqa | obqa_02_03487 | Which of the following uses electrical energy? | [
"curling iron",
"iron weight",
"iron wrench",
"potential energy"
] | A | electric devices require electrical energy to function |
math_qa | mathqa_03_02484 | the side of a square is increased by 10 % then how much % does its area increases ? | [
"21",
"56.25",
"50.75",
"42.75"
] | A | "a = 100 a 2 = 10000 a = 110 a 2 = 12100 - - - - - - - - - - - - - - - - 10000 - - - - - - - - - 2100 100 - - - - - - - ? = > 21 % answer : a" |
openbookqa | obqa_02_00355 | Absorbing sun rays | [
"raises the Fahrenheit of an object",
"lowers the Celsius of an object",
"causes the object to cool",
"causes the temperature of the object to descend"
] | A | if a substance absorbs solar energy then that substance will increase in temperature |
math_qa | mathqa_03_03157 | a fruit seller had some oranges . he sells 20 % oranges and still has 380 oranges . how many oranges he had originally ? | [
"475",
"700",
"220",
"400"
] | A | explanation : he sells 20 % of oranges and still there are 380 oranges remaining = > 80 % of oranges = 380 ⇒ ( 80 × total oranges ) / 100 = 380 ⇒ total oranges / 100 = 4.75 ⇒ total oranges = 4.75 × 100 = 475 answer : option a |
math_qa | mathqa_03_00229 | how many prime numbers are between 15 / 7 and 131 / 6 ? | [
"3",
"4",
"5",
"6"
] | D | "15 / 7 = 3 - 131 / 6 = 22 - prime numbers between 3 and 22 are 5 , 7 , 11 , 13 , 17 , and 19 - sign signifies that the number is marginally less . answer d" |
medmcqa | medmcqa_05_00639 | Varicella is classified under - | [
"Enterovirus",
"Retrovirus",
"Poxvirus",
"Herpesvirus"
] | D | HERPES VIRUSES
They are enveloped DNA (ds DNA) viruses.
Characterized by their ability to establish latent infections
They replicate in the host cell nucleus
They form Cowdry type A (Lipschutz) intranuclear inclusion bodies
They are divided into three subfamilies :
Alpha Herpes Viruses
Beta Herpes Viruses
Gamma He... |
openbookqa | obqa_02_03008 | Special plant tissues transport what throughout the plant? | [
"dirt",
"manganese",
"animals",
"rage"
] | B | special tissues in plants transport minerals throughout the plant |
medmcqa | medmcqa_05_01551 | Rasmussen's aneurysm is a | [
"Dilated vessel in a tubercular lung cavity",
"Dilated of the root of aoa in valvular stenosis",
"Dilated aoa in syphilitic affection",
"Dilated renal vessel in hypeensive renal disease"
] | A | In tuberculosis,hemoptysis can occur due to rupture of a dilated vessel in a tuberculous cavity.It is known as Rasmussen's aneurysm. Ref:Harrison's medicine-18th edition,page no:1345. |
sciq | sciq_01_03237 | Soil erosion is a natural process, but what can increase it unnaturally? | [
"human activities",
"animal activies",
"human preservation",
"volcanic eruption"
] | A | Soil erosion is a natural process, but human activities can increase it. |
ARC-Challenge | arc_04_03192 | Which human activity will help decrease air pollution? | [
"burning crops",
"driving a hybrid car",
"burning household garbage",
"using coal to produce energy"
] | B | null |
sciq | sciq_01_01181 | What are compounds formed by ionic bonds called? | [
"ionic compounds (salts)",
"nuclear compounds",
"layered compounds",
"mixed compounds"
] | A | |
medmcqa | medmcqa_05_03016 | Muscles are not involved in which glycogen storage disease: | [
"I",
"II",
"III",
"IV"
