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7.76k
sciq
sciq_01_03094
What element do nuclear power plants use in fuel rods?
[ "boron", "uranium", "magnesium", "plutonium" ]
B
Nuclear power plants use uranium in fuel rods. The fuel rods become nuclear waste. Nuclear waste can be dangerous for hundreds of thousands of years.
ARC-Challenge
arc_04_02819
Which transition is most responsible for gaps in the fossil record?
[ "metamorphic rock to igneous rock", "igneous rock to metamorphic rock", "metamorphic rock to sedimentary rock", "sedimentary rock to metamorphic rock" ]
D
null
sciq
sciq_01_04371
Name the organ located behind the nasal cavity in which both food and air pass through?
[ "sinus", "pharynx", "medulla", "diaphragm" ]
B
Behind the nasal cavity, air passes through the pharynx , a long tube. Both food and air pass through the pharynx.
math_qa
mathqa_03_04317
a certain farmer pays $ 60 per acre per month to rent farmland . how much does the farmer pay per month to rent a rectangular plot of farmland that is 360 feet by 1210 feet ? ( 43,560 square feet = 1 acre )
[ "$ 5,330", "$ 3,360", "$ 1,350", "$ 600" ]
D
basically the question an error . 1 acre = 43,560 square feet and if it is then the answer is 600 ( d )
math_qa
mathqa_03_03548
a 300 m long train crosses a platform in 33 sec while it crosses a signal pole in 18 sec . what is the length of the platform ?
[ "286 m", "250 m", "277 m", "278 m" ]
B
"speed = 300 / 18 = 50 / 3 m / sec . let the length of the platform be x meters . then , ( x + 300 ) / 33 = 50 / 3 = > x = 250 m . answer : b"
openbookqa
obqa_02_02838
The building of a hotel caused many species to be
[ "acclimated", "celebrated", "hunted", "destroyed" ]
D
humans changing an environment sometimes causes that environment to be destroyed
math_qa
mathqa_03_04336
a certain number when divided by 899 leaves the remainder 63 . find the remainder when the same number is divided by 29 .
[ "5", "4", "1", "0" ]
A
"sol . ( a ) number = 899 q + 63 , where q is quotient = 31 × 29 q + ( 58 + 5 ) = 29 [ 31 q + 2 ] + 5 ∴ remainder = 5 answer a"
ARC-Easy
arc_04_01871
The Great Ocean Conveyer ocean current system runs north through the Atlantic from the equatorial region. If this current got disrupted, North American and European climates would become
[ "rainier.", "colder.", "windier.", "more humid." ]
B
null
sciq
sciq_01_01970
Reptiles and birds are the only known living descendants of what?
[ "dinosaurs", "dragons", "mammals", "fossils" ]
A
Crocodilia, containing both alligators and crocodiles, is an order of large reptiles. Reptiles belonging to Crocodilia are the closest living relatives of birds. Reptiles and birds are the only known living descendants of the dinosaurs. Some would day that alligators and crocodiles actually look like small dinosaurs. D...
sciq
sciq_01_05673
Solid balls of water and dust falling from the sky are known as?
[ "hail", "golf balls", "snow", "rain" ]
A
math_qa
mathqa_03_00679
jennifer had $ 120 to spend on herself . she spent 1 / 5 of the money on a sandwich , 1 / 6 for a ticket to a museum , and 1 / 2 of it on a book . how much money does jennifer have left over ?
[ "$ 16", "$ 14", "$ 5", "$ 15" ]
A
"1 / 5 x $ 120 = $ 24 for sandwich 1 / 6 x $ 120 = $ 20 for museum 1 / 2 x $ 120 = $ 60 for book $ 24 + $ 20 + $ 60 = $ 104 spent $ 120 - $ 104 = $ 16 left over correct answer a"
sciq
sciq_01_03801
What is the major cause of outdoor air pollution?
[ "electric lines", "agricultural equipment", "burning fossil fuels", "manufacturing industry" ]
C
The major cause of outdoor air pollution is the burning of fossil fuels. Fossil fuels are burned in power plants, factories, motor vehicles, and home heating systems. Ranching and using chemicals such as fertilizers also cause outdoor air pollution. Erosion of soil in farm fields, mining activities, and construction si...
sciq
sciq_01_03005
What is the term for disease-causing agents, such as bacteria and viruses?
