id
string
dataset
string
question
string
options
list
answer
string
explanation
string
arc_easy_2156
arc_easy
The Davis Mountains in West Texas used to be taller than they are now. Which of the following conditions most likely caused the mountains to become shorter over time?
[ "Heat and pressure", "Soil deposition", "Rain and wind", "River formation" ]
C
medmcqa_3149
medmcqa
Apple jelly nodules on the nasal septum are found in cases of ?
[ "Tuberculosis", "Syphilis", "Lupus Vulgaris", "Rhinoscleroma" ]
C
Ans. is 'c' i.e., Lupus vulgaris Lupus vulgaris It is an indolent and chronic form of tuberculous infection. Female to male ratio is 2:1. Most common site is the mucocutaneous junction of the nasal septum, the nasal, vestibule and the ala. Characteristic Feature is the presence of apple- jelly nodules (Brown gelatinous...
qasc_1418
qasc
Cell division is more complex in organisms with what?
[ "Chemical energy", "Earth orbiting the Sun", "Electrical energy", "faster movement" ]
D
qasc_1664
qasc
What of lipids may contain other molecules as well?
[ "empty spaces", "big spaces", "building blocks", "small parts" ]
C
medmcqa_9552
medmcqa
Oedipus complex has been described by -
[ "Plato", "Socartes", "Freud", "Huxley" ]
C
Oedipus complex is described by Freud in psychosexual stages of development.
medmcqa_4105
medmcqa
Aspirated synol fluid in septic ahritis will have?
[ "Clear color", "High viscosity", "Markedly increased polymorphonuclear leukocytes", "None of the above" ]
C
Ans. is 'c' i.e., Markedly increased polymorphonuclear leukocytes
pubmedqa_760
pubmedqa
Is Bare-Metal Stent Implantation Still Justifiable in High Bleeding Risk Patients Undergoing Percutaneous Coronary Intervention?
[ "yes", "no", "maybe" ]
A
aquarat_9026
aquarat
An article was sold after a discount of 20% and therewas a gain of 20%. If the profit madeon it was Rs.6 less thanthe discount offered on it, find its SP?
[ "A)Rs. 22", "B)Rs. 65", "C)Rs. 70", "D)Rs. 72" ]
C
Let CP = Rs. 100x SP = Rs. 120x MP = 120x/80 * 100 = Rs. 150x D = Rs. 150x - Rs. 120x = Rs. 30x D - P = 30x - 20x = Rs. 6, 10x = Rs. 6 120x = 120/10 * 6 = Rs. 72 C
mmlu_aux_4514
mmlu_auxiliary
Research led by UK and Australian scientists sheds new light on the role that our ancestors played in the extinction of Australia's prehistoric animals. The new study provides the first evidence that Tasmania's giant prehistoric animals were still living on the island when humans first arrived. The findings suggest...
[ "Giant prehistoric animals found in Tasmania", "Climate change and human activities", "Humans involved in prehistoric animals' extinction", "Roles of climate change and human activities" ]
C
null
aquarat_27259
aquarat
A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?
[ "A)1350", "B)2999", "C)2772", "D)2672" ]
A
Area = (l + b +2d) 2d = (75 + 55 +2.5 * 2) 2*2.5 => 675 675 * 2 = Rs.1350 Answer:A
mmlu_aux_8073
mmlu_auxiliary
if a plant shows up in a new place, what might have happened?
[ "the plant is able to relocate itself", "it spontaneously appeared there", "it walked to the new place", "its cased embryo have been dispersed" ]
D
null
qasc_4929
qasc
what changes the amount of daylight?
[ "converting electricity to heat", "the sun increasing", "fall moving to winter", "The bending of a ray of light" ]
C
aquarat_32224
aquarat
On a trip covering 250 km, a bicyclist travels the first 100 km at 20 km per hour and the remainder of the distance at 15 km per hour. What is the average speed, in km per hour, for the entire trip?
