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7.76k
sciq
sciq_01_01937
What term is used to describe the cellular structures responsible for protein synthesis?
[ "chromosomes", "nuclei", "ribosomes", "chloroplasts" ]
C
Ribosomes Ribosomes are the cellular structures responsible for protein synthesis. When viewed through an electron microscope, free ribosomes appear as either clusters or single tiny dots floating freely in the cytoplasm. Ribosomes may be attached to either the cytoplasmic side of the plasma membrane or the cytoplasmic...
openbookqa
obqa_02_02140
Hummingbirds drink nectar from flowers, and when they leave the flower
[ "they turn bright purple", "they fall to the ground", "they bring special dust with them", "they eat small birds" ]
C
when pollen sticks to a hummingbird , that pollen will move to where the hummingbird moves
math_qa
mathqa_03_02446
a man buys a cycle for rs . 1400 and sells it at a loss of 18 % . what is the selling price of the cycle ?
[ "rs . 1148", "rs . 1160", "rs . 1190", "rs . 1202" ]
A
"solution s . p = 82 % of rs . 1400 = rs . ( 82 / 100 × 1400 ) rs . 1148 . answer a"
openbookqa
obqa_02_04341
Iron sticks to
[ "a ceramic throne", "a fridge", "a vitamin", "a beanie baby" ]
B
if something contains a large amount of magnetic material then that something will attract magnets
sciq
sciq_01_10738
All eukaryotic cells have mitochondria, but not all eukaryotic cells have what?
[ "cytoplasm", "chloroplasts", "golgi bodies", "ribosomes" ]
B
Chapter 23 1 Figure 23.5 All eukaryotic cells have mitochondria, but not all eukaryotic cells have chloroplasts. 3 Figure 23.18 C 4 D 6 C 8 D 10 B 12 C 14 A 16 A 18 Eukaryotic cells arose through endosymbiotic events that gave rise to the energy-producing organelles within the eukaryotic cells such as mitochondria and ...
math_qa
mathqa_03_04658
if x ¤ y = ( x + y ) ^ 2 - ( x - y ) ^ 2 . then √ 11 ¤ √ 11 =
[ "44", "5", "10", "15" ]
A
x = √ 11 and y also = √ 11 applying the function ( √ 11 + √ 11 ) ^ 2 - ( √ 11 - √ 11 ) ^ 2 = ( 2 √ 11 ) ^ 2 - 0 = 4 x 11 = 44 . note : alternative approach is the entire function is represented as x ^ 2 - y ^ 2 = ( x + y ) ( x - y ) which can be simplified as ( x + y + x - y ) ( x + y - ( x - y ) ) = ( 2 x ) ( 2 y ) = ...
sciq
sciq_01_03710
What happens to the wire in a fuse if it's current rating is exceed?
[ "ignites", "it melts", "disappears", "sparks" ]
B
The image above is one type of electrical fuse. This fuse has a specially designed wire inside glass housing. The wire inside the glass is made of a particular metal and with a particular thickness to give the wire an exact resistance. This resistance will allow passage of normal current plus a marginal percentage more...
math_qa
mathqa_03_00590
a fill pipe can fill 1 / 2 of cistern in 25 minutes . in how many minutes , it can fill 1 / 2 of the cistern ?
[ "10 min", "15 min", "20 min", "25 min" ]
D
"required time = 25 * 2 * 1 / 2 = 25 minutes answer is d"
ARC-Easy
arc_04_01510
Some butterflies live an average of two weeks. This period of time is called a life
[ "process", "span", "change", "cycle" ]
B
null
sciq
sciq_01_08819
What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature?
[ "Phototrophic", "endothermic", "osmotic", "hydrostatic" ]
B
29.5 Birds Birds are endothermic, meaning they produce their own body heat and regulate their internal temperature independently of the external temperature. Feathers not only act as insulation but also allow for flight, providing lift with secondary feathers and thrust with primary feathers. Pneumatic bones are bones ...
openbookqa
obqa_02_03577
pushing on the pedals of a bike cause that bike to gain
[ "a lightshow", "new tires", "kinetic motion", "extra weight" ]
C
pushing on the pedals of a bike cause that bike to move
openbookqa
obqa_02_03777
Marbles in the right light make
[ "rainbows", "thee channel change", "demons appear", "the sun appear" ]
A
a rainbow is formed by refraction of light by splitting light into all different colors
sciq
sciq_01_02800
What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation?