] | A | A i.e. I Type I glycogen storage disease (Von Gierke's) is due to deficiency of Glucose -- 6- phosphataseQ.As this enzyme is absent in muscle, so muscles are not affected in Glycogen storage disease type I.Q. It affects liver,kidney and intestine. |
sciq | sciq_01_09767 | X rays and what other type of electromagnetic wave has the shortest wavelengths and the highest frequencies? | [
"X-rays",
"plasma rays",
"gamma rays",
"ultraviolet rays"
] | C | On the far right are X rays and gamma rays. The have the shortest wavelengths and highest frequencies of all electromagnetic waves. They also have the greatest amount of energy. |
sciq | sciq_01_05431 | What are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules? | [
"cells",
"carbons",
"proteins",
"acids"
] | C | Proteins Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective; they may serve in transport, storage, or membranes; or they may be toxins or enzymes. Each cell in a ... |
ARC-Challenge | arc_04_02176 | Which of these is not an inherited trait in humans? | [
"height",
"hair color",
"skin color",
"intelligence"
] | D | null |
openbookqa | obqa_02_01741 | Plants in an incinerator would | [
"petrify",
"freeze",
"wilt",
"cremate"
] | D | fire destroys plants in an environment |
sciq | sciq_01_06463 | What are the two basic types of competition called? | [
"instraspecifc and interspecific",
"interference and interaction",
"exploitative and beneficial",
"weak and strong"
] | A | Aggressive behavior often occurs when individuals compete for the same resources. Animals may compete for territory, water, food, or mates. There are two basic types of competition: intraspecific and interspecific. |
openbookqa | obqa_02_04600 | Why would philanthropists donate special straws to help poor countries? | [
"they pollute water",
"they need straws",
"they treat water",
"they poison water"
] | C | treating water is used to remove harmful substances before drinking |
sciq | sciq_01_00047 | How many people die from air pollution each year? | [
"17 million",
"22 million",
"5 million",
"14 million"
] | B | Air pollution is harmful to human beings and other living things. About 22 million people die from air pollution each year. Breathing polluted air increases the risk of developing lung diseases such as asthma and lung cancer. Breathing bad air also increases the chances of dying from other diseases. Children are most l... |
math_qa | mathqa_03_02130 | if a - b = 3 and a ^ 2 + b ^ 2 = 35 , find the value of ab . | [
"12",
"13",
"10",
"18"
] | B | "2 ab = ( a ^ 2 + b ^ 2 ) - ( a - b ) ^ 2 = 35 - 9 = 26 ab = 13 . answer is b ." |
math_qa | mathqa_03_04093 | a towel , when bleached , lost 20 % of its length and 10 % of its breadth . what is the percentage decrease in area ? | [
"26",
"28",
"24",
"20"
] | B | "formula for percentage change in area is : = ( − x − y + ( xy ) / 100 ) % = ( − 20 − 10 + ( 20 × 10 ) / 100 ) % = − 28 % i . e . , area is decreased by 28 % answer is b ." |
sciq | sciq_01_10555 | Paint keeps oxygen and water from coming into direct contact with the metal, which prevents what? | [
"evaporation",
"heat",
"corrosion",
"filtration"
] | C | Paint keeps oxygen and water from coming into direct contact with the metal, which prevents corrosion. Paint is more necessary because salt is an electrolyte that increases the conductivity of water and facilitates the flow of electric current between anodic and cathodic sites. |
sciq | sciq_01_04044 | How much exercise should a person ideally get during a single day? | [
"six hours",
