id
string
dataset
string
question
string
options
list
answer
string
explanation
string
arc_easy_1670
arc_easy
During a presentation on astronomy, Professor Williams discussed various measurements in space. Which objects was she referring to when she talked about how astronomical units (AU) were determined?
[ "the Sun and Earth", "the Moon and Earth", "the inner and outer planets", "the Sun and the closest star" ]
A
qasc_3209
qasc
what is a tape measure used to measure?
[ "mass", "meters", "size", "gravity" ]
B
aquarat_19109
aquarat
The average of first six prime numbers which are between 40 and 80 is
[ "A)35.4", "B)50.7", "C)45.7", "D)57" ]
B
Explanation : first six prime numbers which are between 40 and 80 = 41, 43, 47, 53, 59, 61 average = (41 + 43 + 47 + 53 + 59 + 61)/6 = 50.7 Answer : B
aquarat_13744
aquarat
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good?
[ "A)125/129", "B)125/122", "C)125/126", "D)125/121" ]
C
Required probability = 1 - 1/126 = 125/126 Answer: C
medmcqa_4498
medmcqa
Replacement of etonogestrel implant(Implanon) is normally done after how many years?
[ "2 years", "3 years", "4 years", "5 years" ]
B
Implanon is a single rod subdermal implant with 68 mg of the progestin etonogestrel (ENG), and an ethylene vinyl acetate copolymer cover. It can be used as contraception for 3 years and then replaced at the same site or opposite arm. It is placed in the medial surface of the upper arm 6 to 8 cm from the elbow in the bi...
medmcqa_4705
medmcqa
All are features of Lobar pneumonia except
[ "Homogeneous consolidation", "Air bronchogram sign present", "Segmental consolidation", "Typical of pneumococcal infection" ]
C
Consolidation in Lobar pneumonia in Non - segmental.
arc_challenge_853
arc_challenge
In early 2003, the Human Genome Project identified the sequence of base pairs in the genes in human DNA. With all of this information, many of the functions of the genes are still unknown. Currently, scientists are studying many of these genes in order to learn more about them. What is the significance of this new gene...
[ "It can provide new methods for creating diseases.", "It can lead to faster chromosome replication.", "It can lead to a simpler structure for DNA.", "It can provide new ways to treat diseases." ]
D
mmlu_aux_3929
mmlu_auxiliary
The ISS project is a partnership of five - the US, Russia, Europe, Japan and Canada. At the moment, no program for its use nor any money has been put in place to support the platform beyond 2015. One of the biggest issues stopping an agreement on station-life extension is the human spaceflight examination ordered by U...
[ "In a story book", "In a handbook", "In an advertisement", "In a newspaper" ]
D
null
arc_easy_1173
arc_easy
Sodium (Na) and chlorine (Cl) combine to form sodium chloride (NaCl), which is commonly known as
[ "soap.", "vinegar.", "table salt.", "baking soda." ]
C
aquarat_31272
aquarat
The digital sum of a number is the sum of its digits. For how many of the positive integers 24-140 inclusive is the digital sum a multiple of 7?
[ "A)7", "B)8", "C)14", "D)15" ]
D
is there other way than just listing? 25 34 43 52 59 61 68 70 77 86 95 106 115 124 133 15 ways.. D
mmlu_aux_3984
mmlu_auxiliary
The red crab lives on Christmas Island in the Indian Ocean and has been found nowhere else in the world. But on its homeland it is a very significant species -- some 120 million individuals cover the rain forest floor and play a major role in determining the structure of the ecosystem. These large crabs are active du...
[ "it's gradually dying out", "it's not found anywhere else", "it's well protected by the local people", "its huge population affects its native ecosystem" ]
D
null
mmlu_aux_5303
mmlu_auxiliary
Do you know Fei Junlong and Nie Haisheng? Fei Junlong was born in 1965. He is a Chinese astronaut selected as a member of the Shenzhou program. He was born in Jiangsu and joined the People's Liberation Army Air Force in 1982 at the age of 17. And since then he has only returned home six times. As a fighter pilot , he w...
[ "Three times.", "Four times.", "Six times.", "Eight times." ]
C
null
medmcqa_3397
medmcqa
Fastest acting antithyroid drugs ?
