dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 1 935 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
medmcqa | medmcqa_05_02953 | Muscles cannot make use of glycogen because of deficiency of : | [
"Glucose-6-phosphatase",
"Glycogen phosphorylase",
"Hexokinase",
"Phospho-gluco-mutase"
] | B | It is because of the deficiency of Glycogen Phosphorylase. It is the first and rate-limiting enzyme of glycogenolysis. Deficiency of Glycogen phosphorylase in muscles is known as Mc Ardle's disease The other question usually asked is why muscle cannot maintain blood glucose then the answer is due to lack of enzyme gluc... |
math_qa | mathqa_03_03316 | in a triangle , one side is 6 cm and another side is 8 cm . which of the following can be the perimeter of the triangle ? | [
"22 .'",
"25 .'",
"30 .'",
"32 .'"
] | A | given : one side is 6 cm and another side is 8 cm . so the 3 rd side will be > 3 and < 15 . thus the perimeter will be : 18 < perimeter < 30 . only option satisfying this condition is 22 . hence a . |
sciq | sciq_01_04349 | How do gametophyte plants form haploid gametes? | [
"during after omniosis",
"during after mitosis",
"during omniosis",
"through mitosis"
] | D | Plants in the haploid generation are called gametophytes . They form from haploid spores. They have male and/or female reproductive organs and reproduce sexually. They produce haploid gametes by mitosis. Fertilization of gametes produces diploid zygotes. Zygotes develop into the diploid generation. |
ARC-Easy | arc_04_00606 | While a sailor was out fishing, he got lost at sea. Which object would help him direct the boat back to shore? | [
"Rope",
"Magnetic compass",
"Blanket",
"Measuring tape"
] | B | null |
math_qa | mathqa_03_04564 | ( 1000 ) 7 ÷ ( 10 ) 16 = ? | [
"10",
"100",
"1000",
"100000"
] | D | "explanation : = ( 103 ) 7 / ( 10 ) 16 = ( 10 ) 21 / ( 10 ) 16 = 10 ( 5 ) = 100000 option d" |
sciq | sciq_01_09491 | How does the nucleus divide during nuclear fission? | [
"biochemically",
"equally",
"evenly",
"asymmetrically"
] | D | Collision of a relatively slow-moving neutron with a fissile nucleus can split it into two smaller nuclei with the same or different masses. Neutrons are also released in the process, along with a great deal of energy. Any isotope that can undergo a nuclear fission reaction when bombarded with neutrons is called a fiss... |
openbookqa | obqa_02_02287 | A worm would most likely be eating | [
"a living tree",
"a healthy human",
"a dead lizard",
"a living rat"
] | C | dead organisms decay |
openbookqa | obqa_02_00085 | What causes a chemical reaction? | [
"mixing and heating edible items",
"putting water in a bowl",
"petting a small cat",
"rolling a ball on a floor"
] | A | cooking causes a chemical reaction |
sciq | sciq_01_10784 | These vacuoles take water from the cytoplasm and excrete it from the cell to avoid bursting due to what? | [
"apoptotic pressure",
"osmotic pressure",
"impervious pressure",
"static pressure"
] | B | Vacuoles are membrane-bound organelles that can have secretory, excretory, and storage functions. Vacuoles are usually much larger than vesicles. Many organisms will use vacuoles as storage areas and some plant cells have very large vacuoles. The large central vacuole of the plant cell is used for osmotic control (stor... |
sciq | sciq_01_03135 | One type of tissue, called brown fat, is made up of cells packed full of what? | [
"chromosomes",
"mitochondria",
"Atoms",
"proteins"
] | B | |
sciq | sciq_01_11218 | What is the basis of the classification of protists? | [
"traits shared",
"tails shared",
"mutations shared",
"conditions shared"
] | A | Protists are classified based on traits they share with other eukaryotes. There are animal-like, plant-like, and fungus-like protists. The three groups differ mainly in how they get carbon and energy. |
math_qa | mathqa_03_04617 | a rower can row 7 km / h in still water . when the river is running at 1 km / h , it takes the rower 1 hour to row to big rock and back . how many kilometers is it to big rock ? | [
"3.19",
"3.28",
"3.35",
"3.43"
] | D | "let x be the distance to big rock . time = x / 6 + x / 8 = 1 x = 48 / 14 = 3.43 km the answer is d ." |
math_qa | mathqa_03_04291 | a water tank is three - fifths full . pipe a can fill a tank in 15 minutes and pipe b can empty it in 6 minutes . if both the pipes are open , how many minutes will it take to empty or fill the tank completely ? | [
"2",
"4",
"6",
"8"
] | C | "the combined rate of filling / emptying the tank = 1 / 15 - 1 / 6 = - 1 / 10 since the rate is negative , the tank will be emptied . a full tank would take 10 minutes to empty . since the tank is only three - fifths full , the time is ( 3 / 5 ) * 10 = 6 minutes the answer is c ." |
