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ARC-Challenge
arc_04_02279
Las Vegas has access to renewable resources for generation of electrical power, which includes hydroelectric power. Which of these energy resources is renewable and available to generate electricity in Las Vegas without degrading the environment?
[ "petroleum", "geothermal", "nuclear", "solar" ]
D
sciq
sciq_01_03807
What is known as the universal solvent?
[ "oil", "vinegar", "water", "air" ]
C
openbookqa
obqa_02_00574
Decomposition is important for
[ "water", "medicine", "sunlight", "food" ]
D
math_qa
mathqa_03_00669
in a neighborhood having 90 households , 11 did not have either a car or a bike . if 20 households had a both a car and a bike and 44 had a car , how many had bike only ?
[ "30", "35", "20", "18" ]
B
ARC-Easy
arc_04_01167
Which of the following organisms have the greatest effect on an ecosystem because of the changes they make to their environment?
[ "bees building a hive in a hollow tree", "wasps building a nest in a leafy bush", "beavers building a dam across a stream", "fish digging a burrow on a river bottom" ]
C
openbookqa
obqa_02_02755
Which of the following substances likely contains plant seeds?
[ "sweat", "poop", "urine", "blood" ]
B
openbookqa
obqa_02_01882
Which might need warm asphalt to help regulate its body temperature?
[ "whales", "dolphins", "rattlesnakes", "squid" ]
C
math_qa
mathqa_03_05566
a large box contains 20 small boxes and each small box contains 25 chocolate bars . how many chocolate bars are in the large box ?
[ "250", "500", "450", "550" ]
B
sciq
sciq_01_01405
What is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated?
[ "dispersion", "distillation", "sterilization", "conduction" ]
B
ARC-Easy
arc_04_01151
The burning of fossil fuels has added pollutants that contain sulfur atoms to the air. These pollutants have contributed to which of the following?
[ "drought", "acid rain", "tornadoes", "temperature inversions" ]
B
sciq
sciq_01_03838
What is the latin name for mercury?
[ "stibium", "trichina", "hydrargyrum", "spirogyra" ]
C
sciq
sciq_01_09528
Who has proposed that cigarette advertising in all media be banned entirely?
[ "schools", "teachers", "parents", "antismoking groups" ]
D
math_qa
mathqa_03_05695
bexy walks 5 miles from point a to point b in one hour , then bicycles back to point a along the same route at 15 miles per hour . ben makes the same round trip , but does so at half of bexy ’ s average speed . how many minutes does ben spend on his round trip ?
[ "40", "80", "120", "160" ]
D
openbookqa
obqa_02_03692
Pollination is required for what to reproduce?
[ "whales", "bees", "sunflowers", "humans" ]
C
openbookqa
obqa_02_01324
On a morning when the weather is clear, the sky is
[ "bright", "cloudy", "stormy", "dark" ]
A
ARC-Easy
arc_04_01603
Biologists have discovered that the beluga whales of Canada's St. Lawrence River have the highest rates of cancer among animals. What is most likely the reason for this high incidence of cancer in these whales?
[ "chemical and pollutant runoff into the ocean", "average temperatures increased in the region", "depletion of natural prey from the ecosystem", "increased levels of carbon dioxide in the atmosphere" ]
A
ARC-Challenge
arc_04_03032
Which of these is an important safety rule to follow when using an electrical device?
[ "Wear an apron.", "Keep work area dry.", "Extinguish all flames.", "Wear protective gloves." ]
B
openbookqa
obqa_02_04311
It is vital to your health to have a
[ "good time", "jet ski", "plane", "colony of bacteria" ]
D
openbookqa
obqa_02_02423
A lot of deep dips in an expanse of land could have happened
[ "over a month", "over a decade", "over a year", "over a millennia" ]
D
math_qa
mathqa_03_04586
the radius of a semi circle is 5.2 cm then its perimeter is ?
[ "32.52", "32.48", "26.74", "32.9" ]
C
sciq
sciq_01_07931
The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force?
[ "friction", "tension", "temperature", "energy" ]
A
openbookqa
obqa_02_02904
The xylem absorbs water which end of a plant
[ "bottom", "top", "left side", "right side" ]
A
ARC-Challenge
arc_04_03168
Which of the following best describes an interaction between Earth and solar energy that functions to warm up the planet?
[ "absorption of solar energy by continental land masses", "use of solar energy in the process of photosynthesis", "reflection of solar energy from polar snowcaps", "transformation of solar energy into auroras" ]
A
sciq
sciq_01_01089
What term is used to describe changes to an organism’s dna and are an important driver of diversity in populations?
[ "mutations", "evolutions", "adaptations", "pathogens" ]
A
ARC-Easy
arc_04_01327
Students stir salt, sand, sawdust, and seashells into a jar filled with water. Which of the materials will form a solution?
