dataset
stringclasses
6 values
id
stringlengths
12
16
question
stringlengths
1
935
choices
listlengths
4
4
answer
stringclasses
4 values
support
stringlengths
0
7.76k
openbookqa
obqa_02_01954
Diverting overflow from a reservoir through pipes generates
[ "The Colorado River", "hydropower", "The Hoover Dam", "solar power" ]
B
hydropower requires damming a river
math_qa
mathqa_03_01598
in a group of 25 , 13 can speak latin , 15 can speak french , and 6 do n ' t speak either . how many of these speak both latin and french ?
[ "9", "10", "11", "12" ]
A
let no . of persons who speeks booth latin and french = x so , no . of persons who speeks only latin = 13 - x no . of persons who speeks only french = 15 - x no . of persons who speeks dont speek any lag = 6 therefore ( 13 - x ) + ( 15 - x ) + x + 6 = 25 34 - x = 25 x = 9 answer : a
ARC-Easy
arc_04_00545
Directions Read the information about wind erosion then answer the question. Wind can cause erosion that changes the surface of the Earth. Wind erosion can have negative effects on the environment by removing soil and polluting the air during dust storms. Walter wanted to find out if faster wind speeds increased the am...
[ "anemometer", "barometer", "rain gauge", "thermometer" ]
A
null
math_qa
mathqa_03_00770
nick took a bus from home to market , that travels at 80 kmph . while walking back at 8 kmph , halfway through , he suddenly realized he was getting late and he cycled back the remaining distance in 60 kmph . find the average speed .
[ "49.5 kmph", "49.0 kmph", "48.5 kmph", "48.0 kmph" ]
D
let the distance be 2 x ( one way ) time taken by bus = 2 x / 80 , by walking = x / 8 , by cycling = x / 60 hours : . average speed = total distance / total time = 8 x / x / 40 + x / 8 + x / 60 = 8 * 60 / 1.5 + 7.5 + 1 = 12.0 answer : d
sciq
sciq_01_10521
What are the catalysts that occur naturally in living organisms and are primarily protein molecules?
[ "hormones", "enzymes", "acids", "carbohydrates" ]
B
Enzymes Enzymes, catalysts that occur naturally in living organisms, are almost all protein molecules with typical molecular masses of 20,000–100,000 amu. Some are homogeneous catalysts that react in aqueous solution within a cellular compartment of an organism. Others are heterogeneous catalysts embedded within the me...
openbookqa
obqa_02_03923
Someone with Lupus is probably in
[ "robust health", "excellent health", "tip top health", "shoddy health" ]
D
illness has a negative impact on an organism 's health
medmcqa
medmcqa_05_00265
In normal X–ray of shoulder which is'superior most structure –
[ "Greater tubercle", "Surgical neck of humerus", "Coracoid process", "Head of humerus" ]
C
From superior to inferior (important structure on X-ray sholder) :- Clavicle : Acromian : Coracoid : Superior margin of humeral head : greater tubercle : anatomical neck : surgical neck.
medmcqa
medmcqa_05_02056
Which of the following test is not done for anterior cruciate ligament injury?
[ "Anterior drawer test", "Pivot shift test", "Lachman's tes", "Dial test" ]
D
Dial test is done for Posterior cruciate ligament injury. Rest all tests are done for ACL injury- Lachman's test is the most sensitive test for anterior cruciate ligament tears. The anterior drawer test is a to test the stability of the anterior cruciate ligament (ACL) Pivot shift test- used to assess the combined tibi...
openbookqa
obqa_02_01860
If an anteater eats an ant, where is that ant contained?
[ "outside the anteater", "inside the anteater", "in the sky", "underground" ]
B
if something absorbs something else then that something will contain that something else
math_qa
mathqa_03_01850
the ratio of a to b is 4 to 5 , where a and b are positive . if x equals a increased by 75 percent of a , and m equals b decreased by 80 percent of b , what is the value of m / x ?
[ "1 / 7", "3 / 4", "4 / 5", "5 / 4" ]
A
"a / b = 4 / 5 m / x = ( 1 / 5 ) * 5 / ( 7 / 4 ) * 4 = 1 / 7 the answer is a ."
medmcqa
medmcqa_05_03509
What is not the management of a 1.6 cm bulbar urethral stricture in a patient with h/o pelvic fracture?
