id
string
dataset
string
question
string
options
list
answer
string
explanation
string
arc_easy_1182
arc_easy
Which of these geographic features most directly influences the climate of Nevada by limiting the amount of water vapor that can reach the state and fall as rain?
[ "Pacific Ocean", "Colorado River", "Sierra Nevada Mountains", "Columbia River Basin" ]
C
aquarat_13504
aquarat
what smallest no. should subtracted from 5000,so that remainder completely divisible from 19?
[ "A)3", "B)4", "C)5", "D)6" ]
A
if 5000 is divided by 19 then remainder is 3. no. should subtracted is 3. answer A
mmlu_aux_2139
mmlu_auxiliary
As a boy, Charles Robert Darwin collected anything that caught his interest: insects, coins and interesting stones. He was not very clever, but Darwin was good at doing the things that interested him. His father was a doctor, so Darwin was sent to Edinburgh to study medicine, and was planned to follow a medical career....
[ "make him like natural history", "make him become a doctor", "let him change his hobbies", "have him give up his collection" ]
B
null
mmlu_aux_2105
mmlu_auxiliary
Many people have wondered what makes the oceans rise and fall on the word's beaches twice a day. Those tides are caused by the force of the Moon's gravity and the rotation of the Earth. Gravity acts on the center of any solid object. The Earth is mostly molten rock, but compared to the oceans, we can think of it as a...
[ "Low-tide zones are near to high-tide zones.", "The oceans of the Earth are a whole body.", "High-tide zones are separated from low-tide zones.", "The Earth's surface is 4000 miles away from the Moon." ]
B
null
mmlu_aux_3029
mmlu_auxiliary
Few people realize that there is a big difference between formal English and informal English. Formal English is used for most writing, and often in public speaking and formal meetings. It pays close attention to grammar rules, because if we use proper grammar, our meaning is often more _ . Also, on important occasions...
[ "speaking at a formal meeting", "speaking in public", "speaking to our friends", "writing an application letter" ]
C
null
medmcqa_9994
medmcqa
Four A's of schizophrenia was described by: MP 09
[ "Ku Schneider", "Eugene Bleuler", "Karl Jaspers", "Emil Krapellin" ]
B
Ans. Eugene Bleuler
openbookqa_1177
openbookqa
What prohibits cells from contorting into deformed shapes?
[ "helpful viruses help them retain their function", "a prison cell wall contains them", "the thin membrane which surrounds them", "they have a Chilton's manual to guide them" ]
C
medmcqa_9480
medmcqa
Topical Mitomycin C is used for _________
[ "Endoscopic treatment of angiofibroma", "Treatment of skull base osteomyelitis", "Sturge Weber syndrome", "Treatment for laryngeal stenosis" ]
D
Topical application of Mitomycin C after endoscopic dilatation of laryngotracheal stenosis prevents restenosis. Mitomycin-C (MMC) inhibits fibroblast proliferation and synthesis of extracellular matrix proteins, and thereby modulates wound healing and scarring. Mitomycin C is an antibiotic isolated from Streptomyces ca...
medmcqa_5299
medmcqa
Pneumactocele is commnly found in case of-
[ "Pneumocystis jirovecii pneumonia", "Staphylococal pneumonia", "Klebsiella pneumonia", "Pseudomonas pneumonia" ]
A
Pneumocystis jirovecii pneumonia can present with progressive dyspnoea,dry cough & fever.Chest X ray shows bilateral interstitial infiltrate spreading out from hilar region.High resolution CT is more sensitive,showing typical 'ground-glass 'interstitial infiltrates.Pneumatocoeles can occur and may rupture,resulting in ...
qasc_7310
qasc
DNA does what to form the genetic material of a cell during cell division?
[ "condenses", "alleles", "Change colors", "reproduce" ]
A
medmcqa_1912
medmcqa
Adverse effect of clozapine:
[ "Hypeension", "Sialorrhea", "Extrapyramidal S/E", "Neuroleptic malignant syndrome" ]
B
B i.e. Sialorrhea
arc_easy_556
arc_easy
What keeps Mars in orbit around the Sun?
[ "friction", "gravity", "magnetism", "solar power" ]
B
mmlu_aux_2229
mmlu_auxiliary
A California family drives a car that could help protect the environment. When Jon and Sandy go to the store or to their daughters' soccer games, they drive in high-tech style. They drive a $1 million, fuel-cell-powered car. It may be the world's most expensive car and one of the most environmentally friendly cars. The...
