id
string
dataset
string
question
string
options
list
answer
string
explanation
string
openbookqa_1688
openbookqa
Why is that tulip red?
[ "it's embarrassed", "it's really yellow", "it's sick", "genetics" ]
D
medmcqa_2994
medmcqa
Ranula is a: March 2013 (a, d, e)
[ "Retention cyst", "Extravasation cyst", "Edema of uvula", "Edema of floor of mouth" ]
A
Ans. A i.e. Retention cystBailey & Love (Surgery) states that ranula is an extravasation cyst, but CSDT (Surgey), Dhingra (ENT) & even internet references describe it as retention cyst.
aquarat_26999
aquarat
What is the least value of x. So that 23x57 is divisible by 3.
[ "A)2", "B)0", "C)1", "D)3" ]
C
Explanation: The sum of the digits of the number is divisible by 3, then the number is divisible by3. 2 + 3 + x + 5 + 7 = 17 + x Least value of x may be 1 Therefore 17 + 1 = 18 is divisible by 3. Answer: Option C
mmlu_aux_3761
mmlu_auxiliary
It is your sense of smell that quickly tells you there is good food in the kitchen, or your smelly socks need to be washed. But how do we recognize smell? Particular smells turn on certain groups of brain cells , scientists say. When your nose catches a slight smell of something, one of 1,000 different types o...
[ "An Experiment on Mice", "Smelling Experience", "Bad Smell or Good Smell", "Studies on How to Recognize Smell" ]
D
null
medmcqa_3637
medmcqa
All drug inhibit bacterial cell wall synthesis EXCEPT
[ "Spectinomycin", "Vancomycin", "Aztreonam", "Cephalexin" ]
A
Spectinomycin is an aminocyclitol antibiotic that inhibits bacterial protein synthesis. The other drugs all inhibit bacterial cell wall synthesis. Vancomycin and bacitracin inhibit early steps in the biosynthesis of the peptidoglycan component of the cell wall, whereas 3-- lactams such as aztreonam (a monobactam), peni...
medmcqa_4036
medmcqa
Most of the drug resistance occurs due to:(1996)
[ "Transduction", "Translation", "Mutation", "Conjugation" ]
D
Ans: d
medmcqa_1168
medmcqa
Die is commonly seen in -
[ "MlAML", "M2AML", "M3AML", "M4AML" ]
C
Acute promyelocytic leukaemia (M3) may be associated with a serious coagulation abnormality ,disseminated intravascular coagulation.Reference :Davidson's principles & practices of medicine 22nd edition pg no 383.
aquarat_324
aquarat
In how many ways can we put 4 different balls in 3 different boxes when any box can contain any number of balls?
[ "A)80", "B)81", "C)64", "D)63" ]
B
Stage 1: Select a box for the 1st ball to go into. There are 3 available boxes, so we can complete stage 1 in 3 ways Stage 2: Select a box for the 2nd ball to go into. There are 3 available boxes, so we can complete stage 2 in 3 ways Stage 3: Select a box for the 3rd ball to go into. There are 3 available boxes, so we ...
medmcqa_1241
medmcqa
Single most sensitive tool for evaluating the iron status is
[ "Haemoglobin concentration", "Serum ion concentration", "Serum ferritin", "Serum transferrin saturation" ]
C
Serum ferritin is the single most sensitive tool for evaluating the iron status.It reflects the size of Iron stores in the body. Values below 10 mcg/L indicate an absence of stored iron.Park 23e pg: 623
medmcqa_5815
medmcqa
Drug used in RSV infection in children-
[ "Rituximab", "Palivizumab", "Penicillin", "None of the above" ]
B
qasc_5696
qasc
Energy enters what in the form of sunlight or chemical compounds.
[ "biomes", "fire", "light", "Energy." ]
A
arc_challenge_447
arc_challenge
Which simple machine increases the distance over which a load travels and reduces the needed force?
[ "wheel and axle", "wedge", "pulley", "inclined plane" ]
D
pubmedqa_956
pubmedqa
SPECT study with I-123-Ioflupane (DaTSCAN) in patients with essential tremor. Is there any correlation with Parkinson's disease?
[ "yes", "no", "maybe" ]
B
mmlu_aux_6906
mmlu_auxiliary
Which of these items must be combined with a river to produce power?