[ "spores", "pathogens", "vaccines", "parasites" ]
B
The body’s first line of defense consists of different types of barriers that keep most pathogens out of the body. Pathogens are disease-causing agents, such as bacteria and viruses. These and other types of pathogens are described in Figure below . Regardless of the type of pathogen, however, the first line of defense...
ARC-Easy
arc_04_00571
Which change would have the greatest negative impact on the survival of an owl species?
[ "an increase in primary consumer population", "an decrease in acid rain", "an decrease in size of habitat", "an increase in producers" ]
C
null
sciq
sciq_01_09081
Biceps brachii, brachialis, and brachioradialis work to flex what part of the body?
[ "lungs", "foot", "leg", "forearm" ]
D
extensors are the triceps brachii and anconeus. The pronators are the pronator teres and the pronator quadratus, and the supinator is the only one that turns the forearm anteriorly. When the forearm faces anteriorly, it is supinated. When the forearm faces posteriorly, it is pronated. The biceps brachii, brachialis, an...
openbookqa
obqa_02_04657
If standing on sparking wires, you feel nothing because
[ "you have sneakers on", "you are simply immune", "you have a hard hat on", "you have pants on" ]
A
an electrical insulator slows the transfer of electricity
openbookqa
obqa_02_04820
Which is a cause of greenhouse gases?
[ "elephants", "pears", "boulders", "oaks" ]
A
animals exhale carbon dioxide from their lungs into the air
sciq
sciq_01_05577
What are the vertical columns of similar chemical properties on the periodic table?
[ "groups", "Family", "zones", "Pods" ]
A
sciq
sciq_01_00641
Not surprisingly, centipedes, millipedes and other members of the subphylum myriapoda are adapted to living on what?
[ "water", "land", "sand", "tree" ]
B
Centipedes and millipedes belong to the subphylum Myriapoda, which contains 13,000 species. They all live on land, which makes sense as all those legs are more adapted to a terrestrial lifestyle, as opposed to an aquatic lifestyle.
math_qa
mathqa_03_04629
a part of certain sum of money is invested at 9 % per annum and the rest at 21 % per annum , if the interest earned in each case for the same period is equal , then ratio of the sums invested is ?
[ "4 : 2", "4 : 8", "7 : 3", "4 : 0" ]
C
"21 : 9 = 7 : 3 answer : c"
medmcqa
medmcqa_05_01021
The sickle shaped fold of dura mater
[ "Falx Cerebri", "Tentorium cerebelli", "Falx cerebelli", "Diaphragma sellae" ]
A
The falx cerebri is a large sickle-shaped fold of dura mater occupying the median longitudinal fissure between the two cerebral hemispheresRef: BD Chaurasia, Volume 3, 6th edition; Page no: 91
sciq
sciq_01_03357
Niche and habitat are concepts related to what broader term?
[ "community", "ecosystem", "population", "biome" ]
B
7. Compare and contrast the ecosystem concepts of niche and habitat.
sciq
sciq_01_03312
What is the ph of pure water?
[ "7", "5", "4", "2" ]
A
milk of magnesia, pH = 10.5 2. pure water, pH = 7 3. wine, pH = 3.0.
medmcqa
medmcqa_05_03409
Which of the following indications of deep brain stimulation is not FDA approved?
[ "OCD", "Major depression", "Parkinsonism", "Dystonia" ]
B
FDA approved indications for deep brain stimulation are: a. Parkinson's disease and essential tremors b. Dystonia c. Obsessive compulsive disorder
ARC-Easy
arc_04_01445
A population of wood mice lives in a cool, moist temperate forest. Several years of hot, dry weather have affected the plants in the area. Which mice in the population are most likely to survive this change and pass their genes on to their offspring?
[ "those with the warmest coats and best camouflage", "the largest and strongest mice in the population", "those with traits most adapted to the new environment", "the youngest and fastest mice in the population" ]
C
null
ARC-Easy
arc_04_00418
Why are seals able to live off the coast of Antarctica while frogs, snakes, and panthers are not?
[ "Seals can swim.", "Seals are predators.", "Seals have fur and blubber.", "Seals are warm-blooded animals." ]
C
null
ARC-Easy
arc_04_00235
What type of precipitation occurs when raindrops freeze as they fall?
