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ARC-Challenge
arc_04_02211
Corn is widely being used in the United States to make ethanol for use in automobile fuel. How might the overproduction of corn negatively affect the environment?
[ "decreasing soil fertility", "decreasing oil transportation", "increasing the greenhouse effect", "increasing carbon dioxide emissions" ]
A
sciq
sciq_01_09390
The thick tunica media allows muscular arteries to play a leading role in what?
[ "accumulation", "inhibition", "vasodilation", "vasoconstriction" ]
D
sciq
sciq_01_04828
In which way do vertebrates reproduce?
[ "sexually", "asexually", "unisexually", "bisexually" ]
A
medmcqa
medmcqa_05_02448
Which of the following is dissociative phenomenon -a) Fugueb) Amnesiac) Deafnessd) Lack of insight
[ "ac", "ab", "ad", "bc" ]
B
sciq
sciq_01_04128
Distance traveled divided by time is equal to what?
[ "momentum", "speed", "frequency", "direction" ]
B
ARC-Challenge
arc_04_02799
Apple trees can live for many years, but bean plants usually live for only a few months. This statement suggests that
[ "different plants have different life spans", "plants depend on other plants", "plants produce many offspring", "seasonal changes help plants grow" ]
A
math_qa
mathqa_03_03006
the average weight of a group of boys is 20 kg . after a boy of weight 36 kg joins the group , the average weight of the group goes up by 1 kg . find the number of boys in the group originally ?
[ "12", "15", "18", "24" ]
B
sciq
sciq_01_08382
What can lead to a loss of genetic variation within populations?
[ "migration", "natural selection", "genetic drift", "adaptation" ]
C
openbookqa
obqa_02_03646
Which of the following would have best aided a vessel at sea in crossing the sea in the 18th century?
[ "A radar system", "An old soothsayer", "An experienced navigator", "A crow's nest" ]
C
math_qa
mathqa_03_03781
the guests at a football banquet consumed a total of 406 pounds of food . if no individual guest consumed more than 2.5 pounds of food , what is the minimum number of guests that could have attended the banquet ?
[ "160", "161", "162", "163" ]
D
medmcqa
medmcqa_05_00692
The sensitivty of Casoni's test is -
[ "50%", "60%", "75%", "90%" ]
D
math_qa
mathqa_03_00131
the overall age of x and y is 10 year greater than the overall age of y and z . z is how many decades younger that x ?
[ "11", "10", "12", "17" ]
B
math_qa
mathqa_03_04927
a truck covers a distance of 360 km at a certain speed in 8 hours . how much time would a car take at an average speed which is 18 kmph more than that of the speed of the truck to cover a distance which is 14 km more than that travelled by the truck ?
[ "6 hours", "5 hours", "7 hours", "8 hours" ]
D
sciq
sciq_01_03819
What rises through solid rocks where conditions are right?
[ "water", "nitrogen", "magma", "crystals" ]
C
openbookqa
obqa_02_02207
After dark clouds roll in and the weather changes, clouds may
[ "wilt", "precipitate", "burn", "zap" ]
B
openbookqa
obqa_02_03038
if white cold items drop from the sky, what might these be?
[ "a gift from the heavens", "a cloud is crying", "it is an anomaly", "it is ice precipitation" ]
D
math_qa
mathqa_03_04756
it was calculated that 75 men could complete a piece of work in 25 days . when work was scheduled to commence , it was found necessary to send 25 men to another project . how much longer will it take to complete the work ?
[ "28 days .", "30 days .", "37.5 days .", "40 days ." ]
C
ARC-Challenge
arc_04_02396
A person cuts down a living oak tree. The person burns the wood from the oak tree to boil water. Which sequence correctly orders the energy transformations that occurred from the living tree to the boiling of water?
[ "light energy → chemical energy → thermal energy", "thermal energy → chemical energy → light energy", "chemical energy → mechanical energy → electrical energy", "electrical energy → mechanical energy → chemical energy" ]
A
openbookqa
obqa_02_00600
Fish are quickly caught in water because of the webbed feet possessed by a
[ "cheetah", "penguin", "hippopotamus", "snake" ]
B
medmcqa
medmcqa_05_00708
Which of the following is a component of Coenzyme A?
