id
string
dataset
string
question
string
options
list
answer
string
explanation
string
medmcqa_7969
medmcqa
All of the following are decrease in Nephrotic syndrome except -
[ "Transferrin", "Ceniloplasmin", "Fibrinogen", "Albumin" ]
C
aquarat_48954
aquarat
Twelve telegenic contestants with a variety of personality disorders are to be divided into two “tribes” of five members each, tribe A and tribe B, for a competition. How many distinct groupings of two tribes are possible?
[ "A)120", "B)126", "C)792", "D)1200" ]
C
My ans is 12C5 = 792 C
medmcqa_1270
medmcqa
Which of the following malignancy shows least lymph node involvement:
[ "Supraglottic", "Subglottic", "Glottic cancer", "Ca nasopharynx" ]
C
Ans: c (Glottic cancer) Ref: Dhingra, 3rd ed, p. 372; 4th ed, p. 286No lymphatics in vocal cords so nodal metastasis are practically never seen in cord lesions unless the disease spreads beyond the membraneous cord. SupraglottisGlottisSubglottisSiteEpiglottisAryepiglottic foldArytenoidVentricular bandsVentricles & sacc...
medmcqa_9951
medmcqa
Vossius ring occurs in
[ "Lens dislocation", "Concussion injury", "Penetrating injury", "Extra capsular extraction" ]
B
B i.e. Concussion injury
qasc_4478
qasc
what can a ground be used as?
[ "Metling snow", "energy", "protect them", "conductor" ]
D
arc_easy_372
arc_easy
At what temperature does pure water boil?
[ "0°C", "32°C", "100°C", "212°C" ]
C
medmcqa_7224
medmcqa
Intercourse in closely related individual in relation -
[ "Incest", "Adultery", "Bestiality", "Tribadism" ]
A
Ref:Textbook of forensic medicine and toxicology (V.V.Pillay) 17th edition, page no. 404 Incest is defined as natural sexual intercourse between two persons so closely related that they are forbidden by law to marry. Incest most frequently occurs between members of nuclear family, and the victim s are most often childr...
medmcqa_4531
medmcqa
The most common cuase of renal scarring in a 3 year old child is -
[ "Trauma", "Tuberculosis", "Vesicoureteral reflux induced pyelonephritis", "Interstitial nephritis" ]
C
Ans. is 'c' i.e., Vesicouretrial reflux induced pyelonephritis The small scarred kidney in childhood;. Risdon RA] `Reflux nephropathy is now a generally accepted term to describe small scarred kidneys discovered during childhood; it recognises the close association between this renal lesion and vesicoureteric reflux (V...
aquarat_19345
aquarat
The ratio of the volumes of two cubes is 729 : 343. What is the ratio of their total surface areas?
[ "A)81 : 49", "B)81 : 122", "C)81 : 124", "D)81 : 126" ]
A
Ratio of the sides = 3√729 : 3√343 = 9 : 7 Ratio of surface areas = 9^2 : 7^2 = 81 : 49 Answer: Option A
medmcqa_3412
medmcqa
Erythema nodosum is seen in all Except
[ "Salicylate poisoning", "Typhoid", "Tuberculosis", "Leprosy" ]
A
Drugs causing it are: Levofloxacin Medroxyprogesterone Minocycline Naproxen OC Penicillin Phenytoin Trimethoprim Sulfasalazine Sulphonamides *Erythema nodosum is a skin condition where red lumps appear on the shins and less commonly forearms and thighs. Often it may be the first sign of a systemic disease such as tuber...
aquarat_38720
aquarat
Look at this series: 7, 10, 8, 11, 9, 12, 10, 13, 11, 14, 12, ... What number should come next?
[ "A)12", "B)13", "C)14", "D)15" ]
D
This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted. The answer is D.
medmcqa_5417
medmcqa
Delirium & dementia can be differentiated by?