[ "future cars will be environmentally friendly", "there will be no gasoline for cars", "people can't afford to buy cars in the future", "global warming has been stopped" ]
A
null
medmcqa_2407
medmcqa
EAC rosette formation is the property of one of the following type of immune cells -
[ "T cells", "B cells", "Macrophages", "All of the above" ]
A
Erythrocyte antibody complement rosetting (EAC-rosetting), occurs when the antibody in the presence of complement is bound to the surface of a red blood cell. The complement binds to the tail region (Fc region) of the antibody. Finally, T-cells with a complement receptor are added and the T-cells bind to the complement...
arc_easy_688
arc_easy
The action of turning off the water while brushing teeth is an example of
[ "recycling.", "adaptation.", "conservation.", "resourcefulness." ]
C
aquarat_17559
aquarat
If José reads at a constant rate of 2 pages every 6 minutes, how many seconds will it take him to read N pages?
[ "A)180", "B)2N", "C)5/2*N", "D)24N" ]
A
Jose would read 1 page in 6/2 min Jose would read N page in (6/2)*N min i.e. (6/2)*N*60 Seconds = 180N Seconds. Option A is the correct Answer.
arc_challenge_660
arc_challenge
Earthworms move randomly throughout topsoil. How do earthworms most likely affect the topsoil?
[ "by compacting the topsoil", "by decreasing the fertility of the topsoil", "by adding nutrients to the topsoil", "by removing the minerals from the topsoil" ]
C
aquarat_25825
aquarat
A honey bee flies for 10 seconds, from a daisy to a rose. It immediately continues to a poppy, flying for 6 additional seconds. The distance the bee passed, flying from the daisy to the rose is 6 meters longer than the distance it passed flying from the rose to the poppy. The bee flies to the poppy at 3 meters per seco...
[ "A)3", "B)5", "C)6", "D)8" ]
A
Let the speed be 's' and let the distance between rose and poppy be 'x' The problem boils down to: Rose to Poppy: s+3=x/6 ------- 1 Daisy to Rose: s=(x+6)/10------ 2 so from 1 we can re write x as x=6s+18 substitute the value of x in 2 gives us s=3 m/s A
mmlu_aux_8255
mmlu_auxiliary
If the pressure alters from a high pressure system, the most likely thing to occur next will be
[ "sunshine", "picnics", "sprinkling", "beaches opening" ]
C
null
medmcqa_7187
medmcqa
Rickety rosary seen in all except –
[ "Rickets", "Scurvy", "Chondrodystrophy", "Syphilis" ]
D
Rachitic (Rickety) rosary The prominent knobs of bone at costochondral junctions of rickets patient is known as rachitic rosary or beading of ribs. The knobs create the appearance of large beads under the skin of the rib cage, hence the name by analogy with the beads of a rosary. Differential diagnosis of enlargement...
aquarat_6948
aquarat
A number lock on a suitcase has 3 wheels each labelled with 10 digits from 0 to 9. If opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible?
[ "A)720", "B)760", "C)680", "D)780" ]
A
On first wheel there can be 10 digits. On the second wheel there will be one of the 9 digits and on the third wheel there will be 8 digits. Therefore, the number of numbers is 10 x 9 x 8 = 720 ANSWER:A
aquarat_39007
aquarat
If the sales tax reduced from 3 1/2 % to 3 1/3%, then what difference does it make to a person who purchases an article with market price of Rs. 9000 ?
[ "A)11", "B)13", "C)15", "D)18" ]
C
Required difference = [3 ½ % of Rs.9000] – [3 1/3 % of Rs.9000] = [(7/20-(10/3)]% of Rs.9000 =1/6 % of Rs.9000 = Rs. [(1/6)8(1/100)*9000] = Rs. 15. Answer is C.
aquarat_14180
aquarat
A certain collage has total of 450 seniors each majoring in exactly one of six subjects. A minimum of 20 seniors major in each six subjects. If three quarter of the seniors major in one of four subjects, what is the greatest possible number of seniors majoring in one of the other two subjects?
[ "A)130", "B)80", "C)75", "D)60" ]
A
Answer is A. Six majors are as follows: a + b + c + d + e + f Each has at least 20 seniors: 20 + 20 + 20 + 20 + 20 + 20 4 of the majors have 300 seniors: a + b + c +d = 300 There are a total of 450 seniors. So e + f = 150. One of the subjects has to be 20 for the other to be maximized. If e = 20, then f = 130. A
aquarat_6867
aquarat
If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels?
[ "A)1/3", "B)1/2", "C)1/6", "D)1/8" ]
C
Explanation : P(first letter is not vowel)=2/4P(second letter is not vowel)=1/3So,probability that none of letters would be vowels is =(2/4)x(1/3)=1/6 Answer : C
mmlu_aux_3716
mmlu_auxiliary
We do not know exactly how many whales there are in the sea because we can't count them. But we believe at the beginning of the eighteenth century there were 105,000 humpback whales and 120,000 right whales. At the beginning of the twentieth century there were 75,000 humpbacks and 80,000 rights. Since 1900 their number...