[ "chocolat", "ice", "snow", "concrete" ]
D
null
medmcqa_9292
medmcqa
True about Rocuronium bromide is all except
[ "One of the most commonly used non depolarizing agent", "Non depolarizing agent of choice for RSI", "Sugammadex is the specific reversal agent", "Most preferred in hepatic and renal failure" ]
D
It is metabolized by liver and kidney so to be avoided in preexisting hepatic and renal disorder. Hepatic and Renal failure , the neuromuscular blocker of choice is Atracurium and Cisatracurium Cis-atracurium undergoes Hofmann elimination - which is spontaneous non-enzymatic degradation. So renal failure doesn't affect...
qasc_7792
qasc
What may be free-living or parasitic?
[ "insects", "parasites", "bushes", "nematodes" ]
D
medmcqa_3235
medmcqa
A patient presented to ENT OPD with complaints of headache and nasal stuffiness. On CT scan Heterogeneous opacification involving multiple sinuses along with Bone erosion (as shown below) was noticed. What would be the most likely diagnosis?
[ "Acute bacterial rhinosinusitis", "Chronic Bacterial rhinosinusitis", "Allergic Fungal rhinosinusitis", "Invasive Fungal Rhinosinusitis" ]
C
Heterogeneous opacification in multiple sinuses with areas of central hypoattenuation is characteristic of AFRS. Erosion of medial wall of right orbit can be clearly seen without any invasion into the orbit as Medial Rectus Muscle can be clearly seen with out distoion. ( compare with Left Side) Areas of increased signa...
aquarat_26581
aquarat
The sum of three numbers is 98. If the ratio of the first to second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is
[ "A)33", "B)28", "C)30", "D)88" ]
C
Explanation: Let the three parts be A, B, C. Then, A : B = 2 : 3 and B : C = 5 : 8 == A : B : C = 2 : 3 : = 10 : 15 : 24 B = = 30 Answer: C) 30
aquarat_26569
aquarat
Two trains start at same time from two stations and proceed towards each other at the rate of 20 km/hr and 25 km/hr respectively. When they meet, it is found that one train has traveled 55 km more than the other. What is the distance between the two stations?
[ "A)540 km", "B)495 km", "C)276 km", "D)178 km" ]
B
Explanation: Let us assume that trains meet after 'x' hours Distance = speed * Time Distance traveled by two trains = 20x km and 25x km resp. As one train travels 55 km more than the other, 25x – 20x = 55 5x = 55 x = 11hours As the two trains are moving towards each other, relative speed = 20 + 25 = 45 km/hr Therefor...
openbookqa_2716
openbookqa
In December around 3pm I will avoid using
[ "time travel", "planets", "magic", "sungoggles" ]
D
mmlu_aux_2484
mmlu_auxiliary
Zero gravity looks cool. But what about the thing no one likes to talk about? Yes, that is right: going to bathroom. Zero gravity makes this everyday task quite a challenge. Astronauts have to be toilet-trained all over again. The Apollo astronauts raised themselves off the seat of their chairs and stuck a clear plasti...
[ "None of the waste was separated as it is now.", "Solid waste was compressed and stored on board.", "The toilet units used water to remove the waste through the system.", "The astronauts each used their own private restroom." ]
A
null
mmlu_aux_3664
mmlu_auxiliary
Sixty-five million years ago, an asteroid that crashed on Earth led to the disappearance of the largest animals that have ever walked our planet - the dinosaurs. At least, this is what some scientists believe. But that accident happened so long ago. People have come to believe that we are free of threats from asteroi...
[ "Learning about asteroids and meteors.", "The threats of objects from space and possible solutions.", "NASA's latest technology to discover visitors to the Earth from space.", "How to measure the damage of collisions from asteroids and meteors." ]
B
null
arc_easy_595
arc_easy
As a sample of water turns to ice,
[ "new molecules are formed.", "the mass of the sample is increased.", "the arrangement of the molecules changes.", "energy is absorbed by the molecules." ]
C
mmlu_aux_2696
mmlu_auxiliary
Winter begins in the north on December 22nd. People and animals have been doing what they always do to prepare for the colder months. Squirrels , for example, have been busy gathering nuts from trees. Well, scientists have been busy gathering information about what the squirrels do with the food they collect. They exa...
[ "the way they gather the walnut", "the time they have winter sleep", "the place they have winter sleep", "the place they store the walnuts" ]
D
null
openbookqa_2711
openbookqa
What will, for all intents and purposes, never run out?
[ "gasoline", "sunlight", "coal", "natural gas" ]
B
aquarat_22887
aquarat
In a 200 Meter race A beats B by 35 Meters in 7 seconds. A's time over the cause is?