[ "Loss of memory", "Apraxia", "Delusion", "Altered sensorium" ]
D
ANSWER: (D) Altered sensoriumREF: Kaplan & Sadock's Synopsis of Psychiatry 10th ed chapter-10Repeat Psychiatry 2013 Session 1, June 2010
medmcqa_2150
medmcqa
Operation of choice in GERD is
[ "Highly selective vagotomy", "Fundoplication", "Hellers myotomy", "Gastrectomy" ]
B
Operations for GORD are based on the creation of an intra-abdominal segment of oesophagus, crural repair and some form of wrap of the upper stomach (fundoplication) around the intra-abdominal oesophagus.Nissen fundoplication is one of the commoner procedures done.Ref: Bailey and Love 27e pg: 1078
medmcqa_2416
medmcqa
Chemoreceptor Trigger Zone is:
[ "Pons", "Lateral hypothalamus", "Ventral hypothalamus", "Area postrema" ]
D
Area postrema
medmcqa_2449
medmcqa
Bleuler's symptoms for schizophrenia are all except
[ "Loosening of association", "Affect disturbances", "Autism", "Hallucinations" ]
D
Eugen Bleuler's Fundamental Symptoms of Schizophrenia (Also called as 4 A's of Bleuler) 1. Ambivalence: Marked inability to decide for or against 2. Autism: Withdrawal into self 3. Affect disturbances: Disturbances of affect such as inappropriate affect 4. Association disturbances: Loosening of associations; thought di...
mmlu_aux_1845
mmlu_auxiliary
NASA is moving ahead with plans to put a long-armed Lander on Mars' icy North Pole to search for clues for water and possible signs of life. The $386 million Phoenix Mars is planned to touch down in the Martian arctic in 2008. The stationary probe will use its robotic arm to dig into the icy land and pick up soil sampl...
[ "clues of water will be found in Phoenix", "Phoenix will be sent to find clues of water on Mars", "August 2007 will see Phoenix lift off", "the Mars Scout program will be carried out" ]
B
null
mmlu_aux_3614
mmlu_auxiliary
You probably know that frogs hop ( ). But did you know that there's a small frog in the Pacific Northwest that bellyflops ? It's called a tailed frog. Dr.Rick Essner, who has been studying tailed frogs for the past few years, says, " I've looked at thousands of jumps and have never seen them land on their feet like ot...
[ "jump into the water for protection", "hop around quickly", "hide in the green plants near the river", "jump into the rock" ]
A
null
mmlu_aux_1581
mmlu_auxiliary
The canopy, the upper level of the trees in the rain forest, holds too much of climbing mammals of moderately large size, which may include monkeys, cats, civets, and porcupines. Smaller species, including such as nice and small squirrels, are not as common overall in high tropical canopies as they are in most habita...
[ "How is the rain forest different from other habitats?", "How does an animal's body size influence an animal's need for food?", "Why does rain forest provide an unusual variety of food for animals?", "Why do large animals tend to dominate the upper canopy of the rain forest?" ]
D
null
mmlu_aux_2518
mmlu_auxiliary
Do you know why different animals or pests have their special color1s? Their color1s in them seem to be used mainly to protect themselves. Some birds like eating locusts , but birds cannot easily catch them. Why? It is because locusts change their color1s together with the change of the color1s of crops . When cro...
[ "Because it is very strong.", "Because the liquid it sends out can help it escape from its enemies.", "Because the liquid it sends out can kill its enemies.", "Because it swims faster than any other fish." ]
B
null
medmcqa_7642
medmcqa
V. cholera is able to stay in GIT because of ?
[ "Acid resistance", "Bile resistance", "Motility", "Binds to specific receptors" ]
C
Ans. is 'c' i.e., Motility
mmlu_aux_372
mmlu_auxiliary
Which of the following causes a ship's iron anchor to sink to the ocean floor when it is released overboard?
[ "chemical forces", "gravity", "magnetism", "nuclear forces" ]
B
null
qasc_3393
qasc
After fertilization and undergoing cell division a gamete becomes a(n)?
[ "Embryo", "grow", "RNA", "propagate" ]
A
qasc_4552
qasc
Where do plants store water?
[ "watershed", "Collagen", "excretory", "trunks" ]
D
medmcqa_3246
medmcqa
Most common site of disc prolapse in lumbar spine is
[ "L2-3", "L3-4", "L4-5", "L5-S1" ]
C
Ans. is 'c' i.e., L4-5 Prolapsed intervertebral disc:* Herniation of intervertebral disc is a common cause of combined back pain and sciatica (Pain in back with radiation to lower limb). Prolapsed intervertebral disc is often precipitated by injury, but it may also occur in the absence of any remembered injury.* The si...
medmcqa_9438
medmcqa
Cullen's sign is seen in
[ "Acute cholecystitis", "Acute pancreatitis", "Acute hemorrhagic pancreatitis", "Blunt injury abdomen" ]
C
Signs indicative of retroperitoneal bleeding in severe pancreatitis Flank ecchymosis - Grey Turner sign Periumbilical ecchymosis- Cullen's sign Inguinal ecchymosis - Fox sign Ref: Sabiston 20th edition Pgno : 1527
qasc_6508
qasc
plants roots associate with bacteria in where
[ "growth", "soil", "moss", "tissue" ]
B
mmlu_aux_3789
mmlu_auxiliary
Mars Was Not Always Bitterly Cold Scientists at the California Institute of Technology (Caltech) have reported evidence that Mars was warmer and wetter long ago than it is today. The Caltech scientists say they have directly _ the temperature of Mars four billion years ago. At least, they established the surface tempe...