[ "intestinal tubules", "malpighian tubules", "olivary tubules", "integumentary tubules" ]
B
sciq
sciq_01_00079
Most plants grow continuously, except for what periods?
[ "abnormal", "winter", "mutant", "dormant" ]
D
sciq
sciq_01_05490
What is the most important muscle involved in the process of breathing?
[ "diaphragm", "trachea", "chest", "mouth" ]
A
How do lungs allow air in? Air moves into and out of the lungs by the movement of muscles. The most important muscle in the process of breathing is the diaphragm , a sheet of muscle that spreads across the bottom of the rib cage. The diaphragm and rib muscles contract and relax to move air into and out of the lungs. Du...
medmcqa
medmcqa_05_04916
Fracture of the neck of fifth metacarpal occurs in
[ "Hangman's fracture", "Jefferson's fracture", "Greenstick fracture", "Boxer's fracture" ]
D
Fracture of the neck of fifth metacarpal occurs usually due to striking the closed hand against a firm surface(Boxer's fracture) occurs in boxers. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 179
ARC-Easy
arc_04_01970
A bracket fungus grows on a dead tree and breaks it down into chemical nutrients. What term best classifies the role of a bracket fungus in this ecosystem?
[ "producer", "consumer", "parasite", "decomposer" ]
D
null
openbookqa
obqa_02_02474
A person wants to use a ruler to measure something so they measure
[ "an ounce of water", "the volume of a room", "a liter of gas", "an old broken phone" ]
D
a ruler is used for measuring the length of an object
math_qa
mathqa_03_03105
m and n are the x and y coordinates , respectively , of a point in the coordinate plane . if the points ( m , n ) and ( m + p , n + 9 ) both lie on the line defined by the equation x = ( y / 3 ) - ( 2 / 5 ) , what is the value of p ?
[ "1", "2", "3", "4" ]
C
"x = ( y / 3 ) - ( 2 / 5 ) , and so y = 3 x + 6 / 5 . the slope is 3 . ( n + 9 - n ) / ( m + p - m ) = 3 p = 3 the answer is c ."
openbookqa
obqa_02_03083
You can easily scratch a windshield with
[ "beach sand", "non-abrasive sponges", "rubber standoffs", "prophylactics" ]
A
quartz scratches glass easily
sciq
sciq_01_07766
What are the cells or structures that detect sensations?
[ "hormones", "proteins", "membranes", "receptors" ]
D
14.1 | Sensory Perception By the end of this section, you will be able to: • Describe different types of sensory receptors • Describe the structures responsible for the special senses of taste, smell, hearing, balance, and vision • Distinguish how different tastes are transduced • Describe the means of mechanoreception...
openbookqa
obqa_02_01126
Plants require
[ "oxygen", "H2O", "Fe", "clouds" ]
B
a plant requires water to grow
openbookqa
obqa_02_02441
Which of the following make sustainable, long term energy?
[ "fossil fuels", "windmills", "coal mining", "fracking" ]
B
wind is a renewable resource
math_qa
mathqa_03_00816
how many consecutive zeros are there at the end of 100 ! ( 100 factorial ) ?
[ "21", "22", "23", "24" ]
D
number of zeros will be 24 reason 100 / 5 = 20 20 / 5 = 4 so the total number of 5 will be 20 + 4 = 24 answer : d
sciq
sciq_01_03185
An electrical signal along a nerve cell triggers the secretion of what?
[ "axons", "neurotransmitter molecules", "attenuation molecules", "conduction molecules" ]
B
math_qa
mathqa_03_01671
a broker invested her own money in the stock market . during the first year , she increased her stock market wealth by 50 percent . in the second year , largely as a result of a slump in the stock market , she suffered a 30 percent decrease in the value of her stock investments . what was the net increase or decrease o...
[ "− 5 %", "5 %", "15 %", "20 %" ]
B
"assume the broker invested $ 100 . after year 1 ( 50 % increase in wealth ) : $ 100 * 0.5 = $ 50 increase + $ 100 = $ 150 after year 2 ( 30 % decrease in wealth ) : $ 150 * 0.3 = $ 45 ; $ 150 - $ 45 decrease = $ 105 net increase = $ 105 / $ 100 - 1 = 5 % answer is b ."
math_qa
mathqa_03_03599
in what time will a train 95 m long cross an electric pole , it its speed be 214 km / hr ?
