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 ⌀ |
|---|---|---|---|---|---|
math_qa | mathqa_03_04491 | a small college reduced its faculty by approximately 13 percent to 195 professors . what was the original number of faculty members ? | [
"182",
"208",
"224",
"254"
] | C | "f x is the original number of faculty members , then after 13 % reduction in faculty members number is . 87 x but we are given . 87 x = 195 x = 224 so the original number of faculty members is 224 correct answer - c" |
ARC-Easy | arc_04_00164 | Which gravitational pull has the greatest influence on Earth's tides? | [
"the gravitational pull between Earth and the Moon",
"the gravitational pull between Earth and the Sun",
"the gravitational pull between Earth and Jupiter",
"the gravitational pull between Earth and Mars"
] | A | null |
math_qa | mathqa_03_00441 | the ages of two persons differ by 12 years . if 5 years ago , the elder one be 5 times as old as the younger one , their present ages ( in years ) are respectively | [
"20,20",
"20,8",
"25,15",
"30,10"
] | B | "explanation : let their ages be x and ( x + 12 ) years . 5 ( x - 5 ) = ( x + 12 - 5 ) or 4 x = 32 or x = 8 . their present ages are 20 years and 8 years option b" |
sciq | sciq_01_01404 | During metamorphosis, most salamander species go through what aquatic stage on the way to becoming adults? | [
"prophase",
"anaphase",
"larval stage",
"metaphase"
] | C | |
math_qa | mathqa_03_02334 | a sucrose solution contains 10 grams of sucrose per 100 cubic centimeters of solution . if 60 cubic centimeters of the solution were poured into an empty container , how many grams of sucrose would be in the container ? | [
"4.00'",
"6.00'",
"5.50'",
"6.50'"
] | B | we are given that a sucrose solution contains 10 grams of sucrose per 100 cubic centimeters of solution . since we are dealing with a solution , we know that the grams of sucrose is proportional to the number of cubic centimeters of solution . thus , to determine how many grams of sucrose would be in the container when... |
sciq | sciq_01_11549 | What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids? | [
"immunologists",
"endocrinologists",
"virologists",
"vaccinologists"
] | A | Immunologist The variations in peripheral proteins and carbohydrates that affect a cell’s recognition sites are of prime interest in immunology. These changes are taken into consideration in vaccine development. Many infectious diseases, such as smallpox, polio, diphtheria, and tetanus, were conquered by the use of vac... |
ARC-Easy | arc_04_01478 | The iron in iron-rich red soils may not be in a form that can be taken up by tree roots. As a result, leaves and needles may look yellow. Some trees release acids that convert iron in soil to a usable form. This change in soil chemistry is a type of which process? | [
"deposition",
"weathering",
"precipitation",
"photosynthesis"
] | B | null |
openbookqa | obqa_02_02405 | Usually, plants naturally decrease their intake of water in roots and branches to withstand | [
"springtime",
"rising temperatures",
"cool breezes",
"very cold temperatures"
] | D | usually plants die or become dormant during the winter |
sciq | sciq_01_03401 | In a controlled scientific study, what do you call a factor that can take on different values? | [
"variable",
"vector",
"input",
"output"
] | A | An experiment is a controlled scientific study of specific variables. A variable is a factor that can take on different values. For example, the speed of an object down a ramp might be one variable, and the steepness of the ramp might be another. |
sciq | sciq_01_04459 | What are the three types of rna involved in protein synthesis? | [
"messenger, transfer, and organic",
"messenger, organic and transfer",
"organic , transfer , and ribosomal",
"messenger, transfer, and ribosomal"
] | D | There are three types of RNA involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribisomal RNA (rRNA). All three of these nucleic acids work together to produce a protein. The mRNA takes the genetic instructions from the nucleus to the cytoplasm, where the ribosomes are located. Ribosomes are ... |
math_qa | mathqa_03_02168 | 50 liters of a mixture contains milk and water in the ratio 3 : 2 . if 5 liters of this mixture be replaced by 5 liters of milk , the ratio of milk to water in the new mixture would be ? | [
"6 : 5",
"6 : 2",
"6 : 4",
"7 : 4"
] | D | "quantity of milk in 50 liters if mix = 50 * 3 / 5 = 30 liters quantity of milk in 55 liters of new mix = 30 + 5 = 35 liters quantity of water in it = 55 - 35 = 20 liters ratio of milk and water in new mix = 35 : 20 = 7 : 4 answer is d" |