[ "From its original place on Mars.", "From where it was found on the earth.", "From the name of the scientist who found it.", "From the name of the aircraft that discovered it" ]
B
null
medmcqa_5576
medmcqa
Most common cause of intracranial haemorrhage is -
[ "Sub arachnoid haemorrhage", "Intracerebral haemorrhage", "Subdural haemorrhage", "Extradural haemorrhage" ]
B
qasc_2890
qasc
Mammals are
[ "animal transport", "Heterotrophs", "parasites", "fur and fat" ]
B
aquarat_47846
aquarat
In a room there are 10 people. Each shake hands with every other person. How many hand shakes?
[ "A)50", "B)62", "C)75", "D)45" ]
D
Any pair of person = 10C2 = 10!/8!*2! = 45 Answer is D
medmcqa_4494
medmcqa
Extrapyramidal side effects of antipsychotics -a) Dystoniab) Akathisiac) Seizuresd) Diarrheae) Parkinsonism
[ "abc", "bcd", "abe", "acd" ]
C
Extrapyramidal side effects of antipsychotics Extrapyramidal side effects are the major dose limiting side effects of antipsychotics. Maximum extrapyramidal side effects are seen with haloperidol. Least extrapyramidal side effects are seen with clozapine (amongst all antipsychotics). Among typical antipsychotics, thi...
mmlu_aux_3196
mmlu_auxiliary
Why did the chicken cross the road? To get to the other side. Most people know this joke. But recently, some people have been much more worried about how the grizzly bear and mountain lion can cross the road. " Millions of animals die each year on the U. S. roads, " the Federal Highway Administration reports. In fact, ...
[ "animals begin to realize the danger on the road", "animals begin to learn to use eco-passages", "animals are crossing the road in groups", "animals are becoming safer" ]
B
null
arc_easy_1267
arc_easy
Which is a quick process that can form new land near an ocean?
[ "earthquake", "landslide", "volcano erupting", "weathering from waves" ]
C
medmcqa_743
medmcqa
All of the following features are seen in the viral pneumonia except:
[ "Presence of interstitial inflammation", "Predominance of alveolar exudate", "Bronchiolitis", "Multinucleate giant cells in the bronchiolar wall" ]
B
Typical Pneumonia Atypical pneumonia -Bacterial etiology -Alveolar exudate + neutrophilic infilitration -C/F - High grade fever productive Cough Pleuritis Signs of consolidation -Non - bacterial etiology (e.g. Virus) -Interstitial tissue inflammation -C/F- Low grade fever Dry cough Malaise no signs of consolidation
medmcqa_4588
medmcqa
The kidney stone whose development is seen most commonly is:-
[ "Calcium oxalate", "Triple phosphate", "Uric acid", "Cysteine" ]
A
Commonest stone seen in in kidney - Calcium oxalate Other types of kidney stones : Triple phosphate - Ca, NH4+ ,MgP04 Uric acid Cysteine stones
aquarat_22663
aquarat
If the letters of the word PLACE are arranged taken all at a time, find how many do not start with AE
[ "A)110", "B)112", "C)114", "D)118" ]
C
Total no'of arrangements 5P5 = 5! = 120 no'of arrangements start with AE = 1 × 6 = 6 no'of arrangements which do not start with AE = 120 - 6 = 114. C
aquarat_41324
aquarat
A triangle has three angles all with the same ratio to each other, 1:1:1. What is the angle measurement?
[ "A)45°", "B)60°", "C)75°", "D)90°" ]
B
If the ratio is 1:1:1, and the total angle measurement is 180°, then the equation is x + x + x = 180° 3x = 180° x = 60° Therefore the answer is 60° or B.
aquarat_26778
aquarat
An oil cylinder was 3/4th full. When two bottles of oil is poured into it, it is 4/5th full. How many bottles of oil can the full cylinder hold?