[ "A)47 sec", "B)40 sec", "C)45 sec", "D)33 sec" ]
D
B covers 35m in 7seconds B take time =(200*7)/35=40 A takes time =40-7=33 sec ANSWER:D
medmcqa_1672
medmcqa
Capillary refill time in a child with shock is?
[ ">1 second", ">2 seconds", ">3 seconds", ">4 seconds" ]
C
Capillary refill is a simple test that assesses how quickly blood returns to the skin after pressure is applied. It is carried out by applying pressure to the pink part of the nail bed of the thumb or big toe in a child and over the sternum or forehead in a young infant for 3 seconds. The capillary refill time is the t...
aquarat_32505
aquarat
A company selected 250 zip codes in Northeastern, Florida, Arizona and California in order to mail a product catalog. The number of Northeastern zip codes was twice Florida's, and four times Arizona's, and 4/3 California's. 375,000 catalogues were mailed to California and 25% resulted in product orders. What is the rat...
[ "A)a) 500", "B)b) 750", "C)c) 1,000", "D)d) 1,250" ]
D
Since N = 2F, no of Florida zip codes (F) will be N/2. Since N = 4A, no of Arizona zip codes (A) will be N/4 Since N = (4/3)C, no of California zip codes (C) will be 3N/4 N + N/2 + N/4 + 3N/4 = 5N/2 = 250 N = 100 C = 3N/4 = 75 No of orders is 25% of 375,000 = 93,750 So required ratio = 93,750/75 =1,250 Answer D
medmcqa_2372
medmcqa
Speed of rabies virus progress in axon is
[ "100 mm/day", "150 mm/day", "200 mm/day", "250 mm/day" ]
D
Speed of rabies virus progress in axon is 250 mm/day.
mmlu_aux_4808
mmlu_auxiliary
June 11,2013 was another big day for Chinese space exploration. Shenzhou X, China's fifth manned spacecraft, was sent into space. Three astronauts, Nie Haisheng, 49, Zhang Xiaoguang, 47, and Wang Yaping, 33, stayed in space for 15 days. Tiangong-1 is China's first space module . It was sent into space in 2011. It will ...
[ "the youngest", "the oldest", "the tallest", "the strongest" ]
B
null
mmlu_aux_4401
mmlu_auxiliary
GUATEMALA CITY(Reuters)---- A fish that lives in mangrove swamps across the Americas can live out of water for months at a time, similar to how animals adapted to land millions of years ago, a new study shows. The Mangrove Rivulus, a type of small killifish, lives in small pools of water in a certain type of empty nut ...
[ "breathe through its skin", "move freely on dry land", "remain alive out of water", "be as active on land as in water" ]
C
null
mmlu_aux_4636
mmlu_auxiliary
The earth moves round the sun, and the moon moves round the earth. When our part of the earth turns to the moon, it is night. The sun is much bigger than the moon. But sometimes the moon looks bigger than the sun, because it's much nearer to the earth. The sun is very bright. It gives a very strong light. The moon look...
[ "it is much bigger than the sun", "it comes out only at night", "it is much nearer to the earth than the sun", "it doesn't give a strong light" ]
C
null
qasc_2844
qasc
What are zooplankton?
[ "microscopic", "infected", "huge", "storing water" ]
A
mmlu_aux_6812
mmlu_auxiliary
an inherited characteristic found on all mammals is
[ "nails", "teeth", "shoes", "fur" ]
D
null
arc_easy_1633
arc_easy
Plants have special tissues that transport food, water, and minerals throughout the plant. What are these tissues similar to in animals?
[ "stomach and intestines", "spinal cord and brain", "arteries and veins", "kidneys and liver" ]
C
openbookqa_1736
openbookqa
With more people eating cereal there comes a need for more
[ "butter", "top soil", "water", "corn" ]
D
aquarat_4463
aquarat
Sixty five percent of a number is 21 less than four fifth of that number. What is the number ?
[ "A)150", "B)140", "C)160", "D)170" ]
B
Let the number be x. Then, 4*x/5 –(65% of x) = 21 4x/5 – 65x/100 = 21 5 x = 2100 x = 140. so the answer is option B) 140.
openbookqa_1422
openbookqa
What would be a benefit of skipping showers?
[ "getting facial acne", "being smelly", "having dirty hair", "fostering healthy bacteria" ]
D
qasc_3350
qasc
What do animals compete for?