[ "A)15.8", "B)16.3", "C)16.7", "D)17.2" ]
C
time 1 = 100 / 20 = 5 hours time 2 = 150 / 15 = 10 hours total time = 15 hours average speed = 250 / 15 = 16.7 km/hr The answer is C.
aquarat_16208
aquarat
7^6n -1^ 6n When n is an integer > 0 is divisible by
[ "A)112", "B)127", "C)134", "D)154" ]
B
127 B
arc_easy_1450
arc_easy
In 1976, the Viking I Lander was sent to Mars to analyze atmospheric gases and soil samples. The Viking I Lander was most likely a
[ "space probe.", "space shuttle.", "lunar module.", "natural satellite." ]
A
medmcqa_5791
medmcqa
Agoraphobia is -a) Fear of open spacesb) Fear of closed specesc) Fear of heightsd) Fear of crowded places
[ "b", "c", "ad", "ab" ]
C
Formerly the term agoraphobia was used to denote phobias of open spaces alone but it is now used in a wider sence, i.e. irrational fear of places and situations from where escape might be difficult. Such places are public places, stores, crowd, travelling alone in bus, train or plane or in lift.
qasc_4988
qasc
What do aphids use to detect sound?
[ "antennae", "electricity", "sonar", "Energy" ]
A
openbookqa_1810
openbookqa
Which of the following relationships is true?
[ "Play-Doh can scratch diamond, therefore it is softer", "Diamond can scratch Play-Doh, therefore Play-Doh is harder", "Diamond can scratch Play-Doh, therefore diamond is harder", "Play-Doh can scratch diamond, therefore it is harder" ]
C
mmlu_aux_2170
mmlu_auxiliary
A New Headphone The answer to a very great noise may not be blocking it out with earplugs but taking that noise and bearing it as its own game. Earplugs have been the simple but effective way to stop noise affecting your mind, but their shortcoming is that they also block out sounds you may want or need to hear, su...
[ "To wear an earplug.", "To wear a headphone.", "To wear a microphone.", "To wear electronics." ]
B
null
aquarat_10204
aquarat
Pipes A and B can fill a cistern in 8 and 56 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?
[ "A)13", "B)14", "C)16", "D)18" ]
B
: 1/8 + 1/56 = 1/7 7 * 2 = 14.Answer:B
aquarat_15592
aquarat
Each day, Jane swims a certain number of lengths. On day 1, she swims 8 lengths. Each day, she swims 8 more lengths than the day before. What is the average number of lengths she swims each day in the first week?
[ "A)8", "B)16", "C)32", "D)34" ]
C
=8 + 16 + 24 + ... + 56 =8(1+2 + 3 + ...+ 7)/7 =8(7(7+1))/(7*2) =4(8) =32 Option C
pubmedqa_812
pubmedqa
Do acute changes in heart rate by isoproterenol affect aortic stiffness in patients with hypertension?
[ "yes", "no", "maybe" ]
B
qasc_7202
qasc
What is it called when worldwide heat increases?
[ "global warming", "threatened", "acid rain", "river pollution" ]
A
medmcqa_669
medmcqa
Shakir's tape is an example of:
[ "Community paicipation", "Intersectoral coordination", "Equitable distribution", "Appropriate technology" ]
D
Norms under Appropriate technology: Technology that is scientifically sound. adaptable to local needs. acceptable to those who apply it and those for whom it is used. can be maintained using the locally available resources. - Shakir's tape used to measure mid-arm circumference of child accept all the above norms.
medmcqa_9144
medmcqa
Breast milk at room temperature stored for?
[ "4 hrs", "8 hrs", "12 hrs", "24 hrs" ]
B
Ans. is 'b' i.e., 8 hrs
medmcqa_6815
medmcqa
Seven sheathed flagella is seen in -
[ "V. cholera", "H. pylori", "Pseudomonas aeruginosa", "Spirochetes" ]
B
medmcqa_9420
medmcqa
Persistent marrow aplasia is caused by which hepatitis virus: September 2006
[ "HAV", "HBV", "HCV", "None of the above" ]
D
Ans. D: None of the abovePersistent marrow aplasia appear after a variety of viral infections, most commonly viral hepatitis of the non-A, non-B, non-C, non-G type, which is associated with 5% to 10% of cases.
medmcqa_7231
medmcqa
ACTH is produced by which of the following Bronchogenic carcinomas
[ "Adenocarcinoma", "Small cell carcinoma", "Squamous cell carcinoma", "Branchoalveolar carcinoma" ]
B
Answer is B (Small cell carcinoma): Small cell carcinomas are the most common bronchogenic carcinomas associated with paraneoplastic syndrome and ectopic hormone production including ACTH. ACTH may also be uncommonly produced by non small cell variants including adenocarcinoma and squamous carcinomas, but small cell ca...
arc_challenge_1097
arc_challenge
A teacher opens a can of food in the front of a classroom. Soon, all of the students in the classroom can smell the food. Which statement identifies a property of a gas that allows all of the students to smell the food?