openbookqa | obqa_02_01494 | A large body of salty water drying up is responsible for the creation of the | [
"salt flats",
"salt water taffy",
"Rocky mountains",
"ocean winds"
] | A | An example of a change in the Earth is an ocean becoming a wooded area |
openbookqa | obqa_02_04291 | The temperature of a monitor lizard will increase if it | [
"goes into a hole underground",
"hides under a tree",
"swims in a fountain",
"leaves a rainy forest for a sunny desert"
] | D | as temperature in the environment increases , the body temperature of a reptile in that environment will increase |
sciq | sciq_01_03899 | Where a cell resides, how it appears, and what it does define its what? | [
"slowing rate",
"development fate",
"minute race",
"life cycle"
] | B | |
medmcqa | medmcqa_05_01109 | Brown atrophy is due to accumulation of: | [
"Melanin",
"Hemosiderin",
"Hematin",
"Lipofuscin"
] | D | ANSWER: (D) LipofuscinREF: Pathology by Edward E Goljan page 7The combination of an atrophic heart and lipofuscin accumulation is referred to as brown atrophy. Lipofuscin is a "wear and tear" pigment that commonly deposits within hepatocytes, splenocytes, and myocardial cells |
sciq | sciq_01_03113 | How do they classify tornadoes? | [
"amount of destruction",
"wind density",
"wind temperature",
"wind speed"
] | D | The winds of a tornado can reach very high speeds. The faster the winds blow, the greater the damage they cause. Wind speed and damage are used to classify tornadoes ( Table below ). |
sciq | sciq_01_03713 | What type of feeders are earthworms? | [
"middle",
"deposit",
"oil",
"top"
] | B | Earthworms are deposit feeders. They burrow through the ground, eating soil and extracting organic matter from it. Earthworm feces, called worm casts, are very rich in plant nutrients. Earthworm burrows help aerate soil, which is also good for plants. |
openbookqa | obqa_02_01616 | An example of an adult animal laying eggs is all aside from | [
"penguins",
"snakes",
"turtles",
"kittens"
] | D | some adult animals lay eggs |
sciq | sciq_01_09054 | What is the condition in which the thyroid gland is overactive is known as? | [
"susceptibility",
"hypothyroidism",
"hepatic",
"hyperthyroidism"
] | D | Hyperthyroidism is a condition in which the thyroid gland is overactive. Hypothyroidism is a condition in which the thyroid gland is underactive. Which of the conditions are the following two patients most likely to have? Patient A has symptoms including weight gain, cold sensitivity, low heart rate and fatigue. Patien... |
sciq | sciq_01_03777 | Paddles and hammers are examples of simple machines that increase the distance over which force is applied, while reducing what? | [
"momentum",
"strength",
"gravity",
"intensity"
] | B | Examples of machines that increase the distance over which force is applied are paddles and hammers. Figure below explains how these machines work. In each case, the machine increases the distance over which the force is applied, but it reduces the strength of the applied force. |
sciq | sciq_01_06646 | What is the term for atherosclerosis of arteries that supply the heart muscle? | [
"cardiovascular disease",
"essential heart disease",
"rapid heart disease",
"coronary heart disease"
] | D | Atherosclerosis of arteries that supply the heart muscle is called coronary heart disease . This disease may or may not have symptoms, such as chest pain. As the disease progresses, there is an increased risk of heart attack. A heart attack occurs when the blood supply to part of the heart muscle is blocked and cardiac... |
sciq | sciq_01_01993 | What are bacteria and archaea examples of? | [
"plants",
"prokaryotes",
"fungi",
"eukaryotes"
] | B | Prokaryotes include Bacteria and Archaea. An individual prokaryote consists of a single cell without a nucleus. |
sciq | sciq_01_03157 | What is made up of organisms of the same species that live in the same area? | [
"tissue",
"population",
"system",
"countries"
] | B | Communities consist of populations of different species. The size and growth of populations in a community are influenced by species interactions. For example, predator-prey relationships control the growth of both predator and prey populations. |
sciq | sciq_01_02382 | Do bacteria sexually reproduce? | [
"they don't reproduce",
"sometimes",
"yes",
"no"
] | D | Are there male and female bacteria? Of course the answer is no. So, sexual reproduction does not occur in bacteria. But not all new bacteria are clones. This is because bacteria can acquire new DNA. This process occurs in three different ways:. |
ARC-Easy | arc_04_01977 | If an environment becomes warmer and drier, the change that would most likely help a species adapt would be an increase in its | [
"amount of body fat.",
"amount of body hair.",
"ability to climb trees.",
"ability to store water."
