dataset
stringclasses
6 values
id
stringlengths
12
16
question
stringlengths
1
935
choices
listlengths
4
4
answer
stringclasses
4 values
support
stringlengths
0
7.76k
sciq
sciq_01_05962
The parasympathetic system can also be referred to as the what?
[ "lentivirus system", "badolato system", "digestive system", "craniosacral system" ]
D
Parasympathetic Division of the Autonomic Nervous System The parasympathetic division of the autonomic nervous system is named because its central neurons are located on either side of the thoracolumbar region of the spinal cord (para- = “beside” or “near”). The parasympathetic system can also be referred to as the cra...
sciq
sciq_01_00598
When cats mark their territory by rubbing their face against an object, they deposit chemicals released by what structures?
[ "pituitary glands", "scent glands", "whiskers", "taste buds" ]
B
Some animals deposit chemicals to mark the boundary of their territory. This is why dogs urinate on fire hydrants and other objects. Cats may also mark their territory by depositing chemicals. They have scent glands in their face. They deposit chemicals by rubbing their face against objects.
medmcqa
medmcqa_05_00269
A patient presents with nephrotic syndrome and hypoalbuminemia. Protein binding of which drug is not affected -
[ "Tolbutamide", "Morphine", "Diazepam", "Valproate" ]
B
Ans. is 'b' i.e., Morphine in nephrotic syndrome there is no effect on protein binding. o Other three drugs are plasma protein bound drugs.
openbookqa
obqa_02_00446
as Ford lost customers it's earnings
[ "plummeted", "raised", "stayed the same", "fluctuated" ]
A
as the sale of a product decreases , the amount of money made by the person selling that product will decrease
sciq
sciq_01_02582
What was once believed to be the smallest of all particles, as dalton's theory proposed?
[ "molecule", "nucleus", "atom", "neutron" ]
C
Dalton’s theory was soon widely accepted. Most of it is still accepted today. The only part that is no longer accepted is his idea that atoms are the smallest particles. Scientists now know that atoms consist of even smaller particles.
openbookqa
obqa_02_02417
Adding heat energy to something can cook it, such as heating
[ "ice", "wood", "seashells", "cookie dough" ]
D
cooking food requires adding heat energy
openbookqa
obqa_02_03255
If I wanted to get energy after a hard work out I could do what?
[ "Go bike riding", "Go swimming", "Consume bread", "Run again" ]
C
food is a source of energy for animals
sciq
sciq_01_00916
Animals that molt their exoskeletons belong to which clade?
[ "ecdysozoa", "spirogyra", "trichina", "protists" ]
A
Figure 27.13 Animals that molt their exoskeletons, such as these (a) Madagascar hissing cockroaches, are in the clade Ecdysozoa. (b) Phoronids are in the clade Lophotrochozoa. The tentacles are part of a feeding structure called a lophophore. (credit a: modification of work by Whitney Cranshaw, Colorado State Universit...
sciq
sciq_01_00553
Potential energy is not only associated with the location of matter, but also with the structure of matter. even a spring on the ground has potential energy if it is what?
[ "ignored", "coupled", "watched", "compressed" ]
D
Potential energy is not only associated with the location of matter, but also with the structure of matter. Even a spring on the ground has potential energy if it is compressed; so does a rubber band that is pulled taut. On a molecular level, the bonds that hold the atoms of molecules together exist in a particular str...
medmcqa
medmcqa_05_04810
A 43 year old male is diagnosed with Schizophrenia but he refused to take treatment. Which of the following antipsychotic drug is the treatment of choice for this patient?
[ "Clozapine", "Risperidone", "Olanzapine", "Fluphenazine" ]
D
Ans. (d) FluphenazineRef : Harrison 19th ed. 12722Fluphenazine can be given as monthly intramuscular depot preparation. Thus it is preferred in non-compliant patients.Important Points Regarding Anti-Psychotic Agents* Fluphenazine (enanthate and decanoate) and haloperidol (decanoate) are long-acting injectable (s.c. or ...
sciq
sciq_01_11333
Shedding of dead cells ensures constant renewal of what outer layer of the skin?
[ "cuticle", "scale", "dermis", "epidermis" ]
D
The skin consists of two distinct layers, an outer layer called the epidermis and an inner layer called the dermis. The epidermis is constantly being renewed as dead cells on the surface are shed. This layer contains melanin-producing melanocytes. The dermis contains blood vessels, nerve endings, hair follicles, and se...
sciq
sciq_01_11605
Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles?