[ "the number of humpback whales", "the number of right whales", "hunting whales", "the necessity of protecting whales" ]
D
null
aquarat_33729
aquarat
A trader marks his books 40% more than the cost price. If he allows 40% discount, then find his gain or loss percent?
[ "A)2% profit", "B)16% loss", "C)4% loss", "D)No profit No loss" ]
B
Let CP of an book = 100 MP of an book = 140 Discount 40 % on 140 = 56 SP of the book = 140 - 56 = 84 loss = 16% Answer : B
qasc_2599
qasc
Why can amphibians easily absorb toxins?
[ "salamanders", "permeable skin", "hydrate their cells", "it needs them" ]
B
aquarat_13947
aquarat
The average of four consecutive even numbers is 27. Find the largest of these numbers.
[ "A)28", "B)30", "C)32", "D)34" ]
B
Given: Consider the consecutive even numbers as : x, (x + 2), (x + 4) and (x+ 6) Average = Sum of Quantities/Number of Quantities = [x + (x + 2) + (x + 4) + (x + 6)] /4= (4x + 12) /4 = 27 Simplifying we get, x = 24 Therefore, Largest number = (x + 6) = (24 + 6) = 30 Smallest number = 24 ANSWER IS B
aquarat_33842
aquarat
A vendor bought dog for Rs. 1, and a cat for Rs. 1.20, a pig for Rs.1.34, He totally purchased 100 animals for 100 Rs. Then find no of cats.
[ "A)10", "B)12", "C)14", "D)15" ]
A
50 - pigs 10 - cats ANSWER:A
pubmedqa_671
pubmedqa
Can mandibular depiction be improved by changing the thickness of double-oblique computed tomography images?
[ "yes", "no", "maybe" ]
B
qasc_3622
qasc
What causes days to change?
[ "Space travel", "recovery time from fatigue", "Earth orbiting the Sun", "sunlight" ]
C
aquarat_10168
aquarat
If A:B = 1/3: 1/2 B:C = 1/3:1/2 then A:B:C?
[ "A)4:6:9", "B)6:6:9", "C)7:6:9", "D)6:8:9" ]
A
A:B = 1/3:1/2 = 2:3 B:C = 1/3:1/2 = 2:3 -------------------- A:B:C = 4:6:9 Answer: A
aquarat_14843
aquarat
Calculate the average of all the numbers between 18 and 57 which are divisible by 7.
[ "A)36.9", "B)38.5", "C)18.5", "D)32.5" ]
B
Explanation: numbers divisible by 7 are 21,28,35,42,49,56, Average = (21+28+35+42+49+56,) / 6 = 231/6 = 38.5 ANSWER: B
medmcqa_5814
medmcqa
Dystrophic calcification means-
[ "Calcification in destroyed tissue with normal calcium level in blood", "t level of Ca++ deposits", "Calcification in normal tissue seen in hyperparathyroidism", "Calcification in destroyed tissues with hyper calcemia" ]
A
Amyloidosis is the extracellular deposition of insoluble protein fibrils. AL- Primary systemic amyloidosis AA- Secondary amyloidosis AF- Familial Aβ2M- In ESRD Diagnosed by abdominal fat pad aspiration showing apple green birefringence by polarized light microscopy with Congo red stain High ESR, High ALP Serum Immunofi...
aquarat_14919
aquarat
A tank is filled in eight hours by three pipes A, B and C. Pipe A is twice as fast as pipe B, and B is twice as fast as C. How much time will pipe B alone take to fill the tank?
[ "A)16 hours", "B)28 hours", "C)18 hours", "D)19 hours" ]
B
1/A + 1/B + 1/C = 1/8 (Given) Also given that A = 2B and B = 2C => 1/2B + 1/B + 2/B = 1/8 => (1 + 2 + 4)/2B = 1/8 => 2B/7 = 8 => B = 28 hours. Answer:B
aquarat_9013
aquarat
42.11 + 356.032 + 42.98 = ?
[ "A)441.122", "B)422.243", "C)440.183", "D)622.443" ]
A
Explanation : 42.11 + 356.032 + 42.98 = 441.122. Answer : Option A
medmcqa_1197
medmcqa
Regarding Fanconi anemia, the wrong statement is:
[ "Autosomal dominant", "Bone marrow show pancytopenia", "Usually aplastic anemia", "It is due to defective DNA repair" ]
A
Fanconi's anemia is an autosomal recessive disease Characterized:- Progressive pancytopenia Increased risk of malignancy (solid tumors and AML) Congenital developmental anomalies like sho stature, cafe au lait spots, abnormalities affecting thumb, radius and genitourinary tract. Fanconi's anemia is associated with BRCA...
qasc_1417
qasc
This process is always more complex in eukaryotes than prokaryotes
[ "eukaryotic infection", "mitosis", "kinetic", "movement" ]
B
arc_challenge_196
arc_challenge
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
qasc_1627
qasc
What has a primary and a secondary meristem?