[ "warmth", "territory", "food supply", "to stay alive" ]
B
mmlu_aux_7253
mmlu_auxiliary
A screw will increase in temperature when set in the sun's path, why?
[ "heating element", "building device", "conduction", "convection" ]
C
null
mmlu_aux_3189
mmlu_auxiliary
Edward Wilson The Future of Life, . Edward Wilson is America's, if not the world's, leading naturalist. In The Future of Life, he takes us on a tour of the world's natural resources . How are they used? What has been lost? What remains and is it able to continue with the present speed of use? Wilson also points out th...
[ "Twenty.", "Eighty.", "One hundred", "Ten thousand." ]
A
null
medmcqa_4820
medmcqa
True about Type 1 diabetes mellitus
[ "Decreased hepatic Glucose output", "Increase glucose uptake", "Increased lipolysis", "Decreased protein catabolism" ]
C
* Patients may become hyperglycemic in poorly controlled type 1 diabetes mellitus . The reason being - due to lack of insulin to stimulate uptake and utilization of glucose and also because in the absence of insulin which antagonize the actions of glucagon, there is increase in gluconeogenesis from amino acids in liver...
medmcqa_5976
medmcqa
What is your diagnosis:-
[ "Orbital blow out fracture", "Orbital roof fracture", "Oculomotor nerve paralysis", "Retrobulbar hemorrhage" ]
A
Following image shows a defect in the orbital floor and the 'tear drop' sign in the antrum characteristic of blow out fractures of orbit. WATER'S view on X-RAY is helpful in eliciting orbital blow out fracture
medmcqa_1716
medmcqa
A 33-yr old man presented with a slowly progressive swelling in the middle 113d of his right tibia. X-rays examination revealed multiple sharply demarcated radiolucent lesions separated by areas of dense and sclerotic bone. Microscopic examination of a biopsy specimen revealed island of epithelial cells in a fibrous st...
[ "Adamantinoma", "Osteofibrous dysplasia", "Osteosarcoma", "Fibrous coical defect" ]
A
Adamantinoma of long bone Introduction: Unusual neoplasm, almost always located in tibial shaft. Clinical features: Localized swelling and pain for several years. Age: Between 15-55 yrs. Radiological features: * An eccentric well demarcated area of destruction usually involving the anterior poion of the tibial shaft. *...
qasc_5849
qasc
What can decreasing an object's speed create?
[ "heat", "death", "freezing", "cold" ]
A
mmlu_aux_2441
mmlu_auxiliary
Giant pandas are now extremely rare. Their number is less than 1,000 in the wild. The hunting of pandas has been banned for many years, so this is not the problem. Destruction of its habitat, when areas are cleared for growing crops, is one of the main reasons for panda's decline . Another reason is that the bamboo on ...
[ "A baby panda can see anything when born", "A newly-born panda is about 200g in weight", "Pandas can escape from enemy because of their skill of climbing.", "A baby panda will leave its mother before it is one and a half years old" ]
C
null
medmcqa_4978
medmcqa
SVC syndrome is most commonly associated with:
[ "Mediastinal fibrosis", "Lymphoma", "Lung cancer", "TB mediastinitis" ]
C
If the superior or inferior vena cava is obstructed, the venous blood causes distention of the veins running from the anterior chest wall to the thigh.The lateral thoracic vein anastomoses with the superficial epigastric vein, a tributary of the great saphenous vein of the leg. In these circumstances, a touous varicose...
mmlu_aux_5297
mmlu_auxiliary
If you are lucky enough, you may find the hummingbird , the smallest bird of the animal world, in a south American forest. Though the hummingbird is no bigger than a bee and weighs only 2 to 3 grams, it can fly as fast as 50 meters in a second. It can fly forwards as most birds do, and it can fly backwards as well. ...
[ "north American", "south Asian", "north Asian", "south American" ]
D
null
qasc_6051
qasc
When you reuse products you reduce resources but also protect the?
[ "Plastic", "Environment", "consumers", "Climate" ]
B
qasc_6463
qasc
What is sediment?
[ "alluvial", "Mud", "Broken rocks", "soft soil" ]
C
qasc_6283
qasc
What produces grain?
[ "flowers", "leaves", "food", "sugar" ]
A
aquarat_76
aquarat
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?
[ "A)12.8 sec", "B)12.1 sec", "C)12.2 sec", "D)12.6 sec" ]
B
Speed = 72 * 5/18 = 20 m/sec Total distance covered = 110 + 132 = 242 m. Required time = 242/20 = 12.1 sec. Answer: B
medmcqa_4044
medmcqa
Which is the first country in south east Asia to have eliminated trachoma?