[ "duplicating synapses", "dual synapses", "beginning synapses", "electrical synapses" ]
D
Electrical Synapse While electrical synapses are fewer in number than chemical synapses, they are found in all nervous systems and play important and unique roles. The mode of neurotransmission in electrical synapses is quite different from that in chemical synapses. In an electrical synapse, the presynaptic and postsy...
medmcqa
medmcqa_05_02938
Amyotrophic lateral sclerosis involve:
[ "Anterior horn cell", "Posterior horn cell", "Dorsal root ganglia", "Ventral root ganglia" ]
A
Answer is A (Anterior Horn Cells):
openbookqa
obqa_02_04751
Some humans live in what?
[ "lakes", "trees", "oceans", "homes" ]
D
some humans live in houses
openbookqa
obqa_02_01905
What can cause objects to repel each other?
[ "fake magnets", "smell", "identical charges", "sunlight" ]
C
magnetism can cause objects to repel each other
sciq
sciq_01_03241
When electricity is passed through solid sodium it changes into what and gives off light?
[ "gas", "plasma", "liquids", "hydrocarbons" ]
A
A vapor light also produces visible light by electroluminescence The bulb contains a small amount of solid sodium or mercury as well as a mixture of neon and argon gases. When an electric current passes through the gases, it causes the solid sodium or mercury to change to a gas and emit visible light. Sodium vapor ligh...
openbookqa
obqa_02_04392
With wind gusts and green skys you should pack
[ "golf clubs", "a picnic basket", "a lightning rod", "an umbrella" ]
D
if weather is stormy then there is a greater chance of rain
math_qa
mathqa_03_02710
a box contains 10 tablets of medicine a and 14 tablets of medicine b . what is the least number of tablets that should be taken from the box to ensure that at least two tablets of each kind are among the extracted .
[ "12", "16", "17", "19" ]
B
the worst case scenario will be if we remove all 14 tablets of medicine b first . the next 2 tablets we remove have to be of medicine a , so to guarantee that at least two tablets of each kind will be taken we should remove minimum of 14 + 2 = 16 tablets . answer : b .
sciq
sciq_01_05828
What is the term for plants that produce flowers and fruit?
[ "spores", "endosperms", "angiosperms", "gymnosperms" ]
C
Angiosperms are plants that produce flowers and fruit.
math_qa
mathqa_03_00314
youseff lives x blocks from his office . it takes him 1 minute per block to walk to work and 20 seconds per block to ride his bike to work . it is takes him exactly 4 minutes more to walk to work than to ride his bike to work , then x equals ?
[ "4", "6", "10", "15" ]
B
"please follow posting guidelines , link is in my signatures . as for your question , x / 60 = blocks / time / block = block ^ 2 / time . this is not what you want . you are given x blocks and 60 seconds per block . thus you need to put it as 60 * x to give you units of seconds as you are equating this to 240 ( which i...
sciq
sciq_01_08761
If an elephant and a boy are falling towards the ground, who will land first?
[ "neither will land", "both same time", "the elephant", "the boy" ]
B
Both the elephant and the boy are falling to the ground because of gravity. The force of gravity (F grav ) is greater for the elephant than it is for the boy because the elephant is much more massive. Nonetheless, both of them will reach the ground at the same time (assuming they fall from the same height at the same t...
sciq
sciq_01_09663
What is the science of classifying the many organisms on earth called?
[ "methodology", "taxonomy", "general classification", "terminology" ]
B
The evolution of life on Earth over the past 4 billion years has resulted in a huge variety of species. For more than 2,000 years, humans have been trying to classify the great diversity of life. The science of classifying organisms is called taxonomy. Classification is an important step in understanding the present di...
math_qa
mathqa_03_03906
in a office work is distribute between p persons . if 1 / 8 members are absent then work increased for each person is ?
[ "13.28 %", "14.28 %", "15.28 %", "16.28 %" ]
B
"let total % of work is 100 % total person = p 1 / 8 person are absent of total person . so absent person is 1 / 8 p ie p / 8 . left person is , p - p / 8 = 7 p / 8 . p person do the work 100 % 1 person do the work 100 * p % 7 p / 8 person do the work ( 100 * p * 8 ) / 7 p % = 114.28 % work increased for each person is...
ARC-Easy
arc_04_01990
Which combination of letters could be used as a chemical symbol for an element?
[ "BR", "Chl", "Dy", "FeO" ]
C
null
sciq
sciq_01_09446
Movement of water and minerals in the xylem solutes, pressure, gravity, and matric potential are all important for what?