[ "hail", "frost", "sleet", "snow" ]
C
null
math_qa
mathqa_03_02356
the number which exceeds 16 % of it by 42 is :
[ "50", "52", "58", "60" ]
A
"solution solution let the number be x . x - 16 % of x = 42 x - 16 / 100 x = 42 x - 4 / 25 x = 42 21 / 25 x = 42 x = ( 42 x 25 / 21 ) = 50 answer a"
ARC-Easy
arc_04_01875
A student pours a clear liquid from a test tube into a beaker with a clear liquid already in it and notices that the mixture turns pink. The student infers the two clear liquids are different. This inference is a result of
[ "class discussion.", "previous knowledge.", "temperature changes.", "student observations." ]
D
null
math_qa
mathqa_03_03384
a straight line in the xy - plane has y - intercept of 79 and slope of 6 . on this line the y - coordinate of the point is 14 , then what is the x - coordinate of the point ?
[ "11", "- 10.83", "71", "20.83" ]
B
"eq of line = y = mx + c c = 79 m = 6 y = 14 substitute given : x = ( y - c ) / m = ( 14 - 79 ) / 6 = - 65 / 6 = - 10.83 correct option is b"
medmcqa
medmcqa_05_01535
Hyperkalemia is a feature of
[ "Conns syndrome", "Gitelman's syndrome", "Pseudohypoaldosteronism type 2", "Liddle syndrome" ]
C
Answer- C. Pseudohypoaldosteronism type 2Pseudohypoaldosteronism tnre 2 is associated with hyperkalemia.Conns syndrome, Gitelman's syndrome and Liddle syndrome are associated with hypokalemia.
sciq
sciq_01_09469
What is a dip slip fault where the dip of the fault plane is vertical?
[ "reverse slip", "strike - theory", "strike-slip", "incline slip" ]
C
A strike-slip fault is a dip-slip fault where the dip of the fault plane is vertical. Strike-slip faults result from shear stresses. If you stand with one foot on each side of a strike-slip fault, one side will be moving toward you while the other side moves away from you. If your right foot moves toward you, the fault...
ARC-Challenge
arc_04_02412
Some health care professionals recommend that children use insect repellent before going outside. Using insect repellent is a good way to keep the insects from
[ "reproducing.", "laying eggs.", "spreading disease.", "dying." ]
C
null
sciq
sciq_01_11279
What happens to structural genes in the presence of tryptophan?
[ "they are not oxidised", "they are exterminated​", "they are transcribed", "they are not transcribed" ]
D
Structure of the trp operon. The trp operon is composed of 5 structural genes, 1 regulatory gene and other regulatory sequences, including the promoter, operator and leader sequence. Within the leader sequence is the attenuator region. In the presence of tryptophan, the structural genes are not transcribed.
math_qa
mathqa_03_03382
a searchlight on top of the watchtower makes 4 revolutions per minute . what is the probability that a man appearing near the tower will stay in the dark for at least 5 seconds ?
[ "5 / 6", "4 / 5", "3 / 4", "2 / 3" ]
D
the searchlight completes one revolution every 15 seconds . the probability that the man ' s area will be lit up is 5 / 15 = 1 / 3 . the probability that he will stay in the dark is 1 - 1 / 3 = 2 / 3 the answer is d .
ARC-Challenge
arc_04_02549
A teacher puts a cup of coffee into the cup holder of a car. When the car stops suddenly some of the coffee spills out of the cup. Which statement best explains why the coffee spills?
[ "The coffee stays in motion because the stopping force acts only on the car.", "The coffee stays in motion because a force from the cup holder pulls on the coffee.", "The stopping force on the car causes an equal and opposite reaction from the coffee.", "The stopping force causes the motion of the car to slow...
A
null
openbookqa
obqa_02_04572
What tastes flavors?
[ "flamingos", "metals", "stars", "bicycles" ]
A
animals taste flavors
openbookqa
obqa_02_03062
A deer created a rose garden by
[ "pooping", "feelings", "time travel", "screaming" ]
A
if seeds stick to the fur of an animal then that seed will be transported by the animal
sciq
sciq_01_04277
What kind of ph would you find in water from bogs?