math_qa | mathqa_03_01385 | a man buys an article for $ 20 . and sells it for $ 35 . find the gain percent ? | [
"25 %",
"50 %",
"20 %",
"75 %"
] | D | "c . p . = $ 20 s . p . = $ 35 gain = $ 15 gain % = 15 / 20 * 100 = 75 % answer is d" |
openbookqa | obqa_02_04858 | If water gets _____, it may cause a chemical reaction | [
"hotter",
"empty",
"air",
"afraid"
] | A | adding heat to an object sometimes causes chemical reactions |
math_qa | mathqa_03_04266 | if the difference between compound interest ( interest compounded yearly ) and simple interest on a sum for 2 years at 10 % p . a . is rs . 150 then sum is | [
"rs . 12000",
"rs . 15000",
"rs . 13000",
"rs . 10000"
] | B | compund interest = p [ 1 + r / 100 ] ^ t - p ci = p [ 21 / 100 ] simple interest = ptr / 100 si = p [ 20 / 100 ] difference p [ 21 / 100 ] - p [ 20 / 100 ] = 150 p = 15000 answer : b |
sciq | sciq_01_06468 | Wave amplitude of a transverse wave is the difference in height between what and the resting position? | [
"a valley",
"a magnitude",
"a cascade",
"a crest"
] | D | Wave amplitude of a transverse wave is the difference in height between a crest and the resting position. Wave amplitude of a longitudinal wave is the distance between particles of the medium where it is compressed by the wave. |
math_qa | mathqa_03_03791 | in a certain pond , 70 fish were caught , tagged , and returned to the pond . a few days later , 50 fish were caught again , of which 2 were found to have been tagged . if the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond , what is the approximate number of fish in the p... | [
"400",
"625",
"1,750",
"2,500"
] | C | "this is a rather straight forward ratio problem . 1 . 70 fish tagged 2 . 2 out of the 50 fish caught were tagged thus 2 / 50 2 / 50 = 70 / x thus , x = 1750 think of the analogy : 2 fish is to 50 fish as 50 fish is to . . . ? you ' ve tagged 50 fish and you need to find what that comprises as a percentage of the total... |
medmcqa | medmcqa_05_04749 | Equal number of nucleotide bases are seen between which pair of nucleotides: | [
"A=G",
"G=T",
"G=C",
"A=C"
] | C | Ans. (c) G=CRef: Harper's Biochemistry; 30th ed. pg. 360-361Chargaffs Rules for Double stranded (ds) DNA| |* In all cellular DNAs regardless of species-- Number of adenosine residues is equal to no. of thymidine residues (i.e. A=T).- No. of guanosine residues is equal to no. of cystidine residues (G=C)* From these rela... |
sciq | sciq_01_10851 | Where does most geological activity takes place? | [
"in coastal areas",
"at ocean bottoms",
"in mountain ranges",
"at plate boundaries"
] | D | Most geological activity takes place at plate boundaries. But some activity does not. Much of this intraplate activity is found at hot spots. Hotspots are plumes of hot material that rise through the mantle. Hotspot volcanoes erupt when the hot material melts to create magma. |
medmcqa | medmcqa_05_04793 | Parasympathetic stimulation of nerves innervating the islets of the pancreas will: | [
"Have no effect",
"Increase secretion of insulin from B cells",
"Decrease secretion of insulin from B cells",
"Increase secretion of glucagon from B cells"
] | B | The pancreatic islets receive innervation from both the sympathetic and parasympathetic nervous system. Stimulation of the parasympathetic system increases secretion of insulin from the B cells. Stimulation of the sympathetic system increases glucagon secretion from the A cells. Insulin is inhibited by sympathetic stim... |
medmcqa | medmcqa_05_01967 | Common age group for otosclerosis is | [
"5-10 years",
"10-20 years",
"20-30 years",
"30-45 years"
] | C | Otosclerosis, more aptly called otospongiosis, is a primary disease of the bony labyrinth. In this, one or more foci of irregularly laid spongy bone replace pa of the normally dense enchondral layer of the bony otic capsule.Age of onset. Hearing loss usually stas between 20 and 30 years of age and is rare before 10 and... |
sciq | sciq_01_08408 | Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star? | [
"telescope",
"accelerator",
"gyroscope",
"compass"
] | C | Earth itself acts like a gigantic gyroscope. Its angular momentum is along its axis and points at Polaris, the North Star. But Earth is slowly precessing (once in about 26,000 years) due to the torque of the Sun and the Moon on its nonspherical shape. |
sciq | sciq_01_05349 | What is the process in which gases are exchanged between the body and the outside air? | [
"metabolism",
"ingestion",
"respiration",
"precipitation"
] | C | Respiration is the process in which gases are exchanged between the body and the outside air. The lungs and other organs of the respiratory system bring oxygen into the body and release carbon dioxide into the atmosphere. |
