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openbookqa
obqa_02_00555
A smack on a wooden board can be heard a mile away
[ "because sound travels through oxygen", "because of how sound works", "because vibration can move", "because sound vibrates through atmosphere" ]
D
sound can travel through air
math_qa
mathqa_03_04102
the marks obtained by polly and sandy are in the ratio 5 : 6 and those obtained by sandy and willy are in the ratio of 3 : 2 . the marks obtained by polly and willy are in the ratio of . . . ?
[ "3 : 2", "5 : 4", "7 : 6", "9 : 8" ]
B
"polly : sandy = 5 : 6 sandy : willy = 3 : 2 = 6 : 4 polly : sandy : willy = 5 : 6 : 4 polly : willy = 5 : 4 the answer is b ."
sciq
sciq_01_03700
Tendons connecting the scapula to the humerus form what, which is the circle of tendons around the shoulder joint?
[ "wrist cuff", "thigh cuff", "knee cuff", "rotator cuff" ]
D
The rest of the shoulder muscles originate on the scapula. The anatomical and ligamental structure of the shoulder joint and the arrangements of the muscles covering it, allows the arm to carry out different types of movements. The deltoid, the thick muscle that creates the rounded lines of the shoulder is the major ab...
math_qa
mathqa_03_00945
a train 1000 m long can cross an electric pole in 200 sec and then find the speed of the train ?
[ "12", "14", "16", "18" ]
D
"length = speed * time speed = l / t s = 1000 / 200 s = 5 m / sec speed = 5 * 18 / 5 ( to convert m / sec in to kmph multiply by 18 / 5 ) speed = 18 kmph answer : d"
sciq
sciq_01_10185
Induced mutations are caused by environmental factors. what term is used to describe a mutation that has no environmental cause?
[ "evident mutation", "cancerous mutation", "spontaneous mutation", "numerous mutation" ]
C
Mutagenesis may occur spontaneously or be induced. A spontaneous mutation can just happen. These mutations are not caused by an environmental factor, but occur during normal cellular processes. A spontaneous mutation may be due to a mistake during DNA replication or transcription. Mutations may also occur during mitosi...
sciq
sciq_01_05495
The ordovician-silurian extinction event is the first recorded mass extinction and the second largest. during this period, about what percent of marine species went extinct?
[ "40 percent", "99 percent", "10 percent", "85 percent" ]
D
The Ordovician-Silurian extinction event is the first recorded mass extinction and the second largest. During this period, about 85 percent of marine species (few species lived outside the oceans) became extinct. The main hypothesis for its cause is a period of glaciation and then warming. The extinction event actually...
ARC-Easy
arc_04_00749
Janet learns that Earth is tilted. Due to its tilt, some areas on the surface of Earth experience darkness for an entire day. Which plant process is affected most during this darkness?
[ "root growth", "reproduction", "photosynthesis", "water absorption" ]
C
null
sciq
sciq_01_05407
What consist of chains of small molecules called nucleotides?
[ "nucleic acids", "Atomic acids", "nitrous acids", "structural acids" ]
A
Nucleic acids are biochemical compounds that include RNA (ribonucleic acid) and DNA (deoxyribonucleic acid). Nucleic acids consist of chains of small molecules called nucleotides. Nucleotides are the monomers of nucleic acids. A nucleotide is shown in Figure below .
openbookqa
obqa_02_04431
The looseness of soil increases the amount of what in it?
[ "bugs", "dirt", "water", "air" ]
D
the looseness of soil increases the amount of oxygen in that soil
math_qa
mathqa_03_02259
a train running at a speed of 36 kmph crosses an electric pole in 12 seconds . in how much time will it cross a 320 m long platform ?
[ "44 min", "55 min", "47 min", "67 min" ]
A
"a 44 min let the length of the train be x m . when a train crosses an electric pole , the distance covered is its own length . so , x = 12 * 36 * 5 / 18 m = 120 m . time taken to cross the platform = ( 120 + 320 ) / 36 * 5 / 18 = 44 min ."
openbookqa
obqa_02_01063
a student notices a large number of hawks in the playground, what will likely happen to the lizards?