] | D | null |
openbookqa | obqa_02_01674 | The moon sees eclipses what from Earth? | [
"the sun",
"opposite",
"through magic",
"the same"
] | B | the moon orbits the Earth |
sciq | sciq_01_04990 | These types of cella support young, growing parts of a plant? | [
"epidermal cells",
"collenchyma cells",
"pinworm cells",
"angular cells"
] | B | |
medmcqa | medmcqa_05_02432 | Epidermolysis bullosa is due to defect in collagen type? | [
"Type 1",
"Type 3",
"Type 4",
"Type 7"
] | D | Ans. D. Type 7Diseases Caused by Mutations in Collagen Genes or by Deficiencies in the Activities of Posttranslational Enzymes Involved in the Biosynthesis of CollagenGene or EnzymeDisease 1COL1A1, COL1A2Osteogenesis imperfecta, type 12 (OMIM 166200)Osteoporosis 3 (OMIM 166710)Ehlers-Danlos syndrome type VII autosomal ... |
openbookqa | obqa_02_03988 | An innate instinct could be | [
"Learning how to drive a car",
"a dog drooling when it sees food",
"Learning a new language",
"Learning how to do a cartwheel"
] | B | An example of an instinct is the kangaroo 's ability to crawl into its mother 's pouch to drink milk |
sciq | sciq_01_08474 | What type of bond generally forms between a metal and non-metal? | [
"horizontal",
"unbreakable",
"soluble",
"ionic"
] | D | Ionic bonds form only between metals and nonmetals. That’s because metals “want” to give up electrons, and nonmetals “want” to gain electrons. Find sodium (Na) in the Figure below . Sodium is an alkali metal in group 1. Like all group 1 elements, it has just one valence electron. If sodium loses that one electron, it w... |
sciq | sciq_01_07466 | Ribosomes are produced in the nucleolus, and then transported to the what? | [
"cytoplasm",
"nucleus",
"cytoskeleton",
"cerebellum"
] | A | Ribosomes are produced in the nucleolus, and then transported to the cytoplasm. Ribosomes are made of ribosomal proteins, called ribonucleoproteins , and ribosomal RNA (rRNA). Each ribosome has two parts, a large and a small subunit, as shown in Figure below . The subunits are attached to each other. During translation... |
sciq | sciq_01_03712 | What disease is given as an example of a sex-linked trait? | [
"arthritis",
"emphysema",
"hemophilia",
"hypertension"
] | C | Hemophilia is a sex-linked trait. Carrier mothers can pass along the affected allele to 50% of their sons. Females with hemophilia would have to receive an affected allele from each parent, making females with hemophilia rare. |
openbookqa | obqa_02_01130 | To survive some moths have developed | [
"loud voices to scare off predators",
"prehensile thumbs to help them grab things",
"large wings that make them more visible",
"wing patterns that allow them to blend into with leaves"
] | D | adaptation is when an organism develops a trait over time for survival |
sciq | sciq_01_02287 | What type of direction does a phase change depend on? | [
"humidity transfer",
"weight transfer",
"heat transfer",
"power transfer"
] | C | Remember that a phase change depends on the direction of the heat transfer. If heat transfers in, solids become liquids, and liquids become solids at the melting and boiling points, respectively. If heat transfers out, liquids solidify, and gases condense into liquids. |
openbookqa | obqa_02_00655 | Magnifying makes it easier to see a | [
"whale",
"tree",
"bear",
"shrimp"
] | D | magnifying makes seeing small things easier through using a microscope |
openbookqa | obqa_02_02636 | What would need electrical energy to function? | [
"The Sun",
"Grass",
"A Dyson",
"A lake"
] | C | electric devices require electrical energy to function |
medmcqa | medmcqa_05_02710 | Erythema chronicum migrans as seen in the illustration is caused by: | [
"Borrelia japonica",
"Borrelia burgdorferi",
"Borrelia andersoni",
"Borrelia recurrentis"
] | B | Ans. B. Borrelia burgdorferiERYTHEMA CHRONICUM MIGRANSa. Erythema chronicum migrans is a rash often seen in the early stages of Lyme disease.b. It is caused by the spirochete Borrelia burgdorferi.c. Lyme disease is a zoonosis which is spread to humans by tick bited. The rash appears a few days after the tick bite |
sciq | sciq_01_03162 | What term is used to describe structures that are similar in unrelated organisms? | [
"isolated",
"symbolic",
"reproductive",
"analogous"