[ "A)20", "B)15", "C)40", "D)30" ]
C
(4/5 -3/4) cylinder is filled by 2 bottles 0.8 -0.75 = 0.05 cylinder is filled by 2 bottles 1 cylinder is filled by 2/0.05 = 40 bottles ANSWER:C
aquarat_45111
aquarat
If 20 men can build a wall 66 meters long in 6 days, what length of a similar can be built by 86 men in 8 days?
[ "A)49", "B)39", "C)29", "D)19" ]
A
Let the required length be x meters More men, More length built (Direct Proportion) Less days, Less length built (Direct Proportion) Men 20: 35 Days 6: 3 : : 56 : x Therefore (20 x 6 x x)=(35 x 3 x 56)= x=(35 x 3 x 56)/120=49 Hence, the required length is 49 m. Answer is A.
aquarat_29601
aquarat
A relay has a series of 5 circuits in a line. The even-numbered circuits are control circuits; the odd are buffer circuits. If both a control circuit and the buffer circuit immediately following it both fail in that order, then the relay fails. The probability of circuit one failing is 3/8; circuit two, 1/8; circuit th...
[ "A)9/80", "B)3/10", "C)261/800", "D)35/80" ]
C
The first circuit doesn't matter. Prob(relay fails) = 1 - Prob(relay succeeds) Prob(2+3 work) = 1 - 3/80 = 77/80 Prob(4+5 work) = 1 - 3/10 = 7/10 Prob(relay fails) = 1 - Prob(2+3 work AND 4+5 work) = 1 - (77/80)(7/10) = 1 - 539/800 = 261/800 C
arc_easy_2061
arc_easy
Which of the following is the best estimate of the number of stars in a typical galaxy?
[ "tens", "hundreds", "thousands", "billions" ]
D
mmlu_aux_2527
mmlu_auxiliary
Elephants are the largest land animals and they need plenty of living space. They have seasonal migration routes. As human populations rise, elephant land is being cleared for agriculture and other kinds of development. When animals are effectively trapped on small areas of land, it restricts the gene pool and also ...
[ "farmers have difficulty in protecting their field because no walls can stop an adult elephant.", "if the government could help solve poverty, there would be less killing of elephants.", "only male elephants in Africa have tusks as long as 3 meters.", "since there is not enough room for a growing elephant pop...
B
null
qasc_8115
qasc
a graduated cylinder is used to measure what?
[ "density", "liquid meters", "liquid pounds", "liquid ounces" ]
D
medmcqa_9849
medmcqa
Following is transmitted as autosomal dominant disorder-
[ "Albinism", "Sickle cell anemia", "Hereditary spherocytosis", "Glycogen storage disease" ]
C
Ans. is 'c' i.e., Hereditary spherocytosis Hereditary spherocytosis is an autosomal dominant disorder. o Other three disorders (given in question) are autosomal recessive.
openbookqa_1317
openbookqa
What does a hand dryer produce?
[ "growth", "money", "carbs", "hotness" ]
D
aquarat_8854
aquarat
Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Kim?
[ "A)77", "B)60", "C)99", "D)26" ]
B
Kim's wages : David's wages = Kim's 1 day work : David's 1 day work = 1/3 : 1/2 = 2:3 Kim's share = 2/5 * 150 = Rs. 60 Answer: B
mmlu_aux_2939
mmlu_auxiliary
All across California, honeybees are flying away from their hives and dying. Empty hives are causing a lot of worry about some important food crops. Bees give us a lot more than delicious honey. They are pollinators --they enable plants to produce the fruits and nuts we enjoy by carrying pollen from one plant or flowe...
[ "Poisons to kill birds.", "Eating too much.", "Large insects.", "Some virus." ]
D
null
medmcqa_600
medmcqa
Incomplete closure of palpebral apeure is called: March 2004
[ "Lagophthalmos", "Chalazion", "Entropion", "Ectropion" ]
A
Ans. A i.e. Lagophthalmos
qasc_4575
qasc
A generator converts
[ "atoms into fire", "electron transport", "Help plants grow", "kinetic energy into light" ]
D
arc_challenge_762
arc_challenge
Which group consists only of living things?
[ "rabbit, seed, bird", "seed, bird, wind", "Volcano, candle, rabbit", "wind, candle, volcano" ]
A
arc_challenge_634
arc_challenge
Which fact about water is an example of a chemical property?