[ "they will flourish and thrive", "their kind will dwindle", "they will become predators", "all of these" ]
B
hawks eat lizards
math_qa
mathqa_03_02316
a , b , c subscribe rs . 50,000 for a business . a subscribes rs . 4000 more than b and b rs . 5000 more than c . out of a total profit of rs . 35,000 , c receives :
[ "s . 14,000", "s . 14,200", "s . 4,400", "s . 8,400" ]
D
"let c = x . then , b = x + 5000 and a = x + 5000 + 4000 = x + 9000 . so , x + x + 5000 + x + 9000 = 50000 3 x = 36000 x = 12000 a : b : c = 21000 : 17000 : 12000 = 21 : 17 : 12 . c ' s share = rs . ( 35000 x 12 / 50 ) = rs . 8,400 . d"
openbookqa
obqa_02_02531
You might recycle plastic by creating
[ "happiness", "love", "beanies", "the sun" ]
C
An example of recycling is using an object to make a new object
sciq
sciq_01_04765
In some parts of the world, too much of the sun's harmful uv radiation gets through because of a hole in what layer?
[ "ozone", "troposphere", "mesosphere", "thermosphere" ]
A
Punta Arenas, Chile is the world's most southern city. At such a high latitude, winters are exceedingly cold and dark. Unlike the children pictured above, the children in Punta Arenas must stay inside to avoid the cold. Of course, they look forward to spring when they can go out to play. But some years, it is too dange...
ARC-Easy
arc_04_01996
Which of the following is a common renewable resource found in deserts?
[ "biodiesel", "uranium", "natural gas", "solar energy" ]
D
null
medmcqa
medmcqa_05_01324
Average hearing at 500, 1000, 2000 Hz is 45 db in the left ear. Percentage hearing loss in left ear is, when 25 dB loss is considered normal:
[ "0.45", "0.2", "0.3", "0.4" ]
C
Ref: Diseases of Ear, Nose and Throat, By Mohan Bonsai Page 164 Explanation: DEGREE OF HEARING HANDICAP The hearing impairment can affect person's ability to hear and perform certain activities (disability). The degree of hearing impairment and handicap are termed in percentage for purposes of compensation. METHOD OF C...
openbookqa
obqa_02_01357
A pulley is used to do what with objects?
[ "crush", "cool", "increase altitude", "elevate significance" ]
C
a pulley is used for lifting objects
sciq
sciq_01_01906
Somatic, autonomic, and enteric structures are part of what system?
[ "adrenal system", "nervous system", "circulatory system", "circulatory system" ]
B
Figure 12.6 Somatic, Autonomic, and Enteric Structures of the Nervous System Somatic structures include the spinal nerves, both motor and sensory fibers, as well as the sensory ganglia (posterior root ganglia and cranial nerve ganglia). Autonomic structures are found in the nerves also, but include the sympathetic and ...
ARC-Easy
arc_04_00613
Which of the following best explains why the Sun appears to move across the sky every day?
[ "The Sun rotates on its axis.", "Earth rotates on its axis.", "The Sun orbits around Earth.", "Earth orbits around the Sun." ]
B
null
ARC-Challenge
arc_04_02233
Many common hand tools create a mechanical advantage by using the basic principles found in simple machines. For example, a screwdriver uses the principles of the wheel and axle. In order to increase gripping force, pliers use the principle demonstrated in the
[ "pulley.", "lever.", "wedge.", "screw." ]
B
null
medmcqa
medmcqa_05_01104
A 50 year old male presents with painupper abdomen, pruzitus, jaundice and weight loos, elevated ANA, the likely diagnosis is
[ "Primary sclerosing cholangitis", "Klatskin tumor", "Secondary sclerosing cholangitis", "Choledocholinthiasis" ]
A
.Primary sclerosing cholangitis is one wherein no cause is found and is associated with ulcerative colitis, Sjogren's syndrome, Crohn's disease, Grave's disease. It eventually leads to biliary cirrhosis. Primary sclerosing cholangitis (PSC) is an idiopathic, progressive, chronic, cholestatic pathology with diffuse infl...
math_qa
mathqa_03_04729
how long does a train 100 m long traveling at 72 kmph takes to cross a tunnel of 1400 m in length ?