"fifteen minutes",
"hour",
"three hours"
] | C | Physical activity is an important part of balanced eating. It helps you use up any extra Calories in the foods you eat. You should try to get at least an hour of exercise just about every day (see Figure below ). Exercise has many health benefits in addition to balancing the energy in food. For example, it strengthens ... |
sciq | sciq_01_06679 | What is a region of repetitive noncoding nucleotide sequences at each end of a chromosome? | [
"cytoskeleton",
"diploid",
"telomere",
"cellular"
] | C | Reverse transcription also occurs with retrotransposons and during telomere synthesis in eukaryotes. Retrotransposons are self-replicating segments of eukaryotic genomes that use reverse transcriptase to move from one position in the genome to another via a RNA intermediate. A telomere is a region of repetitive noncodi... |
medmcqa | medmcqa_05_03915 | Which is not a fungal infection? (D. REPEAT 2008) | [
"Favus",
"Mycosis fungoides",
"Kerion",
"Piedra"
] | B | Ref: Essentials in Dermatology, Rook's Dermatology Explanation:Mycosis fungoides is a type of cutaneous T cell lymphoma and has no connection to fungal infection. In fact, the term mycosis fungoides is a famous misnomer in dermatology.Favus and kerion are types of inflammatory tinea capitis caused by dermatophytes fung... |
ARC-Easy | arc_04_01690 | Which pair of items will repel each other? | [
"a positively-charged wool sock and a neutral plastic bag",
"a neutral cotton sweater and a negatively-charged plastic pellet",
"a negatively-charged balloon and a positively-charged piece of paper",
"a negatively-charged plastic strip and a negatively-charged piece of cloth"
] | D | null |
openbookqa | obqa_02_02352 | Which organism likely contains chlorophyll? | [
"bamboo",
"pandas",
"protozoa",
"humans"
] | A | chlorophyll is used for absorbing light energy by plants |
sciq | sciq_01_02238 | These microorganisms are abundant in the human digestive track and serve many roles. what are they? | [
"pathogens",
"bacteria",
"antioxidants",
"tumors"
] | B | Bacteria provide vital ecosystem services. They are important decomposers. They are also needed for the carbon and nitrogen cycles. There are billions of bacteria inside the human intestines. They help digest food, make vitamins, and play other important roles. Humans also use bacteria in many other ways, including:. |
sciq | sciq_01_05835 | The sun’s gravity is relatively strong because the force of gravity between two objects is directly proportional to their what? | [
"rocks",
"Liquids",
"tissues",
"masses"
] | D | As you can see in this NASA photo, Earth is tiny compared with the massive sun. The sun’s gravity is relatively strong because the force of gravity between two objects is directly proportional to their masses. Gravity between the sun and Earth pulls Earth toward the sun, but Earth never falls into the sun. Instead, it ... |
ARC-Challenge | arc_04_02341 | Which of the following would make the best insulator against the flow of electricity? | [
"copper wire",
"steel tubing",
"plastic tape",
"aluminum foil"
] | C | null |
medmcqa | medmcqa_05_02497 | Radiation exposure is the least in the following procedure – | [
"Micturating cystourethrogram",
"IVP",
"Bilateral nephrostomogram",
"Spiral CT for stones"
] | A | Amongst the given options micturating cystourethrogram has least radiation exposure with number of chest x-ray equivalent of 60.