[ "3 Alanine", "Glycine", "Pyrrolysine", "Selenocysteine" ]
A
sciq
sciq_01_10845
What does ubiquitin indicate about a protein's lifespan?
[ "completion", "reaction ratio", "transaction", "initiation" ]
A
openbookqa
obqa_02_01212
What is decomposed in decomposition?
[ "lifeless life forms", "living creatures", "metals", "plastics" ]
A
ARC-Easy
arc_04_00795
Most birds sit on their eggs until they hatch. Which of these is the most important reason why birds sit on their eggs?
[ "to keep the eggs inside the nest", "to keep the eggs warm", "to protect the eggs from the wind", "to protect the eggs from the rain" ]
B
sciq
sciq_01_08224
Continental climates are generally found in what areas of landmasses?
[ "inland", "northerly", "wetlands", "buttes" ]
A
sciq
sciq_01_10870
When carbon atoms are not bonded to as many hydrogen atoms as possible, what kind of hydrocarbon results?
[ "unstable", "aqueous", "unsaturated", "saturated" ]
C
sciq
sciq_01_04669
Glaciers modify the landscape by what?
[ "erosion", "silt", "sediment", "truncation" ]
A
sciq
sciq_01_03847
In winter, water does what, becoming solid and causing hoses to rupture and engine blocks to crack?
[ "shrinks", "fractures", "crystallizes", "freeze" ]
D
sciq
sciq_01_07332
What is made of gases that are essential for photosynthesis and other life activities?
[ "stratosphere", "atmosphere", "ocean", "air" ]
B
sciq
sciq_01_11591
Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?
[ "prokaryotic", "photosynthetic", "barren", "trophic" ]
A
openbookqa
obqa_02_00847
A fox that has white fur
[ "has been bleached or washed", "is genetically altered and abused", "is a very clean animal", "got it from genetics" ]
D
ARC-Challenge
arc_04_03080
Food webs show feeding relationships among different types of organisms. Those organisms each have a specific niche. Which of the following best describes a function of decomposers in food webs?
[ "to recycle nutrients into soil", "to convert solar energy into food", "to provide food for secondary consumers", "to compete with secondary consumers for oxygen" ]
A
math_qa
mathqa_03_01823
there were two candidates in an election . winner candidate received 62 % of votes and won the election by 312 votes . find the number of votes casted to the winning candidate ?
[ "806", "744", "912", "1200" ]
A
ARC-Challenge
arc_04_02702
An engineer must calculate the potential energy of a roller coaster car at the top of an incline. Which information would best help the engineer determine the potential energy of the car?
[ "the distance the roller coaster car must travel", "the mass of the roller coaster car at full capacity", "the average weight of an empty roller coaster car", "the direction that the roller coaster car is traveling" ]
B
math_qa
mathqa_03_03287
there has been successive increases of 25 % and then 15 % in the price of gas from the previous month . by what percentage should a driver reduce gas consumption so that the expenditure does not change ?
[ "30 %", "50 %", "66.66 %", "15 %" ]
A
medmcqa
medmcqa_05_02842
Renshaw cell inhibition
[ "Feedback inhibition", "Feed forward inhibition", "Feed forward facilitation", "Feedback facilitation" ]
A
openbookqa
obqa_02_01305
A lion is hunting antelope. The antelope are fast, faster than the lion expected. To eat today, the lion needs
[ "to find more water", "to catch up to it", "to enjoy its day", "to wear better shoes" ]
B
openbookqa
obqa_02_04030
People dumping their trash in the ocean does what to the animals and plant life
[ "flies", "types", "dirties their habitat", "reads minds" ]
C
sciq
sciq_01_05965
The number, size, shape, and banding pattern of chromosomes make them easily identifiable in a what?
[ "spirogyra", "xerophyte", "karyogram", "nanocyte" ]
C
sciq
sciq_01_08392
Ice ages, continental drift, and giant meteorites striking earth have caused what phenomenon?