medmcqa | medmcqa_05_04365 | Prions are killed by: | [
"Autoclave",
"Ethylene dioxide",
"Gamma radiation",
"Autoclave and NaOH"
] | D | Ans. is 'd' i.e., Autoclave and NaOHPrions can be destroyed by one of these four options:Option 1. Autoclave at 134degC for 18 minutes in a prevacuum sterilizer.Option 2. Autoclave at 132degC for 1 hour in a gravity displacement sterilizer.Option 3. Immerse in 1NNaOH(1NaOHis a solution of 40gNaOH 1Lwater) for 1 hour; r... |
openbookqa | obqa_02_02687 | Which is the most accurate statement? | [
"a phone's brain controls its body",
"a rock's brain controls its body",
"a sloth's brain controls its body",
"a bacteria's brain controls its body"
] | C | an animal 's brain controls that animal |
math_qa | mathqa_03_03610 | if ( t - 8 ) is a factor of t ^ 2 - kt - 40 , then k = | [
"16",
"1",
"2",
"6"
] | B | "t ^ 2 - kt - 48 = ( t - 8 ) ( t + m ) where m is any positive integer . if 48 / 8 = 6 , then we know as a matter of fact that : m = + 6 and thus k = 8 - 6 = 1 t ^ 2 - kt - m = ( t - a ) ( t + m ) where a > m t ^ 2 + kt - m = ( t - a ) ( t + m ) where a < m t ^ 2 - kt + m = ( t - a ) ( t - m ) t ^ 2 + kt + m = ( t + a ... |
math_qa | mathqa_03_01612 | a metallic sheet is of rectangular shape with dimensions 48 m x 36 m . from each of its corners , a square is cut off so as to make an open box . if the length of the square is 8 m , the volume of the box ( in m 3 ) is : | [
"4830",
"5120",
"6420",
"8960"
] | B | "explanation clearly , l = ( 48 – 16 ) m = 32 m , b = ( 36 - 16 ) m = 20 m , h = 8 m . volume of the box = ( 32 x 20 x 8 ) m 3 = 5120 m 3 . answer b" |
sciq | sciq_01_08583 | The variation in a sample can be represented by what quantity, which means the total spread of values? | [
"variety",
"range",
"mode",
"median"
] | B | The variation in a sample can be represented by the range, or the total spread of values. |
openbookqa | obqa_02_03998 | Bacteria in the soil feed on | [
"uranium",
"expired creatures",
"crowd sourced work",
"kryptonite"
] | B | In the food chain process bacteria have the role of decomposer |
sciq | sciq_01_01237 | Are bones considered living or dead tissues? | [
"living",
"decaying",
"dead",
"decomposing"
] | A | From seeing a skeleton, you might think that bones are just dead, hollow structures. But in a living person, those hollow spaces are full of living cells. Bones have a blood supply and nerves. Bones are a living tissue. |
medmcqa | medmcqa_05_04300 | L'Hermittes' sign is characteristic feature of | [
"Syringomyelia",
"Tabes dorsalis",
"Multiple sclerosis",
"Parkinsonism"
] | C | (C) Multiple sclerosis # Lhermitte's Sign, sometimes called the Barber Chair phenomenon, is an electrical sensation that runs down the back and into the limbs, and is produced by bending the neck forward.> Sign suggests a lesion of the dorsal columns of the cervical cord or of the caudal medulla.> Multiple sclerosis: A... |
math_qa | mathqa_03_04589 | a 280 meter long train running at the speed of 120 kmph crosses another train running in the opposite direction at the speed of 80 kmph in 9 seconds . what is the lenght of other train . | [
"210 m",
"220 m",
"230 m",
"240 m"
] | B | "relative speeds = ( 120 + 80 ) km / hr = 200 km / hr = ( 200 * 5 / 18 ) m / s = ( 500 / 9 ) m / s let length of train be xm x + 280 / 9 = 500 / 9 x = 220 ans is 220 m answer : b" |
medmcqa | medmcqa_05_04084 | Contraindication to Hepatitis-B vaccine:- | [
"Prematurity",
"Weight - 2400gm",
"Breech delivery",
"Low APGAR score"
] | A | - Vaccine contraindicated in pre-term baby with bih weight < 2 kg is Hepatitis B - Vaccines & their contraindications: - Pregnancy - All live vaccines are CI except yellow fever vaccine - HIV +ve - Asymptomatic adult - no CI - Symptomatic adult - all live vaccines are CI except MMR, Varicella, Zoster vaccines - New bor... |
openbookqa | obqa_02_03869 | looking directly at an eclipse of the Sun causes harm to the | [
"trees",
"clouds",
"rocks",
"organic light receptacle"
] | D | looking directly at an eclipse of the Sun causes harm to the eyes |
ARC-Easy | arc_04_00255 | David planted ten corn seeds in sandy soil and ten corn seeds in clay soil. He kept both groups of plants at room temperature, gave them the same amount of water, and placed them all in the same sunny room. Which of the following questions is David most able to answer with his experiment? | [
"How much soil and water do corn seeds need to grow?",
"Do corn plants grow better in sandy soil or in clay soil?",
"Do corn plants grown in sandy soil need more water than corn plants grown in clay soil?",
"What are the effects of soil, temperature, water, and sunshine on the growth of corn plants?"