[ "India", "Nepal", "Bangladesh", "Pakistan" ]
B
21 May 2018 - The World Health Organization (WHO) has validated Nepal for having eliminated trachoma as a public health problem - a milestone, as the country becomes the first in WHO's South-East Asia Region to defeat the world's leading infectious cause of blindness. Several criteria are used to assess a country's cla...
aquarat_28136
aquarat
if a@b = a * b^(1/2) then 4@9 = ? self made
[ "A)2", "B)12", "C)3", "D)8" ]
B
4* (9)^1/2= 4*3= 12 B is the answer
medmcqa_2701
medmcqa
An 8 year old boy presented with fever and bilateral cervical lymphadenopathy with prior history of sore throat. There was no hepatomegaly. The peripheral blood smear shows >20% lympho plasmacytoid cells. The most likely diagnosis is:
[ "Tuberculosis", "Infectious Mononucleosis", "Acute lymphoblastic leukemia", "Influenza" ]
B
Ans. B. Infectious MononucleosisThe given clinical situation suggests Infectious MononucleosisFeatures of Infectious Mononucleosis:* Cervical Lymphadenopathy* Fever* History of sore throat* >20% atypical lymphocytesHepatomegaly may be absent (Occurs only in 30% of cases)
medmcqa_1002
medmcqa
Increased serum amylase in pleural effusion is seen in
[ "Rheumatoid arthritis", "Tuberculosis", "Malignancy", "Pulmonary embolism" ]
C
(Malignancy) (269- CMDT-08) (1658-H17th)Serum amylase level in PE - suggest pancreatits, pancreatic pseudocyst, adenocarcinoma of the lung or pancreas or esophageal rupture, - MalignancyGlucose < 60 mg/ dL - occurs in Malignancy, Bacterial infections, Rheumatoid pleuriticIncreased amvlase acids are found in perforated ...
openbookqa_1013
openbookqa
What does pencil lead contain?
[ "aluminum", "stable carbon", "sunlight", "mineral water" ]
B
aquarat_7622
aquarat
In what time a sum of money double itself at 3% per annum simple interest?
[ "A)36 1/3%", "B)33 1/3%", "C)33 1/6%", "D)63 1/3%" ]
B
P = (P*3*R)/100 R = 33 1/3% Answer: B
openbookqa_83
openbookqa
Hummingbirds take what with them
[ "Bees", "energy", "Pollen", "Honey" ]
C
medmcqa_3983
medmcqa
Vidian neurectomy is done in?
[ "Allergic rhinitis", "Vasomotor rhinitis", "Atrophic rhinitis", "Rhinitis medicamentosa" ]
B
Ans. (b) Vasomotor rhinitisRef: Dhingra's 4th ed p-160
mmlu_aux_4733
mmlu_auxiliary
Antifreeze is a liquid that is added to water to keep it from freezing. When water freezes and turns to ice,it expands .The force of water expanding is so great that it will break the hardest metal.Water is used in car engines to keep them cool while they run,and if this water is allowed to freeze in winter it can br...
[ "keep alcohol in water", "stop ice from becoming water", "make the freezing point of water lower", "raise the freezing point of water" ]
C
null
aquarat_34838
aquarat
The number obtained by interchanging the two digits of a two-digit number is less than the original number by 45. If the sum of the two digits of the number so obtained is 13, then what is the original number?
[ "A)49", "B)94", "C)83", "D)38" ]
B
Let the number be in the form of 10a + b Number formed by interchanging a and b = 10b + a. a + b = 13 --- (1) 10b + a = 10a + b - 45 45 = 9a - 9b => a - b = 5 --- (2) Adding (1) and (2), we get 2a = 18 => a = 9 and b = 4 The number is: 94. ANSWER:B
aquarat_2642
aquarat
There are two concentric circles such that the area of the outer circle is four times the area of the inner circle. Let A, B and C be three distinct points on the perimeter of the outer circle such that AB and AC are tangents to the inner circle. If the area of the outer circle is 12 square centimetres then the area (i...