[ "salt and water", "sand and sawdust", "seashells and water", "sawdust and seashells" ]
A
sciq
sciq_01_08079
The carbon cycle can be thought of in terms of two interdependent cycles - cellular respiration and what else?
[ "glycolysis", "pollination", "spermatogenesis", "photosynthesis" ]
D
openbookqa
obqa_02_00904
When you come across an animal that passed away, it sometimes smells awful because it died recently and has begun to what?
[ "whimper", "Rot", "die", "cook" ]
B
sciq
sciq_01_09701
Silicon with an element that gives it extra electrons is which type of semiconductor?
[ "n-type", "m. Type", "k. - type", "i.g - type" ]
A
sciq
sciq_01_05113
Photosynthesis uses solar energy, carbon dioxide, and water to produce energy-storing carbohydrates.what is produced as a waste product?
[ "sulfur", "oxygen", "methane", "calcium" ]
B
openbookqa
obqa_02_04271
mechanical weathering is breaking down what by mechanical means?
[ "hills", "trees", "knolls", "boulders" ]
D
math_qa
mathqa_03_00499
a , b , and c are integers and a < b < c . s is the set of all integers from a to b , inclusive . q is the set of all integers from b to c , inclusive . the median of set s is ( 3 / 4 ) * b . the median of set q is ( 7.5 / 8 ) * c . if r is the set of all integers from a to c , inclusive , what fraction of c is the med...
[ "3 / 8", "1 / 2", "11 / 16", "23 / 32" ]
D
openbookqa
obqa_02_03433
It's easiest to boil twisty noodles on a
[ "rubber tire", "copper burner", "wooden crate", "plastic legos" ]
B
openbookqa
obqa_02_00693
Humans are like monkeys in a lot of ways, besides sharing a lot of the same DNA, their babies are birthed
[ "mad", "old", "alive", "dead" ]
C
sciq
sciq_01_03891
What element is the sun mostly made up of?
[ "helium", "mercury", "hydrogen", "manganese" ]
C
math_qa
mathqa_03_02137
a bag contains 6 red , 4 blue and 2 green balls . if 2 ballsare picked at random , what is the probability that both are red ?
[ "1 / 13", "2 / 23", "5 / 26", "5 / 22" ]
D
openbookqa
obqa_02_03827
For what purpose does a plant light serve?
[ "Mimic sunlight", "Comfort them", "Keep plants cool", "Protect from bugs" ]
A
math_qa
mathqa_03_01287
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
sciq
sciq_01_08954
Why do butterfly fish have fake eyespots?
[ "aerodynamic purposes", "confuse predators", "mating purposes", "random evolution" ]
B
sciq
sciq_01_11097
Water follows where sodium ions lead, due to what process?
[ "electrolysis", "absorption", "hydration", "osmosis" ]
D
openbookqa
obqa_02_04202
What conducts electricity?
[ "a lego brick", "suit of armor", "a wooden table", "a T-shirt" ]
B
openbookqa
obqa_02_02448
A parent contributes DNA to their offspring which can result in
[ "beads", "freckles", "frowns", "dirt" ]
B
openbookqa
obqa_02_03863
The everglades where nearly wiped out by
[ "the sun", "builders", "sea cows", "alligators" ]
B
sciq
sciq_01_11592
What happens to most of the energy in a trophic level as it passes to the next higher level?
[ "it increases", "it is lost", "it stays the same", "it is transferred" ]
B
sciq
sciq_01_06674
What theory proposes that microorganisms are the cause of many diseases?
[ "mutated theory", "evolution theory", "malignant theory", "germ theory" ]
D
sciq
sciq_01_09998
Osteoclasts and osteoblasts play key roles in repair of what?
[ "liver", "heart", "bone", "brain" ]
C
sciq
sciq_01_01138
What are the two main minerals found in ocean water?
[ "carbon , chloride", "quartz, carbon", "sodium, chloride", "dioxide , chloride" ]
C
sciq
sciq_01_10921
Mixtures that have the same composition throughout are known as what kinds of mixtures?
[ "heterogeneous", "homogeneous", "zygomatic", "contiguous" ]
B
sciq
sciq_01_01668
What is the most common cause of lung cancer?
[ "tobacco smoke exposure", "restaurant smoke exposure", "tree smoke exposure", "coal smoke exposure" ]
A
math_qa
mathqa_03_01951
the average age of 10 men increases by 6 years when two women are included in place of two men of ages 18 and 22 years . find the average age of the women ?
[ "37", "26", "30", "50" ]
D
ARC-Easy
arc_04_01606
Which most accurately describes a circle (pie) graph?
[ "used to demonstrate change in temperature only", "used to demonstrate change that is continuous", "used to demonstrate change that is not continuous", "used to describe how part of the data relates to all of the data" ]
D
math_qa
mathqa_03_02622
how many multiples of 4 are less than 3200 , and also multiples of 16 ?