[ "higher ph", "lower ph", "regular ph", "normal ph" ]
B
44.4 Aquatic Biomes Aquatic ecosystems include both saltwater and freshwater biomes. The abiotic factors important for the structuring of aquatic ecosystems can be different than those seen in terrestrial systems. Sunlight is a driving force behind the structure of forests and also is an important factor in bodies of w...
ARC-Challenge
arc_04_02619
A student is standing on a skateboard that is not moving. The total mass of the student and the skateboard is 50 kilograms. The student throws a ball with a mass of 2 kilograms forward at 5 m/s. Assuming the skateboard wheels are frictionless, how will the student and the skateboard move?
[ "forward at 0.4 m/s", "forward at 5 m/s", "backward at 0.2 m/s", "backward at 5 m/s" ]
D
null
medmcqa
medmcqa_05_01622
Sudden onset of cough followed by increased dyspnea is typical of-
[ "Pneumothorax", "Lobar pneumonia", "Collapse of lung", "Acute pleurisy" ]
A
Causes of pneumothorax: 1. Primary spontaneous: a)rupture of apical blebs b)smokers 2.secondary : a)copd and any other lung disease 3. Traumatics secondary to thoracentesis,central intravenous catheters 4.tension pneumothorax: during mechanical ventilation may cause decreased venous return and decreased cardiac output.
openbookqa
obqa_02_00901
The cultivation of a range of crop types in a specific order has a positive impact on
[ "soil quality", "water quality", "air quality", "atmospheric conditions" ]
A
crop rotation has a positive impact on soil quality
sciq
sciq_01_11244
The ocean basin begins where the ocean meets what?
[ "land", "bay", "sea", "river" ]
A
The ocean basin begins where the ocean meets the land. The continental margin begins at the shore and goes down to the ocean floor. It includes the continental shelf, slope, and rise. The continental shelf is part of the continent, but it is underwater today. It is about 100-200 meters deep, much shallower than the res...
math_qa
mathqa_03_01574
two pipes can fill a tank in 15 minutes and 15 minutes . an outlet pipe can empty the tank in 45 minutes . if all the pipes are opened when the tank is empty , then how many minutes will it take to fill the tank ?
[ "1 / 15", "1 / 16", "1 / 11", "1 / 9" ]
D
"part of the filled by all the three pipes in one minute = 1 / 15 + 1 / 15 - 1 / 45 = 1 / 9 so , the tank becomes full in 9 minutes . answer : d"
sciq
sciq_01_07817
What theory brings together continental drift and seafloor spreading?
[ "theory of plate tectonics", "theory of front tectonics", "theory of water tectonics", "theory of order tectonics" ]
A
The theory of plate tectonics brings together continental drift and seafloor spreading.
sciq
sciq_01_06750
Monatomic ions have an oxidation number equal to their what?
[ "length", "cost", "size", "charge" ]
D
Monatomic ions have an oxidation number equal to their charge. Li + has an oxidation state of +1, Ba 2+ has an oxidation state of +2, I - has an oxidation state of -1, and so on.
math_qa
mathqa_03_01019
what annual payment will discharge a debt of rs . 1090 due in 2 years at the rate of 5 % compound interest ?
[ "993.2", "586.21", "534.33", "543.33" ]
B
explanation : let each installment be rs . x . then , x / ( 1 + 5 / 100 ) + x / ( 1 + 5 / 100 ) 2 = 1090 820 x + 1090 * 441 x = 586.21 so , value of each installment = rs . 586.21 answer : option b
sciq
sciq_01_11126
What is the smallest particle of an element that still has the properties of that element is called?
[ "nucleus", "atom", "neutron", "proton" ]
B
The smallest particle of an element that still has the properties of that element is an atom. Atoms are extremely tiny. They can be observed only with an electron microscope. They are commonly represented by models, like the one Figure below . An atom has a central nucleus that is positive in charge. The nucleus is sur...
sciq
sciq_01_08877
When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process?
[ "solvent", "hydrogen", "diluent", "pigment" ]
A
The presence of solute particles has the opposite effect on the freezing point of a solution. When a solution freezes, only the solvent particles come together to form a solid phase, and the presence of solute particles interferes with that process. Therefore, for the liquid solvent to freeze, more energy must be remov...
math_qa
mathqa_03_02133
amar takes as much time in running 18 meters as a car takes in covering 48 meters . what will be the distance covered by amar during the time the car covers 1.6 km ?