[ "A gas has no mass.", "A gas has a large mass.", "A gas takes the shape of its container.", "A gas keeps its shape when placed in a container." ]
C
qasc_5628
qasc
Springs can be fed by what?
[ "mechanical waves", "vernal equinox", "precipitation", "rainfall" ]
C
arc_challenge_476
arc_challenge
Scientists perform experiments to test hypotheses. How do scientists try to remain objective during experiments?
[ "Scientists analyze all results.", "Scientists use safety precautions.", "Scientists conduct experiments once.", "Scientists change at least two variables." ]
A
arc_easy_1946
arc_easy
The length of a year is equivalent to the time it takes for one
[ "rotation of Earth", "rotation of the Sun", "revolution of Earth around the Sun", "revolution of the Sun around Earth" ]
D
medmcqa_3502
medmcqa
Which muscleft is the chief mover of the mandible towards the left
[ "Left medial pterygoid", "Left lateral pterygoid", "Right medial pterygoid", "Right lateral pterygoid" ]
D
The formula method states that the right lateral pterygoid moves the mandible left, whereas the left lateral pterygoid moves the mandible right.
mmlu_aux_4675
mmlu_auxiliary
Every year landslides cause 25 to 50 deaths and $2 billion in damage in the United States. And in December, a single _ killed more than 2000 people in the Philippines. Sending workers to stabilize mountainsides using steel bars can help a lot, but it introduces new difficulties because of dust and loosen heavy, dangero...
[ "human being", "spider", "steel bar", "a drill" ]
B
null
arc_easy_2188
arc_easy
Which of the following does not give an example of how sparrows use resources in their environment to survive?
[ "Sparrows breathe air.", "Sparrows drink water.", "Sparrows use the sun for food.", "Sparrows use plants for shelter." ]
C
qasc_3303
qasc
Where do marine species mainly live?
[ "Warm waters", "Deposition", "the environment", "limestone" ]
A
mmlu_aux_6932
mmlu_auxiliary
Flowers will reproduce more if
[ "dragonflies reproduce more often", "pollinators visit them sparingly", "they are planted in premium fertilizer", "more bees make a pit stop at them" ]
D
null
qasc_2495
qasc
_ is how organisms grow and repair themselves.
[ "respiration", "hormone secretion", "potatoes", "Mitosis" ]
D
mmlu_aux_2910
mmlu_auxiliary
London: It's well known that Charles Darwin's famous theory of evolution annoyed many people because it was against the Biblical view of creation. But few know that it also created problems for Darwin at home with his deeply religious wife, Emma. "Darwin _ the publication of On the Origin of Species to avoid offending ...
[ "to say something about Darwin and his wife", "to introduce Charles Darwin and his theory of evolution", "to sing high praise for the book On the Origin of Species", "to report some celebrations of Darwin's 200th birthday and the 150th anniversary of his books" ]
D
null
aquarat_14211
aquarat
Two airplanes take off from one airfield at noon. One flies due east at 206 miles per hour while the other flies directly northeast at 283 miles per hour. Approximately how many miles apart are the airplanes at 2 p.m.?
[ "A)412", "B)332", "C)400", "D)483" ]
A
A In two hours: the plane flying East will be 412 miles away from airport. the other plane will be 566 miles away from airport. 566/412 = ~1.4 = ~sqrt(2) This means that planes formed a right isocheles triangle => sides of such triangles relate as 1:1:sqrt(2) => the planes are 412 miles apart.A
qasc_5971
qasc
humans have complete digestive systems and what bodies.