[ "A)π√​12", "B)9/π", "C)9√3/π square centimetres", "D)6√3/π" ]
C
Explanation : Outer circle: Since πR² = 12, R = √(12/π) = 2√(3/π). Inner circle: Since the area is 1/4 the area of the outer circle, πr² = 3 and r = √(3/π). AO is the Radius of the outer circle and OD is the radius of the inner circle. A line tangent to a circle and a radius drawn to the point of tangency form a right ...
aquarat_5054
aquarat
A is twice as good a work man as B and together they finish a piece of work in 36 days.The number of days taken by B alone to finish the work is :
[ "A)100 days.", "B)108 days.", "C)98 days.", "D)47 days." ]
B
Solution (A’s 1 day’s work): (B’s 1 day’s work)= 2 : 1. (A + B)'s 1 day’s work = 1/36 Divide 1/36 in the ratio 2 : 1. ∴ B’s 1 day’s work = (1/36 x1/3)= 1/108 Hence,B alone can finish the work in 108 days. Answer B
aquarat_46185
aquarat
The rate at which a sum becomes four times of itself in 15 years at S.I., will be :
[ "A)10 %", "B)15 %", "C)20 %", "D)40 %" ]
C
Sol. Let sum = x. Then, S.I. = 3x ∴ Rate = [100 * S.I. / P*T] = [100 * 3x / x * 15]% = 20%. Answer C
aquarat_22148
aquarat
Which of the following is equal to 1(3/5)%?
[ "A)0.012/100", "B)0.12/100", "C)1.6/100", "D)12/100" ]
C
This notation may be confusing for some, since it looks like we're multiplying 1 and 3/5 How about adding a space:Which of the following is equal to (1 3/5)% (1 3/5)% = 1.6% = 1.6/100 Answer: C
qasc_6045
qasc
Nitrogen depletion is a condition of some:
[ "bushes", "humans", "animals", "soils" ]
D
qasc_2528
qasc
what is increased to cause something to change from a solid into a liquid?
[ "Evaporation", "water vapor", "hydrogen", "temperature" ]
D
medmcqa_8749
medmcqa
Which of the following antitubercular drug is not hepatotoxic :
[ "Isoniazid", "Rifampicin", "Ethionamide", "Streptomycin" ]
D
Streptomycin and ethambutol are not hepatotoxic. Read carefully, option (c) is ethionamide, not ethambutol.
arc_easy_1174
arc_easy
It rained on a hot summer afternoon and a puddle formed. After several hours, the puddle was gone. Which two processes made the puddle form and then disappear?
[ "precipitation followed by evaporation", "deposition followed by evaporation", "precipitation followed by runoff", "deposition followed by runoff" ]
A
openbookqa_2607
openbookqa
The elements will over time level
[ "mountains", "the seas", "god", "giants" ]
A
aquarat_35049
aquarat
Carolyn bought 15 gumballs, Lew bought 12 gumballs, and Carey bought X gumballs. The average (arithmetic mean) number of gumballs the three bought is between 19 and 25, inclusive. What is the difference between the greatest number and the smallest number of gumballs Carey could have bought?
[ "A)20", "B)22", "C)18", "D)24" ]
C
Smallest gumballs = (19-15) + (19-12) +19= 30 Largest gumballs = (25-15) + (25-12) +25= 48 Difference = 48 - 30 = 18 C
aquarat_4866
aquarat
If the population of a certain country increases at the rate of 1 person every 60 seconds, by how many persons does the population increase in 2 Hours?
[ "A)120", "B)80", "C)100", "D)150" ]
A
Answer = 1 * 120(2 hour = 120 minutes)= 120 Answer = A
mmlu_aux_1574
mmlu_auxiliary
The year is 2094. It has been announced that a comet is heading towards the earth. Most of it will miss our planet, but two pieces will probably hit the southern half of the earth. On 17 July, a piece of 4 kilometers wide comet enters the Earth's atmosphere with a massive explosion . About half of the piece is destroy...
[ "Because the land is covered with water.", "Because the light and heat form the sun cannot reach the earth.", "Because people there cannot live at the temperature of zero.", "Because wars break out among countries." ]
B
null
aquarat_24497
aquarat
A group consists of 4 men, 6 women and 5 children. In how many ways can 3 men, 2 women and 3 children selected from the given group?