[ "Dilatation with a catheter", "Internal Urethrotomy", "Excision followed by end-to-end urethroplasty", "Excision f/b reconstruction using buccal mucosa" ]
D
Management of patients of urethral stricture:1. Dilatation2. Optical internal urethrotomy at 12"0 clock Position - only performed for sho bulbar stricture3. If length of stricture up to 2cm - Excisions with end to end Anastomoses4. If length of stricture > 2cm - Excision with tissue transfer for reconstruction (Buccal ...
sciq
sciq_01_10195
Which crust lies deep inside the ocean?
[ "youngest", "thickest", "shallowest", "oldest" ]
D
The oldest crust is coldest and lies deepest in the ocean.
sciq
sciq_01_08027
Scientists around the world study speciation, documenting observations both of living organisms and those found in the fossil record. as their ideas take shape and as research reveals new details about how life evolves, they develop models to help explain what?
[ "creation theory", "food chains", "spontaneous mutation", "rates of speciation" ]
D
Varying Rates of Speciation Scientists around the world study speciation, documenting observations both of living organisms and those found in the fossil record. As their ideas take shape and as research reveals new details about how life evolves, they develop models to help explain rates of speciation. In terms of how...
ARC-Easy
arc_04_00158
To safely conduct an experiment using chemicals, what should students always do?
[ "Work in large groups.", "Wear safety goggles.", "Wear short sleeves.", "Keep a window open." ]
B
null
sciq
sciq_01_11586
What system disorders include kidney stones, kidney failure, and urinary tract infections?
[ "urinary system", "nervous system", "renal system", "digestive system" ]
A
Disorders of the urinary system include kidney stones, kidney failure, and urinary tract infections.
openbookqa
obqa_02_00547
In a decade spring occurs
[ "three times", "twelve times", "ten times", "twice" ]
C
each season occurs once per year
ARC-Easy
arc_04_00466
At what time on a sunny day will the shadow of the school's flagpole be the shortest?
[ "sunrise", "noon", "mid-afternoon", "sunset" ]
B
null
openbookqa
obqa_02_04062
A dead giant sequoia
[ "turns into mistletoe", "flies away", "drops pine needles", "falls down" ]
D
if a tree falls then that tree is dead
sciq
sciq_01_02481
What phase follows ovulation?
[ "telophase", "luteal phase", "interstitial phase", "varicose phase" ]
B
sciq
sciq_01_08765
Free atoms are spherical in shape, so the relative sizes of the elements can be compared by looking at each atom's atomic what?
[ "weight", "angles", "axis", "radius" ]
D
One important characteristic that determines the way in which elements behave is the total size of each atom. Free atoms are spherical in shape, so the relative sizes of the elements can be compared by looking at each atom's atomic radius , which is the distance from an atom's nucleus to the electrons in the outermost ...
openbookqa
obqa_02_04014
If a hive of bees used to sleep through cold snaps, but now stay awake and productive during them, the hive probably
[ "melted", "adjusted", "subtracted", "froze" ]
B
adaptation is when an organism develops a trait over time for survival
sciq
sciq_01_05522
Most bacteria may be placed into one of three groups based on their response to gaseous?
[ "oxygen", "carbon", "nitrogen", "potassium" ]
A
Most bacteria may be placed into one of three groups based on their response to gaseous oxygen. What are these three groups?.
sciq
sciq_01_01211
What proteins span the entire plasma membrane?
[ "sequence", "amino acids", "transmembrane", "cytoplasm" ]
C
Transmembrane proteins span the entire plasma membrane. Their function is mainly to regulate the transport of specific molecules across the membrane. There are two basic types of transmembrane proteins, alpha-helical and beta-barrels, which are discussed in Organic Compounds: Proteins (Advanced) .
sciq
sciq_01_01046
Which muscular organ pumps blood all around your body?
[ "lungs", "heart", "stomach", "pancreas" ]
B
When you think of muscles, you might think of biceps and the external muscles you see in a bodybuilder. However, some muscles are found deep inside your body. The heart, for example, is a very muscular organ. It has to pump blood all around your body.
ARC-Challenge
arc_04_02334
A student compared the speeds at which a large and a small marble rolled down an inclined plane. In order to make the findings more reliable, the student should
[ "release the marbles at different heights.", "repeat the experiment several times.", "tilt the plane at different angles.", "use two marbles that are the same size." ]
B
null
sciq
sciq_01_09540
What term is used to describe muscle fibers that allows muscles to contract?