[ "non symmetrical", "allow growth", "aerobic capacity", "bilateraly symmetrical" ]
D
medmcqa_1374
medmcqa
In the international death ceificate, one of the following is not true-
[ "Pa I of the ceificate deals with the immediate cause only", "Pa I of of the ceificate deals with the immediate cause and also the underlying cause", "Pa II records significantly associated diseases", "The ceificate has been recommended by the WHO for international use" ]
A
ref: Park&;s 23rd edition pg 56 International Death Ceificate: Recommended by WHO for international use. 2 pas: PA 1: deals with immediate cause, and the underlying cause which staed the whole trend of events leading to death. The underlying cause of death is reccorded on line (c). PA 2: any significant associated dise...
medmcqa_2910
medmcqa
Smoke stake pattern is characteristic of?
[ "Sickle cell retinopathy", "Sarcoidosis", "Acute retinal necrosis", "Central serous retinopathy" ]
D
Ans. is 'd' i.e., Central serous retinopathy * Smoke stack pattern (small hyper fluorescent spot which ascends vertically like a smoke-stack), which gradually spreads laterally to take a mushroom or umbrella configuration, is a Fundus Fluorescein Angiography (FFA) finding of Central Serous Retinopathy.* Another importa...
medmcqa_9960
medmcqa
Dihydroergotamine differs from ergotamine in the following respect :
[ "It is a more potent oxytocic", "It has antiemetic property", "It has high oral bioavailability", "It is more potent α-adrenergic blocker and less potent vasoconstrictor" ]
D
Hydrogenation of ergot alkaloids decrease their vasoconstrictor action and increase the α-blocking activity.
aquarat_486
aquarat
A train 250 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is?
[ "A)32", "B)28", "C)29", "D)44" ]
D
S = (250 + 300)/45 = 550/45 * 18/5 =44 Answer: D
aquarat_27078
aquarat
Two trains 300 m and 450 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time which they take to cross each other is?
[ "A)10.6", "B)27", "C)10.4", "D)10.8" ]
B
Relative speed = 60 + 40 = 100 km/hr. = 100 * 5/18 = 250/9 m/sec. Distance covered in crossing each other = 300 + 450 = 750 m. Required time = 700 * 9/250 = 27 sec. Answer: B
medmcqa_3122
medmcqa
The neurosurgeon had removed a portion of the dense tissue (dura mater) covering the brain of the patient when she removed the tumor that had invaded the skull. To replace this important tissue covering of the brain, she took a band of the aponeurotic tissue of the lateral aspect of the thigh, covering the vastus later...
[ "Gluteus medius", "Gluteus minimus", "Gluteus maximus", "Tensor fasciae latae" ]
C
The tensor fasciae latae (which is innervated by the superior gluteal nerve) and the iliotibial tract are dense, wide aponeurosis that receives the insertion of the tensor fasciae latae and about 75% of the gluteus maximus. The gluteus maximus is the only one of the muscles listed that is supplied by the inferior glute...
aquarat_15146
aquarat
The area of a triangle is with base 4m and height 5m?
[ "A)76 m2", "B)10 m2", "C)27 m2", "D)18 m2" ]
B
1/2 * 4 * 5 = 10 m2 Answer:B
aquarat_40230
aquarat
Train W leaves New York at 7:00 am traveling to Boston at 80mph. Train B leaves Boston at 7:45 am traveling to New York at 70 mph on a parallel track. If the distance between New York and Boston is 210 miles, at what time will the two trains pass each other?
[ "A)8:15 am", "B)8:45 am", "C)9:00 am", "D)9:30 am" ]
B
train W will cover 60 kms in 45 min at 7:45, the time when train B starts... distance left to cover is 210-60=150.. combined speed=80+70=150.. so the trains meet in 1 hour i.e. 7:45 + 1 hr=8:45 B
medmcqa_3023
medmcqa
Common peroneal nerve is related to which of the following structures
[ "Shaft of tibia", "Neck of fibula", "Lower tibio-fibular joint", "Shaft of fibula" ]
B
B i.e., Neck of fibula Common peroneal nerve winds around neck of fibula to enter peroneus longus muscle. Because of its subcutaneous position it can be easily palpated here & is very prone to injury. So fracture neck of fibula may cause foot drop.
medmcqa_9057
medmcqa
Multifactorial inheritance is most likely to play a role in?