[ "A)300", "B)450", "C)600", "D)750" ]
C
Explanation: The number of ways of selecting three men, two women and three children is: = ⁴C₃ * ⁶C₂ * ⁵C₃ = (4 * 3 * 2)/(3 * 2 * 1) * (6 * 5)/(2 * 1) * (5 * 4 * 3)/(3 * 2 * 1) = 4 * 15 * 10 = 600 ways. ANSWER IS C
openbookqa_161
openbookqa
When geese migrate in the late summer or early autumn, they
[ "head to less snowy areas", "prefer to visit florida", "take a scenic route", "travel in small groups" ]
A
medmcqa_3909
medmcqa
A 2-year-old unresponsive child came to casualty with history of fall from a height. On examination, he is responsive to verbal stimuli intermittently, respiratory rate is 30 per min, pulse 130 per min, spO2 is 94% and BP is 104/60 mm Hg. What should be the next step of management?
[ "Observe the child carefully and shift if necessary", "Transfer immediately to a tertiary center for CT brain and further management", "Start oxygen by face mask, immobilize cervical spine and transfer to a tertiary center accompanied by doctor", "Start oxygen by face mask and give mannitol" ]
C
c. Start oxygen by face mask, immobilize cervical spine and transfer to a tertiary centre accompanied by doctor(Ref: Nelson's 20/e p 545-552)The best management in this case is to supplement O2 as there is hypoxia, to prevent further CNS injury; Cervical spine should be immobilized and the patient should be transferred...
qasc_7526
qasc
Many animals that lack a vertebral column, or backbone have a what
[ "spine", "exoskeleton", "parasites", "Leptospirosis" ]
B
mmlu_aux_3959
mmlu_auxiliary
Plants are flowering faster than scientists predicted in reaction to climate change,which could have long damaging effects on food chains and ecosystems. Global warming is having a great effect on hundreds of plant and animal species around the world,changing some living patterns,scientists say. Increased carbon dioxi...
[ "they can prove the climate change clearly", "they are very important in the food chains", "they play a leading role in reducing global warming", "they are growing and flowering much faster than before" ]
B
null
arc_easy_1898
arc_easy
Rocks found on Earth are classified as sedimentary, metamorphic, or igneous based on
[ "where the rocks were found.", "how the rocks were formed.", "the composition of the rocks.", "the color and shape of the rocks." ]
B
medmcqa_8597
medmcqa
All are absolute contraindications for regional anesthesia Except
[ "Patient refusal", "Lack of nerve stimulator", "Lack of resuscitation facilities", "INR > 2 in ophthalmic procedures" ]
D
INR > 2 is a relative contraindication for ophthalmic anaesthesia
qasc_7639
qasc
what dissolves oxygen better when running than standing?
[ "H2O", "NaCl", "pH", "CO2" ]
A
aquarat_3924
aquarat
A certain barrel, which is a right circular cylinder, is filled to capacity with 60 gallons of oil. The first barrel is poured into a second barrel, also a right circular cylinder, which is empty. The second barrel is twice as tall as the first barrel and has twice the diameter of the first barrel. If all of the oil in...
[ "A)There is no empty capacity", "B)100 gallons", "C)300 gallons", "D)420 gallons" ]
D
Radius of first cylinder=r, diameter=2r, height=h Radius of second cylinder=2r, diamter=2d and height=2h Volume of first cylinder=pie (r^2)*h=60 Volume of second cylinder=pie(2r^2)2h Put the value of pie (r^2)*h=60 in the second cylinder,volume= pie (r^2)*4*2=60*8=480 gallons Empty capacity=420 gallons Answer D
openbookqa_133
openbookqa
What does harming an organism cause?
[ "change in appearance", "nothing", "population increase", "population decrease" ]
D
medmcqa_194
medmcqa
Acute hemorrhagic conjunctivitis is caused by ?
[ "Enterovirus 70", "Adenovirus", "Poliovirus", "Hepadnavirus" ]
A
Ans. is 'a' i.e., Enterovirus 70 Acute hemorrhagic conjunctivitis (AHC) may be caused by adenoviruses, but two enteroviruses, enterovirus 70 and coxsackie A24 variant, are the major causes.
openbookqa_2901
openbookqa
Iron sticks to
[ "a ceramic throne", "a fridge", "a vitamin", "a beanie baby" ]
B
qasc_2159
qasc
Bees are useful for what for plants?
[ "growth", "killing", "reproduction", "termination" ]
C
mmlu_aux_1597
mmlu_auxiliary
After an extra day in space,the crew of Discovery returned to Earth,landing at Edwards Air Force Base in California early on Tuesday morning.The shuttle and its crew spent two weeks in space,most of it aboard the International Space Station.It was the first flight of NASA's spaceshuttle fleet since February 2003,when t...