[ "Iodides of Na/ K", "Propylthiuracil", "Methimazole", "Nitrates" ]
A
Ans. is 'a' i.e., Iodides of Na Iodine and Iodides Iodine is the fastest acting thyroid inhibitor Most impoant action is inhibition of hormone release (thyroid constipation); but all facets of thyroid synthesis may be affected. Excess iodide inhibits its own transpo in thyroid cells and may alter the redox potential of...
medmcqa_2858
medmcqa
Which one of the following surgical procedures is considered to have a clean-contaminated wound ?
[ "Elective open cholecystectomy for cholelithiasis", "Herniorrhaphy with mesh repair", "Herniorrhaphy with mesh repair", "Appendectomy with walled off abscess" ]
A
Ans. is 'a' i.e., Elective open cholecystectomy for cholelithiasis
medmcqa_2364
medmcqa
All can cause peripheral neuropathy except
[ "Uraemia", "HIV", "Chronic liver disease", "Hypothyroidism" ]
D
All other options are commonly associated with peripheral neuropathy except hypothyroidism
aquarat_32710
aquarat
Salesperson A's compensation for any week is $350 plus 6 percent of the portion of A's total sales above $1,000 for that week. Salesperson B's compensation for any week is 8 percent of A's total sales for that week. For what amount of total weekly sales would both salepeople earn the same compensation?
[ "A)$21,000", "B)$18,000", "C)$15,000", "D)$ 14,500" ]
D
sometime, setting up an equation is an easy way to go with: 350 + 0.06 (x - 1000) = 0.08 x x = 14,500 Ans : D
mmlu_aux_1952
mmlu_auxiliary
Their cheery song brightens many a winter's day. But robins are in danger of wearing themselves out by singing too much. Robins are singing all nightas well as during the day, British-based researchers say. David Dominoni, of Glasgow University, said that light from street lamps, takeaway signs and homes is affecting t...
[ "Because there are fewer dangers.", "Because there is more food to eat.", "Because there is less light pollution", "Because there are more places to take shelter." ]
A
null
medmcqa_7499
medmcqa
Digoxin acts by inhibiting:
[ "Na K ATPase", "Ca channel", "K channel", "Adenyl cyclase" ]
A
Ans: a (Na K ATPase) Ref: Tripathi, 6th ed, p. 499All cardiac glycosides are potent and highly selective inhibitors of the active transport of Na+ and K+ across cell membranes by their reversible binding to the alpha subunit of the. Na+, K+- ATPase the elimination 11 /2 for digoxin is 36 hours in patients with nonnal r...
pubmedqa_504
pubmedqa
Has the 80-hour workweek improved surgical resident education in New England?
[ "yes", "no", "maybe" ]
B
openbookqa_2911
openbookqa
A gila monster will likely have to interact negatively with
[ "trees", "eagles", "snails", "sharks" ]
B
qasc_1496
qasc
What do most salamanders use to find a mate?
[ "olfaction", "sound", "seduction", "fur and fat" ]
A
arc_easy_514
arc_easy
Which of these is a freshwater reservoir?
[ "Gulf of Mexico", "Pacific Ocean", "Atlantic tidal basin", "Antarctic polar ice" ]
D
openbookqa_627
openbookqa
What is a way to be born besides live birth?
[ "coming through a tough shell", "digging out of the sand", "cooking up an egg", "living in a nest" ]
A
aquarat_47751
aquarat
Three unbased coins are tossed. the probability of getting at most three head and three tails is ?
[ "A)1/2", "B)1/4", "C)3/4", "D)1/5" ]
B
S={TTT,TTH,THT,HTT,THH,HTH,HHT,HHH} E be the event of getting at least two head is {TTT,HHH} P(E)=n(E)/n(S)=2/8 = 1/4 Answer(B)
openbookqa_2608
openbookqa
The movement of lava might be compared to that of a
[ "sloth", "Cheetah", "Sail fish", "Spaceship" ]
A
aquarat_4394
aquarat
Sundar invested Rs. 4455 in Rs. 10 shares quoted at Rs. 8.25. If the rate of dividend be 12%, his annual income
[ "A)600", "B)648", "C)500", "D)700" ]
B
no of shares = 4455/8.25 = 540 face value = 540*10 = 5400 income = 12/100 * 5400 = 648 ANSWER B
aquarat_848
aquarat
A person travelled from his house to office at 35km/hr and office to house at 65km/hr. Then find the average speed?