[ "Cleft lip", "Marfan's syndrom", "Erythroblastis fetalis", "Down's syndrome" ]
A
A quantitative trait locus (QTL) is a section of DNA (the locus) that correlates with variation in a phenotype (the quantitative trait). Usually the QTL is linked to, or contains, the genes that control that phenotype. QTLs are mapped by identifying which molecular markers (such as SNPs or AFLPs) correlate with an obse...
aquarat_34903
aquarat
A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3520. They completed the work in 3 days with the help of C. How much is to be paid to C?
[ "A)s. 380", "B)s. 600", "C)s. 420", "D)s. 440" ]
D
Explanation : Amount of work A can do in 1 day = 1/6 Amount of work B can do in 1 day = 1/8 Amount of work A + B can do in 1 day = 1/6 + 1/8 = 7/24 Amount of work A + B + C can do = 1/3 Amount of work C can do in 1 day = 1/3 - 7/24 = 1/24 work A can do in 1 day: work B can do in 1 day: work C can do in 1 day = 1/6 : 1/...
mmlu_aux_2154
mmlu_auxiliary
You may have heard the popular saying, "there are always more fish in the sea". But as many new studies show, fish populations are changing, and not necessarily for the better. Consider the case of big, predatory fish. These giants, like sharks and cod , eat other smaller fish. Big fish are an important part of the ...
[ "The decrease of the number of smaller fish has changed the marine food chain.", "Big fish have to live in the deep sea to avoid being caught.", "Over-fishing with new technology accounts for the decrease of the number of big fish.", "The decreasing populations of small fish lead to fewer big fish." ]
C
null
mmlu_aux_2972
mmlu_auxiliary
If a noisy neighbor is blasting music at all hours of the day and night, drowning out your phone conversations and interrupting your sleep, you can call the police. But what is a whale to do? Natural noise from waves, wind, rain and even earthquakes is common in oceans. Unfortunately, man-made noise from oil and gas dr...
[ "Right whales off the Californian coast have been in danger because of the loss of the energy.", "Right whales cannot find food and mate for they lose a lot of living area.", "There are about 20% of the normal communication areas still available for the right whales.", "The right whales always invest most of ...
C
null
aquarat_47942
aquarat
A room contains 150 people, 12 percent of whom are women. A group of people, 30 percent of whom are women, leaves the room. Of the people remaining in the room, 10 percent are women. How many people left the room?
[ "A)40", "B)50", "C)60", "D)70" ]
C
Say group of x people left the room. # of women in the room was 0.12*150=18; # of women in the group that left 0.15x; # of women in the room after the group left it is 0.1(150-x); So, 18-0.15x= 0.1(150-x) --> x=60. Answer: C.
medmcqa_4219
medmcqa
Which method is used to locate a known gene locus?
[ "FISH", "CGH", "Chromosome painting", "RT-PCR" ]
A
Ans. A. FISH(Ref: Robbins 9/e page 177)Robbins 9th edition gives the following descriptionFISH uses DNA probes that recognize sequences specific to particular chromosomal regions.MethodRequires growing cellsDetects deletion and duplicationDetects balanced structural rearrangementsDetects uniparental disomyLower limits ...
medmcqa_8335
medmcqa
Which is not transmitted through blood -
[ "Westnile", "Cholera", "Toxoplama", "HBV" ]
B
Ans. is 'b' i.e., CholeraInfections transmitted by bloodViralBacterialParasiteso HCVo Pseudomonaso Taxoplasmao HBVo Yersiniao Malariao HIVo Coagulase negative stapho Babesiao CMVo Borrefia burgdorferio Chagas dis.o HTL V - Type 1(Lyme dis) o Hepatitis G virus (GBV-C) o Parvovirus B-19 o Hepatitis A (rarely) o West Nile...
arc_easy_122
arc_easy
In the human kidney, urea from the blood is filtered through the glomerular membrane into a nephron. The movement of urea across this membrane occurs without an input of energy. Which factor is the most likely reason urea absorption does not require energy?
[ "a pH imbalance", "a pressure difference", "a temperature increase", "a concentration gradient" ]
D
mmlu_aux_3861
mmlu_auxiliary
Dolphins are interesting animals and researchers find them interesting to watch. They don't have hands, but can use tools to solve problems, just like us. Scientists have observed a dolphin trying to get a shy eel to come out of its hole by poking it with a dead fish. Many species of dolphin live in large societies. T...