[ "Water expands when it freezes.", "The boiling point of water is 100ºC.", "Water can separate into hydrogen and oxygen.", "The density of water is greater than the density of ice." ]
C
medmcqa_7714
medmcqa
True about cross section study-
[ "Prevalence study", "Useful for chronic disease", "Simple study", "All of the above" ]
D
Ans. is 'd' i.e., All of the above Cross - sectional studieso Cross sectional study is the simplest form of an observational study.o It is also known as prevalence study.o It is based on a single examination of a cross - section of population at one point of timeo Results of this examination can be projected on the who...
aquarat_39866
aquarat
Two cyclist start on a circular track from a given point but in opposite direction with speeds of 7m/s and 8m/s. If the circumference of the circle is 180meters, after what time will they meet at the starting point?
[ "A)20sec", "B)12sec", "C)30sec", "D)50sec" ]
B
They meet every 180/7+8 = 12sec Answer is B
qasc_6222
qasc
What are molecules that the defense system recognizes as foreign to the body?
[ "Allergies", "lungs", "antigens", "bacteria" ]
C
qasc_3881
qasc
What if 2 are crossed with recessive traits causes their offspring to have that recessive trait?
[ "Crosswalks", "Swords", "heterotrophs", "Organisms" ]
D
mmlu_aux_3175
mmlu_auxiliary
The Red Panda isn't much bigger than an average size house cat. At first you may think it's a bear because of its name. They're actually a member of the raccoon family which you can tell if you look at their appearance. The Red Panda has a long bushy tail that is useful in two ways. It helps them stay balanced when th...
[ "The Red Panda can only be found in India, Nepal and Southern China.", "The Red Panda's tail can help it stay balanced when it is high up in the trees.", "The Red Panda eats the whole of the bamboo.", "The Red Panda has high metabolic rate when the temperature is low." ]
B
null
medmcqa_2730
medmcqa
Xylitol affects the MS stains by:
[ "Reduced adhesion are seen.", "Less virulence properties are seen.", "Less acid production are seen.", "Anyone of the above." ]
D
aquarat_13904
aquarat
Carina has 130 ounces of coffee divided into 5- and 10-ounce packages. If she has 2 more 5-ounce packages than 10-ounce packages, how many 10-ounce packages does she have?
[ "A)5", "B)6", "C)7", "D)8" ]
D
Lets say 5 and 10 ounce packages be x and y respectively. Given that, 5x+10y=130 and x=y+2. What is the value of y. Substituting the x in first equation, 5y+10+10y=130 ->y=120/15.=8 D
qasc_3702
qasc
What does an animal require food for?
[ "hydration", "to grow and heal", "for cold", "aerobic capacity" ]
B
mmlu_aux_2301
mmlu_auxiliary
It is not always easy to understand inventions and new developments in science. To understand fiber optics , however, you can try an experiment. Put a drop or two of milk into the glass of water. Turn off the lights. Shine the light from your flashlight through the top of the glass at an angle of about 45 degrees. Pu...
[ "Experiment of Light Travel", "Principles of Fiber Optics", "Communication on Fiber Optics", "Theory of Light Travel" ]
B
null
medmcqa_1953
medmcqa
Which is not a common enzyme for glycolysis and gluconeogenesis?
[ "Aldolase", "Glucose-6-phosphatase", "Phosphoglycerate mutase", "Phosphoglycerate kinase" ]
B
Seven of the reactions of glycolysis are reversible and are used in the synthesis of glucose by gluconeogenesis. Thus, seven enzymes are common to both glycolysis and gluconeogenesis : (i) Phosphohexose isomerase; (ii) Aldolase; (iii) Phosphotriose isomerase, (iv) Glyceraldehyde 3-phosphate dehydrogenase; (v) Phosphogl...
aquarat_5127
aquarat
Five people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased by:
[ "A)7/8", "B)1/8", "C)1/4", "D)1/7" ]
C
Original share of 1 person =1/5 New share of 1 person =1/4 Increase =1/4 - 1/5 =1/20 Required fraction = (1/20)/(1/5)=1/4 Answer is C.
medmcqa_2397
medmcqa
True about H. mole:a) Complete mole seen in human onlyb) Trophoblastic proliferationc) Hydropic degenerationd) Villus pattern absent
[ "a", "bc", "ac", "ad" ]
B
H mole: Microscopically: It is characterised by : Marked proliferation of the syncytial and cytotrophoblastic epithelium. Thinning of the stromal tissue due to hydropic degeneration (edema of villous stroma). Avascular villi. Maintenance of villus pattern. Absence of villus pattern is characteristic of choriocarcinom...
aquarat_2790
aquarat
Sachin can cover a distance in 1hr 24 min by covering 2/3 of the distance at 4 kmph and the rest at 5 kmph. The total distance is?