[ "A)30km/hr", "B)45.5km/hr", "C)48km/hr", "D)50.5km/hr" ]
B
Average speed = (2*35*65)/(35+65) = 45.5km/hr Answer is B
aquarat_38904
aquarat
A circular ground whose diameter is 70 metres, has a 2.8 metre-broad garden around it. What is the area of the garden in square metres?
[ "A)540.72", "B)740.64", "C)640.64", "D)620.45" ]
C
Req. area = π[(37.8)2 – (35)2] = 22⁄7 × (72.8 × 2.8)[since a2 - b2 = (a + b)(a - b)] = 22 × 72.8× 0.4 = 640.64 sq m Answer C
mmlu_aux_6948
mmlu_auxiliary
If an animal is able to reproduce then
[ "that animal has matured", "that animal was impregnated", "that animal was in heat", "that animal was interested" ]
A
null
medmcqa_1978
medmcqa
Type IV complex of ETC is inhibited by
[ "Oligomycin", "Antimycin", "Cyanide", "CO2" ]
C
Cyanide is probably the most potent inhibitor of ETC (Complex IV). It binds to Fe3+ of cytochrome oxidase blocking mitochondrial respiration leading to cell death. Cyanide poisoning causes death due to tissue asphyxia (mostly of the central nervous system) In Acute cyanide poisoning Amyl nitrite is given followed by so...
medmcqa_6148
medmcqa
Peripheral resistance is decreased in which type of shock -a) Hypovolemic shockb) Neurogenic shockc) Septic shockd) Cardiogenic shock
[ "a", "c", "ac", "bc" ]
D
Septic shock has already been described → in hyperdynamic stage there is vasodilation and  ↓ TPR. Neurogenic shock Neurogenic shock occurs when there is Neurological injury as occur in head trauma or high cervical cord injury or cephalad migration of spinal anaesthesia. Interruption of sympathetic vasomotor input occu...
qasc_5616
qasc
Water moving sediment downstream can form
[ "fissures of hot, acidic water", "taiga", "underground systems", "habitats for aquatic species" ]
D
medmcqa_8366
medmcqa
Subclan aery is divided by which muscle ?
[ "Pectoralis minor", "Teres minor", "Scaleneus anterior", "Trapezius" ]
C
Ans. is 'c' i.e., Scaleneus anterior Scaleneus anterior muscle divides subclan aery into three pas :?A) First pa :This pa is medial (proximal) to scaleneus anterior. Branches from first pa are :?Veebral aeryInternal thoracic aeryThyrocervical trunk:Costocervical trunk (on left side only).B) Second pa :This pa lies post...
aquarat_35112
aquarat
A train sets off at 2 p.m. at the speed of 70 kmph. Another train starts at 4:30 p.m. in the same direction at the rate of 85 kmph. At what time the trains will meet?
[ "A)10.18 p.m", "B)10.29 p.m", "C)11.30 p.m", "D)10.38 p.m" ]
C
D = 70 * 1 ½ = 105 km RS = 85 – 70 = 15 T = 105/15 = 7 h 4.30 + 7 h = 11.30 p.m. Answer:C
aquarat_48736
aquarat
Three numbers are randomly selected, with replacement, from the set of integers {0, 1, 2, 3, 4, 5, 6, 7, 8}. If the first number selected is w, the second number selected is x, and the third number is y, what is the probability that w < x < y ?
[ "A)28/243", "B)31/243", "C)35/729", "D)83/729" ]
A
The number of ways to select w, x, and y is: 9*9*9=729 The number of ways to choose three different numbers from the set is 9C3=84. There are six permutations for each group of three different numbers, but only one permutation satisfies w < x < y. The probability that w < x < y is 84/729 = 28/243 The answer is A.
medmcqa_9544
medmcqa
First symptom in vulval cancer is-
[ "Pain", "Pruritus", "Ulceration", "Bloody discharge" ]
B
Ans. is 'b' i.e., Pruritus o Women with VIN and vulvar cancer commonly present with pruritus and a visible lesion.# However, pain, bleeding, and ulceration may also be initial complaints.
aquarat_503
aquarat
A sum of Rs.7000 is invested at a compound interest for three years, the rate of interest being 10% p.a., 20% p.a. and 25% p.a. for the 1st, 2nd and the 3rd years respectively. Find the interest received at the end of the three years.