[ "ferns", "bushes", "trees", "plants" ]
C
openbookqa_2177
openbookqa
What is the most likely cause of split rocks on a mountain slope?
[ "pine tree roots", "true enlightenment", "sea urchins", "heavy metal music" ]
A
mmlu_aux_3205
mmlu_auxiliary
You must have seen an oil lamp before. But do you know how it works? One end of the lamp wick is immersed(............) in oil and the other end is not immersed. When you light the end which is not immersed, it will burst into flame . This is because the oil is able to rise up the lamp wick thus helping it to burn....
[ "oil", "water", "chalk", "paper" ]
D
null
qasc_5866
qasc
What enables natural selection to occur?
[ "environment", "mutations", "competition", "relocation" ]
B
mmlu_aux_2033
mmlu_auxiliary
Every year landslides {} cause 25 to 50 deaths and $1.5 billion in damage in the United States.They account for 15 percent of the deaths from natural disasters in Europe.And in December, a single event killed more than 200 people in the Philippines.Sending workers to stabilize mountainsides using steel bars and cemen...
[ "A human being.", "A spider.", "A truck.", "A drill." ]
B
null
mmlu_aux_3814
mmlu_auxiliary
The secret of carrier pigeons' unbelievable ability to find their way home has been discovered by scientists: _ follow the roads just like we do. Scientists now believe the phrase "as the crow flies" no longer means the shortest most direct route between two points. They say it is likely that crows and other day bird...
[ "by global positioning satellite", "by the sun", "by the road system", "by following other birds" ]
B
null
aquarat_21103
aquarat
A person walking at 10 Kmph reaches his office 10 minutes late. If he walks at 15 Kmph, he reaches there 10 minutes earlier. How far is the office from his house?
[ "A)5km", "B)15km", "C)8km", "D)10km" ]
D
Formula = S1*S2/S2-S1 * T1+T2/60 = 10*15/5 * 20/60 = 30 * 20/60 = 10 km Answer is D
qasc_5273
qasc
Which of the following uses energy that comes from body heat?
[ "kinetic energy", "evaporation of perspiration", "kinetic friction", "evaporation of snow" ]
B
mmlu_aux_3138
mmlu_auxiliary
Where do dogs come from? Gray wolves are their ancestors. Scientists are pretty consistent about that. And researchers have suggested that dogs' origins can date back to Europe, the Near East, Siberia and South China. Central Asia is the newest and best candidate, according to a large study of dogs from around the worl...
[ "found the study based on many different dogs and the sample dogs' remote locations", "saw the number of street dogs from fossilized bones", "watched the geographic breadth of the sampled dogs", "praised his teammates for their hard work on the dogs" ]
A
null
mmlu_aux_2534
mmlu_auxiliary
Millions of years ago dinosaurs lived on the earth. In the days of dinosaurs the whole earth was warm and wet. There were green forests and they could find enough to eat. Later, parts of the earth became cold and dry. and the forests there died. Then dinosaurs could not find enough to cat. This must be one reason why...
[ "for millions of years", "millions of years ago", "more than 100 millions years ago", "when it was warm and wet somewhere" ]
B
null
arc_easy_1661
arc_easy
Which tool is used to measure the volume of a liquid?
[ "balance", "ruler", "thermometer", "graduated cylinder" ]
D
pubmedqa_804
pubmedqa
Impact of MPH programs: contributing to health system strengthening in low- and middle-income countries?
[ "yes", "no", "maybe" ]
A
aquarat_21008
aquarat
If x and y are integers such that x^2-2x+2y+4=2x^2-3x+y-2, we can deduce that y is
[ "A)not an even", "B)an even", "C)a perfect square", "D)an odd" ]
B
x^2 - 2x + 2y + 4 = 2x^2 - 3x + y - 2 y = x^2 - x - 6 y = (x-3)(x+2) (Note that one factor is even and one factor is odd.) Then y must be even. The answer is B.
mmlu_aux_2846
mmlu_auxiliary
William Henry Bragg was born at Westward,Cumberland,on July 2,1862.He was educated at Market Harboroagh Grammar School and afterwards at King William's College,Isle of Man.Elected as a minor scholar of Trinity College,Cambridge,in 1881,he studied mathematics under the wellknown teacher,Dr E.J.Routh.He studied physics i...