[ "Moving Water Transport", "produce water transport", "plant water transport", "increase water transport" ]
C
Movement of Water and Minerals in the Xylem Solutes, pressure, gravity, and matric potential are all important for the transport of water in plants. Water moves from an area of higher total water potential (higher Gibbs free energy) to an area of lower total water potential. Gibbs free energy is the energy associated w...
ARC-Challenge
arc_04_02428
Oscar is investigating how many days it takes for a chick to hatch from an egg. Which number of eggs would give Oscar the most reliable results?
[ "1", "3", "5", "7" ]
D
null
medmcqa
medmcqa_05_03403
Cataract in diabetes –
[ "Snowflake", "Sunflower", "Nuclear cataract", "Oil drop" ]
A
Diabetic cataract Cataract is considered as a major cause of visual impairment in diabetic patients. Senile cataract tends to develop atan earlier age and more rapidly than usual in diabetic patients.   The enzyme aldolase reductase catalyzes the reduction of glucose to sorbitol through the polyol pathway, aprocess lin...
math_qa
mathqa_03_04013
if , 1 * 3 * 5 = 16 3 * 5 * 7 = 38 5 * 7 * 9 = 68 then find , 7 * 9 * 11 = ?
[ "106", "49", "68", "38" ]
A
a 106 ( 11 * 9 ) + 7 = 106
openbookqa
obqa_02_00889
Miletinae in the air above will have gone through a transmutation and would have already gone through what pre imago but post egg stage ?
[ "egg stage", "old stage", "stage after larva", "moth stage" ]
C
the pupa stage is a stage in the metamorphosis process of some animals
sciq
sciq_01_04395
Reducing the production of what gas, or removing it from the air, are practices that could reduce global warming?
[ "oxygen", "helium", "hydrogen", "carbon dioxide" ]
D
Efforts to reduce future global warming mainly involve energy use. We need to use less energy, for example, by driving more fuel-efficient cars. We also need to switch to energy sources that produce less carbon dioxide, such as solar and wind energy. At the same time, we can increase the amount of carbon dioxide that i...
math_qa
mathqa_03_01898
what is the sum of all even numbers from 1 to 601 ?
[ "122821", "281228", "90300", "122850" ]
C
"explanation : 600 / 2 = 300 300 * 301 = 90300 answer : c"
math_qa
mathqa_03_03244
what annual installment will discharge a debt of rs . 1092 due in 3 years at 12 % simple interest ?
[ "442", "441", "440", "320" ]
A
"let the installment be rs . x if he keeps the total amount for 3 years , he have to pay the interest of rs . ( 1092 * 12 * 3 ) / 100 . but he paid rs . x after 1 year . so he need not to pay interest for rs . x for remaining 2 years . i . e he need not to pay rs . ( x * 12 * 2 ) / 100 . and he paid another rs . x afte...
math_qa
mathqa_03_04603
in a boat there are 8 men whose average weight is increased by 1 kg when 1 man of 60 kg is replaced by a new man . what is weight of new comer ?
[ "70", "66", "68", "69" ]
C
solution : member in group * age increased = difference of replacement or , 8 * 1 = new comer - man going out or , new comer = 8 + 60 ; or , new comer = 68 years . answer : option c
math_qa
mathqa_03_01156
which is the smallest number divides 2800 and gives a perfect square .
[ "5'", "6'", "7'", "8'" ]
C
7 is the smallest number which divides 2800 and gives a perfect square . as 2800 = 2 * 2 * 2 * 2 * 5 * 5 * 7 and 7 is not in a pair which gives 400 ( a perfect square of 20 ) on dividing 2800 . answer : c
sciq
sciq_01_09106
What is the name for the division of the cytoplasm in eukaryotic cells, resulting in two genetically identical daughter cells?
[ "cytokinesis", "vegetative division", "metamorphosis", "mitosis" ]
A
The second major step is cytokinesis. As in prokaryotic cells, the cytoplasm must divide. Cytokinesis is the division of the cytoplasm in eukaryotic cells, resulting in two genetically identical daughter cells.
sciq
sciq_01_00981
Give an example of benthos that live near vents on the deep ocean floor.
[ "arthropods", "amphipods", "tubeworms", "crustaceans" ]
C
Some benthos live near vents on the deep ocean floor. Tubeworms are an example ( Figure below ). Scalding hot water pours out of the vents. The hot water contains chemicals that some specialized bacteria can use to make food. Tubeworms have the bacteria living inside them. The bacteria get protection and the tubeworms ...
openbookqa
obqa_02_00831
Given that animals are generally unfriendly with humans and would prefer their own space, which of these creatures is an anomaly?
[ "buffalo", "deer", "scottish folds", "boar" ]
C
animals usually distance themselves from humans
openbookqa
obqa_02_03308
Which would most rely on a coal-fire power station?