[ "the subject", "the verbs", "the main structure", "word order" ]
D
null
mmlu_aux_4367
mmlu_auxiliary
Animals like the lion are known as carnivorous (meat-eating) animals. They feed on smaller animals. But many other animals eat grass or plants. They are called herbivorous (plant-eating) animals. You may be surprised to learn that there are carnivorous plants as well as carnivorous animals. Plants that grow in poor soi...
[ "Not all plants are carnivorous", "All plants are herbivorous", "Not all animals are carnivorous", "Carnivorous plants can also be found" ]
D
null
medmcqa_4783
medmcqa
In early stages, how is acute alveolar abscess is diagnosed:
[ "No change.", "A diffuse radiolucency.", "PDL widening.", "None of the above." ]
C
PDL widening can be the method for diagnosing the acute alveolar abscess in early stage, while chronic alveolar abscess presents as more distinct radiographic lesion.
medmcqa_204
medmcqa
Shock causes:
[ "Stagnant hypoxia", "Anemic hypoxia", "Hypoxic hypoxia", "Histotoxic hypoxia" ]
A
Ans: A (Stagnant hypoxia)Ref: Pat GK, Hypoxia and Oxygen Therapy, In: Textbook of Medical Physiology, 2nd ed, Abuja Publishing House 2011: 94: 754-55Explanation:Refer the explanation of previous question
medmcqa_6120
medmcqa
True statement about tetracycline is
[ "Inhibiting protein synthesis by binding to 50s ribosomes in susceptible microorganisms", "Tetracyclines have chelating property", "Tetracyclines have anabolic activity", "Tetracyclines are infrequently responsible for superinfection" ]
B
medmcqa_8316
medmcqa
Host related biological propeies of a disease agent are the following except
[ "Virulence", "Infectivity", "Pathogenicity", "Communicablity" ]
D
Host related biological propeies of disease agent are Infectivity Pathogenicity Virulence Ref : parks textbook of PSM 24th edition page no : 41
arc_easy_1586
arc_easy
Frog eggs hatch into tadpoles, and then tadpoles gradually develop into frogs. This process is known as
[ "adolescence.", "crossbreeding.", "regeneration.", "metamorphosis." ]
D
aquarat_43027
aquarat
A certain sum becomes four times itself at simple interest in nine years. In how many years does it become ten times itself?
[ "A)27 years.", "B)25 years.", "C)29 years.", "D)17 years." ]
A
Let the sum be Rs. x, then it becomes Rs. 4x in eight years Rs. 3x is the interest on x for eight years. R = (100 * 3x)/(x * 9) = 100/3 % If the sum becomes ten times itself, then interest is 9x. The required time period = (100 * 9x)/(x * 100/3) = (100 * 9x * 3)/(x * 300) = 27 years. ANSWER:A
medmcqa_6064
medmcqa
Aschoff bodies in Rheumatic hea disease show all of the following features, except -
[ "Anitschkow cells", "Epitheloid cells", "Giant cells", "Fibrinoid necrosis" ]
B
Ans. is 'b' i.e., Epitheloid cell
arc_easy_2206
arc_easy
A shoe manufacturer randomly selects 10% of the production from each shift. Each of these shoes is checked to ensure that it is correctly made. What is this process called?
[ "quality control", "product distribution", "production selection", "research and development" ]
A
openbookqa_1648
openbookqa
A person needing to last a long time in an arid space with limited water sources will
[ "drink sparingly", "drink frequently", "drink greedily", "drink liberally" ]
A
medmcqa_6673
medmcqa
The most common congenital esophageal anomaly is which of the following?
[ "Esophageal atresia", "Esophageal psuedodiveiculum", "Congenetal web", "Schatzki ring" ]
A
The most common congenital esophageal anomaly is esophageal atresia, occurring in about 1 in 5,000 live bihs. Reference: Harrisons Principles of Internal Medicine, 18th Edition
mmlu_aux_3389
mmlu_auxiliary
Tigers are the largest wild cats in the world. They usually go out to hunt for food when it is dark. When a tiger sees an animal, it moves quickly and then jumps on the animals to kill it. Sometimes it can take the tiger several days to finish eating its food. When the tiger is full, it will cover the dead animal wi...