IVP has chest x-ray equivalent 120, nephrostomogram has x-ray eqiuvalent 170, and CT Plevis has x-ray equivalent 500. |
sciq | sciq_01_00752 | Cancer develops when what process is unregulated? | [
"metabolism",
"meiosis",
"cellular respiration",
"cell division"
] | D | In the Cell Cycle: Cancer (Advanced) concept, cancer is described as developing due to unregulated cell division. That is, cancer is a disease characterized by a population of cells that grow and divide without respect to normal limits. These cancerous cells invade and destroy adjacent tissues, and they may spread thro... |
math_qa | mathqa_03_04429 | a , b and c enter into partnership . a invests some money at the beginning , b invests double the amount after 6 months , and c invests thrice the amount after 8 months . if the annual gain be rs . 18600 . a ' s share is ? | [
"8876",
"2765",
"6000",
"6200"
] | D | "x * 12 : 2 x * 6 : 3 x * 4 1 : 1 : 1 1 / 3 * 18600 = 6200 answer : d" |
math_qa | mathqa_03_00399 | 60 kg of an alloy a is mixed with 100 kg of alloy b . if alloy a has lead and tin in the ratio 3 : 2 and alloy b has tin and copper in the ratio 1 : 4 , then the amount of tin in the new alloy is ? | [
"24 kg",
"44 kg",
"20 kg",
"30 kg"
] | B | quantity of tin in 60 kg of a = 60 * 2 / 5 = 24 kg quantity of tin in 100 kg of b = 100 * 1 / 5 = 20 kg quantity of tin in the new alloy = 24 + 20 = 44 kg answer is b |
ARC-Easy | arc_04_00336 | Which habitat on Earth would probably 28 add the greatest amount of water to the water cycle through evaporation? | [
"cold lake",
"desert sand",
"warm ocean",
"mountain rock"
] | C | null |
sciq | sciq_01_03115 | In the radiative zone, light particles called what can only travel a few millimeters before they hit another particle? | [
"positrons",
"electrons",
"neutrons",
"photons"
] | D | The radiative zone is the next layer out. It has a temperature of about 4 million °C. Energy from the core travels through the radiative zone. The energy travels at an extremely slow rate. Light particles are called photons . In the radiative zone, photons can only travel a few millimeters before they hit another parti... |
math_qa | mathqa_03_02228 | one half of a two digit number exceeds its one third by 6 . what is the sum of the digits of the number ? | [
"7",
"9",
"11",
"12"
] | B | "explanation : x / 2 – x / 3 = 6 = > x = 6 3 + 6 = 9 b )" |
math_qa | mathqa_03_04781 | a , b and c invested rs . 6600 , rs . 4400 and rs . 11000 respectively , in a partnership business . find the share of a in profit of rs . 12100 after a year ? | [
"rs . 3300",
"rs . 3100",
"rs . 3500",
"rs . 4200"
] | A | "6600 : 4400 : 11000 3 : 2 : 5 3 / 10 * 11000 = rs . 3300 answera" |
ARC-Easy | arc_04_00938 | When specific hormones are present in the blood of a hen, an egg is released from an ovary. Which two systems are involved with the release of an egg? | [
"immune and digestive systems",
"digestive and endocrine systems",
"reproductive and immune systems",
"endocrine and reproductive systems"
] | D | null |
openbookqa | obqa_02_01839 | A being may have more of a chance of survival if it can | [
"dance like people are looking",
"climb up to tall places",
"hang out in large, loud groups",
"skateboard for long periods of time"
] | B | the ability to find resources has a positive impact on an organism 's survival |
sciq | sciq_01_03145 | Lymph capillaries collect the fluid that leaks from blood capillaries and slowly return it to what system? | [
"cardiovascular",
"circulatory",
"muscular",
"gastrointestinal"
] | A | Courtesy of the U. S. National Cancer Institute's Surveillance, Epidemiology and End Results (SEER) Program. Lymph capillaries collect the flood the leaks from blood capillaries and is slowly returned to the cardiovascular system . |
sciq | sciq_01_03153 | Rounded grains indicate that the minerals eroded from what? | [
"iron",
"earlier rock",
"recent rock",
"fossils"
] | B | Cratonic rocks contain rounded sedimentary grains. Rounded grains indicate that the minerals eroded from an earlier rock. It also means that rivers or seas existed. |
ARC-Easy | arc_04_01246 | Scientists who have studied the hydrosphere concluded that about 71% of Earth is covered with water. Which part of the hydrosphere is most often associated with the formation of organic rocks? | [
"lakes",
"oceans",
"ponds",
"rivers"
] | B | null |
openbookqa | obqa_02_03534 | Stepping in a lake causes | [