[ "fluorescence", "organisms", "ligaments", "organelle" ]
D
organelle in muscle fibers that allows muscles to contract.
sciq
sciq_01_02554
What is the minimum depth in the aphotic zone?
[ "200 meters", "150 meters", "10 meters", "450 meters" ]
A
The aphotic zone is water deeper than 200 meters. This is where too little sunlight penetrates for photosynthesis to occur. As a result, food must be made by chemosynthesis or else drift down from the water above.
math_qa
mathqa_03_04166
a alone can complete a work in 16 days and b alone can do in 12 days . star ɵ ng with a , they work on alternate days . the total work will be completed in
[ "1314", "1312", "1334", "1344" ]
C
explana ɵ on : a ' s 1 day work = 1 / 16 b ' s 1 day work = 1 / 12 as they are working on alternate day ' s so their 2 days work = ( 1 / 16 ) + ( 1 / 12 ) = 7 / 48 [ here is a small technique , total work done will be 1 , right , then mul ɵ ply numerator ɵ ll denominator , as 7 * 6 = 42 , 7 * 7 = 49 , as 7 * 7 is more ...
medmcqa
medmcqa_05_00514
Angiodema is seen due to deficiency of?
[ "Angiotensin converting enzyme", "C1 esterase inhibitor", "Histamine", "Angiotensin 1" ]
B
Ans. is 'b' i.e., Cl esterase inhibitor Angioedema (angiooedema/ Quincke's edema/ angioneurotic edema)o Characterized by rapid swelling (edema) of the dermis, subcutaneous tissue, mucosa and submucosal tissues. It is very similar to urticaria, but urticaria, commonly known as hives, occurs in the upper dermiso Angioede...
medmcqa
medmcqa_05_02242
A 24-year-old woman is noted to have atypical cells on a Pap smear that are consistent with infection by human papillomavirus (HPV). Which of the following describes the characteristic cytopathic effect caused by infection with HPV
[ "Hyperkeratosis", "Koilocytosis", "Parakeratosis", "Apoptosis" ]
B
Koilocytes are squamous epithelial cells that have nuclei with dense, hyperchromatic, condensed chromatin surround by a clear space. These cells have been described as having the appearance of a raisin. Koilocytes are the characteristic cytopathic effect of HPV. These changes are present in biopsy specimens from the ce...
sciq
sciq_01_10589
Particulates from cigarette smoke that enter what structures can cause a permanent reduction in lung capacity?
[ "cells", "glands", "chambers", "alveoli" ]
D
sciq
sciq_01_07520
What type of energy can be used to change the position or shape of an object, thus giving it potential energy?
[ "kinetic energy", "harmonic energy", "binary energy", "static energy" ]
A
Mechanical energy commonly changes between kinetic and potential energy. Kinetic energy is the energy of moving objects. Potential energy is energy that is stored in objects, typically because of their position or shape. Kinetic energy can be used to change the position or shape of an object, giving it potential energy...
sciq
sciq_01_01217
What do vertebrates have which invertebrates do not?
[ "backbones", "appendages", "fangs", "tails" ]
A
Vertebrates have a backbone, but invertebrates do not. Except for the chordates, all animal phyla consist only of invertebrates. Chordates include both vertebrates and invertebrates.
sciq
sciq_01_08354
For feeding, the head contains one pair of mandibles and two pairs of what?
[ "antennae", "chelicerae", "maxillae", "tracheae" ]
C
Insects have a pair of antennae for “smelling” and “tasting” chemicals. Some insects can also use their antennae to detect sound. Other sensory organs on the head include several simple eyes and a pair of compound eyes. The compound eyes let insects see images. Butterflies and bees can even see in color. For feeding, t...
medmcqa
medmcqa_05_04161
In what age group seminoma are common
[ "5-6th decade of life", "4-5th decade of life", "3-4th decade of life", "6-7th decade of life" ]
C
Seminomas are present in 3rd to 4th decade of life. Seminomas have best prognosis.
medmcqa
medmcqa_05_04318
X-ray finding of osteomyelitis within 8 day is -
[ "Cystic swelling", "Soft tissue swelling", "New bone formation", "Sequestrum formation" ]
B
Sequence of changes in osteomyelitis on X-ray are : Earliest finding of osteomyelitis on X ray within 8 days is soft tisse swelling and loss of soft tissue planes Bone destruction and formation of periosteal reaction seen at 10-14 days Invoucrum formation at 3 weeks Sequestrum formation at 4 weeks
sciq
sciq_01_01496
The phagocytes that are part of the body’s second line of defense attack any of what that they encounter?