[ "a nuclear sub", "the space shuttle", "a locomotive", "a solar panel" ]
C
coal is used to produce electricity by burning in coal-fire power stations
math_qa
mathqa_03_00754
jake took a bus from home to market , that travels at 10 kmph . while walking back at 2 kmph , halfway through , he suddenly realized he was getting late and he cycled back the remaining distance in 50 kmph . find the average speed .
[ "1.17 kmph", "1.67 kmph", "0.69 kmph", "1.45 kmph" ]
B
let the distance be 2 x ( one way ) time taken by bus = 2 x / 10 , by walking = x / 2 , by cycling = x / 50 hours : . average speed = total distance / total time = 2 x / x / 5 + x / 2 + x / 50 = 2 * 60 / 12 + 30 + 1.2 = 1.67 answer : b
math_qa
mathqa_03_01620
of the families in city x in 1994 , 40 percent owned a personal computer . the number of families in city x owning a computer in 1998 was 30 percent greater than it was in 1994 , and the total number of families in city x was 4 percent greater in 1998 than it was in 1994 . what percent of the families in city x owned a...
[ "50 %", "52 %", "56 %", "70 %" ]
A
"say a 100 families existed in 1994 then the number of families owning a computer in 1994 - 40 number of families owning computer in 1998 = 40 * 130 / 100 = 52 number of families in 1998 = 104 the percentage = 52 / 104 * 100 = 50 % . answer : a"
sciq
sciq_01_04825
Vascular disorders involve problems with the flow of what?
[ "bacteria", "saliva", "blood", "mucus" ]
C
Vascular disorders involve problems with blood flow. For example, a stroke occurs when a blood clot blocks blood flow to part of the brain. Brain cells die quickly if their oxygen supply is cut off. This may cause paralysis and loss of other normal functions, depending on the part of the brain that is damaged.
sciq
sciq_01_06689
What is the basic unit of structure and function in all organisms?
[ "the electron", "the neutron", "the cell", "the atom" ]
C
The cell is the basic unit of structure and function of all organisms. The Cell Theory states that all living things are made of one or more cells, or the secretions of those cells, such as the organisms shown in Figure below . For example, shell and bone are built by cells from substances that they secrete into their ...
ARC-Challenge
arc_04_03200
In a tug-of-war game, balanced forces are best represented when both teams cause the flag to
[ "stay in the middle.", "fall to the ground.", "move slowly in one direction.", "be pulled quickly in one direction." ]
A
null
openbookqa
obqa_02_01300
A person discovers a dinosaur skeleton in their backyard under a lot of dirt. The skeleton is lacking the bright whiteness of bones, because it is
[ "filled with beer", "covered in salt", "trapped in stone", "smooth with wires" ]
C
fossils are formed when layers of sediment cover the remains of organisms over time
medmcqa
medmcqa_05_00372
Mechanism of action of timolol is ?
[ "Nonselective beta blocker", "Nonselective alpha blocker", "Selective beta 1 blocker", "Selective beta 2 blocker" ]
A
Ans. is 'a' i.e., Nonselective beta blocker Timolol is a non selective beta blocker (betal + beta 2). Thus when it is used in the treatment of glaucoma it can precipitate an attack of asthma by blocking beta 2 receptors.
ARC-Challenge
arc_04_03151
The following are inherited traits of humans except
[ "long hair.", "blue eyes.", "long eyelashes.", "small dimples." ]
A
null
openbookqa
obqa_02_00054
Scales
[ "measure how much belly fat the user has", "measure height of the user", "help users know if they need to drop some lbs.", "help users determine their blood sugar levels" ]
C
a scale is used for measuring weight
medmcqa
medmcqa_05_01156
A 52-year-old construction worker had an 8-month history of muscle weakness, easy bruising, backache, and headache. Physical examination revealed cutaneous hyperpigmentation, pronounced truncal obesity, purple striae with a "buffalo hump," and blood pressure of 180/100 mm Hg. Laboratory analyses revealed elevated conce...
[ "Adrenocoical hypersecretion of pituitary origin", "Congenital adrenal hyperplasia", "Ectopic ACTH production in the lung", "Primary hyperaldosteronism" ]
A
Physical examination revealed features of glucocoicoid excess. ACTH-dependent Cushing syndrome is characterized by elevated glucocoicoid levels caused by excess stimulation by ACTH produced by pituitary or ectopic (extrapituitary tissue) tumors. The most frequent source of ectopically produced ACTH is small cell lung c...
openbookqa
obqa_02_00747
Which is most likely a pollinating animal?