[ "600 m", "300 m", "400 m", "700 m" ]
A
"a 600 m distance covered by amar = 18 / 4.8 ( 1.6 km ) = 3 / 8 ( 1600 ) = 600 m"
medmcqa
medmcqa_05_02096
Parasympathetic stimulation causes
[ "Sweat secretion", "Decreased GI secretion", "Pupillary constriction", "Bronchoconstriction" ]
C
(C) Pupillary constriction # Parasympathetic effects on the organ systems:> GIT: Molility and tone are increased; Secretions are increased; Sphincters are relaxed (usually)> Lungs: Bronchial muscles undergo contraction; Bronchial glands are stimulated> Eyes: Radial muscle of Iris has no action; Sphincter muscle of Iris...
ARC-Challenge
arc_04_02304
Which is most likely needed when describing the change in position of an object?
[ "initial speed", "direction change", "reference point", "constant rate" ]
C
null
math_qa
mathqa_03_01496
a dress on sale in a shop is marked at $ d . during the discount sale its price is reduced by 65 % . staff are allowed a further 60 % reduction on the discounted price . if a staff member buys the dress what will she have to pay in terms of d ?
[ "0.15 d", "0.16 d", "0.65 d", "0.14 d" ]
D
"effective discount = a + b + ab / 100 = - 65 - 60 + ( - 65 ) ( - 60 ) / 100 = - 86 sale price = d * ( 1 - 86 / 100 ) sale price = . 14 * d answer ( d )"
ARC-Easy
arc_04_01668
Which effect would the growing of legume crops such as beans and soybeans have?
[ "increase the efficiency of photosynthesis", "greater immunity of crops against diseases", "fewer bacteria in soil and in living organisms", "more usable nitrogen for other plants" ]
D
null
sciq
sciq_01_08355
What term given to animals like reptiles is a synonym for ectothermic, which means that their heat comes from their environment?
[ "warm-blooded", "hot-blooded", "thermal regulating", "cold-blooded" ]
D
Reptiles cold-blooded, or ectothermic, meaning that their heat come from their environment. Sometimes defined as all amniotes that are not birds or mammals. Reptiles can be classified by skull structure into four groups: • • • •.
sciq
sciq_01_01225
Changing levels of what substances partly explain emotional ups and downs in teens?
[ "acids", "enzymes", "nutrients", "hormones" ]
D
Many teens have emotional ups and downs. This is at least partly due to their changing hormone levels.
math_qa
mathqa_03_01046
the number of timeshare condos available at sunset beach is 3 / 5 the number of timeshare condos available at playa del mar . if the total number of timeshare condos available at the two beaches combined is 400 , what is the difference between the number of condos available at sunset beach and the number of condos avai...
[ "60", "90", "120", "100" ]
D
"let x be the number of timeshare condos available at playa del mar . then number of timeshare condos available at sunset beach = 3 / 5 x we know , x + 3 / 5 x = 400 hence , x = 250 . so , number of timeshare condos available at playa del mar = 250 the difference between the number of condos available at sunset beach a...
openbookqa
obqa_02_02995
Webbed feet are used to move faster through what?
[ "rain", "winds", "clouds", "swamps" ]
D
webbed feet are used for moving faster through water by aquatic animals
sciq
sciq_01_11064
Normal body temperature is ideal for most of what type of reactions?
[ "plasma", "theoretical", "biochemical", "gas" ]
C
Biochemical reactions are optimal at physiological temperatures. For example, most biochemical reactions work best at the normal body temperature of 98.6˚F. Many enzymes lose function at lower and higher temperatures. At higher temperatures, an enzyme’s shape deteriorates. Only when the temperature comes back to normal...
sciq
sciq_01_09301
What is the term for the amount of space taken up by an object?