[ "viruses", "pathogens", "parasites", "vaccines" ]
B
The phagocytes that are part of the body’s second line of defense attack any pathogens they encounter. They provide a general defense. Some white blood cells attack only certain pathogens. They provide a specific defense.
sciq
sciq_01_06424
Varicella zoster virus causes what two illnesses?
[ "flu and shingles", "syphilis and lyme", "german measles and flu", "chicken pox and shingles" ]
D
An enveloped virus. Varicella zoster virus causes chicken pox and shingles.
openbookqa
obqa_02_01472
Mice live in holes where?
[ "pastureland", "lakes", "oceans", "skyscrapers" ]
A
mice live in in holes in the ground in fields
sciq
sciq_01_09447
The temperature of the box is related to the average speed of what?
[ "earth", "air", "molecules", "light" ]
C
The temperature of the box is related to the average speed of the molecules. Use momentum principles to relate temperature to pressure. Explain conceptually, in words rather than with equations.
openbookqa
obqa_02_01139
A landslide has
[ "Multiple causes", "Unicorns", "Airplanes", "Fires" ]
A
landslides often occur on mountains
sciq
sciq_01_09696
What trimester is associated with rapid fetal growth?
[ "first trimester", "third trimester", "second trimester", "fourth trimester" ]
B
Figure 43.21 There is rapid fetal growth during the third trimester. (credit: modification of work by Gray’s Anatomy).
medmcqa
medmcqa_05_01919
This patient presented to the emergency depament with abdominal pain. What is the MOST significant diagnosis?
[ "Superior mesenteric aery embolus", "Superior mesenteric vein thrombosis", "Aoic dissectionLeaking aoic aneurysm", "Leaking aoic aneurysm" ]
A
There is a paially occlusive filling defect or defects within the contrast opacified superior mesenteric aery characteristic for a thromboembolus.
sciq
sciq_01_06650
Acne is a skin disturbance that typically occurs on areas of the skin that are rich in sebaceous glands (face and back). it is most common along with the onset of puberty due to association with these?
[ "thermal changes", "hormonal changes", "digestive changes", "mental changes" ]
B
Acne Acne is a skin disturbance that typically occurs on areas of the skin that are rich in sebaceous glands (face and back). It is most common along with the onset of puberty due to associated hormonal changes, but can also occur in infants and continue into adulthood. Hormones, such as androgens, stimulate the releas...
medmcqa
medmcqa_05_01029
A patient was started on fluphenazine. After few weeks of treatment, he started developing tremors, rigidity, bradykinesia and excessive salivation. First line of management for this patient is
[ "Trihexyphenidyl", "Pramipexole", "Amantadine", "Selegiline" ]
A
* Fluphenazine - D2 blocker (Anti-psychotic)* This is a case of typical antipsychotic induced parkinsonism.* The only group of drugs effective against "Pharmacological parkinsonism" (Drug induced parkinsonism) are Anti-cholinergic agents* Trihexyphenidyl:# Has high Central: Peripheral anticholinergic actions than atrop...
sciq
sciq_01_06909
An example of beta decay is the emission of an electron by a carbon-14 what?
[ "molecules", "protons", "ion", "nucleus" ]
D
Transmutation also occurs when a nucleus undergoes decay. An example of beta decay is the emission of an electron by a carbon-14 nucleus.
math_qa
mathqa_03_03755
having received his weekly allowance , a student spent 3 / 5 of his allowance at the arcade . the next day he spent one third of his remaining allowance at the toy store , and then spent his last $ 1.00 at the candy store . what is this student ’ s weekly allowance ?
[ "$ 2.75", "$ 3.25", "$ 3.75", "$ 4.25" ]
C
"let x be the value of the weekly allowance . ( 2 / 3 ) ( 2 / 5 ) x = 100 cents ( 4 / 15 ) x = 100 x = $ 3.75 the answer is c ."