] | D | Analogous structures are structures that are similar in unrelated organisms. The structures are similar because they evolved to do the same job, not because they were inherited from a common ancestor. For example, the wings of bats and birds, shown in Figure below , look similar on the outside. They also have the same ... |
medmcqa | medmcqa_05_01397 | What is meant by PET scan ? | [
"Positive Emission Tomography",
"Positron Emission Tomography",
"Positron Energy Tomography",
"Positive Energy Tomography"
] | B | PET stands for positron emission tomography |
openbookqa | obqa_02_02061 | Where would a river flow downwards? | [
"at the zoo",
"on the mountainside",
"on the prairie",
"on flat land"
] | B | the slope of the land causes a river to flow in a particular direction |
math_qa | mathqa_03_00911 | a library has an average of 510 visitors on sunday and 240 on other days . the average number of visitors per day in a month of 30 days beginning with a sunday is ? | [
"187",
"279",
"280",
"285"
] | D | "since the month begins with a sunday , so there will be five sundays in the month . required average = [ ( 510 * 5 ) + ( 240 * 25 ) ] / 30 = 8550 / 30 = 285 . answer : d" |
medmcqa | medmcqa_05_02259 | Motor supply to muscle spindle is through- | [
"Alpha",
"Beta",
"Gamma",
"Delta"
] | C | Ans. is 'c' i.e., Gamma Sensory innervation (afferent) of muscle spindle* Two types of sensory nerve fibers (afferent) originate from the intrafusal fibers : -1) Annulospiral (Primary) ending are wound around the central region of both nuclear bag fiber and nuclear chain fiber. These are Aa (or la) fibers.2) Flower-spr... |
math_qa | mathqa_03_02657 | the length of the longest tape in cm which can be used to measure exactly , the length 6 m ; 5 m ; and 12 m is : | [
"200",
"100",
"50",
"1200"
] | B | the three lengths in cm are 600,500 & 1200 . hcf of 600 , 500 & 1200 is 100 hence , the answer is 100 cm . answer : b |
ARC-Challenge | arc_04_03209 | Human interaction with the environment has led to increasing amounts of acid rain. Which population have humans adversely affected the most by contributing to the production of acid rain? | [
"frogs in a pond ecosystem",
"fish in an ocean ecosystem",
"bears in a tundra ecosystem",
"lions in a grassland ecosystem"
] | A | null |
sciq | sciq_01_00370 | What is a structure that consists of two or more types of tissues that work together to do the same job? | [
"organism",
"cell",
"organ system",
"organ"
] | D | After tissues, organs are the next level of organization of the human body. An organ is a structure that consists of two or more types of tissues that work together to do the same job. Examples of human organs include the brain, heart, lungs, skin, and kidneys. Human organs are organized into organ systems, many of whi... |
openbookqa | obqa_02_02259 | Which is most considered a part of the skeletal system? | [
"the gums",
"the femur",
"the skin",
"the lemur"
] | B | skeletal system is made of bones |
sciq | sciq_01_00925 | What branch of physical science looks at how heat, work, and various forms of energy are related to one another? | [
"frigidity",
"transformations",
"thermodynamics",
"photosynthesis"
] | C | Just as the burning of wood releases energy in the form of heat, many other chemical reactions also release heat. There are also chemical reactions, such as photosynthesis in plants, which absorb energy in the form of heat. The study of energy changes in chemical reactions is called thermochemistry . The broader term t... |
sciq | sciq_01_00529 | What type of device do scientist use to determine wind speed? | [
"barometer",
"photometer",
"anemometer",
"dynamometer"
] | C | |
sciq | sciq_01_10953 | Where does the krebs cycle take place? | [
"in the nitrogen",
"in the ozone",
"in the matrix",
"in the beam"
] | C | The Krebs cycle and electron transport occur in the mitochondria. The Krebs cycle takes place in the matrix, and electron transport takes place on the inner membrane. |
sciq | sciq_01_04438 | What type of organism has spores that are spread by water and wind? | [
"yeast",
"Plants",
"Trees",
"fungi"
] | D | Spores may be dispersed by moving water, wind, or other organisms. Some fungi even have “cannons” that “shoot” the spores far from the parent organism. This helps to ensure that the offspring will not have to compete with the parents for space or other resources. You are probably familiar with puffballs, like the one i... |