[ "1.6 sec", "2.9 sec", "2.7 sec", "8.7 sec" ]
A
"speed = 214 * 5 / 18 = 59 m / sec time taken = 95 / 59 = 1.6 sec . answer : a"
math_qa
mathqa_03_01058
if 40 % of a number is equal to two - third of another number , what is the ratio of first number to the second number ?
[ "2 : 5", "1 : 4", "3 : 7", "5 : 3" ]
D
"let 40 % of a = 2 / 3 b then 40 a / 100 = 2 b / 3 2 a / 5 = 2 b / 3 a / b = 5 / 3 a : b = 5 : 3 answer is d"
medmcqa
medmcqa_05_01006
Final product in anaerobic glycolysis -
[ "Pyruvate", "Acetyl CoA", "Lactate", "Oxaloacetate" ]
C
Ans. is 'c' i.e.. Lactateo There are two types of glycolysis : -Aerobic glycolysis : - It occurs when oxygen is plentiful and the final product is pyruvate, i.e., final step is catalyzed by pyruvate kinase (see the cycle above). Which is later converted to acetyl CoA by oxidative decarboxylation. There is net gain oflA...
sciq
sciq_01_03690
What is the most abundant element in the universe?
[ "fluoride", "helium", "oxygen", "hydrogen" ]
D
Summary By far the most abundant element in the universe is hydrogen. The fusion of hydrogen nuclei to form helium nuclei is the major process that fuels young stars such as the sun. Elements heavier than helium are formed from hydrogen and helium in the interiors of stars. Successive fusion reactions of helium nuclei ...
openbookqa
obqa_02_04242
The outer casing of a tree expands how many times a year
[ "1000 times", "ten times", "once", "100 times" ]
C
a tree growing a tree-growth ring occurs once per year
sciq
sciq_01_07768
Deer ticks are the vectors for what disease that affects humans?
[ "dengue fever", "malaria", "ringworm", "lyme disease" ]
D
USDA, photo by Scott Bauer. Deer ticks are the vectors for Lyme disease . public domain.
sciq
sciq_01_04678
Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. major organs of most plants include roots, stems, and what?
[ "lungs", "leaves", "sacs", "clusters" ]
B
Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. Major organs of most plants include roots, stems, and leaves.
sciq
sciq_01_05544
What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?
[ "a zirconium", "a diamond", "a ruby", "an agate" ]
B
Diamond is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern. Each carbon atom makes four single covalent bonds in a tetrahedral geometry.
openbookqa
obqa_02_02850
A large thing that spews out destructive materials can
[ "make babies", "eat sandwiches", "level planets", "create towering hills" ]
D
mountains are formed by volcanoes
math_qa
mathqa_03_03908
if @ is a binary operation defined as the difference between an integer n and the product of n and 5 , then what is the largest positive integer n such that the outcome of the binary operation of n is less than 10 ?
[ "1", "2", "3", "4" ]
B
"the product of n and 5 = 5 n . . the difference between an integer n and the product of n and 5 = 5 n - n = 4 n . . the outcome of the binary operation of n is less than 10 ? so 4 n < 10 . . . max value that n can take as an integer is 2 answer : b"
sciq
sciq_01_09286
Which gender typically experiences growth spurts first?
[ "female", "no difference", "transgender", "male" ]
A
Like boys, girls also go through an adolescent growth spurt . However, girls typically start their growth spurt a year or two earlier than boys (and therefore a couple of centimeters shorter, on average). Girls also have a shorter growth spurt. For example, they typically reach their adult height by about age 15. In ad...
medmcqa
medmcqa_05_03340
Which of the following could be a component of conversion disorder?
[ "Pseudoseizures", "Derealisation", "Depersonalisation", "Amnesia" ]
A
Pseudoseizure can occur in conversion disorder. Paralysis, blindness and mutism are the most common conversion disorder symptoms. Anaesthesia and paresthesia especially of the extremities are the most common sensory symptoms. Other sensory symptoms includes deafness, blindness and tunnel vision. Motor symptoms associat...
sciq
sciq_01_02430
Which country is formed by a hotspot along the mid-atlantic ridge?