[ "70 sec", "60 sec", "82 sec", "75 sec" ]
D
d = 1400 + 100 = 1500 m s = 72 * 5 / 18 = 20 t = 1500 * 1 / 20 = 75 sec answer : d
math_qa
mathqa_03_00774
sarah is driving to the airport . after driving at 40 miles per hour for one hour , she realizes that if she continues at that same average rate she will be an hour late for her flight . she then travels 50 miles per hour for the rest of the trip , and arrives 30 minutes before her flight departs . how many miles did s...
[ "140", "340", "210", "245" ]
B
"after driving at 40 miles per hourfor one hour , this distance left to cover is d - 40 . say this distance is x miles . now , we know that the difference in time between covering this distance at 40 miles per hour and 50 miles per hour is 1 + 1 / 2 = 3 / 2 hours . so , we have that x / 40 - x / 50 = 3 / 2 - - > 5 x / ...
sciq
sciq_01_05764
What is the name of the blood protein that carries oxygen from the lungs to the body's assorted tissues?
[ "White Blood cells", "insulin", "plasma", "hemoglobin" ]
D
Anemia is a disease that occurs when there is not enough hemoglobin in the blood to carry oxygen to body cells. Hemoglobin is the blood protein that normally carries oxygen from the lungs to the tissues. Anemia leads to a lack of oxygen in organs.
ARC-Easy
arc_04_00250
In many caves, rock formations include stalactites and stalagmites. Where does the rock in these formations come from?
[ "magma", "rainwater", "dissolved minerals", "decaying organic matter" ]
C
null
ARC-Easy
arc_04_01265
An idea that the universe originated with an explosion is supported by repeated observations of light from distant galaxies traveling away from Earth. An idea that has been tested repeatedly and is supported by repeated results is most likely a
[ "hypothesis.", "theory.", "law.", "fact." ]
B
null
math_qa
mathqa_03_02890
a trader sells 40 metres of cloth for rs . 8200 at a profit of rs . 55 per metre of cloth . how much profit will the trder earn on 40 metres of cloth ?
[ "rs . 950", "rs . 1500", "rs . 1000", "rs . 2200" ]
D
explanation : sp of 1 metre cloth = 8200 / 40 = rs . 205 . cp of 1 metre cloth = rs . 205 – 55 = rs . 150 cp on 40 metres = 150 x 40 = rs . 6000 profit earned on 40 metres cloth = rs . 8200 – rs . 6000 = rs . 2200 . answer : option d
sciq
sciq_01_11317
What country put seven salyut space stations into orbit between 1971 and 1982?
[ "United States", "Japan", "soviet union", "China" ]
C
Between 1971 and 1982, the Soviets put a total of seven Salyut space stations into orbit. Figure below shows the last of these, Salyut 7. These were all temporary stations. They were launched and later inhabited by a human crew. Three of the Salyut stations were used for secret military purposes. The others were used t...
openbookqa
obqa_02_04118
A dark cave fulfills what need for a wild, roaming grizzly bear?
[ "exercise for its health", "shelter for its safety", "food for it to eat", "friends for some companionship" ]
B
an animal requires shelter
openbookqa
obqa_02_04252
What can you make with the stove?
[ "ice cream sundaes", "whipped cream", "egg noodles", "ice cream sandwiches" ]
C
if liquid is boiling then that liquid is hot
sciq
sciq_01_05014
What makes up the dense outer layer of bones?
[ "scales", "compact bone", "marrow", "cartilage" ]
B
Compact bone makes up the dense outer layer of bones.
ARC-Easy
arc_04_00491
Which characteristic is inherited rather than learned?
[ "telling a story", "saluting the flag", "having blue eyes", "riding a bicycle" ]
C
null
openbookqa
obqa_02_01650
You may be able to use solar energy to power
[ "a garden", "a bike", "a coffee grinder", "water pipes" ]
C
solar energy is a renewable resource
medmcqa
medmcqa_05_04409
Gait disorder described as 'Slipping Clutch Syndrome' occurs in
[ "Cerebellar gait disorder", "Sensory gait disorder", "Parkinson gait disorder", "Frontal gait disorder" ]
D
(D) Frontal gait disorder # FRONTAL GAIT DISORDER (gait apraxia) is common in elderly & has a variety of causes.> Term is used to describe a shuffling freezing gait with imbalance and other signs of higher cerebral dysfunction.> Typical features include a wide base of support a short stride shuffling along the floor & ...