[ "bear", "spider", "Anthophila", "crocodile" ]
C
An insect is a pollinating animal
medmcqa
medmcqa_05_00148
Which of the following is not a coagulative necrosis?
[ "Myocardial infarct", "Kidney infarct", "Brain infarct", "Adrenal infarct" ]
C
For obscure reasons, the hypoxic death of cells within the central nervous system often evokes liquefactive necrosis.( Robbins Basic Pathology, 9th edition, page 10 )
sciq
sciq_01_01275
What is created when the warm air at the cold front rises and creates a low pressure cell, causing winds to rush into the low pressure?
[ "Hurricane", "Wind pressure", "Tornado", "rising air column" ]
D
The warm air at the cold front rises and creates a low pressure cell. Winds rush into the low pressure. This creates a rising column of air. The air twists, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Since the rising air is moist, rain or snow falls.
sciq
sciq_01_03554
"endocrine" and "exocrine" are two types of what?
[ "organs", "fluids", "cells", "glands" ]
D
The ductless endocrine glands are not to be confused with the body’s exocrine system, whose glands release their secretions through ducts. Examples of exocrine glands include the sebaceous and sweat glands of the skin. As just noted, the pancreas also has an exocrine function: most of its cells secrete pancreatic juice...
ARC-Easy
arc_04_00238
The production of sweat is typically a response to an increase in the body's
[ "blood circulation.", "temperature.", "respiration.", "heart rate." ]
B
null
sciq
sciq_01_09113
What is used in the growth, development, functioning and reproduction of all known living organisms and many viruses?
[ "viruses", "enzymes", "dna", "bacteria" ]
C
In 1966, Francis Crick proposed the Wobble Hypothesis which explained that the degeneracy of the genetic code is caused by the structure of the anticodon of tRNA. The anticodon is a three base sequence on the tRNA complementary to the codon on the mRNA. Each tRNA binds to a specific amino acid, but the anticodons of so...
sciq
sciq_01_04645
What type of plug is generally used on metal appliances?
[ "3 prong", ".2 prong", "4 prong", "5 prong" ]
A
A three-prong plug is generally used on metal appliances. The two flat prongs carry current to and from the appliance. The round prong is for safety. It connects with a wire inside the outlet that goes down into the ground. If any stray current leaks from the circuit or if there is a short circuit, the ground wire carr...
math_qa
mathqa_03_02394
a cyclist rides a bicycle 8 km at an average speed of 10 km / hr and again travels 10 km at an average speed of 8 km / hr . what is the average speed for the entire trip ?
[ "9.28", "8.48", "8.78", "8.98" ]
C
"distance = 18 km time = 8 / 10 + 10 / 8 = ( 64 + 100 ) / 80 = 164 / 80 = 41 / 20 hours average speed = ( 18 * 20 ) / 41 = 8.78 km / h the answer is c ."
sciq
sciq_01_10401
What causes the endometrium to thicken during a menstrual cycle?
[ "ovulation", "estradiol", "blood", "testosterone" ]
B
Hormone levels during the follicular phase, ovulation, and the luteal phase are compared. During the follicular phase, LH and FSH secreted from the pituitary stimulate several follicles to grow. The follicles produce low levels of estradiol that inhibit GnRH secretion by the hypothalamus, keeping LH and FSH levels low....
sciq
sciq_01_05191
Making a specific prediction based on a general principle is known as what type of reasoning?
[ "common sense reasoning", "logical reasoning", "deductive reasoning", "validating reasoning" ]
C
In deductive reasoning, I make a specific prediction based on a general principle. One general principle is that acids turn blue litmus paper red. If I have a bottle of liquid labeled “acid,” I expect the litmus paper to turn red when I immerse it in the liquid.
sciq
sciq_01_07202
Nonflowering vascular plants have how many basic types of leaves?
[ "five", "four", "one", "three" ]
D
Leaves may vary in size, shape, and their arrangement on stems. Nonflowering vascular plants have three basic types of leaves: microphylls (“tiny leaves”), fronds , and needles . Figure below describes each type.
openbookqa
obqa_02_01415
Echo is when sound reflects off of what?
[ "atmosphere", "tables", "surface winds", "sunlight" ]
B
echo is when sound reflects off of a surface
sciq
sciq_01_01780
Pure constructive interference and pure destructive interference are distinguished by whether or not identical waves are what?
[ "after phase", "in phase", "in equilibrium", "before phase" ]
B
Figure 27.11 The amplitudes of waves add. (a) Pure constructive interference is obtained when identical waves are in phase. (b) Pure destructive interference occurs when identical waves are exactly out of phase, or shifted by half a wavelength.
sciq
sciq_01_04923
Budding is a form of what type of reproduction in tunicates?