[ "mathematics", "physics", "medicine", "sports" ]
C
null
mmlu_aux_2417
mmlu_auxiliary
Butterflies are some of the most fascinating and beautiful insects in the world. Adult butterflies will live about 2 to 4 weeks. They use their senses of sight, touch, hearing, smell, and taste to survive in the world, find food and mates, lay eggs in an appropriate place, migrate, and avoid hungry enemies. Butterflies...
[ "butterflies' living habits", "butterflies' beauty", "butterflies' daily activities", "butterflies' senses" ]
D
null
aquarat_32522
aquarat
Which of these must the factor G of the product of four consecutive even integers:- 1) 48 2) 64 3) 96 4) 192 5) 80
[ "A)1,2 only", "B)G=2,3 only", "C)G=1,2,3 only", "D)G=1,2,3,4 only" ]
D
Let the four variables be a< b< c< d. Assume a worst case scenario where the a equal to a prime number (hence odd). therefore a = divisible by 1 b = a + 1 (divisible by 2) c = a + 3 (divisible by 3) d = a + 4 (divisible by 4) therefore each answer choice must be divisible by 2 x 3 x 4 = 24 only 80 is not divisible. The...
aquarat_7162
aquarat
If f(x) = x - 4, then (f o f)(3) = ?
[ "A)-5", "B)-4", "C)-6", "D)-3" ]
A
(f o f)(3) = f(f(3)) = f(3 - 4) = f(-1) = - 5 correct answer A
arc_easy_505
arc_easy
Which statement is a description of weather?
[ "Summers in Tucson are hot and dry.", "Winters in Flagstaff are cold and snowy.", "The temperature is 55° F in Winslow today.", "The Sun will set in Yuma today at 6:45 p.m." ]
C
medmcqa_1262
medmcqa
A 60 yr old person presents with a mass located at central bronchus causing distal bronchiectasis and recurrent pneumonia. Which of the following findings is expected from biopsy of the mass?
[ "Abundant osteoid matrix formation", "Contains all three germ layers", "Spindle cells with abundant stromal matrix", "Small round cells and hyperchromatic nuclei with nuclear moulding" ]
D
Ans. (d) Small round cells and hyperchromatic nuclei with nuclear moulding(Ref: Robbins 9th/pg 715-717)This typical presentation of 60 yr/M presenting with a mass located at central bronchus causing distal bronchiectasis and recurrent pneumonia is suggestive of small cell Carcinoma.In Small cell Ca lung, location in lu...
aquarat_941
aquarat
On dividing a certain number by 5, 7 and 8 successively, the remainders obtained are 2, 3 and 4 respectively. When the order of division is reversed and the number is successively divided by 8, 7 and 5, the respective remainders T will be:[/b]
[ "A)3, 3, 2", "B)3, 4, 2", "C)5, 4, 3", "D)T=5, 5, 2" ]
D
Let the original number be X. Then by the successive dividing we have followings : X=5A+2 A=7B+3 B=8C+4. So we have A=7*(8C+4)+3=7*8C+31, and X=5*(7*8C + 31)+2 = 5*7*8C + 157. Now by dividing X by 8, 7, 5 successively we have followings : X=8*(5*7C+19)+5 5*7C+19=7*(5C+2) + 5 5C+2=5C+2. The remainders are, therefore, 5,...
openbookqa_33
openbookqa
with which could you tell the exact size of an object?
[ "a plain stick with irregular shape", "a plastic tape with graduated markings", "a thermometer with mercury in it", "a metal cooking spoon" ]
B
mmlu_aux_2508
mmlu_auxiliary
Elephants are able to differentiate between ethnicities and sexes, and can tell an adult from a child --- all from the sound of a human voice. This is according to a study in which researchers played voice recordings to wild African elephants. The animals showed more fear when they heard the voices of adult Masai men....
[ "By observing the elephants in the zoo.", "By playing voice recordings to them.", "By recording the behaviours of elephants.", "By communicating with them in a special way." ]
B
null
medmcqa_7572
medmcqa
A patient with recent onset primary generalized epilepsy, develops drug reaction and skin rash and neutropenia due to phenytoin sodium. The most appropriate course of action is:
[ "Shift to sodium valproate", "Shift to clonazepam", "Shift to ethosuximide", "Restart phenytoin after 2 weeks" ]
A
(Ref: Katzung, 14th ed. pg. 418-19; KDT 6th ed. pg. 405)Hypersensitivity reactions like rashes, DLE, lymphadenopathy and neutropenia require that phenytoin to be stopped.
mmlu_aux_3301
mmlu_auxiliary
Americans love dogs, all types of dogs: small dogs, big dogs, lapdogs . Each year, people spend billions of dollars on their four-legged pals, making sure the lovable dogs have enough food to eat and lots of toys to play with. Dogs love people, too. They lick their faces, protect their homes. Where did these four-legg...