openbookqa | obqa_02_01356 | if liquid is changing its state to gas then that liquid is | [
"slimy",
"cold",
"condensing",
"hot"
] | D | if liquid is boiling then that liquid is hot |
medmcqa | medmcqa_05_02529 | Yuzpe method is a type of | [
"Emergency post-coital hormonal contraception",
"Emergency post-coital IUCD contraception",
"Male contraception",
"Reversible minilap"
] | A | Ans. a (Emergency post-coital hormonal contraception) (Ref. Shaw's Textbook of Gynaecology 13th ed:233)In Yuzpe method, a post-coital hormonal contraception, two doses of 100 meg ethinyl-oestradiol + 500 meg levonorgestrel 12 h apart are given in 72 hours of intercourse.EMERGENCY CONTRACEPTION (POSTCOITAL CONTRACEPTION... |
math_qa | mathqa_03_02564 | if x and y are numbers such that ( x + 4 ) ( y - 4 ) = 0 , what is the smallest possible value of x ^ 2 + y ^ 2 | [
"0",
"9",
"12",
"16"
] | D | "from ( x + 4 ) ( y - 4 ) = 0 it follows that either x = - 4 or y = 4 . thus either x ^ 2 = 16 or y ^ 2 = 16 . now , if x ^ 2 = 16 , then the least value of y ^ 2 is 0 , so the least value of x ^ 2 + y ^ 2 = 16 + 0 = 16 . similarly if y ^ 2 = 16 , then the least value of x ^ 2 is 0 , so the least value of x ^ 2 + y ^ 2... |
sciq | sciq_01_05744 | Lungs, pharynx, larynx, trachea, and bronchi are part of which system? | [
"respiratory",
"nervous",
"neural",
"digestive"
] | A | The organs of the respiratory system include the lungs, pharynx, larynx, trachea, and bronchi. |
sciq | sciq_01_06517 | What is the term for liquid waste formed by kidneys? | [
"feces",
"sperm",
"urine",
"blood"
] | C | Urine is a liquid waste formed by the kidneys as they filter the blood. If you are getting plenty of fluids, your urine should be almost clear. But you might have noticed that sometimes your urine is darker than usual. Do you know why this happens? Sometimes your body is low on water and trying to reduce the amount of ... |
ARC-Easy | arc_04_00274 | All of the following events occur during prophase in mitosis except | [
"pairing of chromosomes.",
"spindle formation.",
"crossing over.",
"condensation of DNA."
] | C | null |
medmcqa | medmcqa_05_01957 | Post traumatic stress disorder is due to? | [
"Head injury",
"CVD",
"Minor stress",
"Major life threatening events"
] | D | Ans. is 'd' i.e., Major life treatening events Stressors for stress disorders* Stress disorders occur after an extreme traumatic events involving the threat of personal death or injury. They can arise from experiences in war, torture, natural catastroph (earthquake, volcano, floods), assault, rape, and serious accident... |
openbookqa | obqa_02_01608 | Humming birds help with the growth of | [
"raspberries",
"cars",
"buildings",
"wind"
] | A | A bird is a pollinating animal |
medmcqa | medmcqa_05_03736 | Alpha thalassemia is due to ? | [
"Alpha chain deficiency",
"Alpha chain excess",
"Beta chain deficienc",
"Beta chain excess"
] | A | Ans. is 'a' i.e., Alpha chain deficiency Alpha-thalassemia People who do not produce enough alpha globin chain have alpha - thalassemia. Alpha globin chain is made by four genes, each gene contributes to 25% of the a-globin chains. The severity of a-thalassemia varies greatly depending on the number of a-globin genes a... |
sciq | sciq_01_10332 | What type of bacteria change nitrogen gas from the atmosphere to nitrates in soil? | [
"nitrogen fixing bacteria",
"hydrophylic bacteria",
"multicellular bacteria",
"spiral bacteria"
] | A | Nitrogen-fixing bacteria change nitrogen gas from the atmosphere to nitrates in soil. |
sciq | sciq_01_08396 | Melting points are temperatures that are high enough to separate liquids from which substances? | [
"solids",
"gases",
"oils",
"seeds"
] | A | The melting point of a substance is the temperature that separates a solid and a liquid. The boiling point of a substance is the temperature that separates a liquid and a gas. What accounts for this variability? Why do some substances become liquids at very low temperatures, while others require very high temperatures ... |
openbookqa | obqa_02_01276 | Thee dominant trait will always be visible when | [
"either are missing",
"both are missing",
"both are present",
"the recessives present"
] | C | when both a dominant and recessive gene are present , the dominant trait will be visible |