[ "iceland", "Switzerland", "norway", "finland" ]
A
Hotspots may also be active at plate boundaries. This is especially common at mid-ocean ridges. Iceland is formed by a hotspot along the Mid-Atlantic Ridge.
openbookqa
obqa_02_03941
These would likely be broken down and recycled
[ "waste helium", "waste hydrogen", "pallets", "waste oil" ]
C
wood is a renewable resource
math_qa
mathqa_03_00575
the output of a factory was increased by 10 % to keep up with rising demand . to handle the holiday rush , this new output was increased by 25 % . by approximately what percent would the output now have to be decreased in order to restore the original output ?
[ "20 %", "24 %", "30 %", "27 %" ]
D
"the original output increases by 10 % and then 25 % . total % change = a + b + ab / 100 total % change = 10 + 25 + 10 * 25 / 100 = 37.5 % now , you want to change it to 0 , so , 0 = 37.5 + x + 37.5 x / 100 x = - 37.5 ( 100 ) / 137.5 = 27 % approximately answer is d"
sciq
sciq_01_03537
What type of ions play critical roles in light-dependent reactions?
[ "hydrogen", "silicon", "helium", "calcium" ]
A
The replacing of the electron enables chlorophyll to respond to another photon. The oxygen molecules produced as byproducts find their way to the surrounding environment. The hydrogen ions play critical roles in the remainder of the light-dependent reactions. Keep in mind that the purpose of the light-dependent reactio...
sciq
sciq_01_04105
The amniotic egg first evolved in what species?
[ "mammals", "reptiles", "birds", "amphibians" ]
B
Amniotic Egg. The amniotic egg is an important adaptation in fully terrestrial vertebrates. It first evolved in reptiles. The shells of reptile eggs are either hard or leathery.
sciq
sciq_01_07066
What fuels provide most of the energy used worldwide?
[ "solar", "fossil", "renewable", "hydroelectric" ]
B
Fossil fuels provide most of the energy used worldwide. Richer nations use far more energy resources, especially fossil fuels, than poorer nations do. There are several ways that people can conserve energy in their daily lives.
sciq
sciq_01_05010
What process consists of the mechanisms that produce an observed pattern of change?
[ "variation", "cycle", "repetition", "evolution" ]
D
openbookqa
obqa_02_01980
When a song is played your ears can
[ "change the source", "rearrange the pitch", "hum the tune", "perceive the rhythm" ]
D
when sound reaches the ear , that sound can be heard
math_qa
mathqa_03_00047
what is the 28 th digit to the right of the decimal point in the decimal form of 4 / 11 ?
[ "3", "4", "5", "6" ]
D
"4 / 11 = 0.363636 . . . the even numbered positions in the decimal expansion are all 6 . the answer is d ."
openbookqa
obqa_02_01951
A boy wants to collect clams for supper and must therefore spend time
[ "in lake shallows", "in desert sands", "in rocky hills", "in sea depths" ]
D
clams live at the bottom of the ocean
medmcqa
medmcqa_05_02383
Titration of the dose of a drug with the response can be done with which of the following routes of administration:
[ "Sublingual", "Transdermal", "Inhalational", "Subcutaneous" ]
C
- Titration of drug dosage can be done only with the inhalational route of administration among the given options.
sciq
sciq_01_10050
An ecosystem consists of all the living things and what?
[ "nonliving environment", "phosphorescent environment", "living environment", "local environment" ]
A
An ecosystem consists of all the living things ( biotic factors ) in a given area, together with the nonliving environment ( abiotic factors ). The nonliving environment includes water, sunlight, soil, and other physical factors.
sciq
sciq_01_00958
What do we call the major artery carrying recently oxygenated blood away from the heart?
[ "muscular artery", "capillary", "aorta", "arteriole" ]
C
Arterial Supply The major artery carrying recently oxygenated blood away from the heart is the aorta. The very first branches off the aorta supply the heart with nutrients and oxygen. The next branches give rise to the common carotid arteries, which further branch into the internal carotid arteries. The external caroti...
sciq
sciq_01_10199
What forces keep the moon orbiting the earth?