[ "A)6 km", "B)8 km", "C)9 km", "D)11 km" ]
A
Let total distance =D=D Distance travelled at 4 kmph speed =(23)D=(23)D Distance travelled at 5 kmph speed =(1−23)D=(13)D=(1−23)D=(13)D Total time =1 hr 24 min = (60+24) min =8460=8460 hr =2115=2115 hr We know, Time=DistanceSpeedTime=DistanceSpeed Total time 2115=2/34D+1/35D2115=2/34D+1/35D 2115=2D12+D152115=2D12+D15 8...
qasc_5395
qasc
what can cause an important symbol to the Navajo people?
[ "density", "energy of moving objects", "sunlight and rain", "volume" ]
C
aquarat_7114
aquarat
In a certain pet shop, the ratio of dogs to cats to bunnies in stock is 4 : 7 : 9. If the shop carries 364 dogs and bunnies total in stock, how many dogs are there?
[ "A)42", "B)66", "C)98", "D)112" ]
D
Let us assume the number of dogs, cats and bunnies to be 4x, 7x and 9x Total dogs and bunnies = 13x. And we are given that 13x = 364. Hence x = 28. Dogs = 4x = 4*28 = 112 (Option D)
aquarat_3137
aquarat
8900 ÷ 6 ÷ 4 = ?
[ "A)370.837", "B)370.835", "C)370.832", "D)370.833" ]
D
Explanation: Given Exp. 8900 * 1/6 * 1/4 = 370.833 ANSWER: D
aquarat_23200
aquarat
A room 5.44m long and 3.74m broad is to be paved with square tiles. The least number of square tiles required to cover the floor is:
[ "A)176", "B)192", "C)184", "D)162" ]
A
Area of the room= 544*374 sq.cm Size of largest square tile= HCF of 544 cm & 374cm Area of 1 tile= 34*34 sq.cm Therefore, number of tiles= (544*374/34*34)= 176 ANSWER:A
medmcqa_3025
medmcqa
Upper limb deformity in Erb's palsy -
[ "Adduction and lateral rotation of arm", "Adduction and medial rotation of arm", "Abduction and lateral rotation of arm", "Abduction and medial rotation of arm" ]
B
Ans. is 'b' i.e., Adduction and medial rotation of arm Clinical features of Erb's palsy A) Muscles paralyzed: Mainly biceps brachii, deltoid, brachialis and brachioradialis. Partly supraspinatus, infraspinatus and supinator. B) Deformity (position of the limb) i) Arm : Hangs by the side; it is adducted and medially rot...
aquarat_34233
aquarat
At present, the ratio between the ages of Arun and Deepak is 4:2. After 6 years, Arun's age will be 26 years. What is the age of Deepak at present?
[ "A)10 years", "B)15 years", "C)18 years", "D)12 years" ]
A
Let the present ages of Arun and Deepak be 4x and 2x years respectively. Then, 4x + 6 = 26 => x = 5 Deepak's age = 2x = 10 years. Answer:A
aquarat_49616
aquarat
Two tains of equal lengths take 10 seconds and 12 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time (in seconds) will they cross each other travelling in opposite direction?
[ "A)12", "B)14", "C)10.9", "D)20" ]
C
Sol. Speed of the first train = [120 / 10] m/sec = 12 m/sec. Speed of the second train = [120 / 12] m/sec = 10 m/sec. Relative speed = (12 + 10) = m/sec = 22 m/sec. ∴ Required time = (120 + 120) / 22 secc = 10.9 sec. Answer C
arc_easy_1363
arc_easy
Some plant cells are coated in a waxy layer that prevents water loss. This specialization is found in which plant cells?
[ "internal stem cells", "internal root cells", "cells on the plant surface", "cells in the plant reproductive system" ]
C
medmcqa_7503
medmcqa
Most common site of lentigo maligna subtype of malignant melanoma is ?
[ "Palms & soles", "Trunk", "Face", "Buttocks" ]
C
Most common site of lentigo maligna subtype of malignant melanoma is face- Hutchinson's melanotic freckle. It is more common in elderly women. It ia slow growing, variegated, brown macule/ lentigo; also seen in neck and hands. Reference : page 295-96 SRB's manual of surgery 5th edition
medmcqa_7830
medmcqa
The deltoid ligament is a strong ligament. It is attached to all of the following structures, EXCEPT?