ARC-Easy
arc_04_00342
A snail's shell provides the snail with
[ "food.", "energy.", "protection.", "transportation." ]
C
null
ARC-Challenge
arc_04_03154
How much time is required for a bicycle to travel a distance of 100 m at an average speed of 2 m/s?
[ "0.0", "s B 50 s", "100 s", "200 s" ]
B
null
medmcqa
medmcqa_05_03097
A child Mahesh has been diagnosed to be having vitamin D dependent rickets. The most appropriate vitamin D preparation for him is:
[ "Calciferol", "Cholecalciferol", "Calcifediol", "Calcitriol" ]
D
(Ref: KDT 6/e p390) Most active vitamin D preparation is calcitriol.
sciq
sciq_01_02698
What is used to measure electric current?
[ "chronometer", "anemometer", "galvanometer", "atomizer" ]
C
math_qa
mathqa_03_01952
dacid obtained 45 , 35 , 52 , 47 and 55 marks ( out of 100 ) in english , mathematics , physics , chemistry and biology . what are his average marks ?
[ "79", "99", "47", "89" ]
C
average = ( 45 + 35 + 52 + 47 + 55 ) / 5 = 234 / 5 = 47 . answer : c
sciq
sciq_01_05276
The number of moles of solute in 1 kg of solvent is defined as what?
[ "kilocalorie", "singularity", "pollenation", "molarity" ]
D
An alternative way to define the concentration of a solution is molality, abbreviated m. Molality is defined as the number of moles of solute in 1 kg of solvent. How is this different from molarity? Would you expect a 1 M solution of sucrose to be more or less concentrated than a 1 m solution of sucrose? Explain your a...
sciq
sciq_01_10367
What describes the way light reflects off of the surface of the mineral?
[ "luster", "hardness", "density", "intensity" ]
A
Luster describes the way light reflects off of the surface of the mineral. You might describe diamonds as sparkly or pyrite as shiny. But mineralogists have special terms to describe luster. They first divide minerals into metallic and non-metallic luster. Minerals that are opaque and shiny, like pyrite, are said to ha...
sciq
sciq_01_08105
What branch of science is the study of human origins?
[ "paleoanthropology", "biology", "pharmacology", "palaeobiology" ]
A
sciq
sciq_01_02999
What do you call the fragments of cells involved in the clotting process that are suspended in blood plasma?
[ "platelets", "hemoglobin", "hematocrit", "ironites" ]
A
openbookqa
obqa_02_02737
If an entity in intergalactic space has thrust placed upon it, what is the expected result?
[ "it will start moving with acceleration", "it will make a loud noise", "spontaneously teleport a light year away", "remain in the same location" ]
A
a rocket engine is used to produce thrust by pushing gases out at a high speed
sciq
sciq_01_03522
What illnesses are caused by damage to the alveoli of the lungs?
[ "smoking and emphysema", "pneumonia and emphysema", "avian and emphysema", "chronic and emphysema" ]
B
Pneumonia and emphysema are caused by damage to the alveoli of the lungs.
sciq
sciq_01_00082
An endocrine disease usually involves the secretion of too much or not enough of what?
[ "sweat", "hormone", "enzyme", "metabolite" ]
B
Diseases of the endocrine system are relatively common. An endocrine disease usually involves the secretion of too much or not enough hormone. When too much hormone is secreted, it is called hypersecretion. When not enough hormone is secreted, it is called hyposecretion.
math_qa
mathqa_03_03421
when positive integer x is divided by positive integer y , the remainder is 9 . if x / y = 96.25 , what is the value of y ?
[ "96", "75", "36", "25" ]
C
"guys , one more simple funda . 5 / 2 = 2.5 now . 5 x 2 = 1 is the remainder 25 / 4 = 6.25 now . 25 x 4 = 1 is the remainder 32 / 5 = 6.4 now . 4 x 5 = 2 is the remainder given x / y = 96.25 and remainder is 9 so . 25 x y = 9 hence y = 36 ans c"
math_qa
mathqa_03_04389
the top and bottom of a tower were seen to be at angles of depression 30 ° and 60 ° from the top of a hill of height 100 m . find the height of the tower
[ "64.67 m", "66.67 m", "68.67 m", "56.67 m" ]
B
by making a diagram ac represents the hill and de represents the pole given that ac = 100 m anglexad = angleadb = 30 ° ( ∵ ax | | bd ) anglexae = angleaec = 60 ° ( ∵ ax | | ce ) let de = h then , bc = de = h , ab = ( 100 - h ) ( ∵ ac = 100 and bc = h ) , bd = ce tan 60 ° = acce = > 3 √ = 100 ce = > ce = 1003 √ - - - ( ...