[ "gravitational", "polar", "cosmic", "magnetic" ]
A
This photograph was taken by Apollo 8 crewmember Bill Anders on December 24, 1968, showing the Earth rising above the lunar surface. Gravitational forces keep the moon orbiting the Earth.
openbookqa
obqa_02_00701
A weed will only live in the
[ "dirt", "air", "sink", "house" ]
A
if a weed is pulled then that weed is destroyed
sciq
sciq_01_06886
What is a measure of the force of gravity pulling on an object of a given mass?
[ "scale", "effect", "weight", "solidity" ]
C
Newton’s second law of motion explains the weight of objects. Weight is a measure of the force of gravity pulling on an object of a given mass. It’s the force (F) in the acceleration equation that was introduced above:.
math_qa
mathqa_03_01563
a alone can do a piece of work in 6 days and b alone in 8 days . a and b undertook to do it for rs . 5000 . with the help of c , they completed the work in 3 days . how much is to be paid to c ?
[ "s . 375", "s . 425", "s . 625", "s . 800" ]
C
"c ' s 1 day ' s work = 1 / 3 - ( 1 / 6 + 1 / 8 ) = 1 / 3 - 7 / 24 = 1 / 24 a ' s wages : b ' s wages : c ' s wages = 1 / 6 : 1 / 8 : 1 / 24 = 4 : 3 : 1 c ' s share ( for 3 days ) = rs . ( 3 * 1 / 24 * 5000 ) = rs . 625 answer = c"
medmcqa
medmcqa_05_02966
The characteristic feature of apoptosis on light microscopy is -
[ "Cellular swelling", "Nuclear compaction", "Intact cell membrane", "Cytoplasmic eosinophlia" ]
B
Ans. is 'b' i.e., Nuclear compaction o The most characteristic feature of apoptosis is condensation of nuclear chromatin which corresponds to nuclear compaction (pyknosis) on light microscopy.
ARC-Challenge
arc_04_02738
The rate of growth for a species of grass was measured in a treeless yard and tree-shaded yard. The grass grew twice as fast in the treeless yard. Which factor most likely contributed to the difference in growth rate?
[ "amount of animals", "amount of light", "amount of soil", "amount of rain" ]
B
null
medmcqa
medmcqa_05_04928
Which of the following bones do not contribute the nasal septum:
[ "Sphenoid", "Lacrimal", "Palatine", "Ethmoid" ]
B
Nasal septum consists of 1)Osseous pa-Vomer,perpendicular plate of ethmoid,Nasal crest of nasal bone,nasal soine of front bone,nasal crest of palatine bone,nasal crest of maxillary bone,Rostrum of sphenoid bone. 2)Cailaginous pa-septal cailage Ref.Dhingra 5/e,p 162,6/e,p 147.
math_qa
mathqa_03_00890
set j consists of 15 consecutive even numbers . if the smallest term in the set is - 10 , what is the range of the positive integers in set j ?
[ "10", "12", "14", "16" ]
D
"since there are only 15 integers , another approach is the just list all 15 . we get : - 10 , - 8 , - 6 , - 4 , - 2 , 0,2 , 4 , 6 , 8 , 10 , 12 , 14 , 16 , 18 range of positive integers = 18 - 2 = 16 answer : d"
ARC-Easy
arc_04_01413
Some objects conduct electricity. Which object is the best conductor of electricity?
[ "a metal fork", "a wood spoon", "a plastic comb", "a rubber eraser" ]
A
null
sciq
sciq_01_05510
What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance?
[ "pattern", "generational replacement", "succession", "supression" ]
C
Community Dynamics Community dynamics are the changes in community structure and composition over time, often following environmental disturbances such as volcanoes, earthquakes, storms, fires, and climate change. Communities with a relatively constant number of species are said to be at equilibrium. The equilibrium is...
medmcqa
medmcqa_05_00774
DALY is -
[ "Disease - Adjusted Life year", "Disability Adjusted Life year", "Disease Associated Life year", "Disability Associated Life year" ]
B
Ans. is 'b' i.e., Disability Adjusted Life year
sciq
sciq_01_03087
What are the small units that comprise nucleic acids?