"tsunamis",
"ripples",
"typhoons",
"earthquakes"
] | B | dropping an object into water causes vibrations in the water |
openbookqa | obqa_02_00987 | A ficus can help respiration because it: | [
"absorbs oxygen",
"releases oxygen",
"absorbs helium",
"releases carbon dioxide"
] | B | a leaf performs photosynthesis |
math_qa | mathqa_03_03214 | a boatman goes 3 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes . how long will it take to go 5 km in stationary water ? | [
"40 minutes",
"1 hour 7 min",
"1 hour 15 min",
"1 hour 30 min"
] | B | "speed ( upstream ) = 3 / 1 = 3 kmhr speed ( downstream ) = 1 / ( 10 / 60 ) = 6 kmhr speed in still water = 1 / 2 ( 3 + 6 ) = 4.5 kmhr time taken in stationary = 5 / 4.5 = 1 hrs 7 min answer : b" |
sciq | sciq_01_10108 | What is the molecule, dipeptide formed together by? | [
"amino acids",
"rna acids",
"acetic acids",
"polymer acids"
] | A | Amino acids join together to form a molecule called a dipeptide. The –OH from the carboxyl group of one amino acid combines with a hydrogen atom from the amino group of the other amino acid to produce water (blue). |
sciq | sciq_01_00973 | What encloses the border of animal cells? | [
"cells membrane",
"Jacket membrane",
"dust membrane",
"plasma membrane"
] | D | 3.4 | The Cell Membrane By the end of this section, you will be able to: • Understand the fluid mosaic model of membranes • Describe the functions of phospholipids, proteins, and carbohydrates in membranes A cell’s plasma membrane defines the boundary of the cell and determines the nature of its contact with the enviro... |
medmcqa | medmcqa_05_04408 | A most common cause of bony ankylosis- | [
"Rheumatoid arthritis",
"Pyogenic arthritis",
"Traumatic arthritis",
"Osteoarthritis"
] | B | Ankylosis
Ankylosis is the fusion of bones in a joint leading to stiffness of the joint.
Ankylosis may be : -
1) Fibrous ankylosis: - Two articular surfaces are fused by fibrous tissue.
The feature are : -
Some movement of joint is possible (though just a jog of movement).
Movements may be painless or painful.
Mos... |
sciq | sciq_01_01161 | What are chemical bonds between atoms of nonmetals that share valence electrons called? | [
"ionic bonds",
"gravitational bonds",
"electron bonds",
"covalent bonds"
] | D | Covalent bonds are chemical bonds between atoms of nonmetals that share valence electrons. In some covalent bonds, electrons are not shared equally between the two atoms. These are called polar covalent bonds. The Figure below shows the polar bonds in a water molecule (H 2 O). The oxygen atom attracts the shared electr... |
openbookqa | obqa_02_03722 | Eight month old tuna salad will make a person | [
"hairy",
"rich",
"clean",
"sick"
] | D | food spoiling has a negative impact on the health of the animal that eats that food |
sciq | sciq_01_11462 | What is the term for when two opposing processes reach the same speed, resulting in no overall change? | [
"equilibrium",
"neutralization",
"acceleration",
"homeostasis"
] | A | Imagine you are stranded in a rowboat in the middle of the ocean. Suddenly, your boat springs a small leak, and you need to bail out water. You grab a bucket and begin to bail. After a few minutes, your efforts against the leak keep the water to only about half an inch, but any further bailing doesn’t change the water ... |
openbookqa | obqa_02_02759 | An animal that often lives in holes in the ground in fields has | [
"long curly hair",
"round ears",
"four wings",
"rainbow stripes"
] | B | mice live in in holes in the ground in fields |
medmcqa | medmcqa_05_04715 | A farmer presents with multiple discharging sinuses in the leg not responding to antibiotics. Most likely diagnosis is : | [
"Madurella",
"Actino-mycetoma",
"Nocardia",
"Sporothrix"
] | A | Ans. is 'a' madurella This is a case of Mycetoma (or Madura foot)Mycetoma is of 2 typesAbout the t/t, Harrison states * "Actinomycetoma may respond to prolonged combination chemotherapy e.g with streptomycin and either dapsone or trimethoprim-sulfamethoxazole "About t/t of eumycetoma it adds "eumycetoma rarely responds... |
ARC-Easy | arc_04_01947 | The prairie grass ecosystem once had a deep layer of topsoil which was protected by the grasses that covered it. Removal of these grasses for farmland is causing the soil to be eroded mainly by | [
"wind and rain.",
"animal movement.",
"crops grown in the soil.",
"increased temperatures."