[ "lion", "tiger", "panda", "bear" ]
B
null
aquarat_14139
aquarat
In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is:
[ "A)14 kmph", "B)11 kmph.", "C)51 kmph.", "D)61 kmph." ]
B
Speed in still water =1/2(14+8) kmph = 11 kmph. Answer: B
arc_easy_1764
arc_easy
What best describes objects orbiting in the Kuiper Belt?
[ "metallic", "rocky", "hot", "icy" ]
D
medmcqa_2950
medmcqa
All are components of Sewer gas except -
[ "H2S", "CO2", "SO2", "Methane" ]
C
When the sewage is highly concentrated and contains plenty of solids the anaerobic process is highly effective. The end products of decomposition are methane, ammonia, CO2, and H2S. Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 794
qasc_8131
qasc
What are used for protection by fish?
[ "scales", "fins", "streams.", "coral" ]
A
aquarat_1685
aquarat
5 women can do a work in two days. 10 men can complete the same work in five days. What is the ratio between the capacity of a man and a woman?
[ "A)1:2", "B)1:5", "C)2:3", "D)3:2" ]
B
Explanation: (5 × 2) women can complete the work in 1 day. ∴ 1 woman's 1 day's work = 1/10 (10 × 5) men can complete the work in 1 day. ∴ 1 man's 1 day's work = 1/50 so, required ratio =1/10 : 1/50= 1:5 Answer: B
medmcqa_480
medmcqa
The mesial surface of the crown is almost parallel to long axis and the root of a:
[ "Maxillary 1st premolar", "Mandibular 2nd Premolar", "Maxillary canine", "Mandibular canine" ]
D
medmcqa_6392
medmcqa
Malonate competetively inhibits-
[ "Fumarate dehydrogenase", "Succinate thiokinase", "Aconitase", "Succinate dehydrogenase" ]
D
D i.e. Succinate dehydrogenase
mmlu_aux_6912
mmlu_auxiliary
There are producers that exist in the food chain, and they basically
[ "are mainly creatures like deer", "require photosynthesis to survive", "produce a thing called chlorophyll", "make good money at work" ]
B
null
aquarat_43862
aquarat
In a certain game of dice, the player’s score is determined as a sum of four throws of a single die. The player with the highest score wins the round. If more than one player has the highest score, the winnings of the round are divided equally among these players. If Jim plays this game against 26 other players, what i...
[ "A)41/50", "B)1/221", "C)1/1296", "D)1/84" ]
C
Toguaranteethat Jim will get some monetary payoff he must score the maximum score of 6+6+6+6=24, because if he gets even one less than that so 23, someone can get 24 and Jim will get nothing. P(24)=1/6^4=1/1296. Answer: C.
aquarat_45568
aquarat
Which of the following must be an integer if the integer x is divisible by both 15 and 21?
[ "A)x/252", "B)x/189", "C)x/126", "D)x/105" ]
D
the integer has to be multiple of LCM of 15 and 21, which is 105.. so x/105 will be an integer ans D
medmcqa_5245
medmcqa
The end product of glycolysis under anaerobic conditions is:
[ "Lactic acid", "Pyruvic acid", "Acetoacetic acid", "Oxaloacetic acid" ]
A
medmcqa_2932
medmcqa
Physiological uncoupler is
[ "Thyroxine", "Free fatty acids", "Thermogenin", "All of the above" ]
D
Uncouplers will allow oxidation to proceed, but the energy instead of being trapped by phosphorylation Fig. 19.18. Impoant mitochondrial membrane transpoers. 1 = PYT (pyruvate transpoer); 2 = TCT (tricarboxylate transpoer); 3 = ANT (adenine nucleotide transpoer) is dissipated as heat. This is achieved by removal of the...
qasc_1879
qasc
Wetlands are extremely important:
[ "environments", "food and shelter", "animals", "Plants growth" ]
A
openbookqa_2812
openbookqa
An exertion on a thing that is going against the thing's intended direction, when in motion will
[ "melt it", "oppose it", "speed it up", "burn it" ]
B
arc_easy_1195
arc_easy
A family installs a new heating system in their home. Which is the most desirable result of the new heating system?