] | B | null |
math_qa | mathqa_03_02904 | the inner circumference of a circular race track , 14 m wide is 440 m . find the radius of the outer circle . | [
"84",
"12",
"67",
"28"
] | A | "explanation : let inner radius be r meters . { \ color { black } then , 2 \ pi r = 440 \ rightarrow r = 440 \ times \ frac { 7 } { 22 } \ times \ frac { 1 } { 2 } = 70 m } radius of outer circle = 70 + 14 = 84 m answer : a ) 84 m" |
openbookqa | obqa_02_04481 | Who'd be able to see a rose is pink at night? | [
"rocks",
"the Rio Grande",
"a beeping sound",
"lemurs"
] | D | the moon reflects sunlight towards the Earth |
sciq | sciq_01_07845 | What gems are created by mollusks, such as oysters? | [
"crystals",
"turquoise",
"diamonds",
"pearls"
] | D | Pearls are highly valued as gemstones. Most gemstones come from the Earth, but pearls come from living things. They are created by mollusks, such as oysters. |
openbookqa | obqa_02_02538 | It's June in Australia so I should make sure to wear | [
"mittens",
"shorts",
"flip flops",
"a bathing suit"
] | A | June is during the winter in the southern hemisphere |
medmcqa | medmcqa_05_03298 | A lesion 3cms away from gastroesophageal junction contain columnar epithelium ,such a type of lesion is | [
"Metaplasia",
"Hyperplasia",
"Dysplasia",
"Anaplasia"
] | A | Ref Robbins 8/e p10,265,;9/e p271 Metastasis Metastases are secondary implants of a tumor that are dis- continuous with the primary tumor and located in remote tissues (Fig. 5-11). More than any other attribute, the propey of metastasis identifies a neoplasm as malignant. Not all cancers have equivalent ability to meta... |
openbookqa | obqa_02_00652 | The doorbell was pushed, but sound failed to emit. What might cause this? | [
"atmospheric pressure",
"Batteries dead",
"storm",
"temperature"
] | B | a doorbell converts electrical energy into sound |
sciq | sciq_01_02626 | What kind of reproduction generates new individuals without fusion of an egg and sperm? | [
"sexual",
"asexual",
"propagation",
"gametes"
] | B | |
ARC-Easy | arc_04_00205 | An organ pipe produces a musical note same number of nitrogen gas molecules. with a wavelength of 2.72 m. What is the frequency of this note if the speed of sound is 348 m/s? | [
"85.7 Hz",
"128 Hz",
"260 Hz",
"466 Hz"
] | B | null |
math_qa | mathqa_03_02207 | 80 is what percent of 160 ? | [
"35 %",
"40 %",
"45 %",
"50 %"
] | D | 80 / 160 × 100 = 50 % answer : d |
sciq | sciq_01_09440 | A disaccharide is a pair of monosaccharides. disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). three disaccharides (shown in figure 2.19) are important to humans. these are sucrose, commonly referred to as table sugar; lactose, or milk ... | [
"saccharin",
"malt sugar",
"sucralose",
"fruit sugar"
] | B | Disaccharides A disaccharide is a pair of monosaccharides. Disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). Three disaccharides (shown in Figure 2.19) are important to humans. These are sucrose, commonly referred to as table sugar; lac... |
sciq | sciq_01_09739 | Damages and deaths are directly affected by what in an earthquake? | [
"structures",
"construction",
"shaking",
"natural"
] | B | The type of construction has a tremendous effect on what happens during an earthquake. Damage and deaths are directly affected by the construction in an earthquake. For example, enormous damage was done in the 2011 Christchurch, New Zealand earthquake. However, far less was damaged in an earthquake of the same magnitud... |
medmcqa | medmcqa_05_03438 | Maximum incidence of developmental defects is seen in: | [
"Primary incisor",
"Permanent incisors",
"Permanent mandibular first molar",
"Primary mandibular second molar"
] | B | Maximum incidence of developmental defects is seen in permanent incisors. |
sciq | sciq_01_09954 | What is defined as a close relationship between organisms of different species in which at least one of the organisms benefits? | [
"co-operative",
"parasitic",
"endosymbiosis",
"symbiosis"
] | D | Symbiosis is a close relationship between organisms of different species in which at least one of the organisms benefits. The other organism may also benefit, it may be unaffected by the relationship, or it may be harmed by the relationship. Figure below shows an example of symbiosis. The birds in the picture are able ... |
openbookqa | obqa_02_03269 | After several months, a cardboard box left outside is all misshapen and has holes in it | [
"the elements broke it down",
"radiation completely destroyed it",
"an elf messed with the box",
"bees ate holes in it"
] | A | breaking down an object changes that object 's shape and mass |
ARC-Challenge | arc_04_02224 | Stars are organized into patterns called constellations. One constellation is named Leo. Which statement best explains why Leo appears in different areas of the sky throughout the year? | [
"Earth revolves around the sun.",
"The sun revolves around Earth.",
"The constellations revolve around Earth.",
"Earth revolves around the constellations."