[ "Delivering supplies to the International Space Station.", "Conducting different spacewalks.", "Testing new repair techniques.", "Finding the cause why the shuttle Columbia came apart." ]
D
null
medmcqa_7437
medmcqa
In oogenesis, which of the following events occurs immediately following the completions of meiosis II?
[ "Degeneration of the zona pellucida", "Sperm penetration of the corona radiata", "Formation of a female pronucleus", "Appearance of the blastocyst" ]
C
The secondary oocyte is arrested in metaphase of meiosis II, and it will remain in this meiotic stage until feilization occurs. Following feilization, the secondary oocyte completes meiosis II, forming a mature ovum and a polar body. The nucleus of the mature ovum is called the female pronucleus, which fuses with the m...
arc_easy_1426
arc_easy
Which statement about all living organisms is true?
[ "They have limbs.", "They produce their own food.", "They breathe air.", "They have at least one cell." ]
D
aquarat_32491
aquarat
A school has 120, 192 and 144 students enrolled for its science, arts and commerce courses. All students have to be seated in rooms for an exam such that each room has students of only the same course and also all rooms have equal number of students. What is the least number of rooms needed?
[ "A)11", "B)19", "C)00", "D)27" ]
B
We have to find the maximum number which divides all the given numbers so that number of roots get minimized. HCF of 120,192 & 144 is 24. Each room have 24 students of the same course. Then rooms needed 12024+19224+1442412024+19224+14424 = 5 +8 + 6 = 19 Answer:B
aquarat_36807
aquarat
The annual budget of a certain college is to be shown on a circle graph. If the size of each sector of the graph is to be proportional to the amount of the budget it represents, how many degrees of the circle should be used to represent an item that is 40 percent of the budget?
[ "A) 15 °", "B) 144 °", "C) 54 °", "D) 90 °" ]
B
100 percent = 360 degrees 40 percent = 360*40/100 = 144 degrees Answer is B.
medmcqa_9248
medmcqa
Which of the following finding is suggestive of Bicornuate uterus
[ "Intercornual angle < 75°", "Diverging horns", "Intrafundal downward cleft < 1 cm", "Hysteroscopic resection is treatment" ]
B
All other options are suggestive of septate uterus.
aquarat_20973
aquarat
A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?
[ "A)11 days", "B)77 days", "C)15 days", "D)18 days" ]
C
B's 1 day work = (1/12 - 1/20) = 1/30 Now, (A + B)'s 1 day work = (1/20 + 1/60) = 1/15 So, A and B together will complete the work in 15 days. Answer:C
medmcqa_2654
medmcqa
The cells which lie outside blood testis barrier:
[ "Sertoli cells", "Spermatocyte", "Spermatid", "Leydig cells" ]
D
Ans. is d, i.e. Leydig cellsBlood testis barrier is formed by Sertoli cells which keeps the growing germ cells (its all stages) separated from blood.
mmlu_aux_4306
mmlu_auxiliary
The oldest and most common source of renewaBle energy known to man, Biomass is one of the most important forms energy production in the United States and elsewhere. Since such a wide variety of Biomass materials is everywhere ---- from trees and grasses to agricultural and city ---- life wastes ----Biomass promises to...
[ "Wind power would Be the leader of renewaBle energy.", "there was a rapid growth of electricity production", "Biomass might Become the main energy source", "0.5~0.9 of power supply came from Biomass" ]
A
null
qasc_8129
qasc
Chitin can be used for protection by whom?
[ "Fungi", "People", "Man", "Fish" ]
D
medmcqa_8134
medmcqa
Root value of intercostobrachial nerve is
[ "T1", "T2", "T3", "T4" ]
B
The intercostobrachial nerve is a lateral cutaneous branch of the second intercostal nerve that supplies sensation to the skin of the Axilla . It leaves the second intercostal space at the midaxillary line and subsequently pierces the serratus anterior muscle to enter the subcutaneous tissues of the axilla. The nerve m...
openbookqa_1186
openbookqa
insulation for the purposes of moving electrons involves
[ "conductor wrapped wire", "insulator wrapped insulator", "non coated metal", "insulation encompassed wire" ]
D
aquarat_18392
aquarat
Find the one which does not belong to that group ?
[ "A)372", "B)630", "C)287", "D)192" ]
B
Explanation: 30 = 33 + 3, 630 = 54 + 5, 10 = 23 + 2, 520 = 83 + 8 and 130 = 53 + 5. 30, 10, 130 and 520 can be expressed as n3 + n but not 630. Answer:B