[ "A)A)282", "B)B)4550", "C)C)8383", "D)D)8383" ]
B
Let A be the amount received at the end of the three years. A = 7000[1 + 10/100][1 + 20/100][1 + 25/100] A = 7000 * 1.65 A = Rs.11550 So the interest = 11550 - 7000 = Rs.4550 Answer: B
aquarat_30963
aquarat
If x is 50 percent greater than 88, then x =
[ "A)68", "B)132", "C)86", "D)105.6" ]
B
x=88*1.5=132 So the answer is B.
medmcqa_7255
medmcqa
Atopic dermatitis is diagnosed by –
[ "Patch test", "Wood lamp", "Clinical examination", "IgE" ]
C
Diagnosis of atopic dermatitis is largely clinical and is facilitated by using major and minor criteria.
mmlu_aux_5086
mmlu_auxiliary
There are seabirds as well as land-birds. The most ordinary seabird is the seagull. It has a white body, a white head and a yellow beak. There is a very, very spot of red at the very end of the beak, underneath. All gulls have very strong wings so that they can fly far out to sea. If a gull flies out too far, so that i...
[ "fish", "land-bird", "seabird", "animal" ]
C
null
aquarat_44653
aquarat
Convert 0.32 in to a vulgar fraction ?
[ "A)8/25", "B)16/50", "C)17/50", "D)19/50" ]
A
Answer 0.32 = 32/100 = 8/25 Correct Option: A
aquarat_16019
aquarat
If an amount of Rs 42,240 is distributed equally amongst 22 persons, how much amount would each person get?
[ "A)Rs 1905", "B)Rs 1920", "C)Rs 745", "D)Rs 765" ]
B
Required amount =42240/22 = Rs 1920 Answer B
medmcqa_8974
medmcqa
True about spinal cord:
[ "In adults spinal cord ends at lower border of L1 veebra", "In newborn may extend up to L3", "Cauda equine extends from lumbar veebra to coccyx", "All" ]
D
A, B, C i.e. In adults spinal cord ends at lower border of Li veebra, In newborn may extend up to L3, Cauda equine extends from lumbar veebra to coccyx
aquarat_27656
aquarat
Ramesh starting from a fixed point goes 15 km towards North and then after turning to his right he goes 15 km. then he goes 10, 15 and 15 metres after turning to his left each time. How far is he from his starting point?
[ "A)8 km", "B)9 km", "C)10 km", "D)11 km" ]
C
he will be 10 km. away from his starting point. ANSWER:C
openbookqa_2407
openbookqa
Obstacles that might impede a dune are
[ "God", "emotions", "cacti", "cancers" ]
C
mmlu_aux_4609
mmlu_auxiliary
The deep sea is not an easy place to live in. It's cold and dark. The deeper it is, the less sunlight there is. At about 3,000 feet, there is no light at all. It's very dark in the sea. Many fishes have no eyes, but some have big eyes. A few have eyes only on one side. Besides the coldness and the darkness, deep sea an...
[ "no eyes", "small eyes", "black eyes", "eyes on one side" ]
A
null
medmcqa_530
medmcqa
Factor Xa is necessary for conversion of prothrombin to thrombin
[ "Only in the extrinsic pathway", "Only in the intrinsic pathway", "As part of both extrinsic and intrinsic pathways", "Only if the normal blood clotting cascade is inhibited" ]
C
Ans. (c) As part of both extrinsic and intrinsic pathways(Ref: Robbins 9th/pg 118-119; 8th/pg 119)Activated factor IX along with factor VIIIa (Intrinsic pathway) & factor VIIa (extrinsic pathway), converge to activate Factor X to Xa is necessary for conversion of prothrombin to thrombin (common pathway)
medmcqa_7625
medmcqa
Winter bottom's sign in sleeping sickness refers to-
[ "Unilateral conjunctivitis", "Posterior cervical lymphadenopathy", "Narcolepsy", "Transient erythema" ]
B
Sleeping sickness Fever Loss of nocturnal sleep Headache Feeling of oppression Pruritis and maculopapular rashes Weight loss Arthralgia Hepatosplenomegaly Lymphadenopathy, particularly of the posterior triangle of the neck → Winter bottom's sign
aquarat_45995
aquarat
A and B can finish a work in 16 days while A alone can do the same work in 24 days. In how many days B alone will complete the work?