[ "Why Cats Don't Like Dogs", "Barking up the Wrong Tree", "Love Me, Love My Dog", "Going from Wolf to Dog" ]
A
null
medmcqa_7857
medmcqa
Life span of mosquito is?
[ "1 week", "2 weeks", "1 month", "1 year" ]
B
Under orable conditions of temperature and food supply, the life cycle from the egg to adult is complete in 7-10 days. Normally the adult mosquito lives for about 2 weeks. The males are generally sho-lived Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg
qasc_4436
qasc
insulated material can be used to prevent wasting a lot of what?
[ "sunny days", "body heat", "body water", "heat energy" ]
B
aquarat_8046
aquarat
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
[ "A)10 years", "B)12 years", "C)14 years", "D)16 years" ]
A
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years. (2x + 2) + 2x + x = 27 5x = 25 x = 5. Hence, B's age = 2x = 10 years. A)
aquarat_36331
aquarat
A retail store sells higher end dresses for $40 each and lower end dresses for $20 each. On every higher end dress the retail store makes a profit of $4 while on every lower end dress it makes a profit of $1. If on a given day the store's sales amounted to $400, which of the following cannot be the profit made on that ...
[ "A)$26", "B)$27", "C)$30", "D)$34" ]
B
$27 is the only option that does not fit into a combination of higher end and lower end sales profits, given the total sales of the day. Answer: B
openbookqa_1071
openbookqa
A granite counter top
[ "will always cost more than a mountain", "should be cleaned with mineral water", "is only found in a kitchen", "is made of minerals" ]
D
arc_easy_1752
arc_easy
Which are the best tools to use for growing and studying bacterial cultures?
[ "beakers", "Petri dishes", "microscopes", "graduated cylinders" ]
B
mmlu_aux_4869
mmlu_auxiliary
Do you know why different animals or pests have their special colors? Colors in them seem to be mainly used to protect themselves. Some birds like eating locusts , but birds cannot easily catch them. Why? It is because locusts change their colors with the change of the colors of crops. When crops are green, locusts lo...
[ "The colors of the seasons", "Animals on the land and in the sea", "The main use of colors for animals and pests", "How to keep safe in the sea" ]
C
null
medmcqa_9383
medmcqa
Which of the following is a ground substance of pulp
[ "Glycosaminoglycans", "Chondroitin sulfate", "Proteoglycans", "All of the above" ]
D
pubmedqa_207
pubmedqa
Can medical students contribute to quality assurance programmes in day surgery?
[ "yes", "no", "maybe" ]
A
medmcqa_4333
medmcqa
Ca 125 is used for ?-
[ "Follow up of ovarian cancer", "Diagnosis of pancreatic cancer", "Diagnosis of stomach cancer", "Diagnosis of ovarian cancer" ]
A
Harshmohan textbook of pathology 7th edition. CA 125 is a tumor marker of ovarian cancer. Most commonly used for follow up of ovarian cancer. pancreas tumor marker CA 19-9..
arc_easy_54
arc_easy
Which is the greatest impact humans have had on the carbon cycle?
[ "clear-cutting forests", "manufacturing plastics", "burning fossil fuels", "growing agricultural crops" ]
C
aquarat_48397
aquarat
Factor | Percent of Respondents | User-friendly | 56% | Fast response time | 48% | Bargain prices | 42% | The table gives three factors to be considered when choosing an Internet service provider and the percent of the 1,500 respondents to a survey who cited that factor as important. If 30 percent of the respondents ci...
[ "A)312", "B)336", "C)360", "D)390" ]
D
The way I looked at is is as follows: UserFriendly(UF) + FastResponse (FR) = 30% UF leftover = 56 - 30 = 26% FR leftover = 48 - 30 = 18% Sum these = 74% (ie. 74% were either UF+FR, UF, FR) 26% leftover is the maximum number for Bargain Price 26/100 * 1500 = 26 * 15 = 390 (D).
arc_challenge_950
arc_challenge
Forests have been cut and burned so that the land can be used to raise crops. Which consequence does this activity have on the atmosphere of Earth?
[ "It reduces the amount of carbon dioxide production.", "It reduces the production of oxygen.", "It decreases the greenhouse effect.", "It decreases pollutants in the air." ]
B
aquarat_26824
aquarat
The ratio of three numbers is 1:3:4 and the sum of their squares is 2600. The sum of the numbers is?