[ "104", "200", "625", "832" ]
B
ARC-Easy
arc_04_00299
After nitrogen becomes part of the lithosphere, what is the next change that nitrogen will undergo?
[ "used as a nutrient by plants", "fixed by bacteria in the soil", "converted into oxygen", "absorbed into the atmosphere by lightning" ]
B
sciq
sciq_01_10156
What type of reaction is a transfer of a proton from one molecule or ion to another?
[ "ionization", "thermal reaction", "ionic bonding", "acid-base" ]
D
sciq
sciq_01_03712
What disease is given as an example of a sex-linked trait?
[ "hypertension", "hemophilia", "arthritis", "emphysema" ]
B
openbookqa
obqa_02_01951
A boy wants to collect clams for supper and must therefore spend time
[ "in lake shallows", "in desert sands", "in rocky hills", "in sea depths" ]
D
openbookqa
obqa_02_03735
An hunter that wants to be undetected seeking out deer in the forest might
[ "be dressed bushy green and brown attire", "cover themselves in tree sap", "be dressed in arctic camouflage", "change their facial expression" ]
A
sciq
sciq_01_08047
What forms as a result of decomposition when n2o is heated?
[ "calcium and oxygen", "nitrogen and hydrogen", "nitrogen and oxygen", "ammonia and nitrogren" ]
C
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
math_qa
mathqa_03_00918
what ratio must a shopkeeper mix peas and soybean of rs . 16 and rs . 25 / kg , as to obtain a mixture of rs . 19 ?
[ "10 : 7", "9 : 8", "2 : 1", "13 : 11" ]
C
sciq
sciq_01_00632
Cilia and flagella are extensions of what?
[ "cell nucleus", "cell wall", "plasma membrane", "protoplasm" ]
C
sciq
sciq_01_01869
When traveling through space what do mechanical waves lose?
[ "Speed", "energy", "Force", "Mass" ]
B
math_qa
mathqa_03_05576
a goods train runs at the speed of 72 kmph and crosses a 280 m long platform in 26 seconds . what is the length of the goods train ?
[ "230 m", "270 m", "240 m", "832 m" ]
C
math_qa
mathqa_03_02727
a and b can do a piece of work in 12 days . with the help of c they finish the work in 3 days . c alone can do that piece of work in ?
[ "40 days", "2 days", "4 days", "8 days" ]
C
sciq
sciq_01_07508
In multicellular organisms, specialized cells may be organized into what, which in turn may be organized into organs?
[ "blood cells", "muscles", "tissues", "nutrients" ]
C
sciq
sciq_01_02878
Many metals react with acids to produce what gas?
[ "mercury", "hydrogen", "helium", "neon" ]
B
openbookqa
obqa_02_01681
A river is moving along a path and a piece of paper falls in it. The paper
[ "screams", "flies", "sinks", "relocates" ]
D
sciq
sciq_01_00991
What gas associated with global warming is released when limestone is heated during the production of cement?
[ "hydrogen", "oxygen", "carbon monoxide", "carbon dioxide" ]
D
math_qa
mathqa_03_00957
if there are 200 questions in a 3 hr examination . among these questions are 25 type a problems , which requires twice as much as time be spent than the rest of the type b problems . how many minutes should be spent on type a problems ?
[ "40 min", "62 min", "70 min", "74 min" ]
A
sciq
sciq_01_09582
Organisms cannot live alone, needing other organisms to survive; what is this relationship called?
[ "coexistence", "independence", "interdependence", "dominance" ]
C
sciq
sciq_01_04385
What is the term for evolution over geologic time above the level of the species?
[ "microevolution", "speciation", "mutation", "macroevolution" ]
D
sciq
sciq_01_10346
The type of what dictates how far it can penetrate into matter, such as lead or human flesh?
[ "evaporation", "insulation", "specific gravity", "radiation" ]
D
openbookqa
obqa_02_01590
What causes food to taste sweet?
[ "crystal sucrose", "heat", "salt", "pepper" ]
A
sciq
sciq_01_07719
The visceral senses are most often below the limit of conscious perception because they are involved in this?
[ "subtle regulation", "sensory balance", "homeostatic regulation", "homeostatic manipulation" ]
C
sciq
sciq_01_02700
When your body digests food, it breaks down the molecules of nutrients and releases what?
[ "energy", "gas", "calories", "waste materials" ]
A
math_qa
mathqa_03_03259
in the graduating class of a certain college , 48 percent of the students are male and 52 percent are female . in this class 40 percent of the male and 50 percent of the female students are 25 years old or older . if one student in the class is randomly selected , approximately what is the probability that he or she wi...
[ "a", "b", "c", "d" ]
B
sciq
sciq_01_05074
Ice cubes in cola cause the cola to lose what?