ARC-Challenge
arc_04_03133
While collecting wildflowers, a student begins to sneeze and has itchy, watery eyes. What bodily system causes this reaction?
[ "immune", "nervous", "muscular", "circulatory" ]
A
null
math_qa
mathqa_03_01224
what is the least number of square tiles required to pave the floor of a room 50 m 00 cm long and 11 m 25 cm broad ?
[ "724", "804", "814", "9000" ]
D
solution length of largest tile = h . c . f . of 5000 cm & 1125 cm = 25 cm . area of each tile = ( 25 x 25 ) cm 2 ∴ required number of tiles = [ 5000 x 1125 / 25 x 25 ] = 9000 . answer d
sciq
sciq_01_01652
What kind of climates are found at or near the equator?
[ "dry grasslands", "tropical climates", "arctic climates", "tundra" ]
B
Tropical climates are found at or near the Equator. Because warm air rises at the Equator, there is a lot of rain.
math_qa
mathqa_03_03480
what is the sum of all the prime numbers from 20 to 40 ?
[ "279", "100", "278", "120" ]
D
"explanation : 23 + 29 + 31 + 37 = 120 answer : d"
sciq
sciq_01_06838
What layer of skin is directly under the epidermis?
[ "hypodermis", "sweat glands", "the dermis", "the aponeurosis" ]
C
The dermis is the layer of skin directly under the epidermis. It is made of a tough connective tissue. The dermis contains hair follicles, sweat glands, oil glands, and blood vessels ( Figure above ). It also holds many nerve endings that give you your sense of touch, pressure, heat, and pain.
medmcqa
medmcqa_05_01839
Transfer of an amino group from an amino acid to an alpha-keto acid is done by
[ "Transaminases", "Oxidases", "Transketolases", "Deaminases" ]
A
Transamination is a reversible reaction in which a-NH2 group of one amino acid is transferred to an a-ketoacid resulting in the formation of a new amino acid and a new ketoacid.Ref: Textbook of medical biochemistry, MN Chatterji, 8th edition, page no: 474
sciq
sciq_01_00144
What are made of long chains consisting almost solely of carbon and hydrogen?
[ "nucleic acids", "enzymes", "lipids", "proteins" ]
C
Lipids are made of long chains consisting almost solely of carbon and hydrogen. These long chains are called fatty acids. Fatty acids may be saturated or unsaturated. Figure below shows an example of each type of fatty acid.
sciq
sciq_01_09355
What is the part of the shadow that is partially lit called?
[ "pentila", "pleura", "penumbra", "eclipse" ]
C
The penumbra is the part of the shadow that is partially lit.
openbookqa
obqa_02_01726
A certain plant is in a field and bees suddenly surround it and climb all over it and fly away. The next year
[ "there are fewer total plants", "that plant type rolls out", "there is an earthquake", "there is exactly two trees" ]
B
as the number of pollinators attracted to a flower increases , the ability of that flower to reproduce will increase
openbookqa
obqa_02_02671
A close object will seem to be
[ "miniscule", "minute", "puny", "ginormous" ]
D
if an object is close then that object will appear large
ARC-Challenge
arc_04_03041
Which of these methods of energy resource acquisition has the least effect on the lithosphere?
[ "surface mining for uranium", "pumping oil from under water", "harvesting wood by selective cutting", "collecting natural gas from old oil wells" ]
C
null
medmcqa
medmcqa_05_04938
Which of the following structures form the bulge marked X?
[ "Anterior Aortic sinus", "Right posterior Aortic sinus", "Left posterior Aortic sinus", "pulmonary trunk" ]
B
The X marked bulge in Right atrium is Torus Aorticus formed by Right posterior Aortic sinus.
math_qa
mathqa_03_01792
in town p , 60 percent of the population are employed , and 42 percent of the population are employed males . what percent of the employed people in town p are females ?