] | A | null |
openbookqa | obqa_02_00610 | What forms craters on planets? | [
"sunlight",
"thunder",
"space stones",
"digging"
] | C | usually craters on planets are formed by asteroids impacting that planet or moon 's surface |
medmcqa | medmcqa_05_03948 | Fatty acids of cholesterol are mainly: | [
"Oleic acid",
"Linoleic acid",
"Linolenic acid",
"Palmitic acid"
] | D | D i.e. Palmitic acid; E i.e. Stearic acidBoth cholesterol and ketone bodies are synthesize from (3) beta hydroxyl (3) beta methyl glutary CoA (ie HMG CoA). So enzymes, thiolase & HMG CoA synthase involved in conversion of acetyl CoA to HMG CoA are common to synthesis of cholesterol and ketone bodies bothQ. However, cyt... |
sciq | sciq_01_08460 | How many main types of diabetes are there? | [
"two",
"one",
"three",
"six"
] | A | There are two main types of diabetes, type 1 diabetes and type 2 diabetes. Type 1 diabetes makes up about 5-10% of all cases of diabetes in the United States. Type 2 diabetes accounts for most of the other cases. Both types of diabetes are more likely in people that have certain genes. Having a family member with diabe... |
sciq | sciq_01_01110 | What phase of a human life does not have a definite starting point? | [
"adolescence",
"adulthood",
"death",
"childhood"
] | B | Adulthood does not have a definite starting point. A person may be physically mature by age 16 or 17 but not defined as an adult by law until older ages. In the U. S. , you can’t join the armed forces or vote until age 18. You can’t buy or use alcohol or take on many legal and financial responsibilities until age 21. |
medmcqa | medmcqa_05_03910 | Most common type of meniscal injury is | [
"Anterior horn tear of Lateral meniscus",
"Anterior horn tear of Medial meniscus",
"Bucket handle type tear of Lateral meniscus",
"Bucket handle type tear of Medial meniscus"
] | D | Medial Vs Lateral MenisciMedial menisciLateral menisciSemilunar shaped Semicircular shaped Larger in radius/diameter but narrower in the body and thinner in periphery Smaller in radius/diameter but wider in the body and thicker in the peripheryPosterior horn is larger than the anterior horn Anterior & Posterior horn ar... |
sciq | sciq_01_03621 | When pumping blood, the hearts of animals with very long necks must overcome what force? | [
"friction",
"gravity",
"evolution",
"erosion"
] | B | |
sciq | sciq_01_07800 | What is the largest of the sinuses? | [
"Maxillary sinus",
"Frontal sinus",
"superior sagittal sinus",
"Sphenoid sinus"
] | C | Venous Drainage of the Brain Circulation to the brain is both critical and complex (see Figure 20.37). Many smaller veins of the brain stem and the superficial veins of the cerebrum lead to larger vessels referred to as intracranial sinuses. These include the superior and inferior sagittal sinuses, straight sinus, cave... |
sciq | sciq_01_11630 | Frogs and toads have long back legs which are specialized for what action? | [
"sprinting",
"swimming",
"jumping",
"flying"
] | C | Frogs The frog order also includes toads. Unlike other amphibians, frogs and toads lack a tail by adulthood. Their back legs are also longer because they are specialized for jumping. Frogs can jump as far as 20 times their body length. That’s like you jumping more than the length of a basketball court! red-eyed tree fr... |
sciq | sciq_01_10276 | What makes the earth habitable for humans? | [
"carbonate of water",
"availability of water",
"abundance of water",
"aridity of water"
] | C | |
sciq | sciq_01_06391 | When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance? | [
"sunshine",
"air",
"nitrogen",
"water"
] | D | The male gametophyte produces flagellated sperm that must swim to the egg formed by the female gametophyte. For this reason, sexual reproduction must happen in the presence of water. Therefore, nonvascular plants tend to live in moist environments. Though the life of a nonvascular seedless plant is a cycle, this can be... |
sciq | sciq_01_09987 | The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate? | [
"isolation",
"extinction",
"accumulation",
"compression"
] | B | 47.2 | The Importance of Biodiversity to Human Life By the end of this section, you will be able to: • Identify chemical diversity benefits to humans • Identify biodiversity components that support human agriculture • Describe ecosystem services It may not be clear why biologists are concerned about biodiversity loss. ... |
medmcqa | medmcqa_05_03104 | Most common cause of maternal mortality - | [
"Anemia",
"Abortion",
"Hemorrhage",
"Infection"
] | C | Ans. is 4c' i.e., Hemorrhage Direct cause of maternal morialitv in IndiaIndirect causes contributeo Severe bleeding (25%)o Infection (15%)o Eclampsia (12%)o Obstructed labour (8%)o Unsafe abortion (13%)o Other direct causes - Ectopic pregnancy, Embolism, Anaesthesia related.o Anaemia (19%)o Malariao Heart diseases |
medmcqa | medmcqa_05_01998 | Risk of the damage to the fetus by maternal rubella is maximum if the mother gets infected in - | [
"6-12 weeks of pregnancy",
"20-24 weeks of pregnancy",
"24-28 weeks of pregnancy",
"32-36 weeks of pregnancy"
] | A | Ans. is ‘a’ i.e., 6-12 weeks of pregnancy
Congenital rubella syndrome (CRS) refers to infants born with defects secondary to intrauterine infection or who
manifest symptoms or signs of intrauterine infection sometimes after birth.