[ "A)A)10", "B)B)12", "C)C)15", "D)D)14" ]
A
Let the numbers be x,3x,4x then, x^2+9x^2+16x^2 = 2600 26x^2 = 2600 x^2 = 100 x=10 Answer is A
arc_easy_856
arc_easy
Mitochondria are cell organelles that play a large role in energy processes within the body. Which cells are most likely to have a greater amount of mitochondria?
[ "skin", "bone", "blood", "muscle" ]
D
qasc_1681
qasc
Heat can change something that has how many states?
[ "seasons", "two", "Energy.", "three" ]
D
pubmedqa_911
pubmedqa
Is there a differential in the dental health of new recruits to the British Armed Forces?
[ "yes", "no", "maybe" ]
A
aquarat_9521
aquarat
If a 3-member subcommittee is to be formed from a certain 9-member committee, how many different such subcommittee are possible?
[ "A)6", "B)18", "C)20", "D)84" ]
D
Another way: 1st member can be selected in 9 ways 2nd can be selected in 8 ways 3rd can be selected in 7 ways So total ways : 504 But to avoid the similar scenarios 504/3!=84 D
medmcqa_8592
medmcqa
Which of the following medications essential for ameliorating the toxicity of pemetrexed:
[ "Folinic acid and vitamin B6", "Folic acid and vitamin B12", "Vitamin 136 and Vitamin B1,", "Folic acid and dexamethasone" ]
A
Ans. b. Folic acid and vitamin B12 Pemetrexed Toxicity Pemetrexed toxicity mirrors that of methotrexate, with the additional feature of a prominent erythematous and pruritic rash in 40% of patientsQ. Dexamethasone, 4 mg twice daily on days -1, 0 and +1, markedly diminishes this toxicity. Unpredictably, severe myelosupp...
medmcqa_2761
medmcqa
The ureteric bud develops from ?
[ "mesonephric duct", "metanephric duct", "pronephric duct", "genital sinus" ]
A
Development of kidneys - The definative human kidney arises from two distinct sources, 1). The secretory pa , I.e., excretory tubules or (nephrons) are derived from the lowest pa of the nephrogenic cord this pa is the metanephros, the cells of which form the metanephric blastema 2). The collecting pa of the kidney is d...
medmcqa_6077
medmcqa
a patient of age 65 years , who is obesity of bmi >40 , known diabetic and hypeensive .patient complaints of breathlessness , excessive sleeping during morning time with headache and with mood swings, what is drug that helps in resolving the symptoms ?
[ "salbutamol", "amoxitine", "phenylephrine", "modafinil" ]
D
OSA-obstructive sleep apnea #Pathophysiology of OSA Tissue laxity and redundant mucosa Normal Anatomic abnormalities * Decreased muscle tone with REM sleep """&;"&;n * Airway collars, * Desaturation ( 02 ) * Arousal with restoration of airway * Sleep Fragmentation leading to Hypersomnoien, * Clinical features of Obstru...
medmcqa_2385
medmcqa
Autism is characterised by all EXCEPT
[ "Motor abnormalities", "Less eye contact", "High intelligence", "Unusual gestures" ]
C
(C) High intelligence # AUTISM is a neurodevelopmental disorder characterized by impaired social interaction, verbal and non-verbal communication, and by restricted and repetitive behavior.> Autistic infants show less attention to social stimuli, smile and look at others less often, and respond less to their own name.>...
aquarat_19485
aquarat
Cathy and Jim begin running at the same time and they start at the same place on a straight path. Cathy runs at 10 miles per hour, and Jim runs at 6 miles per hour. After 18 minutes, Cathy stops to stretch. If it takes Cathy 27 minutes to stretch and Jim continues to run during this time, how many minutes will it take ...
[ "A)20.5", "B)21.5", "C)22.5", "D)23.5" ]
C
In 18 minutes, Cathy runs 3 miles. In 45 minutes, Jim runs 4.5 miles. Cathy can catch Jim at a rate of 4 miles per hour. Since Jim is ahead by 1.5 miles, it will take Cathy 1.5 / 4 hours = 22.5 minutes to catch Jim. The answer is C.
medmcqa_8998
medmcqa
A 60-year-old man is in a car crash in which he is the driver. He did not have a seat belt or an airbag. He is found to have multiple rib fractures over his right chest. His pulse is weaker during inspiration. What are the most likely diagnoses?
[ "Flail chest", "Empyema", "Diaphragm rupture", "Cervical rib" ]
A
Flail chest should be suspected in multiple rib fractures where the individual rib is divided in two places. Paradoxical movement results in lung compression as the flail segment moves inward during inspiration.
arc_easy_1433
arc_easy
Which of these makes it possible for hurricanes to form?