] | A | null |
sciq | sciq_01_07653 | What are microscopic vessels with very thin, porous walls? | [
"capillaries",
"veins",
"valves",
"arteries"
] | A | |
ARC-Easy | arc_04_00440 | A ball is tossed up in the air and it comes back down. The ball comes back down because of | [
"gravity",
"friction",
"erosion",
"magnetism"
] | A | null |
medmcqa | medmcqa_05_00820 | The biological transmission of filariasis is an example of: | [
"Propagative transmission",
"Cyclical transmission",
"Cyclo-developmental transmission",
"Cyclo-Propagative transmission"
] | C | Biological transmission is of three types: Propagative: The agent merely multiplies in vector, but no change in form. e.g. plague bacilli in rat fleas Cyclo-Propagative: The agent changes in form and number. e.g. malaria parasites in mosquito Cyclo-developmental: The disease agent undergoes only development but no mult... |
sciq | sciq_01_02450 | What phylum includes snails, squids and clams? | [
"porifera",
"cnidaria",
"protozoa",
"mollusca"
] | D | Mollusks are mainly aquatic invertebrates in Phylum Mollusca. They include snails, squids, and clams. Mollusks have a coelom and several organ systems. Most also have a shell, head, foot, and radula, which is a feeding organ. Mollusks are either free-living heterotrophs or parasites. |
sciq | sciq_01_04439 | Through which organ do hookworm larvae enter the human body? | [
"through the skin",
"through the lungs",
"through the rectum",
"through the mouth"
] | A | Parasitic roundworms may have plant, vertebrate, or invertebrate hosts. Several species have human hosts. For example, hookworms, like the one in Figure below , are human parasites. They infect the human intestine. They are named for the hooks they use to grab onto the host’s tissues. Hookworm larvae enter the host thr... |
math_qa | mathqa_03_02684 | the length of a room is 5.5 m and width is 3.75 m . what is the cost of paying the floor by slabs at the rate of rs . 800 per sq . meter . | [
"rs . 12000",
"rs . 19500",
"rs . 18000",
"rs . 16500"
] | D | "explanation : area = 5.5 × 3.75 sq . metre . cost for 11 sq . metre . = rs . 800 hence , total cost = 5.5 × 3.75 × 800 = 5.5 × 3000 = rs . 16500 answer : option d" |
sciq | sciq_01_11381 | What do we call an incorrect test result that should have been positive? | [
"false positive",
"personal negative",
"false negative",
"external positive"
] | C | Cancer Proteomics Genomes and proteomes of patients suffering from specific diseases are being studied to understand the genetic basis of the disease. The most prominent disease being studied with proteomic approaches is cancer. Proteomic approaches are being used to improve screening and early detection of cancer; thi... |
sciq | sciq_01_06241 | What type of mammals are humans? | [
"marsupial mammals",
"somatic mammals",
"placental mammals",
"respiratory mammals"
] | C | Human beings are mammals. Like other mammals, we have hair and mammary glands. The subclass in which the human species is classified is the placental mammals. |
ARC-Easy | arc_04_00672 | The danger posed to fish in an aquarium by an overpopulation of bacteria caused by an algal bloom is most likely a | [
"decrease in water temperature.",
"reduction in oxygen levels.",
"decrease in food supply.",
"removal of minerals."
] | B | null |
medmcqa | medmcqa_05_02633 | GABA Reuptake is inhibited by | [
"Tiagabine",
"Topiramate",
"Felbamate",
"Perampanel"
] | A | Reuptake is inhibited by tiagabine as shown in the picture |
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