[ "extinction", "waves", "gravity", "depletion" ]
A
openbookqa
obqa_02_04320
24 hours is equal to one what?
[ "minute", "day-night cycle", "year", "moment" ]
B
sciq
sciq_01_01219
The fetus is connected to what by a tube called the umbilical cord?
[ "Intestines", "placenta", "Stomach", "Fallopian tube" ]
B
openbookqa
obqa_02_03568
Which of these is likely to get hot
[ "an angel", "a kite", "a bird", "space craft" ]
D
medmcqa
medmcqa_05_01534
The drug being given is
[ "Ethacrydine lactate (0.1%)", "20% mannitol", "50% Urea", "Misoprostol" ]
A
sciq
sciq_01_08217
Fractures and faults are terms you hear when talking about?
[ "earthquakes", "volcanoes", "storms", "magnets" ]
A
openbookqa
obqa_02_03915
Thermal energy is used in a light bulb, which makes filaments
[ "quite chilly", "cool to touch", "frosted over", "hurt to touch" ]
D
openbookqa
obqa_02_03069
Calculating a short distance can be accomplished with a
[ "yard stick", "thought", "touch", "a penny" ]
A
sciq
sciq_01_06590
Ecologists already use the abilities of many prokaryotes to carry out bioremediation of soils and what else?
[ "air", "water", "plasma", "gas" ]
B
sciq
sciq_01_10867
Goldfish, tuna, salmon, perch, and cod are examples of which group of fish?
[ "spiny-lobed fish", "bony fish", "ray-finned fish", "cartilaginous fish" ]
C
sciq
sciq_01_10493
What are formed when crystals precipitate out from a liquid?
[ "diamonds", "chemical sedimentary rocks", "gaseous sedimentary rocks", "additive sedimentary rocks" ]
B
math_qa
mathqa_03_04928
a can do a half of certain work in 70 days and b one third of the same in 35 days . they together will do the whole work in .
[ "88 days", "27 days", "78 days", "60 days" ]
D
sciq
sciq_01_05653
What is a hydrocarbon in which there are only single covalent bonds?
[ "fullerene", "proline", "combined", "alkane" ]
D
sciq
sciq_01_02617
What is formed when humid air near the ground cools below its dew point?
[ "fog", "weather", "smoke", "steam" ]
A
math_qa
mathqa_03_00225
two trains , each 100 m long , moving in opposite directions , cross other in 10 sec . if one is moving twice as fast the other , then the speed of the faster train is ?
[ "76 km / hr", "66 km / hr", "48 km / hr", "67 km / hr" ]
C
sciq
sciq_01_07825
What kind of change causes evolution in population?
[ "paragenic frequency changes", "morphogenesis frequency changes", "allele frequency changes", "transgenic frequency changes" ]
C
openbookqa
obqa_02_01965
A person rescues a small chipmunk and it requires nourishment. The person obtains
[ "cold cuts", "turkey legs", "tree pips", "red sauce" ]
C
math_qa
mathqa_03_04833
a and b began business with rs . 6000 and rs . 4000 after 8 months , a withdraws rs . 1000 and b advances rs . 1000 more . at the end of the year , their profits amounted to rs . 630 find the share of a .
[ "240", "288", "277", "357" ]
D
sciq
sciq_01_09722
When organisms penetrate a rock, they accelerate breakdown by chemical means and what other means?
[ "temperature", "geological", "ecological", "mechanical" ]
D
ARC-Easy
arc_04_00989
Which of these is unique to the process of scientific investigation?
[ "observing an event as it occurs", "discussing results with other experts", "publishing the results on a webpage", "collecting data in an experiment" ]
D
math_qa
mathqa_03_02193
if p = 125 × 243 × 16 / 405 , how many digits are in p ?
[ "1", "2", "3", "4" ]
D
sciq
sciq_01_00567
How many cycles do cells have?
[ "two", "seven", "six", "four" ]
D
medmcqa
medmcqa_05_04753
Tranylcyprominle (MAO Inhibitor) should be avoided with ............... as it causes dangerous drug interaction:
[ "Morphine", "Amitriptyline", "Alprazolam", "Alprazolam" ]
B
sciq
sciq_01_10659
What is the preferred method for separating late transition metals from their ores?