[ "20 %", "25 %", "30 %", "35 %" ]
C
"the percent of the population who are employed females is 60 - 42 = 18 % the percent of employed people who are female is 18 % / 60 % = 30 % . the answer is c ."
math_qa
mathqa_03_02673
a number x is 8 times another number y . the percentage that y is less than x is
[ "12.5 %", "87.5 %", "80 %", "11 %" ]
B
"say y = 1 and x = 8 . then y = 1 is less than x = 8 by ( 8 - 1 ) / 8 * 100 = 7 / 8 * 100 = 87.5 % . answer : b ."
sciq
sciq_01_07403
Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what?
[ "catalyst", "methane", "Ethanol", "temperature" ]
A
Catalytic converters in cars increase the rates of several important reactions. Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a catalyst. Additionally, carbon monoxide (a harmful gas produced by incomplete combustion of fuel) is further oxidized to carbon dioxide, and...
openbookqa
obqa_02_02120
The closest thing in the sky to our globe is
[ "a dwarf star", "a satellite", "a black hole", "a planet" ]
B
the moon is the celestial object that is closest to the Earth
medmcqa
medmcqa_05_01687
The culture media for fungus is
[ "Tellurite medium", "NNN medium", "Chocolate agar medium", "Sabourauds medium" ]
D
Tellurite and chocolate agar are bacterial culture media. NNN media used for culture of the parasite (Leishmania). Reference: Textbook of Microbiology; Baveja; 4th edition
sciq
sciq_01_04704
What are inorganic compounds that take the form of discrete molecules called?
[ "molecular compounds", "ionic compounds", "magnetic compounds", "functional compounds" ]
A
Molecular compounds are inorganic compounds that take the form of discrete molecules . Examples include such familiar substance as water (H 2 O) and carbon dioxide (CO 2 ). These compounds are very different from ionic compounds like sodium chloride (NaCl). Ionic compounds are formed when metal atoms lose one or more o...
sciq
sciq_01_06311
The ostrich, kiwi, rhea, cassowary, and moa are examples of what kind of birds?
[ "predators", "raptors", "prehistoric", "flightless" ]
D
Some birds have lost the ability to fly during the course of their evolution. Several flightless birds are shown in Figure below . They include the ostrich, kiwi, rhea, cassowary, and moa. All of these birds have long legs and are adapted for running. The penguins shown in the figure are also flightless birds, but they...
ARC-Challenge
arc_04_02309
Sooj learned that whales use vocalization to navigate and to communicate with other whales. Some scientists think that noise pollution in whale habitats may harm whale populations. What would be the most likely effect of noise pollution on whales?
[ "alteration of whale genetic material", "reversed flow of energy through whale habitats", "reduced populations of food organisms in whale habitats", "separation of whale family groups" ]
D
null
sciq
sciq_01_09839
The paired bones of the skull are the palatine, zygomatic, nasal, lacrimal, inferior nasal conchae bones, and what else?
[ "minilla", "elongated", "ventral", "maxilla" ]
D
Facial Bones of the Skull The facial bones of the skull form the upper and lower jaws, the nose, nasal cavity and nasal septum, and the orbit. The facial bones include 14 bones, with six paired bones and two unpaired bones. The paired bones are the maxilla, palatine, zygomatic, nasal, lacrimal, and inferior nasal conch...
medmcqa
medmcqa_05_01360
Ovulation in a female with 38 day cycle is :
[ "14th day", "8th day", "24th day", "30th day" ]
C
24th day
openbookqa
obqa_02_01455
The circulatory system is so long it
[ "could be wrapped around the earth", "is the length of a horse", "is the length of the universe", "is the length of the universe" ]
A
the circulatory system brings oxygen from the lungs to the rest of the body
sciq
sciq_01_09602
What often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons?
[ "oxidation", "carbonation", "precipitation", "decomposition" ]
A
Oxidation often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons.
openbookqa
obqa_02_04650
If a bright thing in the sky that is something other than our Sun does something in just under a month, it is likely
[ "the stars rising", "the Sun burning", "the air dying", "luna cycling" ]
D
the Moon completes a lunar cycle over a period of 29 days
openbookqa
obqa_02_02944
Which is likely to still be in water after treatment?