[ "chromosomes", "genes", "filaments", "nucleotides" ]
D
DNA and RNA are nucleic acids. Nucleic acids are built of small units called nucleotides.
math_qa
mathqa_03_02114
a man ' s speed with the current is 21 km / hr and the speed of the current is 2.5 km / hr . the man ' s speed against the current is ?
[ "10", "20", "16", "30" ]
C
"man ' s speed with the current = 21 km / hr = > speed of the man + speed of the current = 21 km / hr speed of the current is 2.5 km / hr hence , speed of the man = 21 - 2.5 = 18.5 km / hr man ' s speed against the current = speed of the man - speed of the current = 18.5 - 2.5 = 16 km / hr answer is c ."
openbookqa
obqa_02_01261
Some pupa may
[ "Use wet towels", "never happen", "go into sand", "Eat candy" ]
C
the cocoons being created occurs during the the pupa stage in a life cycle
sciq
sciq_01_07356
The development of specific structures in specific locations is called what?
[ "pattern formation", "specialty skills", "adaptation", "speciation" ]
A
sciq
sciq_01_06529
What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum?
[ "fibroblasts", "epithelial", "osteoblast", "congenial" ]
C
The osteoblast is the bone cell responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum. Osteoblasts, which do not divide, synthesize and secrete the collagen matrix and calcium salts. As the secreted matrix surrounding the osteoblast calcifies, the osteobla...
sciq
sciq_01_08660
Some fruit, like peaches, only have one big seed. what is this seed called?
[ "the middle", "the core", "the seed", "the pit" ]
D
ARC-Challenge
arc_04_02215
Cells are the basic unit of structure and function in all living organisms. Which describes the greatest difference between the cells of a baby gorilla and the cells of an adult gorilla?
[ "The adult has more cells than the baby.", "The baby has simpler cells than an adult.", "The baby has smaller cells than the adult.", "The adult has different types of cells than the baby." ]
A
null
sciq
sciq_01_00856
The milky way galaxy is which shape type of galaxy?
[ "spiral", "cylindrical", "spherical", "helical" ]
A
The Milky Way Galaxy is a spiral galaxy that contains about 400 billion stars. Like other spiral galaxies, it has a disk, a central bulge, and spiral arms. The disk is about 100,000 light-years across. It is about 3,000 light years thick. Most of the galaxy’s gas, dust, young stars, and open clusters are in the disk. S...
openbookqa
obqa_02_01349
Deposition is caused by what?
[ "venus wind", "forceful gales", "airplanes", "eroding mentalities" ]
B
erosion causes deposition
medmcqa
medmcqa_05_01893
Referred otalgia from base of tongue or oropharynx is carried by nerve:
[ "Cranial nerve V", "Cranial nerve VII", "Cranial nerve IX", "Cranial nerve X" ]
C
The Jacobson nerve, tympanic branch of glossopharyngeal nerve (cranial nerve IX) directly innervates the ear but also has pharyngeal, lingual, and tonsillar branches to supply the posterior one-third poion of the tongue, tonsillar fossa, pharynx, eustachian tube, and parapharyngeal and retropharyngeal spaces. So any pa...
openbookqa
obqa_02_02466
A light that is turned on will be connected to wiring, which will
[ "be shredded", "feel toasty", "be wooden", "be icy" ]
B
electrical current running through a wire causes that wire to heat up
ARC-Easy
arc_04_00286
In New York State, the longest period of daylight occurs during which month?
[ "June", "March", "December", "September" ]
A
null
sciq
sciq_01_05411
How many chambers does the stomach of a ruminant have?
[ "5", "1", "4", "3" ]
C
medmcqa
medmcqa_05_03108
cove sensitization is a type of
[ "analytic therapy", "behavioral therapy", "mindfulness therapy", "dynamic therapy" ]
B
In cove sensitization also called as imagined punishment, the individual who wants to quit alcohol will be asked to think about adverse consequences of taking alcohol like getting arrested for drunken driving or facing a accident underintoxicated state. He would be told to dream as if if he is drunk and lies intoxicate...
openbookqa
obqa_02_04826
Which organism would eat fish and live in marshland?
[ "a tree", "a whale", "a warthog", "an alligator" ]
D
alligators eat fish
math_qa
mathqa_03_01114
a number divided by 44 leaves remainder 12 what is the remainder when same number divided by 12
[ "7", "8", "9", "10" ]
B
"add 44 + 12 = 56 now 56 divided by 12 so we get 8 as reaminder answer : b"
ARC-Easy
arc_04_00526
What is the density of a 64-g iron cube that displaces 8 mL of water?