[ "hydrometallurgy", "purging", "hydraulics", "heating" ]
A
openbookqa
obqa_02_02682
As the barometer reading goes lower there is a greater chance of
[ "winning a prize", "sunshine", "a full moon", "getting wet" ]
D
ARC-Easy
arc_04_01806
What process forms an image in a mirror?
[ "absorbing light", "reflecting light", "refracting light", "transmitting light" ]
B
openbookqa
obqa_02_04625
to determine how firm a certain mineral may be a person can:
[ "measure the weight of it", "attempt to leave a mark on it", "crush it to see the inside", "see if it can bounce" ]
B
sciq
sciq_01_01043
Metalloids, metals, and nonmetals are all classes of what?
[ "compounds", "protons", "matter", "elements" ]
D
math_qa
mathqa_03_04576
how many cuboids of length 5 m , width 4 m and height 3 m can be farmed from a cuboid of 16 m length , 10 m width and 12 m height .
[ "32", "28", "36", "40" ]
A
math_qa
mathqa_03_04031
exactly 30 % of the reporters for a certain wire service cover local politics in country x . if 25 % of the reporters who cover politics for the wire service do not cover local politics in country x , what percent of the reporters for the wire service do not cover politics ?
[ "20 %", "42 %", "60 %", "80 %" ]
C
sciq
sciq_01_00729
What lies between the continental shelf and the abyssal plain?
[ "continental belt", "equator", "successive slope", "continental slope" ]
D
medmcqa
medmcqa_05_04892
Which of the following infection resembles malignancy -
[ "Echinococcus granulosus", "E. Multilocularis", "E. Vogeli", "E. Oligahus" ]
B
medmcqa
medmcqa_05_02609
Which of this following pas of veebral canal will show secondary curves with concavity towards back?
[ "Cervical Veibral Canal", "Thoracic Veibral Canal", "Sacral Veibral Canal", "Coccyx Veibral Canal" ]
A
math_qa
mathqa_03_00017
the difference between the ages of two persons is 10 years . fifteen years ago , the elder one was twice as old as the younger one . the present age of the elder person is ?
[ "35 yr", "25 yr", "20 yr", "30 yr" ]
A
sciq
sciq_01_10378
What type of treatment is being researched that may cure or prevent genetic disorders?
[ "gene therapy", "preventive therapy", "variation therapy", "regulatory therapy" ]
A
medmcqa
medmcqa_05_03392
Which disease is caused by anti - phospholipase 2 antibody:
[ "MPGN", "Membrabous glomerulopathy", "FSGN", "Minimal Change Disease" ]
B
math_qa
mathqa_03_00400
a and b started a business in partnership investing rs . 20000 and rs . 15000 respectively . after 6 months , c joined them with rs . 20000 . whatwill be b ' s share in total profit of rs . 20000 earned at the end of 2 years from the startingof the business ?
[ "s . 5,000", "s . 5,500", "s . 5,700", "s . 6,000" ]
D
math_qa
mathqa_03_00112
what is the next number : 3 , 18 , 258 , __
[ "2928", "3638", "4098", "4418" ]
C
sciq
sciq_01_05104
Electric substations have what devices, which use electromagnetic induction to increase or decrease the voltage of the current?
[ "generators", "transformers", "transistors", "tubes" ]
B
sciq
sciq_01_05874
Pigments are substances that absorb what?
[ "visible light", "artificial light", "synthetic light", "natural light" ]
A
math_qa
mathqa_03_04456
at a small company , 64 percent of the employees are women , and 60 percent of the employees are married . if 2 / 3 of the men are single , what fraction of the women are married ?
[ "5 / 16", "3 / 4", "9 / 20", "7 / 10" ]
B
sciq
sciq_01_04827
Velocity affects what type of energy more than mass does?