[ "Medial malleolus", "Medial cuneiform", "Spring ligament", "Sustentaculum tali" ]
B
Medial collateral ligament (deltoid ligament) attaches to the medial malleolus of the tibia and the navicular, talus, and calcaneus bones. This ligament prevents medial distraction (eversion) and excessive range of motion. It is subdivided into four pas:Tibionavicular pa attaches the margin of the plantar calcaneonavic...
qasc_3853
qasc
What is caused by a reduction of a hormone that helps cells absorb sugar from the blood?
[ "Dehydration", "anemia", "diabetes", "glucose" ]
C
medmcqa_8564
medmcqa
Stapedius muscle is supplied by:
[ "5th nerve", "6th nerve", "7th nerve", "8th nerve" ]
C
(7th nerve): Ref: 225-LT (91-D 4th)STAPEDIUS MUSCLE - after emerging from the pyramid, is inserted into the neck of the stapes* It has an action of damping the movement of the stapes by tilting outwards the anterior end of the foot plate.* Supplied by facial nerveTENSOR TYMPANI MUSCLE - arise from the cartilaginous par...
aquarat_42
aquarat
A person can walk at a constant rate of 8mph and can bike at a rate of 16mph. If he wants to travel 64 miles in 8 hours using bike and walking at their constant rates, how much distance would he require to walk?
[ "A)20", "B)30", "C)48", "D)64" ]
D
Total distance = 64 Distance = Speed * Time Walking speed = s1 = 8 Walking time = t1 Bike speed = s2 = 16 Time traveled in bike = t2 d1 + d2 = 64 s1t1 + s2t2 = 64 8*t1 + 16*t2 = 64 t1 + 2*t2 = 8 ----- (1) Given: t1 + t2 = 8 ----- (2) (1) - (2) --> t2 = 0 and t1 = 8 - 0 = 8 Walking distance = s1*t1 = 8*8 = 64 Answer: D
medmcqa_9974
medmcqa
Most common method of radiation dose delivery is:
[ "Teletherapy", "Electron beam", "Brachytherapy", "Radio immunotherapy" ]
A
Teletherapy REF: therapy, "External radiation therapy (also known as Teletherapy) is the most common kind of radiation therapy"
medmcqa_9054
medmcqa
Which of the following are NOT associated with complex tongue thrusting activity?
[ "Naso-respiratory distress", "Contraction of the teniporalis muscle", "Contraction of the mentalis and lower lip during swallow", "Absence of contact of teeth during swallow" ]
B
arc_easy_611
arc_easy
Soda water is a liquid that has bubbles of carbon dioxide in it. Which term best describes soda water?
[ "a mixture", "a molecule", "an element", "a compound" ]
A
aquarat_6481
aquarat
A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is
[ "A)250", "B)276", "C)280", "D)285" ]
D
Sol. Since the month begins with a Sunday, so there will be five Sundays in the month. ∴ Required average = [510 x 5 + 240 x 25 / 30] = 8550 / 30 = 285 Answer D
mmlu_aux_4943
mmlu_auxiliary
Monarch butterflies from eastern Canada make the most amazing journey in the insect world. Each year, this butterfly travels about 3000miles to its winter home in central Mexico . How can it fly so far? And why does it make this long and dangerous trip? Scientists still don't have an answer. For many years, people in M...
[ "Family of Monarch butterflies", "Mystery of Monarch butterflies", "Monarch butterflies' birthplace", "Monarch butterflies' winter home" ]
B
null
aquarat_22538
aquarat
Excluding stoppages, the speed of a bus is 54 km/hr and including stoppages, it is 45 km/hr. For how many minutes does the bus stop per hour?
[ "A)15 min", "B)10 min", "C)17 min", "D)20 min" ]
D
D 10 min Due to stoppages, it covers 9 km less. Time taken to cover 9 km = 9/54 * 60 = 10 min.
openbookqa_834
openbookqa
A person with a vitamin D deficiency who is allergic to sunlight could
[ "look at pictures", "drink more water", "bathe more often", "eat more cheese" ]
D
aquarat_29036
aquarat
At the end of three years what will be the compound interest at the rate of 10% p.a. on an amount of Rs.20000?
[ "A)6620", "B)1879", "C)2779", "D)2672" ]
A
A = 20000(11/10)3 = 26620 = 20000 ---------- 6620 Answer: A
arc_easy_781
arc_easy
Which tool is used to measure the diameter of a dime?