ARC-Easy
arc_04_00825
An example of a learned trait is
[ "being able to read", "being able to breathe", "having a scar", "having brown eyes" ]
A
null
math_qa
mathqa_03_04247
if 16 % of 40 % of a number is 6 , then the number is
[ "200", "225", "93.75", "320" ]
C
explanation : let 16 / 100 × 40 / 100 × a = 6 a = 6 × 100 × 100 / 16 × 40 = 93.75 correct option : c
medmcqa
medmcqa_05_04311
Karyotype of partial mole?
[ "46 XX", "46 XY", "69 XXY", "66 XXY" ]
C
Partial mole is triploid, commonly 69 XXY. Complete mole is either 46 XX or 46 XY.
medmcqa
medmcqa_05_02928
"Winging" of the Scapula is due to injury to:
[ "Nerve supplying serratus anterior", "Pectoral nerve", "Subscapular nerve", "Ulnar nerve" ]
A
Nerve supplying serratus anterior
openbookqa
obqa_02_02264
A creature that has developed to a certain age will be more likely to
[ "float", "sneeze", "fornicate", "sing" ]
C
reproduction occurs during adulthood
math_qa
mathqa_03_04657
the two lines y = x and x = - 2 intersect on the coordinate plane . if z represents the area of the figure formed by the intersecting lines and the x - axis , what is the side length of a cube whose surface area is equal to 6 z ?
[ "16", "8 √ 2", "8", "√ 2" ]
D
"800 score official solution : the first step to solving this problem is to actually graph the two lines . the lines intersect at the point ( - 2 , - 2 ) and form a right triangle whose base length and height are both equal to 4 . as you know , the area of a triangle is equal to one half the product of its base length ...
ARC-Easy
arc_04_01888
Which of the following helps the body to cool down?
[ "shivering", "sweating", "running a fever", "taking deep breaths" ]
B
null
openbookqa
obqa_02_01856
A vehicle rounds a corner and slips, squealing. The tires at that point experienced
[ "less friction", "more friction", "free falling", "zero friction" ]
B
skidding causes friction
sciq
sciq_01_04188
What cycle is frequency measured in per second?
[ "watt", "decibel", "Krebs", "hertz" ]
D
The frequency, is the number of cycles an object goes through in second. Frequency is measured in Hertz . cycle per sec.
openbookqa
obqa_02_02970
A new walnut tree sprouted up 200 feet away from the nearest other walnut tree.
[ "a walnut was carried to the new spot on a light breeze", "a walnut was picked and carried into a house", "all the walnuts were gathered by a walnut farmer", "a squirrel was forgetful" ]
D
In the tree reproduction process a squirrel has the role of seed disperser
sciq
sciq_01_07769
A highway that switches back and forth as it climbs up a steep hillside, yeilding a much gentler slope, is an example of what simple machine?
[ "pulley", "inclined plane", "lever", "wheel" ]
B
The highway above switches back and forth as it climbs up the steep hillside. The much gentler slope of the road makes it easier for vehicles to reach the top of the mountain. The highway is an example of an inclined plane.
sciq
sciq_01_04468
An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what?
[ "oxygen", "nitrogen", "hydrogen", "sulfur" ]
A
An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of oxygen. An ether is represented by the general formula R−O−R’. The R’ in the formula means that the hydrocarbon group can be the same as R or it can be different. The steps for naming ethers are listed below.
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
a canyon forming occurs over a period of millions of years
openbookqa
obqa_02_04843
Which uses a nonrenewable resource?
[ "wind chimes", "solar-powered car", "a B52 Bomber", "a bicycle" ]
C
oil is a nonrenewable resource
sciq
sciq_01_01619
What type of tissue runs the length of a stem in vascular bundles?
[ "muscle tissue", "vascular tissue", "thermal tissue", "cardiac tissue" ]
B
math_qa
mathqa_03_00891
find the average of first 4 multiples of 5 ?
[ "10", "15", "12.5", "13" ]
C
"average = ( 5 + 10 + 15 + 20 ) / 4 = 12.5 answer is c"
sciq
sciq_01_10807
While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what?
