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sciq
sciq_01_00734
What term means opposition to the flow of electric charges that occurs when electric current travels through matter?
[ "polarity", "antagonism", "diffusion", "resistance" ]
D
Resistance is opposition to the flow of electric charges that occurs when electric current travels through matter. The SI unit of resistance is the ohm (named for the scientist Georg Ohm, whom you can read about below). Resistance is caused by electrons in a current bumping into electrons and ions in the matter through...
sciq
sciq_01_06095
What does burning wood release into the atmosphere?
[ "helium", "carbon dioxide", "hydrogen chloride", "oxygen" ]
B
Forests are also being destroyed. Trees may be cut down for their wood, or they may be burned to clear the land for farming. Burning wood releases more carbon dioxide into the atmosphere. You can see how a tropical rainforest was cleared for farming in Figure below . With forests shrinking, there are fewer trees to rem...
sciq
sciq_01_06430
What type of animal are most reptiles in regards to diet?
[ "herbivores", "arthropods", "omnivores", "carnivores" ]
D
Most reptiles are carnivores, and large reptiles are the top predators in their ecosystems.
math_qa
mathqa_03_01166
if 22 lines are drawn in a plane such that no two of them are parallel and no three are concurrent , then in how many points do they intersect ?
[ "125", "187", "231", "375" ]
C
"if two lines are not parallel , then they will intersect in exactly one point . lines can be extended infinitely on both ends so somewhere they will intersect with each other if they are not parallel . we are also given that no three lines are concurrent . this means that no three lines intersect at the same point . s...
medmcqa
medmcqa_05_02693
A 25 year old man presented with fever, cough, expectoration and breathlessness of 2 months duration. Contrast enhanced computed tomography of the chest showed bilateral upper lobe fibrotic lesions and mediastinum had enlarged necrotic nodes with peripheral rim enhancement. Which one of the following is the most probab...
[ "Sarcoidosis", "Tuberculosis", "Lymphoma", "Silicosis" ]
B
Answer is B (Tuberculosis) : Most common cause of necrotic lymph nodes with peripheral rim enhancement is tuberculosis. Peripheral rim enhancement is seen in most granulomatous lymphadenopathies. Most common cause of necrotic lymph nodes with peripheral rim enhancement is Tuberculosis - In tuberculosis affected lymph n...
sciq
sciq_01_09991
What is added to alcohol and used as an antiseptic?
[ "chloride", "arsenic", "chlorine", "iodine" ]
D
Iodine is added to alcohol and used as an antiseptic. It reacts with germs on cuts and wounds. Small amounts of iodine are also needed for good health. In the U. S. , iodine is added to table salt to prevent iodine deficiencies. Does the salt you use contain iodine?.
ARC-Easy
arc_04_00812
A researcher observes that an organism placed in a glass container filled with water moves away when a penlight is focused on the container. The researcher concludes that the organism is light sensitive. Which other explanation for the organism's response to the light is most possible?
[ "The organism avoids radio waves.", "The organism avoids gamma rays.", "The organism moves away from vibrations.", "The organism moves away from heat sources." ]
D
null
sciq
sciq_01_02123
Earth goes through regular changes in its position relative to?
[ "the sun", "the moon", "saturn", "mars" ]
A
Earth goes through regular changes in its position relative to the Sun. Its orbit changes slightly. Earth also wobbles on its axis of rotation. The planet also changes the tilt on its axis. These changes can affect Earth’s temperature.
medmcqa
medmcqa_05_00913
The most common causative agent of meningitis in the age group of 6 months -3 year amongst the following is
[ "Streptococcus agalactiae", "H. influenzae", "Staphylococcus", "N. gonorrhoeae" ]
A
The most common meningitis occurs In case of 6 months to 3 yr old children is haemophilus influenza. Reference: GHAI Essential pediatrics, 8th edition
sciq
sciq_01_03923
What are 3 types of light?