[ "mechanical energy", "kinetic energy", "magnetic energy", "harmonic energy" ]
B
openbookqa
obqa_02_02872
Tiny nits may be seen best when using a
[ "vision enhancing aid", "series of mirrors", "toothpick", "glass eye" ]
A
math_qa
mathqa_03_00469
two boats are heading towards each other at constant speeds of 4 miles / hr and 20 miles / hr respectively . they begin at a distance 20 miles from each other . how far are they ( in miles ) one minute before they collide ?
[ "1 / 12", "6 / 15", "1 / 6", "1 / 3" ]
B
sciq
sciq_01_08220
Which of the animals digest cellulose with the aid of methanogens?
[ "pigs", "cows", "apes", "goats" ]
B
medmcqa
medmcqa_05_03501
Mammary gland is a type of:
[ "Modified sweat gland", "Ceruminous gland", "Sebaceous gland", "Holocrine gland" ]
A
openbookqa
obqa_02_03686
chemical reactions cause
[ "dancing", "napping", "fluctuative attributes", "invisibilty" ]
C
openbookqa
obqa_02_01237
Chemical reactions can be the cause of new formations of which?
[ "Temperatures", "Shapes", "Colors", "Substances" ]
D
math_qa
mathqa_03_02828
on a game show , a contestant is given 3 keys , each of which opens exactly one of the 3 identical boxes . the contestant assigns each key to one of the boxes and wins the amount of money contained in any box that is opened by the key assigned to it . the first box contains $ 4 , the second $ 400 , and the third $ 4000...
[ "2 / 6", "1 / 6", "1 / 8", "1 / 3" ]
B
medmcqa
medmcqa_05_04694
Inferior alveolar nerve block is given in
[ "Retromolar area", "Pterygomandibular space", "Submandibular space", "Suhmental space" ]
B
math_qa
mathqa_03_03047
a man walks at a rate of 10 mph . after every ten miles , he rests for 6 minutes . how much time does he take to walk 40 miles ?
[ "258", "318", "322", "324" ]
A
openbookqa
obqa_02_02625
A large crevasse was carved in the western United States over many
[ "glaciers", "mountains", "rainstorms", "years" ]
D
openbookqa
obqa_02_01867
What are some of the risks of using fertilizer?
[ "Making potatoes", "Helping food grow", "Fertilizing the crops", "Damaging the planet" ]
D
sciq
sciq_01_06747
What is the name of the tube that joins the mouth to the digestive and respiratory tracts?
[ "larynx", "esophagus", "fallopian tube", "pharynx" ]
D
sciq
sciq_01_11343
Plants can tell the time of day and time of year by sensing and using various wavelengths of what
[ "sunlight", "lunar cycles", "precipitation", "moisture" ]
A
sciq
sciq_01_03122
What organelle contains the genetic material of the cell?
[ "nucleus", "gamete", "fetus", "meiosis" ]
A
ARC-Easy
arc_04_00730
Unequal distribution of the hormone auxin in plants helps to regulate the direction of plant growth. Which of the following is accomplished by plants in regulating the distribution of auxin?
[ "pollination of flowers", "transportation of nutrients", "discouraging predation", "responding to the environment" ]
D
math_qa
mathqa_03_01218
the average of 5 numbers id 27 . if one number is excluded , the average becomes 25 . the excluded number is
[ "25", "27", "30", "35" ]
D
openbookqa
obqa_02_03451
Which phenomenon is studied about once annually?
[ "planes departing", "cats purring", "geese travelling", "rats flying" ]
C
sciq
sciq_01_06578
In an electromagnetic wave, what do the crests and troughs represent?
[ "vibrating fields", "particles fields", "oscillating fields", "ocean waves" ]
C
sciq
sciq_01_01517
The sternum and 12 pairs of ribs with their costal cartilages make up what?
[ "thoracic cage", "the core", "chest cage", "heart cage" ]
A
math_qa
mathqa_03_03076
two diesel trains of length 120 m and 280 m are running towards each other on parallel lines at 42 kmph and 30 kmph respectively . in what time will they be clear of each other from the moment they meet ?
[ "10 sec", "30 sec", "40 sec", "20 s" ]
D