[ "egg", "semen", "ovum", "datum" ]
C
Spermatogenesis produces four haploid sperm cells, while oogenesis produces one mature ovum.
medmcqa
medmcqa_05_00278
Which of the following is the drug of choice for the treatment of inappropriate anti-diuretic hormone secretion:
[ "Frusemide", "Hydrochlorothiazide", "Spironolactone", "Demeclocycline" ]
D
Answer is D (Demeclocycline): The treatment of choice for S1APH is water restriction. The drug of choice for SIAPH (when water restriction is unsuccessful is demeclocycline). Demeclocycline (a tetracycline) acts as an ADH antagonist.
openbookqa
obqa_02_03644
If you want to stay dry in the park you should avoid
[ "sunshine", "showers", "covered awnings", "the car" ]
B
precipitation is when water falls from the sky
sciq
sciq_01_04055
What does bowman's capsule form by surrounding the glomerulus?
[ "lipids", "lumen", "ions", "pores" ]
B
Renal Corpuscle As discussed earlier, the renal corpuscle consists of a tuft of capillaries called the glomerulus that is largely surrounded by Bowman’s (glomerular) capsule. The glomerulus is a high-pressure capillary bed between afferent and efferent arterioles. Bowman’s capsule surrounds the glomerulus to form a lum...
sciq
sciq_01_01788
Leaving tampons in for too long can put you at risk of what syndrome?
[ "Scalded Skin Syndrome", "toxic shock", "Endometrial Cancer", "Vaginismis" ]
B
If you are a girl and use tampons, be sure to change them every four to six hours. Leaving tampons in for too long can put you at risk of toxic shock syndrome . This is a serious condition. Signs and symptoms of toxic shock syndrome develop suddenly, and the disease can be fatal. The disease involves fever, shock, and ...
sciq
sciq_01_09781
What is the apt term for the very slow movement of rock and soil down a hillside?
[ "drop", "glide", "creep", "landslide" ]
C
Creep is the very slow movement of rock and soil down a hillside. Creep occurs so slowly you can’t see it happening. You can only see the effects of creep after years of movement ( Figure below ). The slowly moving ground causes trees, fence posts, and other structures on the surface to tilt downhill.
sciq
sciq_01_04266
Many countries have attempted to reduce the human impact on climate change by reducing their emission of what greenhouse gas?
[ "methane", "carbon dioxide", "nitrous oxide", "acid dioxide" ]
B
Efforts to control population growth led to the one-child policy in China, which used to include more severe consequences, but now imposes fines on urban couples who have more than one child. Due to the fact that some couples wish to have a male heir, many Chinese couples continue to have more than one child. The polic...
sciq
sciq_01_11260
How do cancer cells typically spread from one part of the body to another?
[ "bloodstream", "kidneys", "liver", "plasma" ]
A
Sometimes cancer cells break away from a tumor. If they enter the bloodstream, they are carried throughout the body. Then, the cells may start growing in other tissues. This is usually how cancer spreads from one part of the body to another. Once this happens, cancer is very hard to stop or control.
math_qa
mathqa_03_02023
the number 189 is equal to the sum of the cubes of two integers . what is the product of those integers ?
[ "8", "15", "20", "27" ]
C
"4 ^ 3 + 5 ^ 3 = 189 the number is 4 * 5 = 20 c"
medmcqa
medmcqa_05_03350
Parathormone is useful in which of the following?
[ "Hyperparathyroidism", "Paget's disease", "Osteoporosis", "Osteomalacia" ]
A
Histologically, patients presented with a broad range of bone turnover abnormalities as determined by activation frequency and bone formation rate/bone surface. Results of the five iPTH assays in each patient correlated but were significantly different. There were also significant differences between iPTH measurement...
medmcqa
medmcqa_05_00307
Gp deficiency is seen in -
[ "Glanzmann's thrombasthenia", "Bemard-Soulier syndrome", "Platelet storage pool disorders", "GPillb" ]
A
Answer is option 1 Glanzmann's thrombasthenia is an abnormality of the platelets. It is an extremely rare coagulopathy (bleeding disorder due to a blood abnormality), in which the platelets contain defective or low levels of glycoprotein IIb/IIIa (GpIIb/IIIa), which is a receptor for fibrinogen. As a result, no fibrino...
math_qa
mathqa_03_04309
at the faculty of aerospace engineering , 312 students study random - processing methods , 232 students study scramjet rocket engines and 114 students study them both . if every student in the faculty has to study one of the two subjects , how many students are there in the faculty of aerospace engineering ?