[ "size", "volume", "weight", "mass" ]
B
openbookqa
obqa_02_01941
A soda can may become hot if it is close to an object used for
[ "mixing soda", "cooking food", "cooling food", "pouring soda" ]
B
if an object is exposed to a source of heat then that conductor may become hot
medmcqa
medmcqa_05_03402
Reflex which never reappears is -
[ "Moro's", "Grasp", "Snout", "Glabellar" ]
A
Ans. is 'a' i.e., Moro's o Moro's reflex disappear at 3-6 months and never reappears. o Grasp reflex, snout reflex, palmomental reflex and sucking reflex are normally inhibited by frontal lobe as the child grows. But these are released from inhibition in frontal lobe damage. So, these reflexes can be seen in persons wi...
openbookqa
obqa_02_02133
A pigeon is hungry so it snags a slice of pizza off a table using its
[ "wing", "teeth", "beak", "leg" ]
C
a beak is used for catching prey by some birds
ARC-Easy
arc_04_00965
Which of the following is a cause of the ocean levels periodically rising and then falling?
[ "the slight tilt of the Moon", "the force of gravity from the Moon", "the convection within Earth's mantle", "the revolution of Earth around the Sun" ]
B
null
sciq
sciq_01_06057
How quickly a population changes in size over time is known as what?
[ "population multiplication rate", "population impact rate", "population growth rate", "population direction rate" ]
C
The population growth rate is how quickly a population changes in size over time. The rate of growth of a population may be positive or negative. A positive growth rate means that the population is increasing in size because more people are being added than lost. A negative growth rate means that the population is decr...
medmcqa
medmcqa_05_00494
Which of the following is not associated with dementia: March 2011
[ "Forgetfulness", "Alteration of consciousness", "Reduced personal care", "Loss of neurons in brain" ]
B
Ans. B: Alteration of consciousnessThere is impairment of judgement and impulse control, and also impairment of abstract thinking There is however usually no impairment of consciousness in dementia (unlike in delirium) Dementia:Chronic onsetNo disturbance of consciousnessCognitive impairmentPersonality alterationImpair...
medmcqa
medmcqa_05_04802
Tricyclic antidepressants
[ "increase the antihypertensive effect of guanethidine", "have anticonvulsant activity", "should not be used in patients with glaucoma", "may increase oral absorption of levodopa" ]
C
In addition to blocking reuptake of NE and 5HT, pharmacodynamic actions of the tricyclic antidepressants include block of peripheral adrenergic and muscarinic receptors--the former resulting in postural hypotension and the latter, via mydriasis, exacerbating glaucoma. TCAs block the uptake of guanethidine into sympathe...
math_qa
mathqa_03_02456
a rectangular plot measuring 10 meters by 50 meters is to be enclosed by wire fencing . if the poles of the fence are kept 5 meters apart . how many poles will be needed ?
[ "46 m", "66 m", "26 m", "24 m" ]
D
"perimeter of the plot = 2 ( 10 + 50 ) = 120 m no of poles = 120 / 5 = 24 m answer : d"
sciq
sciq_01_09043
Contour tillage helps slow water run-off and what process that causes topsoil loss?
[ "soil erosion", "ice shelf erosion", "plate tectonics", "water erosion" ]
A
math_qa
mathqa_03_02813
a feed store sells two varieties of birdseed : brand a , which is 65 % millet and 35 % sunflower , and brand b , which is 40 % millet and 60 % safflower . if a customer purchases a mix of the two types of birdseed that is 50 % millet , what percent of the mix is brand a ?
[ "40 %", "45 %", "50 %", "60 %" ]
A
"yes there is a simple method : consider the following method brand a : 65 % millet and 35 % sunflower brand b : 40 % millet and 60 % safflower mix : 50 % millet here the weighted average is 50 % , now brand a has 65 % millet , which is 15 % more than the weighted average of mix = + 0.15 a - - - - - - - - - - - - - - -...
sciq
sciq_01_02682
What is the standard measurement for mass?
[ "volume", "calories", "grams", "BMI" ]
C
You’ve probably been using a ruler to measure length since you were in elementary school. But you may have made most of the measurements in English units of length, such as inches and feet. In science, length is most often measured in SI units, such as millimeters and centimeters. Many rulers have both types of units, ...
openbookqa
obqa_02_01540
A magnifying glass makes objects
[ "more clear", "smaller", "spontaneous combust", "physically grow" ]
A
as the size of an object appears larger , that object will be observed better
openbookqa
obqa_02_03335
What kind of energy causes evaporation?
[ "hot", "cold", "sound", "kinetic" ]
A
as temperature in an environment decreases , the amount of water an animal in that environment will lose will decrease
sciq
sciq_01_05869
What's the name for a cluster of genes, where one promoter serves adjacent genes?