[ "512 g/mL", "32 g/mL", "8 g/mL", "4 g/mL" ]
C
null
sciq
sciq_01_05645
In contrast to precision, this term means how close a measurement is to the correct or accepted value of the quantity being measured?
[ "deviant", "diversity", "accuracy", "frequency" ]
C
In everyday speech, the terms accuracy and precision are frequently used interchangeably. However, their scientific meanings are quite different. Accuracy is a measure of how close a measurement is to the correct or accepted value of the quantity being measured. Precision is a measure of how close a series of measureme...
ARC-Easy
arc_04_01161
Which change increases the rate of a chemical reaction?
[ "increasing the reaction temperature", "using larger particles of solid reactants", "reducing the concentration of the reactants", "adding an inhibitor to the reaction mixture" ]
A
null
medmcqa
medmcqa_05_01362
Increased intra-cranial tension is related to:
[ "Hyotension and tachycardia", "Hypertension and tachycardia", "Hypertension and bradycardia", "Hypotension and bradycardia" ]
C
Ans. (c) Hypertension and BradycardiaRef: Harrison 18th edition, chapter 25* Cushing's reflex = a hypothalamic response to brain ischemia wherein the sympathetic nervous system is activated which causes increased peripheral vascular resistance with a subsequent increase in BP.* The increased BP then activates the paras...
openbookqa
obqa_02_00274
while passing Jupiter the
[ "better the view", "stronger the gravity", "moon orbits you", "gravitational force weakens" ]
B
as distance from an object decreases , the the pull of gravity on that object increases
openbookqa
obqa_02_01909
As air begins to chill, it may push out
[ "sand", "liquids", "fire", "carrots" ]
B
dew is formed when water vapor condenses over night
math_qa
mathqa_03_01195
a good train 800 metres long is running at a speed of 78 km / hr . if it crosses a tunnel in 1 minute , then the length of the tunnel ( in meters ) is :
[ "600", "300", "400", "500" ]
D
speed = 78 * 5 / 18 m / sec = = > 65 / 3 length of the tunnel be x then 800 + x / 60 = 65 / 3 3 ( 800 + x ) = 3900 x = 500 answer d
sciq
sciq_01_08040
What is an alloy of copper and tin?
[ "zinc", "bronze", "gold", "silver" ]
B
Bronze, an alloy of copper and tin, has been in use since ancient times. The Bronze Age saw the increased use of metals rather than stone for weapons, tools, and decorative objects. Brass, an alloy of copper and zinc, is widely used in musical instruments like the trumpet and trombone.
sciq
sciq_01_10840
Ginkgo trees are gymnosperms with broad?
[ "leaves", "fruits", "roots", "trunks" ]
A
Ginkgo trees are gymnosperms with broad leaves.
math_qa
mathqa_03_04770
at what rate percent on simple interest will rs . 750 amount to rs . 950 in 5 years ?
[ "3.33 %", "5.93 %", "4.33 %", "5.33 %" ]
D
"200 = ( 750 * 5 * r ) / 100 r = 5.33 % answer : d"
openbookqa
obqa_02_02023
If an electric circuit has six paths and another electric circuit has one path, the six path circuit is
[ "really broken", "singular", "equidistant", "slowly burning" ]
C
if electricity flows along more than one pathway then the circuit is parallel
sciq
sciq_01_06088
Physical science is defined as the study of what?
[ "light & matter", "matter & energy", "biology & light", "matter & elements" ]
B
Look at the topographic map of Stowe, Vermont ( Figure below ). There is a steep hill rising just to the right of the city of Stowe. You can tell this because the contour lines there are closely spaced. The contour lines also show that the hill has a sharp rise of about 200 feet. Then the slope becomes less steep towar...
sciq
sciq_01_00262
While climate change in earth history was due to natural processes, what is primarily to blame for recent global warming?
[ "wars", "human actions", "factories", "volcanos" ]
B
Climate change in Earth history was due to natural processes. Recent global warming is due mainly to human actions. The burning of fossil fuels releases greenhouse gases into the air. This creates greater greenhouse effect and global warming.
sciq
sciq_01_05024
The simplest organic compounds have hydrogen and what else?