[ "water depth", "water clarity", "water salinity", "water temperature" ]
D
qasc_4434
qasc
What can be used to keep warm?
[ "hair", "eating steak", "wool", "fibers" ]
C
aquarat_43610
aquarat
The ratio of investments of two partners P and Q is 7:5 and the ratio of their profits is 7:10. If P invested the money for 2 months, find for how much time did Q invest the money?
[ "A)8", "B)10", "C)18", "D)4" ]
D
7*5: 2*x = 7:10 x = 4 Answer:4 Answer is D
aquarat_33264
aquarat
Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:
[ "A)15", "B)16", "C)18", "D)25" ]
B
Work done by Sakshi in 1 day = 1/20 Since Tanya is 25% efficient than Sakshi, she completes 25% more work in a day than Sakshi. => Tanya's 1 day work = 120 + 120 * 25100 = 116 So time taken by Tanya to finish the work = 16 days answer B
medmcqa_1263
medmcqa
patient has decreased weight, need for thinness, the diagnosis is
[ "refeeding syndrome", "anorexia nervosa", "metabolic syndrome", "bulimia nervosa" ]
B
Anorexia nervosa Anorexia nervosa is a eating disorder where the patient has decreased weight and altered body image and persistent desire to maintain thinness * Gender==== more common in females * Age=======adolescence * Comorbidity=== depression and social phobia * Duration====3 months * Criteria= * Intense fear of b...
mmlu_aux_1914
mmlu_auxiliary
In spring, you may have seen white foam on a green tree or other plants. As a matter of fact, the foam is where young spittlebugs live. These insects are protected by the foam, and they usually don't do much harm to the plants. As we all know, in late summer, a mother spittlebug lays her eggs on the plant. The babies...
[ "does much harm to the plant", "protects the plant from being harmed", "is where a mother spittlebug is living", "is plant juice mixed with spittlebugs' waste and the air" ]
D
null
medmcqa_7180
medmcqa
All of the following are true about fibrolamellar carcinoma of the liver except:
[ "More common in females", "Better prognosis than HCC", "AFP levels always greater than 1000", "Occur in younger individuals" ]
C
It is AFP-negative, but patients typically have elevated neurotensin levels, normal liver function tests, and no cirrhosis. Ref: Harrison's Internal Medicine, 14th Edition, Page 580, 15th Edition, Page 590 and 18th Edition, Pages 784-785; Concise Pathology, 2nd Edition By Para Chandrasoma, Clive Roy Taylor, Page 650.
aquarat_30935
aquarat
How many 4 digit number contain number 2 ?
[ "A)3168", "B)3268", "C)3368", "D)3468" ]
A
total 4 digit no. = 9*10*10*10 = 9000 not containing 2 = 8*9*9*9 = 5832 total 4 digit number contain 2 = 9000 - 5832 = 3168 ANSWER:A
medmcqa_9509
medmcqa
True about choledochal cyst is -
[ "Always extrahepatic T/t", "T/t is cystojejunostomy", "Excision is ideal t/t", "Drainage is t/t of choice" ]
C
qasc_1086
qasc
What kind of matter can produce sound?
[ "sensory neurons", "all matter", "an object", "only liquids" ]
B
mmlu_aux_4758
mmlu_auxiliary
Have you ever wondered? 1. Why do airplanes take longer to fly west than east? It can take five hours to go west-east from New York (NY) to London but seven hours to travel east-west from London to NY. The reason for the difference is an atmospheric phenomenon known as the jet stream. The jet stream is a very high ...
[ "buildings and other structures would float away", "trees and buildings would not so easily fly off", "something around your head would not float away", "everything outside buildings would fly off into space" ]
B
null
aquarat_31491
aquarat
An archer is shooting arrows from various distances. She shoots at a target from 30 yards, 40 yards, and 50 yards. The probability that she hits within the bullseye from 30 yards is 5/6, the probability that she hits within the bullseye from 40 yards is 4/5, and the probability that she hits within the bullseye from 50...
[ "A)104/105", "B)119/120", "C)139/140", "D)9/10" ]
B
The probability that she hits the bullseye at least once = 1 - (the probability that she misses the bullseye every shot) The probability that she misses all shots = (prob that she misses from 30 yards)*(prob that she misses from 40 yards)*(prob that she misses from 50 yards) Prob that she misses from 30 yards = 1 - 5/6...
medmcqa_991
medmcqa
A volunteer Ram will receive a new drug in a phase I clinical trial. The clearance and the volume of distribution of the drug in Ram are 1.386 I/hr and 80 L respectively. The half life of the drug in him would be approximately:
[ "83 hr", "77 hr", "40 hr", "0.02 hr" ]
C