[ "A)56", "B)48", "C)30", "D)40" ]
B
B = 1/16 – 1/24 = 1/48 => 48 days ANSWER B
openbookqa_369
openbookqa
An animal's brain
[ "acts as a conduit for the lungs", "acts as a command base for the body", "lacks the ability to use spacial reasoning", "only assists in movements" ]
B
aquarat_38305
aquarat
George is 8 years more than Christopher and Ford is 2 years younger than Christopher. The sum of their ages is 60. Find the ages of Christopher.
[ "A)18", "B)19", "C)20", "D)21" ]
A
Christopher age = x George age, y = x + 8---------->(1) Ford age, z = x - 2------------>(2) Sum of their ages, x+y+z=60---->(3) Substitute z and y values in equation (3) Therefore, x+(x+8)+(x-2)=60 => 3x+8-2=60 => 3x=60-6 => 3x=54 =>x=54/3 x=18 ANSWER:A
mmlu_aux_5219
mmlu_auxiliary
American black bears appear in a variety of colors despite their name. In the eastern part, most of these bears have shiny black fur, but in the west they grow brown, red, or even yellow coats. To the north, the black bear is actually gray or white in color. Even in the same litter , both brown and black furred bears ...
[ "hearing", "smell", "eyesight", "taste" ]
B
null
qasc_1034
qasc
What do many birds do before they mate?
[ "migrate", "Sleep", "drink", "Dance" ]
D
aquarat_498
aquarat
Which of the following is a prime number ?
[ "A)33", "B)81", "C)93", "D)97" ]
D
Explanation: Clearly, 97 is a prime number. ANSWER IS D
qasc_1927
qasc
what happens if a neutral atom loses an electron?
[ "a lot of human deaths", "Plant growth is reduced", "oxidation reaction", "attracted to positive charges" ]
D
arc_easy_566
arc_easy
Which of these living things in a grassland ecosystem depend on the presence of a variety of bacteria and other microorganisms in the soil?
[ "worms only", "green plants only", "plants and animals only", "all the organisms in the ecosystem" ]
D
aquarat_49138
aquarat
John want to buy a $100 Trouser at the store, but he think it’s too expensive. Finally, it goes on sale for $60. What is the percent decrease?
[ "A)20%", "B)30%", "C)40%", "D)50%" ]
C
The is always the difference between our starting and ending points. In this case, it’s 100 – 60 = 40. The “original” is our starting point; in this case, it’s 100. (40/100)*100 = (0.4)*100 = 40%. C
medmcqa_7979
medmcqa
Triple helix is found in
[ "Cystine", "Collagen", "Pectin", "DNA" ]
B
Robbins basic pathology 9th edition page no 63 The collagens are composed of three seperate polypeptide chains braided into a ropelike triple helix.
medmcqa_5673
medmcqa
House Brackmann scale is for which nerve?
[ "Facial nerve", "Trigeminal", "Optic", "Hypoglossal" ]
A
aquarat_21515
aquarat
A man can row his boat with the stream at 24 km/h and against the stream in 10 km/h. The man's rate is?
[ "A)1 kmph", "B)6 kmph", "C)7 kmph", "D)4 kmph" ]
C
Explanation: DS = 24 US = 10 S = ? S = (24-10)/2 =7 kmph Answer: C
aquarat_24733
aquarat
Look at this series: 0.6, 0.3, ____, 0.075, 0.0375, ... What number should fill the blank?
[ "A)0.015", "B)1.15", "C)0.15", "D)0.25" ]
C
This is a simple multiplication series. Each number is multiple by 1/2. Answer: C
aquarat_7558
aquarat
The average of 7 consecutive numbers is 20. The largest of these numbers is :
[ "A)21", "B)25", "C)31", "D)23" ]
D
Let the numbers be x, x + 1, x + 2, x + 3, x + 4, x + 5 and x + 6, Then (x + (x + 1) + (x + 2) + (x + 3) + (x + 4) + (x + 5) + (x + 6)) / 7 = 20. or 7x + 21 = 140 or 7x = 119 or x =17. Latest number = x + 6 = 23. Answer : D
qasc_2706
qasc
What can have a negative impact on the sinuses in a body?
[ "mold spores", "A virus", "humid air", "warm water" ]
A
mmlu_aux_4469
mmlu_auxiliary
A Most of us feel upset if we miss just one meal, and if we try to go without food for 12 hours we would really be uncomfortable. But there are some people who seem able to "fast" for very long periods. Various records are claimed for long fast, but in most cases there is no medical proof and so the records are doubtfu...