[ "diffuse, ambient, opaque", "solar , visible , ultraviolet", "complementary, incandescent, fluorescent", "infrared, visible, ultraviolet" ]
D
Electromagnetic waves that are commonly called light fall roughly in the middle of the electromagnetic spectrum. Light includes infrared light, visible light, and ultraviolet light.
openbookqa
obqa_02_02997
Which would likely render a habitat dead?
[ "planting new trees", "a light drizzle", "a human camping", "an apartment complex" ]
D
if a habitat is destroyed then that habitat can not support animals
ARC-Easy
arc_04_01862
In order for boulders to become sediments, the boulders must first be
[ "heated and melted.", "weathered and eroded.", "recrystallized.", "buried." ]
B
null
sciq
sciq_01_00969
Which part of all mammals have the same basic bone structure?
[ "forelimbs", "ankles", "knees", "necks" ]
A
The forelimbs of all mammals have the same basic bone structure.
ARC-Easy
arc_04_01606
Which most accurately describes a circle (pie) graph?
[ "used to demonstrate change in temperature only", "used to demonstrate change that is continuous", "used to demonstrate change that is not continuous", "used to describe how part of the data relates to all of the data" ]
D
null
ARC-Easy
arc_04_02102
Which is the first step in a design process?
[ "Revise the solution.", "Describe the problem.", "Test the possible solutions.", "Identify possible solutions." ]
B
null
sciq
sciq_01_10801
In which organs does gas exchange take place between blood and air?
[ "kidneys", "esophagus and larynx", "lungs", "liver and spleen" ]
C
Respiration begins with ventilation . This is the process of moving air in and out of the lungs. The lungs are the organs in which gas exchange takes place between blood and air.
openbookqa
obqa_02_03004
Which of the following could harbor unsafe bacteria?
[ "hand sanitizer", "unwashed greens", "properly cooked beef", "washed carrots" ]
B
bacteria can cause people to become ill
medmcqa
medmcqa_05_04390
What constitutes malpighian layer
[ "Stratum lucidum", "Stratum spinosum", "Stratum granulosum", "Stratum spinosum and basale" ]
D
Stratum basale + stratum spinosum = malphigian layer Layers of the epidermis : Stratum basale: Deepest layer. Single layer of columnar cells on the basal lamina aka germinal layer - produces Keratinocytes Stratum spinosum: Several layers of polygonal keratinocytes attached to one another by desmosomes (responsibly for ...
medmcqa
medmcqa_05_00804
In tuberculosis in an AIDS patient the chest X-ray looks like:
[ "Miliary shadow", "Cavity", "Consolidation", "Collapse" ]
A
Ans. Miliary shadow
openbookqa
obqa_02_04016
Skittles left in snow become
[ "hot", "mushy", "hard", "soft" ]
C
something in a cold place becomes cold
sciq
sciq_01_04714
Acne and different types of cancer can affect what large organ?
[ "brain", "skin", "liver", "lungs" ]
B
Common skin problems include acne and skin cancer.
sciq
sciq_01_04351
What is another term for the parabolic motion of a thrown object?
[ "newtonian motion", "simple motion", "regular motion", "projectile motion" ]
D
In this chapter, we aim to understand and explain the parabolic motion of a thrown object, known as projectile motion. Motion in one direction is unrelated to motion in other perpendicular directions. Once the object has been thrown, the only acceleration is in the (up/down) direction. The (right/left) direction veloci...
math_qa
mathqa_03_03726
jack and jill work at a hospital with 5 other workers . for an internal review , 2 of the 7 workers will be randomly chosen to be interviewed . what is the probability that jack and jill will both be chosen ?
[ "1 / 3", "1 / 4", "1 / 21", "3 / 8" ]
C
"1 / 7 c 2 = 1 / 21 . answer : c ."
math_qa
mathqa_03_04606
in a group of people , if 30 people were made to stand in each column , 16 columns could be formed . if 32 people were made to stand in a column , how many columns could be formed ?