math_qa | mathqa_03_01713 | machine a and machine b are each used to manufacture 330 sprockets . it takes machine a 10 hours longer to produce 330 sprockets than machine b . machine b produces 10 % more sprockets per hour than machine a . how many sprockets per hour does machineaproduce ? | [
"3.3",
"6.6",
"60",
"100"
] | A | "time taken by b = t time taken by a = t + 10 qty produced by a = q qty produced by b = 1.1 q for b : t ( 1.1 q ) = 330 qt = 300 for a : ( t + 10 ) ( q ) = 330 qt + 10 q = 330 300 + 10 q = 330 q = 3 so a can produce 3 / hour . then b can produce = 3 ( 1.1 ) = 3.3 / hour . a" |
openbookqa | obqa_02_02250 | A pond that has gallons of water dumped in it daily will | [
"dry",
"grow",
"drain",
"shrink"
] | B | as the amount of water in a body of water increases , the water levels will increase |
sciq | sciq_01_10927 | What types of genes encode transcription factors? | [
"homeobox genes",
"glycosyl transferases",
"rohail genes",
"isozyme genes"
] | A | Homeobox genes are involved in the regulation of genes important to development. They encode transcription factors. |
sciq | sciq_01_08335 | The four moons of jupiter are collectively named after what 17th century astronomer, who discovered them? | [
"Linnaeus",
"darwin",
"galileo",
"copernicus"
] | C | Jupiter has lots of moons. As of 2012, we have discovered over 66 natural satellites of Jupiter. Four are big enough and bright enough to be seen from Earth using a pair of binoculars. These four moons were first discovered by Galileo in 1610. They are called the Galilean moons . The figure below shows the four Galilea... |
medmcqa | medmcqa_05_01435 | Prophylactic craniospinal irradiation is recommended in: | [
"Astrocytoma",
"Posterior fossa ependymoma",
"Meningioma",
"Medulloblastoma"
] | D | PROPHYLACTIC CRANIOSPINAL IRRADIATION Prophylactic craniospinal irradiation is useful in CNS malignancy which disseminate CSF or any malignancy with high risk of CNS spreadQ. Common Indications Less Common Indications MedulloblastomaQ GlioblastomaQ GerminomaQ Small cell Carcinoma of LungQ ALLQ Non-Hodgkin's LymphomaQ L... |
openbookqa | obqa_02_03219 | what is the proportionality of a rise in bacteria content and human health? | [
"they are inversely proportional",
"they are in direct proportion",
"they both cancel each other out",
"they lack a relationship"
] | A | reducing bacteria in food prevents illness in people |
sciq | sciq_01_03096 | What type of waves radiate energy out from an earthquake's focus? | [
"abnormal",
"Microwaves",
"seismic",
"volcanic"
] | C | Geologists study earthquake waves to “see” Earth's interior. Waves of energy radiate out from an earthquake’s focus. These are called seismic waves ( Figure below ). Seismic waves change speed as they move through different materials. This causes them to bend. Some seismic waves do not travel through liquids or gases. ... |
ARC-Easy | arc_04_00246 | Which metric unit is used to describe an object's length? | [
"gram (g)",
"milliliter (mL)",
"centimeter (cm)",
"degree Celsius (°C)"
] | C | null |
sciq | sciq_01_04751 | Melting, sublimation, and evaporation absorb what from their surroundings? | [
"cold",
"heat",
"moisture",
"vibration"
] | B | Melting, sublimation, and evaporation absorb heat from their surroundings. Freezing, deposition, and condensation release heat. |
sciq | sciq_01_10973 | Reflection, refraction, and diffraction are examples of what type of interaction? | [
"Currents",
"waves",
"winds",
"Oscillations"
] | B | Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. The types of interactions are reflection, refraction, and diffraction. Each type of interaction is described in detail below. You can see animations of the three types at this URL: http://www. acoustics. salfo... |
medmcqa | medmcqa_05_01705 | Constrictions of the esophagus, when measured from upper incisors, are present at? | [
"15 cm, 20 cm, 40 cm",
"15 cm, 25 cm, 40 cm",
"20 cm, 30 cm, 40 cm",
"30 cm, 40 cm. 60 cm"
] | B | It is a fibromuscular tube, about 25 cm long in an adult.
It extends from the lower end of the pharynx (C6) to the cardiac end of the stomach (Til).
It runs Vertically but inclines to the left from its origin to thoracic inlet and again from T7 to oesophageal opening in the diaphragm.