[ "opteron", "nucleus", "plasma", "proton" ]
A
sciq
sciq_01_04947
What did rockets help launch into space during their beginning?
[ "rovers", "satellites", "shuttles", "sensors" ]
B
One of the first uses of rockets in space was to launch satellites. A satellite is an object that orbits a larger object. An orbit is a circular or elliptical path around an object. Natural objects in orbit are called natural satellites. The Moon is a natural satellite. Human-made objects in orbit are called artificial...
openbookqa
obqa_02_03725
safety goggles are used for protecting the eyes during
[ "sleeping", "persuits of knowledge", "dancing", "singing" ]
B
safety goggles are used for protecting the eyes during experiments
sciq
sciq_01_06313
Most fungi reproduce asexually by producing what?
[ "toxins", "spores", "seeds", "ions" ]
B
Almost all fungi reproduce asexually by producing spores. A fungi spore is a haploid cell produced by mitosis from a haploid parent cell. It is genetically identical to the parent cell. Fungi spores can develop into new haploid individuals without being fertilized.
sciq
sciq_01_02178
What kind of conditions are often inherited as simple recessive traits?
[ "genetic ratios", "genetic disorders", "genetic diversivers", "genetic neurotransmitters" ]
B
ARC-Easy
arc_04_00656
Which dog trait is a learned behavior?
[ "blinking its eyes", "scratching an itch", "panting to cool off", "jumping to catch a ball" ]
D
null
math_qa
mathqa_03_00091
two trains a and b starting from two points and travelling in opposite directions , reach their destinations 9 hours and 4 hours respectively after meeting each other . if the train a travels at 60 kmph , find the rate at which the train b runs .
[ "40", "60", "120", "90" ]
D
"if two objects a and b start simultaneously from opposite points and , after meeting , reach their destinations in ‘ a ’ and ‘ b ’ hours respectively ( i . e . a takes ‘ a hrs ’ to travel from the meeting point to his destination and b takes ‘ b hrs ’ to travel from the meeting point to his destination ) , then the ra...
sciq
sciq_01_00134
Collagen fibers, elastic fibers, and reticular fibers comprise what type of tissue?
[ "nucleus tissue", "skin tissue", "intestine tissue", "connective tissue" ]
D
Connective Tissue Fibers and Ground Substance Three main types of fibers are secreted by fibroblasts: collagen fibers, elastic fibers, and reticular fibers. Collagen fiber is made from fibrous protein subunits linked together to form a long and straight fiber. Collagen fibers, while flexible, have great tensile strengt...
medmcqa
medmcqa_05_04528
Rx of choice for 'after cataract':
[ "Repeat ECCE", "Holmium laser", "Argon Laser", "Nd-YAG Laser" ]
D
Ans. d (Nd- YAG Laser). (Ref: Ophthalmology by A K Khurana 2nd ed: 209)LASERNd-YAG USER# Thin membranous after cataract and thickened posterior capsule are best treated by YAG laser capsulotomy or discission with cystotome or Ziegler's knife.# Nd-YAG produces an infrared radiation with a wavelength of 1064nm.He-Ne LASE...
sciq
sciq_01_04596
What is the term used to describe the liquid that moves through the vessels and includes plasma and the cells and sell fragments called platelets?
[ "pus", "blood", "water", "bacteria" ]
B
40.2 | Components of the Blood By the end of this section, you will be able to: • List the basic components of the blood • Compare red and white blood cells • Describe blood plasma and serum Hemoglobin is responsible for distributing oxygen, and to a lesser extent, carbon dioxide, throughout the circulatory systems of ...
sciq
sciq_01_00312
Reasoning can be broken down into two categories: deduction and?
[ "invention", "induction", "preduction", "conduction" ]
B
Any useful hypothesis will allow predictions based on reasoning. Reasoning can be broken down into two categories: deduction and induction. Most reasoning in science is formed through induction.
openbookqa
obqa_02_03118
A girl with a burn scar on her arm was most likely
[ "in a swimming pool", "in a safe space", "near a running kiln", "protected from any injury" ]
C
if a body part was burned then that body part was exposed to a lot of heat energy
sciq
sciq_01_11368
What do you call a science that aims to find solutions to practical problems?