[ "15", "20", "25", "30" ]
A
"16 * 30 = 32 * n n = 15 the answer is a ."
ARC-Challenge
arc_04_03010
Which of the following factors would most likely cause a hurricane to decrease in strength?
[ "staying over a warm body of water for a long time.", "increasing the number of large clouds.", "moving over a continent.", "moving toward tropical waters." ]
C
null
sciq
sciq_01_08416
What occurs when two wave crests overlap?
[ "constructive dissonance", "constructive overlap", "constructive interference", "forth interference" ]
C
Constructive interference occurs when two wave crests overlap, doubling the wave amplitude at that location.
sciq
sciq_01_04332
What do earth and the other planets in the solar system make around the sun?
[ "radial orbits", "smooth orbits", "elevated orbits", "elliptical orbits" ]
D
Earth and the other planets in the solar system make elliptical orbits around the Sun. The ellipses in this image are highly exaggerated.
sciq
sciq_01_08013
What is a form of mechanical energy that starts with a vibration in matter?
[ "sound energy", "industrial energy", "electrical energy", "solar energy" ]
A
6. Sound energy is a form of mechanical energy that starts with a vibration in matter. For example, the singer’s voice starts with vibrations of his vocal cords, which are folds of tissue in his throat. The vibrations pass to surrounding particles of matter and then from one particle to another in waves. Sound waves ca...
math_qa
mathqa_03_04745
ravi and sunil are partners in a business . ravi invests rs . 18,000 for 8 months and sunil invested rs . 10000 for 10 months then after one year ratio of their profits will be
[ "1 : 3", "36 : 25", "3 : 2", "4 : 5" ]
B
"= ( 18000 * 8 ) : ( 10000 * 10 ) = 144000 : 100000 = 36 : 25 answer : b"
sciq
sciq_01_07714
Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what?
[ "bellows", "springs", "filters", "tiny bubbles" ]
D
Figure 11.31 Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. The alveoli act like tiny bubbles. The surface tension of their mucous lining aids in exhalation and can prevent inhalation if too great.
openbookqa
obqa_02_04543
Glasses help you
[ "fry ants", "pay for crimes", "remedy eyesight issues", "observe Uranus" ]
C
seeing is used for sensing visual things
openbookqa
obqa_02_04132
A source of heat could be
[ "a cold soda", "an ice cube", "a mini flashlight", "snow" ]
C
a radiator is a source of heat
math_qa
mathqa_03_03675
20 is added to a certain number , the sum is multiplied by 2 , the product is divided by 2 and 2 is subtracted from the quotient . the remainder left is half of 88 . what is the number ?
[ "21", "20", "26", "30" ]
C
"let number is x . when 20 added to it , = ( x + 20 ) 2 multiplied to sum , = 2 * ( x + 20 ) now , = [ { 2 * ( x + 20 ) } / 2 ] and , = [ { 2 * ( x + 20 ) } / 2 ] - 2 according to question , [ { 2 * ( x + 20 ) } / 2 ] - 2 = half of 88 [ ( 2 x + 40 ) / 2 ) = 44 + 2 2 x + 40 = 46 * 2 x + 20 = 46 x = 46 - 20 x = 26 so , r...
math_qa
mathqa_03_04714
if 13 = 13 w / ( 1 - w ) , then ( 5 w ) 2 =
[ "1 / 4", "5", "1", "2" ]
B
"13 - 13 w = 13 w 26 w = 13 w = 1 / 2 5 w = 5 / 2 5 w * 2 = 5 / 2 * 2 = 5 answer : b"
sciq
sciq_01_09670
Why is gingko biloba planted in public spaces?
[ "self-containing", "self-pollinating", "for xeriscaping", "resistant to pollution" ]
D
Gingkophytes The single surviving species of the gingkophytes group is the Gingko biloba (Figure 26.11). Its fan-shaped leaves—unique among seed plants because they feature a dichotomous venation pattern—turn yellow in autumn and fall from the tree. For centuries, G. biloba was cultivated by Chinese Buddhist monks in m...
sciq
sciq_01_08144
What is another term for dry ice?