Rubella infection inhibits cell division and this is probably the reason for congenital m... |
sciq | sciq_01_03018 | What is the largest artery in the body called? | [
"carotid",
"radial",
"aorta",
"ventricular"
] | C | Flaps of tissue called valves separate the heart’s chambers. Valves keep blood flowing in just one direction through the heart. For example, a valve at the bottom of the right atrium opens to let blood flow from the right atrium to the right ventricle. Then the valve closes so the blood can’t flow back into the right a... |
sciq | sciq_01_09532 | What system of the body can specifically protect you from pathogens and other things that might make you ill? | [
"muscle",
"digestion",
"cardiovascular",
"immune"
] | D | The immune system usually protects you from pathogens and other causes of disease. When the immune system is working properly, it keeps you from getting sick. But the immune system is like any other system of the body. It can break down or develop diseases. |
sciq | sciq_01_03257 | Electromagnetic radiation behaves like particles as well as what? | [
"points",
"waves",
"currents",
"fluids"
] | B | Electromagnetic radiation behaves like particles as well as waves. This prompted Albert Einstein to develop his wave-particle theory. |
openbookqa | obqa_02_02595 | In order for trees to use sunlight they must | [
"their roots",
"the light switch",
"CPR",
"respire"
] | D | living things require respiration to use energy |
sciq | sciq_01_08744 | What can be thought of as the most biologically productive regions on earth? | [
"coasts",
"forests",
"estuaries",
"swamps"
] | C | An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the ocean. Estuaries can be thought of as the most biologically productive regions on Earth, with very high biodiversity. Estuaries are zones where land and sea come together, and wher... |
sciq | sciq_01_09227 | What are resources that don't run out? | [
"general resources",
"renewable resources",
"orbital resources",
"residual resources"
] | B | Renewable resources can be renewed as they are used. An example is timber , which comes from trees. New trees can be planted to replace those that are cut down. Sunlight is a renewable resource. It seems we will never run out of that! What are some other renewable resources?. |
sciq | sciq_01_11185 | What is the the force of attraction that holds together ions? | [
"soluble bond",
"magnetic bond",
"covalent bond",
"ionic bond"
] | D | An ionic bond is the force of attraction that holds together positive and negative ions. It forms when atoms of a metallic element give up electrons to atoms of a nonmetallic element. |
ARC-Easy | arc_04_01400 | Which part of the atom has a negative charge? | [
"neutron",
"nucleus",
"electron",
"proton"
] | C | null |
openbookqa | obqa_02_03902 | A monkey births live what? | [
"hares",
"younglings",
"rats",
"dogs"
] | B | a monkey births live young |
openbookqa | obqa_02_01820 | dead organisms are the source of what for decomposers? | [
"place to sleep",
"art",
"friendship",
"sustenance"
] | D | dead organisms are the source of nutrients for decomposers |
sciq | sciq_01_09429 | What is the most common cause of dwarfism? | [
"deformity",
"achondroplasia",
"hypothyroidism",
"retinopathy"
] | B | Whereas cystic fibrosis, Tay-Sachs, and phenylketonuria are all autosomal recessive disorders, achondroplasia is an autosomal dominant disorder. Achondroplasia is the most common cause of dwarfism in humans. Achondroplasia is a result of an autosomal dominant mutation in the fibroblast growth factor receptor gene 3 (FG... |
openbookqa | obqa_02_01686 | Glaciers doing what has a negative impact on the glacial environment? | [
"liquifying",
"growing",
"freezing",
"cooling"
] | A | glaciers melting has a negative impact on the glaicial environment |
math_qa | mathqa_03_03913 | a train passes a station platform in 35 sec and a man standing on the platform in 20 sec . if the speed of the train is 54 km / hr . what is the length of the platform ? | [
"228",
"240",
"225",
"166"
] | C | "speed = 54 * 5 / 18 = 15 m / sec . length of the train = 15 * 20 = 300 m . let the length of the platform be x m . then , ( x + 300 ) / 35 = 15 = > x = 225 m . answer : c" |
sciq | sciq_01_04410 | The addition of starting materials and the removal of end products prevent metabolism from reaching what state? | [
"imbalance",
"constant",
"equilibrium",
"inequality"
] | C | |