[ "producing more noise pollution", "decreasing the amount of energy used", "increasing the use of natural resources", "increasing the time it takes to heat the home" ]
B
qasc_6201
qasc
How does a squid produce?
[ "Energy.", "photons", "voltage", "sexually" ]
D
medmcqa_5596
medmcqa
Hairy cell leukemia&; is a Neoplastic proliferation of :
[ "T. cells", "B. cells", "Myeloid cells", "Macrophages" ]
B
Hairy cell leukemia review : Presentation is with a triad of : Splenomegaly :often massive. However hepatomegaly is less common while lymphadenopathy is rare. Pancytopenia and thereby, resulting infections. Vasculitis like syndrome :Erythema nodosum and cutaneous nodules due to perivasculitis and PAN. Course : Hairy ce...
aquarat_41446
aquarat
The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.
[ "A)48.55", "B)42.25", "C)50", "D)51.25" ]
A
Explanation: Average weight of 16 boys = 50.25 Total weight of 16 boys = 50.25 × 16 Average weight of remaining 8 boys = 45.15 Total weight of remaining 8 boys = 45.15 × 8 Total weight of all boys in the class = (50.25 × 16)+ (45.15 × 8) Total boys = 16 + 8 = 24 Average weight of all the boys = (50.25×16)+(45.15×8)/24 ...
openbookqa_1366
openbookqa
Lava on the ocean floor may build up upon itself. This is where
[ "birds may be thinking", "lone land mass develops", "musical notes are heard", "fish are buried in sand" ]
B
openbookqa_2667
openbookqa
Cola and mentos combined will
[ "expand quickly", "evaporate", "freeze", "disappear" ]
A
arc_challenge_587
arc_challenge
According to the fossil record, the first horses were smaller than modern species. Throughout time, horses have gradually changed
[ "to become better hunters.", "in order to re-populate the Earth.", "in response to an altering environment.", "to become useful for humans." ]
C
medmcqa_9278
medmcqa
HBV is associated with all of the following except -
[ "Hepatic cancer", "Chronic hepatitis", "Hepatic adenoma", "Cirrhosis" ]
C
qasc_7498
qasc
what require preserved food for extended flights?
[ "geese flocks", "space travelers", "Dehydration", "space aliens" ]
B
mmlu_aux_7871
mmlu_auxiliary
An example of a fossil could be a
[ "dino track", "animal eye", "human heart", "abandoned nest" ]
A
null
medmcqa_3620
medmcqa
Hand and foot syndrome is due to ?
[ "Vincristine", "Cisplatin", "5 FU", "Azathioprine" ]
C
Ans. is 'c' i.e., 5 FU
medmcqa_8221
medmcqa
Most common histological type of thyroid carcinoma is
[ "Follicular type", "Papillary type", "Anaplastic type", "Medullary type" ]
B
(B) Papillary type # Morphological variants of thyroid carcinoma and their approximate frequencies are: Papillary carcinoma 75-85% Follicular carcinoma 10-20% Medullary carcinoma 5% Anaplastic carcinoma < 5%> Histology type Incidence Papillary 80% Follicular 10% Medullary 5% Anaplastic 1 %> Papillary carcinoma thyroid:...
medmcqa_4668
medmcqa
The most appropriate drug used for chelation therapy in beta thalassemia major is -
[ "Oral desderrioxamine", "Oral deferiprone", "Intramuscular EDTA", "Oral Succimer" ]
B
Ans. is 'b' i.e., Oral deferiprone Desferrioxamine is poorly absorbed from GIT and hence not recommended for oral administration, although it continues to be the chelating agent of choice for parentral administration. o Deferiprone is a recently introduced orally active iron chelating agent meant to be used as an alter...
aquarat_47029
aquarat
A number whose fifth part increased by 7 is equal to its fourth part diminished by 7 is ?
[ "A)160", "B)180", "C)200", "D)280" ]
D
Answer Let the number be N. Then, (N/5) + 7 = (N/4) - 7 ⇒ (N/4) - (N/5) = 14 ⇒ (5N - 4N)/20 = 14 ∴ N = 280 Option: D
openbookqa_1464
openbookqa
Two rabbits frequently copulate. The result for the rabbits will likely be
[ "broods", "snacks", "teeth", "burrows" ]
A