[ "438", "436", "430", "442" ]
C
312 + 232 - 114 ( since 112 is counted twice ) = 430 c is the answer
math_qa
mathqa_03_00121
out of 3 consecutive odd numbers 8 times the first number is equal to addition of thrice the third number and adding 5 to twice the second . what is the first number ?
[ "5", "6", "7", "8" ]
C
description : = > 8 x = 2 ( x + 2 ) + 5 + 3 ( x + 4 ) = > 3 x = 21 , x = 7 = > x + 4 = 11 x = 11 - 4 = 7 answer c
medmcqa
medmcqa_05_00877
For tuberculosis screening which test is done -
[ "Sputum microscopy", "Sputum culture", "Tuberculin test", "Lymph node biopsy" ]
C
Ans. is 'c' i.e., Tuberculin test "Tuberculin test is done with purified protein derivation (PPD)and impoant screening test for TB".Teste for tuberculosis screening are :-Tuberculin test (Mantoux test).Interferon-gamma release assay (e.g. Quantiferon TB assay).
sciq
sciq_01_07093
The atomic number defines the identity of what?
[ "atomic reaction", "periodic table", "element", "neutralized molecule" ]
C
The atomic number defines the identity of an element.
openbookqa
obqa_02_04702
Which of the following would be reason for animals to leave their environment?
[ "Hurricane", "Temperature", "Predators", "Illness" ]
A
natural disasters can cause animals to leave an environment
openbookqa
obqa_02_03682
A plant will get more light energy
[ "if it drinks power drinks", "if the trees cover it", "if it gets more rain", "if the leaves are bigger" ]
D
as the size of a leaf increases , the amount of sunlight absorbed by that leaf will increase
sciq
sciq_01_04804
What substances, which serve as catalysts, are involved in most of the chemical reactions that take place in organisms?
[ "enzymes", "vitamins", "carbohydrates", "proteins" ]
A
Enzymes are involved in most of the chemical reactions that take place in organisms.
medmcqa
medmcqa_05_00574
ATM mutation is seen in
[ "Ataxia telangiectasia", "Fragile X syndrome", "Joubert syndrome", "Spinocerebellar ataxia" ]
A
(A) Ataxia telangiectasia # Ataxia telangiectasia mutated (ATM) is a serine/threonine protein kinase that is recruited and activated by DNA double-strand breaks.> ATM phosphorylates several key proteins that initiate activation of the DNA damage checkpoint, leading to cell cycle arrest, DNA repair or apoptosis.> Severa...
openbookqa
obqa_02_04921
Items are all ultimately compromised of which?
[ "Cells", "Molecules", "Air", "Nerves" ]
B
matter is made of molecules
medmcqa
medmcqa_05_02143
Patient says, "I ate rice in the morning, fish lives in water". This is suggestive of :
[ "Loosening of association", "Flight of ideas", "Thought insertion", "Tangentiality" ]
A
There is loss of connection between individual thought components and speech is not meaningful, which is suggestive of a Formal thought disorder - Loosening of association.
openbookqa
obqa_02_02931
Which of the following relationships are true?
[ "lemons :: sound energy", "doorbells :: sound energy", "doorbells :: light energy", "lightbulbs :: sound energy" ]
B
a doorbell converts electrical energy into sound
ARC-Easy
arc_04_01330
The best example of heat transfer by convection is when
[ "sunlight warms soil.", "a ceiling fan blows air.", "flames heat up a pan.", "heat rises in a chimney." ]
D
null
openbookqa
obqa_02_00829
Adding force to a moving train will:
[ "cause it to travel further in the same time", "cause the structure to take up less space", "cause it to travel less distance in the same time", "increase the mass of the structure" ]
A
force causes the speed of an object to increase
sciq
sciq_01_05236
What is responsible for our sense of balance?