[ "nuclear", "microscopic", "asexual", "sexual" ]
C
As larvae, tunicates can swim freely to find food. As adults, tunicates lack a post-anal tail and notochord, and they can no longer swim. Instead, they remain in one place and are filter feeders. Tunicates can reproduce both sexually and asexually. The same adults produce sperm and eggs. However, fertilization always i...
sciq
sciq_01_08919
Name the 3 ocean zones.
[ "coral, intertidal, apogean", "amphidromic, cotidal, benthic", "cotidal, intertidal, exotidal", "intertidal, pelagic, benthic" ]
D
Zones in the oceans include the intertidal, pelagic, and benthic zones. The types of organisms found in these ocean zones are also determined by such factors as depth of water and distance from shore, among other factors.
math_qa
mathqa_03_02542
the diagonals of a rhombus are 17 cm and 20 cm . find its area ?
[ "176", "186", "150", "170" ]
D
"1 / 2 * 17 * 20 = 170 answer : d"
medmcqa
medmcqa_05_04106
Weakest support of uterus is -
[ "Uterosacral ligament", "Round ligament", "Broad ligament", "Levator ani" ]
C
Secondary support of uterus includes broad ligament, uterovesical fold and rectovaginal fold of peritoneum. These secondary supports are of doubtful value. SO they are the weakest support of uterus.
sciq
sciq_01_09131
Where do plankton, nekton, and benthos live?
[ "in the oceans", "arctic", "deserts", "forests" ]
A
Zappy's. Plankton, nekton, and benthos are the three groups of living things in the oceans . CC BY-NC 3.0.
sciq
sciq_01_01752
A visual "copy" of an object that is formed by reflected or refracted light is called what?
[ "mirror", "instance", "image", "photo" ]
C
Almost all surfaces reflect some of the light that strikes them. The still water of the lake in Figure above reflects almost all of the light that strikes it. The reflected light forms an image of nearby objects. An image is a copy of an object that is formed by reflected or refracted light.
sciq
sciq_01_00318
What is it called when you get the same result after repeating an experiment?
[ "variable", "replication", "initiation", "control" ]
B
Getting the same result when an experiment is repeated is called replication. If research results can be replicated, it means they are more likely to be correct.
ARC-Easy
arc_04_02090
Which structure surrounds and protects an animal cell?
[ "Nucleus", "Vacuole", "Cytoplasm", "Cell membrane" ]
D
null
math_qa
mathqa_03_04597
if ( x + 3 ) ^ 2 / ( 3 x + 65 ) = 2 , then the difference between the two possible values of x is :
[ "16", "18", "20", "22" ]
D
"( x + 3 ) ^ 2 / ( 3 x + 65 ) = 2 ( x + 3 ) ^ 2 = 2 ( 3 x + 65 ) x ^ 2 + 6 x + 9 = 6 x + 130 x ^ 2 - 121 = 0 ( x - 11 ) ( x + 11 ) = 0 x = 11 or x = - 11 the answer is d ."
math_qa
mathqa_03_03060
divide $ 1000 among a , b in the ratio 1 : 4 . how many $ that b get ?
[ "$ 500", "$ 800", "$ 1000", "$ 200" ]
B
"sum of ratio terms = 1 + 4 = 5 a = 1000 * 4 / 5 = $ 800 answer is b"
medmcqa
medmcqa_05_03769
Root of mesentery is crossed by ?
[ "Left testicular aery", "Left ovarian aery", "IVC", "Left ureter" ]
C
Attached border of mesentery (root of mesentery) crosses -Third (horizontal) pa of duodenumAbdominal aoa IVCRight ureterRight psoas major
sciq
sciq_01_06977
What types of orbits do comets usually have?
[ "convex", "vertical", "elliptical", "spectral" ]
C
Comets are small, icy objects that orbit the Sun in very elliptical orbits. When they are close to the Sun, they form comas and tails, which glow and make the comet more visible.
sciq
sciq_01_02632
Did darwin believe in punctuated equilibrium or gradualism?
[ "gradualism", "punctuated equilibrium", "it depended", "neither" ]
A
Darwin thought that evolution occurs gradually. This model of evolution is called gradualism. The fossil record better supports the model of punctuated equilibrium. In this model, long periods of little change are interrupted by bursts of rapid change.
medmcqa
medmcqa_05_00984
Colon cut off sign in plain X-Ray of abdomen is seen in?