[ "sodium", "nitrogen", "oxygen", "carbon" ]
D
The simplest organic compounds are those composed of only two elements: carbon and hydrogen. These compounds are called hydrocarbons. Hydrocarbons themselves are separated into two types: aliphatic hydrocarbons and aromatic hydrocarbons. Aliphatic hydrocarbons are hydrocarbons based on chains of C atoms. There are thre...
math_qa
mathqa_03_03677
a shopkeeper sells 20 % of his stock at 10 % profit ans sells the remaining at a loss of 5 % . he incurred an overall loss of rs . 350 . find the total worth of the stock ?
[ "20029", "20000", "20289", "17500" ]
D
"let the total worth of the stock be rs . x . the sp of 20 % of the stock = 1 / 5 * x * 1.1 = 11 x / 50 the sp of 80 % of the stock = 4 / 5 * x * 0.95 = 19 x / 25 = 38 x / 50 total sp = 11 x / 50 + 38 x / 50 = 49 x / 50 overall loss = x - 49 x / 50 = x / 50 x / 50 = 350 = > x = 17500 answer : d"
math_qa
mathqa_03_03529
what is the total number of prime numbers less than 70 ?
[ "17", "18", "19", "20" ]
C
solution prime numbers less than 70 are = 12 . 2,3 , 5,7 , 11,13 , 17,19 , 23,29 , 31,37 , 41,43 , 47,53 , 59,61 , and 67 their number is 19 . answer c
sciq
sciq_01_09328
Why do electronegativities decrease from top to bottom?
[ "smaller atomic size", "larger electric pull", "larger atomic variation", "larger atomic size" ]
D
Electronegativities generally increase from left to right across a period. This is due to an increase in nuclear charge because of the greater number of protons in the nucleus. Alkali metals have the lowest electronegativities, while halogens have the highest. Because most noble gases do not form compounds, they are ge...
medmcqa
medmcqa_05_01253
Scabies in adults differs from that in children by –
[ "Not involving face", "Non involving genitals", "Not involves areola", "Involves whole body" ]
A
Scalp, face, palm and soles are characteristically spared in adult, whereas these areas are involved in infants and young children.
math_qa
mathqa_03_04217
in a certain kindergarten , half of the children are allergic to peanuts , 10 children are not allergic to cashew nuts , 10 children are allergic to both peanuts and cashew nuts , and 18 children are allergic to cashew nuts . how many of the kindergarten ' s children are not allergic to peanuts and are not allergic to ...
[ "14", "10", "8", "6" ]
D
we are given children allergic to cashew nuts as 18 and not allergic to cashew nuts as 10 , so total = 10 + 18 = 28 . . . children allergic to both are 10 . . . 18 are allergic to cashew nuts , so and half or 28 / 2 = 14 are allergic to peanuts . . so children allergic to at least one of the two are 18 + 14 - 10 = 22 ....
medmcqa
medmcqa_05_04575
Methotrexate toxicity is prevented by giving?
[ "Folic acid", "Folinic add", "Citric acid", "Glucaric acid" ]
B
Ans. is 'b' i.e., Folinic acid * Folinic acidFor preventing methotrexate toxicity* AllopurinolTo prevent hyperuricemia caused by rapid destruction of cells during cancer chemotherapy.* Lithium carbonateIt has stimulant effect on bone marrow, so used during myelosuppresive drug therapy.* OndensetronFor controlling cytot...
sciq
sciq_01_09943
What do power plants burn to generate electricity?
[ "biofuel", "fossil fuels", "nuclear fuel", "timber" ]
B
Power plants and factories account for more than a quarter of fossil fuel use. Power plants burn fossil fuels to generate electricity. Factories burn fossil fuels to power machines.
sciq
sciq_01_09535
Plaque is surgically removed from the walls of a vessel in which surgery?
[ "endarterectomy", "lumpectomy", "discectomy", "arthroscopy" ]
A
whereas atherosclerosis is a more specific term for the build-up of plaque in the walls of the vessel and is a specific type of arteriosclerosis. There is also a distinct genetic component, and pre-existing hypertension and/or diabetes also greatly increase the risk. However, obesity, poor nutrition, lack of physical a...