[ "ice crystals", "carbonated ice", "solid carbon dioxide", "liquid nitrogen" ]
C
Solid carbon dioxide is also called dry ice. That’s because when it gets warmer and changes state, it doesn’t change to a liquid by melting. Instead, it changes directly to a gas without going through the liquid state. The process in which a solid changes directly to a gas is called sublimation . It occurs when energy ...
sciq
sciq_01_06426
Magnetite crystals in lava typically point to what geographic location?
[ "magnetic south pole", "geographic north pole", "magnetic north pole", "the equator" ]
C
Magnetite crystals in the lava point in the direction of the magnetic north pole. The different stripes of magnetic polarity reveal the different ages of the seafloor.
sciq
sciq_01_00444
What is the term for species evolving together?
[ "specmutation", "conjuration", "coevolution", "interconnection" ]
C
Coevolution occurs when species evolve together. This often happens in species that have symbiotic relationships. Examples include flowering plants and their pollinators.
openbookqa
obqa_02_04375
If you missed the rising moon today you will have to wait till when to see it again
[ "30 years", "10 months", "10 minutes", "24 hours" ]
D
the moon rising occurs once per day
sciq
sciq_01_09487
If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?
[ "they pop", "they multiply", "they get smaller", "they get bigger" ]
D
Gas bubbles get bigger when they are under less pressure.
sciq
sciq_01_03810
Brown algae are important commodities for what?
[ "reptiles", "fish", "humans", "parasites" ]
C
ARC-Easy
arc_04_01426
Increased populations can lead to the depletion of locally available resources. Compared to other communities, which of these locally available resources is most likely to be depleted in desert communities?
[ "mineral", "oxygen", "gasoline", "water" ]
D
null
math_qa
mathqa_03_03333
a train covers a distance of 14 km in 10 min . if it takes 6 sec to pass a telegraph post , then the length of the train is ?
[ "m", "m", "m", "m" ]
C
"speed = ( 14 / 10 * 60 ) km / hr = ( 84 * 5 / 18 ) m / sec = 70 / 3 m / sec . length of the train = 70 / 3 * 6 = 140 m . answer : c"
medmcqa
medmcqa_05_01194
According to the transplantation of Human organs act 1994, the provision for the punishment of imprisonment for an erring doctor is:
[ "Less than 1 year", "Less than 2 years", "2 to 5 years", "More than 5 years" ]
D
Ans- D Ref- The Transplantation of Human Organs Act, 1994 The Transplantation of Human Organs Act, 1994 was enacted by the Parliament during 1994 and came into force on February 4, 1995 in the States of Goa, Himachal Pradesh and Maharashtra and all the Union Territories. Thereafter it was adopted by all States except t...
openbookqa
obqa_02_03291
What requires nutrients to grow and gets nutrients with use of beak apparatus?
[ "dirt", "birds", "computers", "metals" ]
B
a beak is used for catching prey by some birds
ARC-Challenge
arc_04_02708
All of the following are part of an animal life cycle except
[ "growth.", "fertilization.", "binary fission.", "gamete development." ]
C
null
medmcqa
medmcqa_05_04008
Marker of chronic inflammation is?
[ "IL-1, IL-6", "IL-1, TNF", "IL-6, TNF", "IL-12, IFN-g" ]
D
Interleukin 12 and Interferon-gamma are the major markers of chronic inflammation. REF:Textbook of microbiology, Ananthanarayan, and Paniker.
openbookqa
obqa_02_03035
If an instrument is played, this may occur
[ "something is ignored", "something is spit", "something is flicked", "something is killed" ]
C
An example of playing a musical instrument is hitting the keys of a piano
math_qa
mathqa_03_00608
a , b and c can do a work in 90 , 45 and 6 days respectively . if they work together , in how many days will they complete the work ?