[ "evolved science", "applied science", "applied experience", "experimental science" ]
B
Life science may be basic or applied science. The aim of basic science is to gain new knowledge and a better understanding of the natural world. The aim of applied science is to find solutions to practical problems.
medmcqa
medmcqa_05_00146
AIDS is not transmitted by -
[ "Blood transfusion", "Cryoprecipitate", "Breast milk", "Plasma" ]
B
HIV is spread only by 4 modes:sexual contact with infected persons,by blood and blood products and from infected mother to babies. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO-582
sciq
sciq_01_01874
The testes produce sperm and secrete what?
[ "testosterone", "thyroxine", "melanin", "estrogen" ]
A
The testes produce sperm and secrete testosterone.
openbookqa
obqa_02_03195
A simple machine like a screw will need
[ "a glass of cool water", "a person adjusting it", "a truck to move it", "a wind turbine to function" ]
B
a simple machine requires mechanical energy to function
openbookqa
obqa_02_00278
Which celestial object is the shortest distance from earth?
[ "Mars", "Moon", "Milky Way", "Venus" ]
B
the moon is the celestial object that is closest to the Earth
openbookqa
obqa_02_02545
a closed circuit
[ "is turned off", "is uninterrupted", "has multiple paths", "incomplete" ]
B
a closed circuit has continuous path
openbookqa
obqa_02_04619
A squid can swim faster by using the what from its body thrusts?
[ "pullinh", "power and energy", "growing", "science" ]
B
a squid produces thrust by pushing water out of its body
sciq
sciq_01_01506
Insulin is produced by what cells of the pancreas?
[ "gamma", "platelet", "alpha", "beta" ]
D
Regulation of Blood Glucose Levels by Insulin and Glucagon Cells of the body require nutrients in order to function, and these nutrients are obtained through feeding. In order to manage nutrient intake, storing excess intake and utilizing reserves when necessary, the body uses hormones to moderate energy stores. Insuli...
math_qa
mathqa_03_02120
a and b ’ s salaries together amount to rs . 3,000 . a spends 95 % of his salary and b spends 85 % of his . if now their savings are the same , what is a ’ s salary ?
[ "2777", "2250", "2789", "2776" ]
B
"( 5 / 100 ) a = ( 15 / 100 ) b a = 3 b a + b = 3000 4 b = 3000 = > b = 750 a = 2250 answer b"
openbookqa
obqa_02_01289
You may use a tree to
[ "build a human", "build a bench", "build a car", "build a computer" ]
B
trees are a renewable resource
math_qa
mathqa_03_04749
a 20 litre mixture of milk and water contains milk and water in the ratio 3 : 2 . 10 litres of the mixture is removed and replaced with pure milk and the operation is repeated once more . at the end of the two removal and replacement , what is the ratio e of milk and water in the resultant mixture ?
[ "17 : 3", "9 : 1", "3 : 17", "5 : 3" ]
B
"he 20 litre mixture contains milk and water in the ratio of 3 : 2 . therefore , there will be 12 litres of milk in the mixture and 8 litres of water in the mixture . step 1 . when 10 litres of the mixture is removed , 6 litres of milk is removed and 4 litres of water is removed . therefore , there will be 6 litres of ...
sciq
sciq_01_03536
The periodic table is an arrangement of the elements in order of increasing what?
[ "gravity numbers", "atomic numbers", "negative numbers", "metallic numbers" ]
B
Summary The periodic table is an arrangement of the elements in order of increasing atomic number. Elements that exhibit similar chemistry appear in vertical columns calledgroups (numbered 1–18 from left to right); the seven horizontal rows are calledperiods. Some of the groups have widely used common names, including ...
sciq
sciq_01_01989
During interphase, the cell undergoes normal growth processes while also preparing for what, by accumulating energy and building blocks of dna?
[ "cell division", "proteins division", "technology division", "chromosome division" ]
A
The population is an important unit in ecology as well as other biological sciences. How is a population defined, and what are the strengths and weaknesses of this definition? Are there some species that at certain times or places are not in populations?.
openbookqa
obqa_02_01341
How does darkness impact photosynthesis?
[ "positively", "increases absorption", "very poorly", "increases endurance" ]
C
darkness has a negative impact on photosynthesis
medmcqa
medmcqa_05_02621
Routine spirometry can't estimate :
[ "FRC", "VC", "FEV", "ERV" ]
A
A i.e. FRC