[ "gravity", "kinetic energy", "thermal energy", "mechanical energy" ]
C
sciq
sciq_01_05939
What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses?
[ "susceptible front", "stationary front", "Horizontal Front", "cool front" ]
B
openbookqa
obqa_02_01940
Plants preparing for dormancy is a sign
[ "the earth is tilting", "readiness an total alertness", "extreme fatigue and tiredness", "of a beautiful sunset" ]
A
openbookqa
obqa_02_01399
The circulatory system brings oxygen to the body from where?
[ "brain", "chest", "hands", "stomach" ]
B
sciq
sciq_01_05399
In amniotes that lay eggs, the shell of the egg provides protection for the developing embryo while being permeable enough to allow for the exchange of carbon dioxide and this?
[ "tissue", "Protein", "gas", "oxygen" ]
D
sciq
sciq_01_10925
What does water treatment do to water?
[ "increases volume", "restores bacteria", "removes unwanted substances", "adds flavor" ]
C
sciq
sciq_01_07088
When the pressure waves from the scala move the basilar membrane, the tectorial membrane slides across the what?
[ "dendrites", "keratin", "stereocilia", "cytoplasm" ]
C
sciq
sciq_01_00633
Mercury and lead, which was once widely used in paint and gasoline, are examples of what type of metals?
[ "gaseous heavy metals", "sulfuric heavy metals", "toxic heavy metals", "alloys" ]
C
openbookqa
obqa_02_01197
which of these apply to the values of matter vibration and sound given off?
[ "both values are inversely proportional", "both values have direct proportionality", "both values are unrelated", "none of these" ]
B
sciq
sciq_01_10177
What are the two unique features of mollusks?
[ "radula and antennae", "pseudopod and mantle", "antennae and pseudopod", "mantle and radula" ]
D
sciq
sciq_01_02139
How many years ago did early amniotes diverge into two groups?
[ ".175 million years", ".416 million years", "320 million years", "20 million years" ]
C
sciq
sciq_01_07781
Type 1 diabetes results in the pancreas not being able to make what ?
[ "sugar", "glucose", "hemoglobin", "insulin" ]
D
sciq
sciq_01_09418
Which germ layers are essential for animal embryos to grow and develop into a body?
[ "keratinocytes , ectoderm , mesoderm", "endoderm, ectoderm, mesoderm", "histone and melatonin", "cytoplasm and chloroplasm" ]
B
math_qa
mathqa_03_01460
the lowest number which should be added to 8247 so that the sum is exactly divisible by 5 , 6 , 7 , 8 and 9 is :
[ "1833", "1853", "1733", "1233" ]
A
ARC-Easy
arc_04_02025
Why are most fossils found in sedimentary rocks?
[ "Sedimentary rocks are not very old.", "Organisms live only in areas with sedimentary rock.", "Organisms can be preserved in sedimentary rock.", "Sedimentary rocks are found only at the surface of the ground." ]
C
sciq
sciq_01_09652
Energy constantly changes back and forth between kinetic and what type of energy?
[ "physical", "practical", "potential", "mechanical" ]
C
math_qa
mathqa_03_03428
a company that ships boxes to a total of 15 distribution centers uses color coding to identify each center . if either a single color or a pair of two different colors is chosen to represent each center and if each center is uniquely represented by that choice of one or two colors , what is the minimum number of colors...
[ "8", "7", "6", "5" ]
D
sciq
sciq_01_06118
What is the name for the male reproductive organs or gonads?
[ "ovaries", "anus", "testes", "nucleus" ]
C
sciq
sciq_01_02941
Where does evidence that magnetic reversals occur come from?
[ "air", "Volcanoes", "rocks on ocean floor", "snow" ]
C
sciq
sciq_01_01821
What is another word for seed plants?
[ "protosperm", "gymnosperm", "echinoderm", "phyla" ]
B
ARC-Easy
arc_04_02017
Multicellular organisms grow in size by producing more
[ "cells.", "organs.", "heart muscle.", "chlorophyll." ]
A
openbookqa
obqa_02_01010
When the digestive system is working
[ "it is bad to eat", "it is dismantling nutrients", "food is cleared out", "it is time for dinner" ]
B
ARC-Easy
arc_04_01448
The core of Earth is divided into two layers. The outer core is made of
[ "basaltic rocks.", "silicate rocks.", "solid iron and nickel.", "molten iron and nickel." ]
D
openbookqa
obqa_02_02611
The dam was put under much more stress after the
[ "drought", "huge rain storm", "breakup.", "party" ]
B
sciq
sciq_01_08073
Name a carbonyl in which the carbon atom is bonded to one carbon atom and one hydrogen atom (or two hydrogen atoms).
[ "ester", "aldehyde", "ketone", "acetylcholine" ]
B