It shows three normal constrictio... |
sciq | sciq_01_07116 | What abbreviated form refers to oxidation-reduction reactions, which are part of respiration and photosynthesis? | [
"oxid reactions",
"reflex reactions",
"redox reactions",
"morph reactions"
] | C | In stoichiometry, quantities of reactants and/or products can be related to each other using the balanced chemical equation. The coefficients in a balanced chemical reaction are used to devise the proper ratios that relate the number of molecules of one substance to the number of molecules of another substance. Chemica... |
sciq | sciq_01_07992 | What subphylum, which includes crabs and crayfish, represents the dominant aquatic arthropods? | [
"arachnids",
"sponges",
"invertebrates",
"crustaceans"
] | D | Crustaceans, such as shrimp, lobsters, crabs, and crayfish, are the dominant aquatic arthropods. A few crustaceans are [3] terrestrial species like the pill bugs or sow bugs. The number of described crustacean species stands at about 47,000. Although the basic body plan in crustaceans is similar to the Hexapoda—head, t... |
openbookqa | obqa_02_03061 | if a person looked a their head in a mirror, and moved toward it, what would happen? | [
"the head would start to grow",
"the head would disappear",
"the head would start to shrink",
"the head would explode"
] | A | as distance from an object decreases , that object will appear larger |
medmcqa | medmcqa_05_03477 | Best for staging anal Ca. Is | [
"MRI",
"PET CT",
"CECT",
"Transrectal usg + DRE"
] | B | Overall best for staging is PET CT.
For T stage transrectal usg is used. |
medmcqa | medmcqa_05_03941 | Most common benign tumours during infancy is- | [
"Lymphangioma",
"Hemangioma",
"Cystic hygroma",
"Lipoma"
] | B | Ans. is 'b' i.e., Hemangioma o Hemangiomas, the most common benign tumors of infancy, occur in 10% of term infants. |
openbookqa | obqa_02_04421 | A warm glass place in the fridge will | [
"glow",
"condensate",
"shrink",
"crack"
] | B | water vapor cooling causes that water vapor to condense |
openbookqa | obqa_02_03349 | What can help you sleep soundly? | [
"torture",
"anxiety",
"ear plugs",
"stress"
] | C | when sound reaches the ear , that sound can be heard |
math_qa | mathqa_03_02702 | x , y , and z are different prime numbers . the product x ^ 3 * y ^ 2 * z ^ 2 is divisible by how many different positive numbers ? | [
"24",
"36",
"48",
"60"
] | B | "the exponents of x ^ 3 * y ^ 2 * z ^ 2 are 3 , 2 , and 2 . the number of factors is ( 3 + 1 ) ( 2 + 1 ) ( 2 + 1 ) = 36 the answer is b ." |
math_qa | mathqa_03_04219 | in what ratio must tea at rs . 64 per kg be mixed with tea at rs . 74 per kg so that the mixture must be worth rs . 69 per kg ? | [
"1 : 1",
"3 : 2",
"4 : 3",
"5 : 3"
] | A | "required ratio = 500 : 500 = 1 : 1 answer a" |
math_qa | mathqa_03_04296 | what is the smallest integer that is multiple of 5 , 7,8 | [
"a",
"b",
"c",
"d"
] | D | "it is the lcm of 5 , 7 and 8 which is 280 . the answer is d ." |
sciq | sciq_01_04505 | Echinoderms are found in many different ocean environments, but most are found where? | [
"in reefs",
"in beaches",
"in tidepools",
"in waterfalls"
] | A | Echinoderms are found in many different ocean environments, but most are found in reefs. |
math_qa | mathqa_03_03665 | in the quadratic equation ax 2 - x - 12 = 0 , if the sum of two roots is 1 , what is the product of the two roots ? | [
"- 12",
"- 6",
"12",
"6"
] | A | explanation : the sum of the roots of the quadratic equation ax 2 + bx + c = 0 are ( - b / a ) and the product of the roots are ( c / a ) . thus , in the equation ax 2 - 11 x + 40 = 0 , where a = a , b = - 1 and c = - 12 . we get , sum of the roots = 1 / a = 1 a = 1 product of the roots = - 12 / 1 = - 12 answer : a |
sciq | sciq_01_04098 | Large increases in the diversity of life have resulted from adaptive radiations that followed what? | [
"mass extinctions",
"mass mutations",
"glaciers",
"mass migrations"
] | A | |
medmcqa | medmcqa_05_04269 | Omovertebral bone is associated with? | [
"Scoliosis",
"Hemivertebra",
"Springel's deformity",
"Cervical rib"
] | C | Ans. C. Springel's deformity. (Ref. Bailey and Love 25th/pg. 486; Fig. 34.2)Klippel-Feil Syndrome# Triad- nshort necks, alow hairlines, and ^Restriction of neck movements due to cervical vertebral fusion.# Other features:# Congenital genitourinary tract, auditory system, spinal cord, CVS and other MSK anomalies are ass... |
sciq | sciq_01_09322 | What is produced during the hydrogenation of vegetable oils? | [
"partially-hydrogenated fatty acids",
"complete fatty acids",