[ "our eyes", "our feet", "our limbs", "our ears" ]
D
The ears are also responsible for the sense of balance. Balance is the ability to sense and maintain body position. The semicircular canals inside the ear (see Figure above ) contain fluid that moves when the head changes position. Tiny hairs lining the semicircular canals sense movement of the fluid. In response, they...
ARC-Easy
arc_04_01313
What is the most reasonable explanation for why a toy car rolls farther on a wood floor than on a thick carpet?
[ "The car weighs more on the carpet.", "The car weighs more on the floor.", "The carpet has more resistance.", "The floor has more traction." ]
C
null
medmcqa
medmcqa_05_03800
Condyloma acuminatum is caused by -
[ "HSV", "HPV", "HIV", "VZV" ]
B
cindyloma accuminata is due to HPV 6&11 REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.553
openbookqa
obqa_02_03583
An example of combined substances could be
[ "diamonds", "tin", "cake", "water" ]
C
An example of combining two substances is pouring one substance into the other substance
sciq
sciq_01_06917
What helps control the muscles and maintain balance?
[ "nervous system", "circulatory system", "lymphatic system", "muscular system" ]
A
Staying balanced when riding a scooter requires control over the body’s muscles. The nervous system controls the muscles and maintains balance.
openbookqa
obqa_02_03994
A cypress tree's stout roots splitting asphalt is an example of
[ "cookie elves", "compacting", "weathering", "beer" ]
C
a plant 's roots slowly break down rocks as the roots grow
medmcqa
medmcqa_05_03344
Which method of contraception is not used in patient with active syphilis?
[ "IUCD", "Oral contraceptive pills", "Barrier devices", "Calendar method" ]
A
Ans. is 'a' i.e.,IUCDSyphilis is a sexually transmitted disease.Use of IUCD is strictly contraindicated in patient with active genital tract infection thus use of IUCD is contraindicated in in patient with active syphilis
openbookqa
obqa_02_01324
On a morning when the weather is clear, the sky is
[ "bright", "cloudy", "stormy", "dark" ]
A
clear weather means sunny weather
sciq
sciq_01_06476
Some membranes have what kind of surfaces exposed to the cytoplasm?
[ "bilayer", "hydrophobic", "obstructionary", "outer" ]
B
math_qa
mathqa_03_04554
of 70 players on a football team , 52 are throwers . the rest of the team is divided so one third are left - handed and the rest are right handed . assuming that all throwers are right handed , how many right - handed players are there total ?
[ "54", "59", "63", "64" ]
D
"total = 70 thrower = 52 rest = 70 - 52 = 18 left handed = 18 / 3 = 6 right handed = 12 if all thrower are right handed then total right handed is 52 + 12 = 64 so d . 64 is the right answer"
sciq
sciq_01_08719
What type of organism is used to produce alcoholic beverages and bread?
[ "insects", "larvae", "bacteria", "yeast" ]
D
openbookqa
obqa_02_01654
Which of the following would be an example of tool use in the animal kingdom?
[ "a wolf using its sense of smell to track down prey", "a crow displacing water with rocks to get good", "a giant whale filtering plankton from water", "An anteater using its long tongue to catch ants" ]
B
An example of using tools is a chimpanzee digging for insects with a stick
openbookqa
obqa_02_00545
Measuring is a way to collect data; what is an example of this?
[ "pouring water into a gallon jug to save for later", "pouring milk into a half cup to see how much is left", "making sure that a blanket is warm enough for the night", "noticing how long a cat's tail is" ]
B
An example of collecting data is measuring
medmcqa
medmcqa_05_04352
A 10-year-old girl presents with scalp pruritus for several weeks. Nits are visible on her hair. Which of the following treatment recommendations would you recommend?
[ "1% permethrin lotion, apply to clean, dry hair for 10 minutes, re-treat in 4 weeks", "1% permethrin lotion, apply to wet hair for 10 minutes, re-treat in 4 weeks", "1% permethrin lotion, apply to clean, dry hair for 10 minutes, re-treat in 1 week", "1% permethrin lotion, apply to wet hair for 10 minutes, re-...