[ "Mesenteric ischemia", "Intussusception", "Acute pancreatitis", "Acute cholangitis" ]
C
Abrupt termination of the gas within the colon at the level of the radiological splenic flexure is called colon cut off sign. Inflammatory infiltration of the phrenicocolic ligament leads to the spasm of the colon and lumen narrowing at the level where colon returns to retroperitoneum.
openbookqa
obqa_02_03385
If I wanted to maintain energy I could
[ "Jump for hours", "carry heavy weights", "Run for hours", "leisure nap" ]
D
a human requires rest to be healthy
ARC-Challenge
arc_04_02540
What best explains why some cooking pans have rubber handles?
[ "The rubber in the handles is easy to hold.", "The rubber in the handles is a good insulator.", "The rubber in the handles keeps the food in the pan hot.", "The rubber in the handles keeps the metal in the pan cool." ]
B
null
math_qa
mathqa_03_02064
in the standard formulation of a flavored drink the ratio by volume of flavoring to corn syrup to water is 1 : 12 : 30 . in the sport formulation , the ratio of flavoring to corn syrup is three times as great as in the standard formulation , and the ratio of flavoring to water is half that of the standard formulation ....
[ "15", "30", "45", "60" ]
B
"standard : fl : corn s : water = 1 : 12 : 30 sport : fl : corn s : water = 3 : 12 : 180 this simplifies to 1 : 4 : 60 if the large bottle has a capacity of x ounces , then 4 x / 65 = 2 . so , x = 32.5 ounces . water = ( 60 / 65 ) * ( 65 / 2 ) = = 30 ounces . ans b"
sciq
sciq_01_05698
Depending on how matter interacts with light, it can be classified as transparent, translucent, or what?
[ "reflective", "opaque", "protective", "reactive" ]
B
Matter can be classified as transparent, translucent, or opaque depending on how it interacts with light.
openbookqa
obqa_02_00647
Pollution is
[ "Fish swimming in the sea", "The wind carrying seeds", "trees in a forest", "throwing a gum wrapper in the ocean" ]
D
pollution is when humans pollute the environment with pollutants
ARC-Easy
arc_04_00680
People can help keep a forest a good place for birds to live by
[ "dumping garbage in a small part of the forest", "building a road through the middle of the forest", "burning dead trees to make smoke in the air", "preventing too many trees from being cut down" ]
D
null
medmcqa
medmcqa_05_01005
Kwashiorkar is diagnosed in growth retarded children along with-
[ "Edema and mental changes", "Hypopigmentation and anemia", "Edema and hypopigmentation", "hepatomegaly and anemia" ]
A
Ans. is 'a' i.e., Edema and mental changes o Protein energy malnutrition ( PEM) is a spectrum of conditions ranging from mild undernutrition of extreme forms of malnutrition, i.e. Marasmus and Kwashiorkor. o Most of the child suffer from mild to moderate nutritional deficit and extreme forms (marasmus and kwashiorkor) ...
ARC-Challenge
arc_04_03074
A car is traveling on a highway at a constant velocity. Which statement best describes the forces acting on the car?
[ "The forces acting on the car are balanced.", "The forces acting on the car are in the same direction.", "The forces acting on the car are continuing to increase.", "The forces acting on the car are equal to the force of gravity." ]
A
null
sciq
sciq_01_05912
Inorganic chemical compounds can be broadly classified into two groups: ionic compounds and which other group?
[ "atomic compounds", "molecular compounds", "electromagnetic compounds", "cellular compounds" ]
B
Inorganic chemical compounds can be broadly classified into two groups: ionic compounds and molecular compounds. The structure of all ionic compounds is an extended three-dimensional array of alternating positive and negative ions. Since ionic compounds do not take the form of individual molecules, they are represented...
math_qa
mathqa_03_00405
this year , mbb consulting fired 8 % of its employees and left remaining employee salaries unchanged . sally , a first - year post - mba consultant , noticed that that the average ( arithmetic mean ) of employee salaries at mbb was 10 % more after the employee headcount reduction than before . the total salary pool all...
[ "98.5 %", "101.2 %", "102.8 %", "104.5 %" ]
B
"100 employees getting 1000 $ avg , so total salary for 100 ppl = 100000 8 % reduction in employees lead to 92 employees and a salary increase of 10 % of previous avg salary thus the new avg salary is = 10 % ( 1000 ) + 1000 = 1100 so total salary of 92 employees is 92 * 1100 = 101200 now the new salary is more than pre...
sciq
sciq_01_01952
Communication is any way that animals share what?