[ "a tick lives on animals", "a tick is much smaller", "a bird is more active", "both B and C" ]
C
null
openbookqa_1928
openbookqa
Clothes fresh out of the laundry are great because they are
[ "darkness", "comfort", "temperate", "wonder" ]
C
aquarat_36314
aquarat
Two trains each 210m in length each, are running on two parallel lines in opposite directions. If one goes at the speed of 90km/h while the other travels at 85km/h. how long will it take for them to pass each other completely.
[ "A)3 sec", "B)2.6 sec", "C)3.6 sec", "D)8.6 sec" ]
D
Explanation: D = 210 m +210 m = 420 m RS = 90 + 85 = 175 * 5/18 = 243/5 T = 420 * 5/243 = 8.6 sec Answer: Option D
mmlu_aux_4644
mmlu_auxiliary
DNA is the whole "map" of the human body. It is something that all humans have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own. People have been trying to understand the human body for a long time. In 1860, Mr. Mendel discovered why we...
[ "We look like our parents because of \"genes\" in our body.", "We have understood what all the words in the DNA map do.", "Scientists have found all the words in the DNA map.", "DNA tells the cell to build its parts." ]
B
null
aquarat_8108
aquarat
252 ÷ ? × 15 + 270 = 405
[ "A)24", "B)25", "C)28", "D)39" ]
C
Explanation: 252 ÷ ? × 15 = 405 - 270 = 135 (252 × 15)/? = 135 ? = (252 × 15)/135 = 28 Answer: Option C
openbookqa_803
openbookqa
Which weight has the most resistance when being picked up?
[ "3 pound purple weight", "2 pound pink weight", "5 pound green weight", "8 pound blue weight" ]
D
qasc_3481
qasc
what is it when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy?
[ "A transportation fuel", "extremely important", "a hemisphere is tilted away from the sun", "series of enzyme-mediated reactions" ]
D
medmcqa_5475
medmcqa
Nodes of Rouviere -
[ "Retropharyngeal node", "Parapharyngeal node", "Adenoids", "None" ]
A
Retropharyngeal nodes are divided into medial and lateral groups. Most superior node of the lateral group is called the node of Rouviere. Also know Krause's node :- Lymph nodes situated at the jugular foramen.
aquarat_2044
aquarat
A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?
[ "A)1278", "B)1200", "C)2887", "D)1688" ]
B
l * 30 = 1200 è l = 40 40 + 30 + 50 = 120 120 * 10 = 1200 Answer: B
medmcqa_6687
medmcqa
Fetal and maternal blood can be differentiated by
[ "Kleihaurbetke test", "Apt test", "Bubbling test", "Osmotic fragility test" ]
B
Apt testKleihauer-Betke testSource of SampleMaternal or NeonatalMaternalPrincipleAdding 1% NaOH destroys adult HbA but not fetal HbFAdding acid destroys adult HbA but not fetalHbFAssessment TypeQualitativeQuantitativeResultPositive means blood is of fetal originRepoed in estimated milliliters of fetal bloodNote:When fe...
medmcqa_6879
medmcqa
Chronic desquamative gingivitis is seen in which type of lichen planus:
[ "Atrophic lichen planus.", "Hypertrophic lichen planus.", "Ulcerative lichen planus.", "Hyperplastic lichen planus." ]
A
mmlu_aux_4309
mmlu_auxiliary
Space is where our future is -- trips to the Moon, Mars and beyond. Most people would think that aside from comets and stars, there is little else out there. But, since our space journey started we have left so much trash there that scientists are now concerned that if we don't clean it up, we may all be in mortal d...
[ "A camera.", "A tool kit.", "A fuel tank.", "A broken satellite." ]
D
null
arc_challenge_388
arc_challenge
The kinetic energies of particles in a sample of matter are increasing. This sample is most likely
[ "a liquid that is warming.", "a gas that is cooling.", "a liquid that is turning into a solid.", "a gas that is turning into a liquid." ]
A
mmlu_aux_2943
mmlu_auxiliary
If You Decide to Go to the Moon By Faith Mcnulty, Steven Kellogg(illustrator)---This book is written in the second person and tells you the most important information you need to know if you go to the moon. I especially appreciate the information on how to get home. You know, just in case... Discover Space By Cynthia P...