"rich fatty acids",
"trans fatty acids"
] | D | taste, and nutrition of butter. (Preservatives and antioxidants are also added. ) In most commercial peanut butter, the peanut oil has been partially hydrogenated to prevent it from separating out. Consumers could decrease the amount of saturated fat in their diet by using the original unprocessed oils on their foods, ... |
sciq | sciq_01_04667 | What type of lenses can correct myopia? | [
"concave lenses",
"diffusion lenses",
"polarized lenses",
"convex lenses"
] | A | Nearsightedness, or myopia, is the condition in which nearby objects are seen clearly, but distant objects appear blurry. The eyeball is longer than normal, focusing images front of the retina. Concave lenses can correct the problem. |
medmcqa | medmcqa_05_01079 | A widely used the drug that suppresses cellular immunity,inhibits prostaglandin and leukotriene synthesis and increases the catabolism of IgG antibody is | [
"Cyclophosphamide",
"Predisone",
"Cyclosporine",
"Infliximab"
] | B | Ref-KDT 6/e p828,838 Glucocoicoids are powerful immunosuppresants. These inhibit both cellular and humoral immunity by: Decreasing the recruitment of immune cells Catabolism of immunoglobulins. Inhibiting the enzyme phospholipase A, resulting in decreased production of PGs,LTs and TXs |
ARC-Challenge | arc_04_02632 | During sexual reproduction, a sperm cell fertilizes an egg cell to form a fertilized egg. The fertilized egg then develops into a new organism. Which statement describes the primary advantage of sexual reproduction over asexual reproduction? | [
"Sexual reproduction produces identical offspring.",
"Sexual reproduction results in less adaptable offspring.",
"Sexual reproduction generates a large number of offspring.",
"Sexual reproduction results in genetic variation in offspring."
] | D | null |
ARC-Easy | arc_04_00298 | A car may produce many forms of energy from the fuel it uses. Which indicates that a car does not use fuel with 100% efficiency? | [
"The car changes speed.",
"The car engine gets hot.",
"The car stops quickly.",
"The car slides on slippery streets."
] | B | null |
openbookqa | obqa_02_04684 | When a cell takes in in oxygen an use cellular respiration it will then expire | [
"water",
"smoke",
"CO2",
"sunlight"
] | C | In the cellular respiration process carbon dioxide is a waste product |
sciq | sciq_01_10131 | What is the time it takes for radioactive substance to decay? | [
"half-life",
"deterioration rate",
"decay rate",
"full-life"
] | A | The disintegration of unstable nuclei does not occur all at once. The rate of disintegration is a statistical process. The most convenient way to consider it is by a concept known as half-life . The time required for half of the atoms in any given quantity of a radioactive substance to decay is the half-life of that el... |
sciq | sciq_01_03204 | Not even light can escape from what extremely dense object sometimes found in deep space? | [
"black holes",
"large holes",
"star holes",
"light holes"
] | A | Black holes Black holes are objects having such large gravitational fields that things can fall in, but nothing, not even light, can escape. Bodies, like the Earth or the Sun, have what is called an escape velocity. If an object moves straight up from the body, starting at the escape velocity, it will just be able to e... |
sciq | sciq_01_08415 | Hydrocarbons in which all carbons are connected by single bonds are called? | [
"acids",
"enzymes",
"alkanes",
"lipids"
] | C | Hydrocarbons are molecules that contain only carbon and hydrogen atoms. Because each carbon atom can form covalent bonds with up to four other atoms, very large and complex molecules can be formed just from these two elements. Hydrocarbons in which all carbons are connected by single bonds are known as alkanes . If a C... |
medmcqa | medmcqa_05_04638 | Which of the following presents with a "string of pearl appearance"? | [
"Pemphigus vulgaris",
"Bullous pemphigoid",
"Linear IgA disease",
"Dermatitis herpetiformis"
] | C | The lesions in Linear IgA disease with a bimodal age distribution ie 60 yrs comprise of uicated plaques and papules, and annular, polycyclic lesions often with blistering around the edge, the string of pearls sign/cluster of jewels sign. |
openbookqa | obqa_02_02103 | A calf born in a warm season will do what better than a calf born in a cold season? | [
"see",
"stand",
"sense",
"flourish"
] | D | an animal being born when food is available has a positive impact on that animal 's health |
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