sciq | sciq_01_08116 | What is it called when a liquid displays more attraction between the liquid particles than attraction between the liquid and the glass? | [
"cohesion",
"stability",
"flexion",
"tension"
] | A | Some liquids, such as mercury, display more attraction between the liquid particles than attraction between the liquid and the glass. This is known as cohesion . The pull between the liquid particles is stronger, so the liquid pulls away from the glass. |
sciq | sciq_01_04788 | What type of gas is delivered to homes to use for cooking and heating? | [
"compounded gas",
"fluid gas",
"natural gas",
"nuetralized gas"
] | C | Natural gas is delivered to homes, where it is used for cooking and heating. Natural gas is also a major energy source for powering turbines to make electricity. Natural gas releases most of its energy as heat when it burns. The power plant is able to use this heat, either in the form of hot gases or steam, to spin tur... |
sciq | sciq_01_11446 | Oxygen reaches what veinless part of the eye by diffusing through its tear layer? | [
"pupil",
"membranes",
"retina",
"cornea"
] | D | 12.7 Molecular Transport Phenomena: Diffusion, Osmosis, and Related Processes 62. You can smell perfume very shortly after opening the bottle. To show that it is not reaching your nose by diffusion, calculate the average distance a perfume molecule moves in one second in air, given its diffusion constant D to be 1.00×1... |
medmcqa | medmcqa_05_04841 | Cuspal angulation for semi anatomic teeth is | [
"18 degrees",
"20 degrees",
"22 degrees",
"24 degrees"
] | B | 20 degrees is the cuspal angulation of semi anatomic teeth. It is wider to corresponding anatomic teeth. |
sciq | sciq_01_10411 | Differences in fitness among different members of a population can lead to what kind of selection? | [
"origin selection",
"subliminal selection",
"natural selection",
"fluid selection"
] | C | Natural selection occurs when there are differences in fitness among members of a population. |
math_qa | mathqa_03_03230 | 9 . the least number which should be added to 28523 so that the sum is exactly divisible by 3 , 5 , 7 and 8 is | [
"41",
"42",
"32",
"37"
] | D | lcm of 3 , 5 , 7 and 8 = 840 28523 ÷ 840 = 33 remainder = 803 hence the least number which should be added = 840 - 803 = 37 answer : option d |
openbookqa | obqa_02_04907 | Illness has a negative impact on the health of what? | [
"rocks",
"bricks",
"llamas",
"plastics"
] | C | illness has a negative impact on an organism 's health |
sciq | sciq_01_04538 | There is always a slightly negative pressure within what cavity, helping keep the airways of the lungs open? | [
"thoracic",
"cervical",
"anal",
"spinal"
] | A | There is always a slightly negative pressure within the thoracic cavity, which aids in keeping the airways of the lungs open. During inhalation, volume increases as a result of contraction of the diaphragm, and pressure decreases (according to Boyle’s Law). This decrease of pressure in the thoracic cavity relative to t... |
openbookqa | obqa_02_03671 | If you are having trouble seeing the TV, what can you do to see it more clearly? | [
"closing your eyes",
"moving closer",
"eating",
"dying"
] | B | as the size of an object appears larger , that object will be observed better |
sciq | sciq_01_02401 | A minority of people on earth use up most of the planet's what, including energy? | [
"air",
"water",
"sand",
"resources"
] | D | Of course not. A minority of people use most of the world’s energy and other resources. Not only are their needs met, but they have many luxuries. Many other people lack resources. Many don’t have enough to eat or live, with the threat of hunger. Many also do not have safe, clean water. Some people live in crowded, run... |
sciq | sciq_01_03236 | Chemists use simple diagrams to show an atom’s valence electrons and how they do what? | [
"transfer",
"bond",
"escape",
"react"
] | A | Lewis Diagrams Chemists use simple diagrams to show an atom’s valence electrons and how they transfer. These diagrams have two advantages over the electron shell diagrams introduced in Chapter 2 "Elements, Atoms, and the Periodic Table". First, they show only valence electrons. Second, instead of having a circle around... |
ARC-Easy | arc_04_00533 | Which of the following is a reason life in the outermost planets is less likely than life on planets nearer the Sun? | [
"They have too little mass.",
"They have too much mass.",
"Their surfaces are extremely hot.",
"Their surfaces are extremely cold."