[ "feces", "dirt", "harmless dissolved rocks", "mercury" ]
C
treating water is used to remove harmful substances before drinking
openbookqa
obqa_02_02113
The middle of the day usually involves the bright star nearest to the earth to be straight overhead why?
[ "moon rotation", "human planet rotation", "moons gravity", "global warming" ]
B
the moon 's surface contains highlands
sciq
sciq_01_08456
In a tropical rainforest, where are ferns common?
[ "understory", "forrest floor", "emergent", "canopy" ]
A
Photography by Kat. Ferns are common in the understory of the tropical rainforest . CC BY 2.0.
sciq
sciq_01_06322
Of the three basic types of radioactive emissions, what particle is the most penetrating?
[ "alpha", "gamma", "beta", "neutron" ]
B
The various emissions will differ considerably in their ability to go through matter, known as their penetrating ability . The α-particle has the least penetrating power since it is the largest and slowest emission. It can be blocked by a sheet of paper or a human hand. Beta particles are more penetrating than alpha pa...
ARC-Challenge
arc_04_02582
If a new organism were discovered, which of the following would most likely be used to classify it into the appropriate kingdom?
[ "the color of the organism", "the organism's natural habitat", "the structure of the organism's anatomy", "the location where the organism was found" ]
C
null
math_qa
mathqa_03_04032
employees of a certain company are each to receive a unique 5 - digit identification code consisting of the digits 0 , 1 , 2 , 3 , and 4 such that no digit is used more than once in any given code . in valid codes , the second digit in the code is exactly twice the first digit . how many valid codes are there ?
[ "10", "12", "14", "16" ]
B
there are 3 ! ways to make codes starting with 12 . there are 3 ! ways to make codes starting with 24 . the number of codes is 2 * 3 ! = 12 . the answer is b .
sciq
sciq_01_08849
The cell walls of fungi are made of what?
[ "mucous", "cartilage", "chitin", "lectin" ]
C
Today, fungi are no longer classified as plants. We now know that they have unique physical, chemical, and genetic traits that set them apart from plants (and other eukaryotes). For example, the cell walls of fungi are made of chitin, not cellulose. Also, fungi absorb nutrients from other organisms, whereas plants make...
sciq
sciq_01_01811
What type of organism is algae?
[ "yeast", "virus", "bacteria (cyanobacteria)", "amoeba" ]
C
Describe why algae is a good source of biofuel.
ARC-Challenge
arc_04_02900
Which source of electricity would harm the environment the least?
[ "solar power", "diesel generator", "hydroelectric dams", "power lines" ]
A
null
math_qa
mathqa_03_02177
if a ( k ) = ( 2 k + 1 ) ^ k , and k = 0 , what is the value of a ( a ( a ( k ) ) ) ?
[ "343", "199", "121", "69" ]
A
a ( a ( a ( 0 ) ) ) = a ( a ( 1 ) ) = a ( 3 ) = ( 6 + 1 ) ^ 3 = 343 . thus , the answer is a .
ARC-Challenge
arc_04_02935
A combination of processes occurs when stars are forming. Which is one process most likely associated with the formation of new stars?
[ "Hydrogen in the cores of the stars is exhausted.", "Material accumulates from stars that have died.", "Elements in the stars such as iron undergo fusion.", "Cores of stars become twice as massive as the Sun." ]
B
null
sciq
sciq_01_10599
Mosses, liverworts, and hornworts are examples of what type of plant in which gametophyte generation is dominant?
[ "vascular plants", "nonvascular plants", "choanocyte plants", "photoreactive plants" ]
B
Nonvascular plants include mosses, liverworts, and hornworts. They are the only plants with a life cycle in which the gametophyte generation is dominant. Figure below shows the life cycle of moss. The familiar, green, photosynthetic moss plants are gametophytes. The sporophyte generation is very small and dependent on ...
math_qa
mathqa_03_01061
the cash difference between the selling prices of an book at a profit of 4 % and 6 % is $ 3 . the ratio of the two selling prices is :
[ "50 : 53", "58 : 53", "52 : 53", "42 : 36" ]
C
"c 52 : 53 let c . p . of the book be $ x . then , required ratio = 104 % of x / 106 % of x = 104 / 106 = 52 / 53 = 52 : 53"
openbookqa
obqa_02_04949
food is a source of energy for what?
[ "waterfalls", "fires", "grass snakes", "mountains" ]
C
food is a source of energy for animals