[ "This Rocket and The Planets", "If You Decide to Go to the Moon", "Voyage to the Planet and Beyond", "The Planets and Space" ]
D
null
medmcqa_9432
medmcqa
Which of the following group of enzymes act by mediating transfer of one molecule to another?
[ "Lyases", "Oxidases", "Peptidases", "Transferases" ]
D
Transferases catalyze the transfer of groups such as methyl or glycosyl groups from a donor molecule to an acceptor molecule e.g., hexokinase. Ref: Harper's Illustrated Biochemistry, 26th Edition, Pages 49-50; Textbook of Biochemistry By D M Vasudevan, 3rd Edition, Page 31
medmcqa_2968
medmcqa
During laryngoscopy and intubation procedure, all of these are true, except:
[ "A slight pressure may be applied at the cricoid cailage", "The laryngoscope is held in the right hand introduced from the right side of the patient", "The neck is flexed with extension at the atlanto!occipital joint", "After inseion of laryngoscope, it is levered on the upper incisor to pull up the tongue an...
D
Ans: D. After inseion of laryngoscope, it is levered on the upper incisor to pull up the tongue and visualize the vocal cords(Ref: Miller 81c, p I 666-7667. 71e p1587).The laryngoscope should never be hinged on the teeth to lift up the epiglottis.The patient is aligned in a "sniffing" position, i.e. neck (atlanto-axial...
aquarat_4150
aquarat
Three people (1 couple and 1 single) are seated at random in a row of 7 chairs. What is the probability that the couple does not sit together?
[ "A)3/7", "B)4/7", "C)5/7", "D)6/7" ]
C
The total number of arrangements of 3 people is 7*6*5 = 210 Let's think of the couple as a single unit. The number of arrangements when the couple sits together is 6*5*2 = 60. Note that we multiply by 2 because the couple can switch places with each other. The number of ways the couple won't sit together is 210 - 60 = ...
qasc_617
qasc
A prehistoric shark tooth found discovered high in the mountains likely indicates what?
[ "The area was once underwater", "Currents were once more severe", "Sharks swim long distances", "tectonic plates being pushed together" ]
A
medmcqa_2355
medmcqa
A 10-mm calculus in the right lower ureter associated with proximal hydroureteronephrosis is best treated with:
[ "Extracorporeal shockwave lithotripsy", "Antegrade percutaneous access", "Open ureterolithotomy", "Ureteroscopic retrieval" ]
D
Answer is D (Ureteroscopic Retrieval) : The patient in question has a small calculus (1.0 cm) in size, which is located in the distal ureter and hence is amenable to ureteroscopic removal. The presence of proximal hydroureteronephrosis indicates obstruction and forms- the indication for clone removal. Indications and m...
arc_easy_2178
arc_easy
Denise was driving east over a hill in the afternoon, shortly after a rain shower. Suddenly the sun broke through the clouds, and she saw a rainbow ahead of her. Which of the following made the rainbow possible?
[ "Sunlight can be separated into all the colors of the rainbow.", "Water reflects sunlight like a mirror to make it look colored.", "Overhead black clouds reflect in puddles to cause a mirage.", "Air pollution causes the sky to look colored under these conditions." ]
A
medmcqa_7663
medmcqa
The lineage specific marker for B cells is
[ "CD 19", "CD 20", "CD 21", "CD 22" ]
A
Lineage specific B cell marker is CD 19. However on IHC the best marker is CD 20. CD 21 is the receptor for EBV
qasc_1491
qasc
The measurement of what falls from lower to higher altitudes?
[ "snow", "rain", "Energy", "heat" ]
D
mmlu_aux_2386
mmlu_auxiliary
Entering Space, astronauts can give us a fascinating account of a shuttle flight, describing the pressure of a countdown and launch, the complexities of living the days in the strange weightless environment, the challenges of working in space, the emotional effect of seeing earth from space, the drama of the meteoric l...
[ "Get the tears big enough to break away from his eyes.", "Get the tears big enough to fall off of his eyes.", "Rub his eyes against his helmet to let the tears float forward.", "Rub his eyes by hand to let the tears float around." ]
A
null
aquarat_29625
aquarat
Divide Rs. 1200 among A, B and C so that A receives 1/3 as much as B and C together and B receives 2/3 as A and C together. A's share is?