[ "ruler", "beaker", "balance", "compass" ]
A
qasc_5632
qasc
What might fall on land may soak into the ground, becoming groundwater?
[ "river", "floods", "Rocks", "Hail" ]
D
medmcqa_3129
medmcqa
Most common malignancy in AIDS is: March 2011
[ "Kaposi sarcoma", "Hodgkins lymphoma", "Leukemia", "Multiple myeloma" ]
A
Ans. A: Kaposi sarcoma The neoplastic diseases clearly seen with an increased frequency in patients with HIV infection are Kaposi sarcoma and non-Hodgkin's lymphoma
aquarat_26837
aquarat
A train running at the speed of 58 km/hr crosses a pole in 9 sec. What is the length of the train?
[ "A)145 m", "B)786 m", "C)566 m", "D)546 m" ]
A
Speed = 58 * 5/18 = 145/9 m/sec Length of the train = speed * time = 145/9 * 9 = 145 m Answer: A
openbookqa_1468
openbookqa
A pond that has gallons of water dumped in it daily will
[ "dry", "grow", "drain", "shrink" ]
B
aquarat_36344
aquarat
The pilot of a small aircraft with a 40-gallon fuel tank wants to fly to Cleveland, which is 520 miles away. The pilot recognizes that the current engine, which can fly only 8 miles per gallon, will not get him there. By how many miles per gallon must the aircraft’s fuel efficiency be improved to make the flight to Cle...
[ "A)5", "B)4", "C)12", "D)40" ]
A
Actual miles/gallon is = 520/40 = 13 miles/gallon. Current engine miles/gallon is 8 miles/gallon. Additional 5 miles/gallon is required to match the actual mileage. IMO option A.
openbookqa_2597
openbookqa
Rubber will keep
[ "heat from spreading", "Balls from bouncing", "Wheels from rolling", "pucks from sliding." ]
A
medmcqa_3714
medmcqa
Which of the following type of cell is concerned with the production of surfactant?
[ "Type I Pneumocytes", "Type II Pneumocytes", "Alveolar macrophages", "Clara cells" ]
B
Pulmonary surfactant composed of myelin and lecithin is mainly secreted continuously by Type II pneumocyte beginning from 20th week of gestation. Also Know: Surfactant has both lipid (90%) and protein (10%) component. About half of the lipids are dipalmitoylphosphatidylcholine and the remaining are phosphatidylglycerol...
arc_easy_1892
arc_easy
Which is the best example of evaporation?
[ "raindrops freezing", "an ice cube melting", "a puddle drying in the sun", "a sponge soaking up water" ]
C
qasc_4711
qasc
Where do rays enter the eye?
[ "glass", "Summer", "pupil", "lenses" ]
C
qasc_7951
qasc
what does bottled water have none of?
[ "energy barrier", "cloudy and rainy weather", "harmful substances", "layers of fat" ]
C
medmcqa_5179
medmcqa
Leaving (or forgetting) an instrument or sponge in the abdomen of the patient during a surgery and closing operation is:
[ "Contributory negligence", "Civil", "Corporate negligence", "Criminal negligence" ]
D
Ans. d (Criminal negligence). (Ref. Textbook of FMT by Parikh 6th ed. 1.46)Contributory negligencea common law defence to a claim or action. It applies to a situation where a plaintiff claimant has, through their own negligence, caused or contributed to the injury they suffered. For example where a pedestrian crosses a...
medmcqa_5510
medmcqa
Hep-2 cells are a type of-
[ "Primary cell cultures", "Diploid cell strain", "Continuous cell lines", "Explant culture" ]
C
Ans. is 'c', i.e. Continous cell lines
medmcqa_8054
medmcqa
Antihelminthic also acting as immunomodulator is :
[ "Albendazole", "Levamisole", "Mebendazole", "Piperazine" ]
B
medmcqa_3630
medmcqa
Schiller-Duval bodies are seen in-
[ "Teratoma", "Seminoma", "Yolk sac tumour", "Chorio Carcinoma" ]
C
Yolk sac tumor of the testis: Raised a-fetoprotein level (AFP). Schiller-Duval bodies. Schiller-Duval body: It is the characteristic feature of the endodermal sinus tumor. This is a glomerulus-like structure composed of a central blood vessel enveloped by germ cells within a space lined by germ cells. Endodermal sinus ...