C
Case of Pediculosis capitis - 1% permethrin lotion, apply to clean, dry hair for 10 minutes, re-treat in 1 week is t/t of choice. For pubic lice, the 5% permethrin lotion should be used
sciq
sciq_01_01679
What is the lowest level of organization that can perform all activities required for life?
[ "the cell", "nucleii", "tissues", "organs" ]
A
sciq
sciq_01_04970
Which leukocytes are first to respond to bacterial infections?
[ "chemocytes", "microcytes", "erythrocytes", "neutrophils" ]
D
18.4 Leukocytes and Platelets Leukocytes function in body defenses. They squeeze out of the walls of blood vessels through emigration or diapedesis, then may move through tissue fluid or become attached to various organs where they fight against pathogenic organisms, diseased cells, or other threats to health. Granular...
sciq
sciq_01_10658
Chains of small molecules called nucleotides make up what?
[ "nucleic acids", "proteins", "chromosomes", "peptides" ]
A
Nucleic acids consist of chains of small molecules called nucleotides, which are held together by covalent bonds. The structure of a nucleotide is shown in the Figure below . Each nucleotide consists of:.
sciq
sciq_01_01390
Deposition also occurs when a stream or river empties into a large body of what?
[ "homogeneous water", "even water", "still water", "calm water" ]
C
Deposition also occurs when a stream or river empties into a large body of still water. In this case, a delta forms. A delta is shaped like a triangle. It spreads out into the body of water. An example is pictured below ( Figure above ).
openbookqa
obqa_02_01760
A bear snacks on a tiny bird and the person watching this will know that the bear may be all aside from
[ "a herbivore", "an omnivore", "a carnivore", "a predator" ]
A
if an animal eats another animal then that animal is a carnivore or omnivore or predator
sciq
sciq_01_10729
Which continent is covered with an ice cap?
[ "antarctica", "asia", "greenland", "australia" ]
A
The continent of Antarctica is covered with an ice cap.
ARC-Easy
arc_04_00442
The formation of the Himalayan Mountains is one example of land features caused by compressive forces. Which action most likely led to the formation of these mountains?
[ "seafloor spreading", "strike-slip faulting", "colliding plates", "hot spots" ]
C
null
math_qa
mathqa_03_02091
a and b enter into a partnership . a contributed rs . 5000 for 8 months and b rs . 6000 for 5 months . find a ' s share in a total profit of rs . 8400 .
[ "rs . 4800", "rs . 2400", "rs . 3600", "rs . 5600" ]
A
explanation : ratio of capitals of a and b = ratio of their investments = 5000 × 8 : 6000 × 5 = 40000 : 30000 = 4 : 3 . : a ' s share = rs . [ ( 4 / 7 ) × 8400 ] = rs . 4800 answer : option a
sciq
sciq_01_02620
Increasing or decreasing the temperature of a system in what state acts as a stress to the system?
[ "liquid", "nitrogen", "equilibrium", "gaseous" ]
C
Increasing or decreasing the temperature of a system at equilibrium is also a stress to the system. The equation for the Haber-Bosch process is written again below, this time as a thermochemical equation.
math_qa
mathqa_03_00570
how many five - digit numbers that do not contain the digits 4 or 7 are there ?
[ "44648", "27844", "28642", "16864" ]
C
"we can have 7 digits ( 1 , 2,3 , 5,6 , 8,9 ) for the first place ( ten thousand ' s place ) . and similarly 8 digits for thousand ' s , hundred ' s , tenth ' s and unit digit . ( 0,1 , 2,3 , 5,6 , 8,9 ) so in total 7 * 8 * 8 * 8 * 8 = 28672 hence c"
openbookqa
obqa_02_04723
You find a furry creature walking around. What feature would also describe this animal?
[ "dead, cold-blooded, and scaly", "cold, cold-blooded, hungry, alive", "horned, warm-blooded, hungry, alive", "warm, warm-blooded, and also dead" ]
C
a mammal is warm-blooded
sciq
sciq_01_10728
What waves require a material medium such as water, air, or rope?
[ "electromagnetic", "mechanical", "light", "potential" ]
B
Water waves, sound waves, and the waves that travel along a rope are mechanical waves . Mechanical waves require a material medium such as water, air, or rope. Light waves, however, are electromagnetic waves and travel without a material medium. They are not mechanical waves.