] | D | null |
sciq | sciq_01_09443 | What is the sac-like organ of the body that is important for both mechanical and chemical digestion? | [
"gall bladder",
"stomach",
"spleen",
"kidney"
] | B | The stomach is a sac-like organ in which food is further digested both mechanically and chemically. (To see an animation of how the stomach digests food, go to the link below. ) Churning movements of the stomach’s thick, muscular walls complete the mechanical breakdown of food. The churning movements also mix food with... |
sciq | sciq_01_09632 | What organs need constant pressure to filter the blood? | [
"lungs",
"dialysis",
"kidneys",
"arteries"
] | C | The kidneys also need constant pressure to filter the blood. When the blood pressure drops too low, the kidneys increase the pressure. One way is by producing angiotensin, a blood vessel-constricting protein. This protein also signals the body to retain sodium and water. Together, the constriction of blood vessels and ... |
sciq | sciq_01_07572 | What are required when the damage from trauma or infection cannot be closed with sutures or staples? | [
"bone grafts",
"skin grafts",
"tree grafts",
"debris grafts"
] | B | Skin grafts are required when the damage from trauma or infection cannot be closed with sutures or staples. Watch this video (http://openstaxcollege. org/l/skingraft) to learn more about skin grafting procedures. |
medmcqa | medmcqa_05_04458 | Wisdom tooth erupts at which age - | [
"6-8 years",
"10-12 years",
"12-15 years",
"17-20 years"
] | D | Ans. is 'd' i.e., 17-20 years o Wisdom teeth are permanent third molarsEruption of temporary teeth(Primary dentition)ToothAge in range (months)Average age (months)Lower CI6-87Upper CI7-98Uppler LI7-98Lower LI10-12111 molar12-1413Canine17-1817[?]5II molar20-3025 Eruption of permanent teeth(Secondary dentition) Age in ra... |
openbookqa | obqa_02_00560 | Seeing stars may become more difficult as | [
"stars are condensed in the sky",
"a greater amount of light is condensed in an area",
"floodlights are used at sea",
"spaceships begin to hover over earth"
] | B | as light pollution increases , seeing the stars will be harder |
sciq | sciq_01_07215 | What kind of surface would cause diffusion when light is reflected off of it? | [
"rough surfaces",
"smooth surfaces",
"hot surfaces",
"cold surfaces"
] | A | The angle of reflection equals the angle of incidence. A mirror has a smooth surface and reflects light at specific angles. Light is diffused when it reflects from a rough surface. Mirror images can be photographed and videotaped by instruments. |
openbookqa | obqa_02_04262 | What has more mass than the moon? | [
"your home planet",
"Skylab",
"the Atlantic ocean",
"pluto"
] | A | the earth has more mass than the moon |
sciq | sciq_01_02808 | Plant-like protists produce oxygen through which process? | [
"respiration",
"photosynthesis",
"metamorphosis",
"glycolysis"
] | B | Plant-like protists are essential to the ecosystem. They are the base of the marine food chain, and they produce oxygen through photosynthesis for animals to breathe. They are classified into a number of basic groups ( Table below ). |
medmcqa | medmcqa_05_00050 | In human body, the action of surfactant is done by | [
"Sugar & salt",
"Soap & water",
"Lipid and protein",
"Base and lipid"
] | C | Dipalmitoylphoshatidylcholine is a phospholipid which along with proteins acts as surfactant. |
medmcqa | medmcqa_05_03321 | First BCG vaccine is prepared from | [
"Mycobacterium tuberculosis",
"Mycobacterium bovis",
"Mycobacterium kansasii",
"Mycobacterium scrofulaceum"
] | B | (B) Mycobacterium bovis > Calmette and Guerin, two French scientists began attenuating a virulent strain of M. bovis in 1906, with a view to develop a vaccine against tuberculosis. After 230 subcultures over a period of 13 years, they were able to evolve a strain - known as bacille Calmette Guerin or BCG - which was av... |
sciq | sciq_01_07029 | A crater can usually be found on the top of what kind of volcanoes? | [
"Dome",
"Compound",
"Shield",
"composite"
] | D | Composite volcanoes usually have craters on the top. Why are the craters sometimes “U” or horseshoe-shaped?. |
sciq | sciq_01_06327 | Along with other elements, most ores are made of what? | [
"crystals",
"coal",
"metal",
"sodium"
] | C | When the ore leaves the mine, it is not yet a useful material ( Figure below ). Most ores are a combination of metal and other elements. The rocks are full of valuable minerals. They also contain rock that isn't valuable, which is called waste rock. The valuable minerals must be separated from the waste rock. |
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