[ "A)300", "B)368", "C)375", "D)337" ]
A
A+B+C = 1200 A = 1/3(B+C); B = 2/3(A+C) A/(B+C) = 1/3 A = 1/4 * 1200 => 300 Answer:A
aquarat_48547
aquarat
In her backyard, Florry grows only yellow roses and white roses. Some of the rose bushes have flowers of both colors, and some have flowers of one color only. The number of rose bushes that have only yellow roses is 50% greater than the number of rose bushes that have only white roses. If there are yellow roses on 80% ...
[ "A)20", "B)30", "C)50", "D)70" ]
B
let, the number of bushes with only yellow flowers be x so, number of bushes with only yellow flowers will be 1.5x if total number of bushes of flowers= T then total number of bushes with yellow flowers= 0.8T we can say that total number of bushes with yellow flowers+ bushes with only white flowers= total number of bus...
qasc_5654
qasc
What is energy used for?
[ "heating buildings", "courtship", "reversing time", "Plants growth" ]
A
aquarat_1716
aquarat
what is the compound interest on rs:40,000 for 4 months at the rate of 5% per annum
[ "A)670.85", "B)671.85", "C)672.85", "D)673.85" ]
A
it is monthly compound rate=5/12% per month 40000*(1+5/1200)^4-40000=670.85 ANSWER:A
aquarat_49364
aquarat
8 liters of a 25 percent solution of alcohol in water are mixed with 2 liters of a 12 percent alcohol in water solution. What is the percentage of alcohol in the new solution?
[ "A)21.2%", "B)21.6%", "C)22.0%", "D)22.4%" ]
D
The total amount of alcohol is 0.25(8) + 0.12(2) = 2.24 liters. The percentage is 2.24 / 10 = 22.4 / 100 which is 22.4% The answer is D.
qasc_5283
qasc
What are formed by erosion?
[ "mountains", "hills", "canyons", "Sediment" ]
C
qasc_7551
qasc
What is the result of a dolphin keeping a high metabolism rate?
[ "generate blood cells", "generate heat", "overheating", "develop cancer" ]
B
openbookqa_1228
openbookqa
What happens when available water decreases in an environment?
[ "growth", "flooding", "rain", "dry spell" ]
D
aquarat_5595
aquarat
If x^2 + 9/x^2 = 10, what is the value of x - 3/x
[ "A)36", "B)25", "C)2", "D)5" ]
C
To find : x-3/x. Let it be t. => x-3/x = t => (x^2 + 9/x^2) - 2*x*3/x = t^2 (Squaring both sides). => (10) - 2*3 = 4 => t^2 = 4. Thus t=2 or t=-2. Answer C
qasc_6107
qasc
what does androgen stimulate?
[ "Veins and arteries.", "heart", "reproductive organs", "allow growth" ]
C
medmcqa_479
medmcqa
All are subjective tests for audiometry except:
[ "Tone decay", "Impedance audiometry", "Speech audiometry", "Pure tone audiometry" ]
B
(b) Impedance audiometry(Ref. Scott Brown, 6th ed., Vol 2; 2/12/1)Impedance audiometry is an objective test. It does not require the cooperation of patient.Other objective audiometry tests are; OAEs, Electrocochleography and BERA
pubmedqa_910
pubmedqa
Is the ability to perform transurethral resection of the prostate influenced by the surgeon's previous experience?
[ "yes", "no", "maybe" ]
A
aquarat_47839
aquarat
If a, b and c are forming increasing terms of G.P., r is the common ratio then find the minimum value of (c-b), given that (log a+log b+log c)/log 6 = 6.Note that r can be any real no.
[ "A)23", "B)16", "C)17", "D)12" ]
D
Explanation: a,b,c are in G.P. so let the first term of G.P. = arar, and common ratio = r. Therefore, a = arar, b = aa, c = arar Given, loga+logb+logclog6=6log⁡a+log⁡b+log⁡clog⁡6=6 ⇒logabclog6=6⇒log⁡abclog⁡6=6 ⇒log6abc=6⇒abc=66⇒log6abc=6⇒abc=66 put the value of a,b,c in gp format ⇒ar×a×ar=66⇒ar×a×ar=66 ⇒a3=66⇒a=36⇒a3=6...
aquarat_47653
aquarat
Applying VBODMAS rule
[ "A)31/120", "B)31/129", "C)31/1276", "D)31/122" ]
A
Answer:A