[ "water", "genes", "food", "information" ]
D
Communication is any way that animals share information. For animals that live in social groups, communication is essential. Animals may use a range of senses for communicating. The most important way that humans communicate is with language.
openbookqa
obqa_02_02533
A source of heat might be
[ "rubbing noses", "swimming in Antartica", "touching ice", "sitting in freezers" ]
A
a car engine is a source of heat
math_qa
mathqa_03_02499
34 men can complete a piece of work in 18 days . in how many days will 17 men complete the same work ?
[ "36", "26", "97", "26" ]
A
"explanation : let the required number of days be a . then , less men , more days ( indirect proportion ) 17 : 34 : : 18 : a 17 x a = 34 x 18 a = ( 34 x 18 ) / 17 a = 36 answer : a"
openbookqa
obqa_02_00449
what could it be indicative of, if an animal's fur has grown thicker?
[ "it could be up to something bad", "the hemisphere could be facing away from the sun", "it could be summer", "it could be dying" ]
B
An example of a seasonal change is an animal growing thick fur for keeping warm in the winter
ARC-Challenge
arc_04_02157
A toothpaste commercial states that a brand of toothpaste has a higher concentration of fluoride than any other toothpaste available. The commercial is most likely inferring that the advertised toothpaste
[ "has a pleasant flavor.", "is recommended by dentists.", "promotes good dental hygiene.", "is the most expensive brand sold." ]
C
null
medmcqa
medmcqa_05_02607
Persistent primary hyperplastic vitreous (PHPV) is associated with –
[ "Patau syndrome", "Edward syndrome", "Trisomy 14", "Downs syndrome" ]
A
Persistent Primary Hyperplastic Vitreous (PHPV) is seen in association with Trisomy 13 (Patau syndrome) and Trisomy 22.
ARC-Easy
arc_04_00785
Which method could be used to separate a solution of table salt and water?
[ "mixing", "settling", "filtration", "evaporation" ]
D
null
sciq
sciq_01_06286
What is the only substance on earth that is present in all three states of matter?
[ "air", "water", "carbon", "mercury" ]
B
Water is the only substance on Earth that is present in all three states of matter. This means that water is present as a solid, liquid, and gas. Earth is the only planet where water is present in all three states. All three phases may be present in a single location or in a region. The three phases are solid (ice or s...
medmcqa
medmcqa_05_02522
Aim of surgery in carcinoma rectum is: March 2010
[ "Limited excision of the rectum", "Sacrificing gastrointestinal continuity", "Preserving the anal sphincter", "Preserving mesorectum" ]
C
Ans. C: Preserving the anal sphincter Principles of surgical treatment for colorectal cancer: Radical excision of the rectum together with the mesorectum and associated lymph nodes Restore gastrointestinal continuity Preserve continence by preserving the anal sphincter. A sphincter saving operation (anterior resection)...
openbookqa
obqa_02_04623
A rabbit receives his essential elements from his
[ "boat", "stock brokers", "subway", "circulation system" ]
D
veins transport nutrients throughout the body
math_qa
mathqa_03_02839
if the a radio is sold for rs 490 and sold for rs 465.50 . find loss percentage .
[ "3", "5", "7", "9" ]
B
cost price = rs 490 , selling price = 465.50 . loss = rs ( 490 - 465.50 ) = rs 24.50 . loss % = [ ( 24.50 / 490 ) * 100 ] % = 5 % answer is b
ARC-Easy
arc_04_02001
If you wanted to be able to look at the stars, the planets, and the Moon more closely, what should you use?
[ "Telescope", "Periscope", "Microscope", "Magnifying glass" ]
A
null
medmcqa
medmcqa_05_03353
Phospholipid that plays an impoant role in apoptosis is?
[ "Phosphatidylcholine", "Phosphatidylserine", "Phosphatidylethanolamine", "Phosphatidylglycerol" ]
B
PHOSPHOLIPIDS ROLE Phosphatidylserine Apoptosis Dipalmitoyl phosphatidylcholine Lung surfactant Cardiolipin Mitochondrial function Biological false positive VDRL Phosphatidyl inositol Reservoir of prostaglandin synthesis signal transmission across membranes Reference: Harpers illustrated biochemistry 30th edition page ...
openbookqa
obqa_02_01894
A person decides to reproduce with another person, so beforehand they
[ "find some friends", "consider genetic implications", "consider eating dinner", "make a dollar" ]
B
reproduction is when an organism passes genetic information from itself to its offspring
sciq
sciq_01_07270
What are the extremely small particles that comprise all matter?
[ "atoms", "ions", "electrons", "protons" ]
A
All matter is composed of extremely small particles called atoms.