[ "5", "6", "7", "8" ]
A
one days ' s work of a , b and c = 1 / 90 + 1 / 45 + 1 / 6 = ( 1 + 2 + 15 ) / 90 = 1 / 5 a , b and c together can do the work in 5 days . answer : a
math_qa
mathqa_03_03488
there were totally 100 men . 82 are married . 75 have t . v , 85 have radio , 70 have a . c . how many men have t . v , radio , a . c and also married ?
[ "11", "12", "13", "14" ]
B
"100 - ( 100 - 82 ) - ( 100 - 75 ) - ( 100 - 85 ) - ( 100 - 70 ) = 100 - 18 - 25 - 15 - 30 = 100 - 88 = 12 answer : b"
ARC-Challenge
arc_04_02713
To conserve the supply of nonrenewable resources, it is best to recycle
[ "newspapers.", "phonebooks.", "paper towels.", "soda cans." ]
D
null
ARC-Easy
arc_04_01398
Which of these elements is likely to be found in an organic compound?
[ "helium", "hydrogen", "mercury", "tin" ]
B
null
math_qa
mathqa_03_03181
the front wheels of a wagon are 2 π feet in circumference and the rear wheels are 3 π feet in circumference . when the front wheels have made 10 more revolutions than the rear wheels , how many feet has the wagon travelled ?
[ "30 π", "45 π", "60 π", "90 π" ]
C
solution let the rear wheel make x revolutions . then , the front wheel makes ( x + 10 ) revolutions . ( x + 10 ) x 3 π = x × 2 π ‹ = › 3 x + 30 = 2 x ‹ = › x = 30 . distance travelled by the wagon = ( 2 π x 30 ) ft ‹ = › ( 60 π ) ft . answer c
medmcqa
medmcqa_05_02590
Lymphatic follicles are not seen in:-
[ "Spleen", "Lymph node", "Thymus", "Tonsil" ]
C
Lymph nodes: - Thymus: -thymus is a lobulated structure - It doesn't have any lymphatic follicles. - Thymus receives stem cells from the bone marrow, & it will train these stem cells as T - lymphocytes to mount cell mediated immunity.
sciq
sciq_01_03585
What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?
[ "bottleneck effect", "convergence effect", "limitation effect", "extinction effect" ]
A
Bottleneck effect occurs when a population suddenly gets much smaller. This might happen because of a natural disaster such as a forest fire. By chance, allele frequencies of the survivors may be different from those of the original population.
openbookqa
obqa_02_04174
Which causes the electric fan to work?
[ "the blades run themselves", "power outlets allow the blades to rotate", "the air pushes the fan", "power outlets allow the fan to think" ]
B
the vanes rotating in an electric fan causes air to move
ARC-Challenge
arc_04_02146
Which statement best compares single-celled and multi-celled organisms?
[ "Tissues in a single-celled organism are like the cells in a multi-celled organism.", "The nucleus in a single-celled organism is like the skin of a multi-celled organism.", "Organelles in a single-celled organism are like the organs in a multi-celled organism.", "The cytoplasm in a single-celled organism is ...
C
null
sciq
sciq_01_11609
What is the unit used to measure air pressure?
[ "newtons", "mass", "millibar", "pounds per inch" ]
C
The weather map pictured below ( Figure above ) shows air pressure. The lines on the map connect places that have the same air pressure. Air pressure is measured in a unit called the millibar. Isobars are the lines that connect the points with the same air pressure. The map also shows low- and high-pressure centers and...
sciq
sciq_01_01581
Structures like the human tail bone and whale pelvis are called what?
[ "vestigial structures", "primordial structures", "adaptations", "parasitic structures" ]
A
Structures like the human tail bone and whale pelvis are called vestigial structures . Evolution has reduced their size because the structures are no longer used. The human appendix is another example of a vestigial structure. It is a tiny remnant of a once-larger organ. In a distant ancestor, it was needed to digest f...
sciq
sciq_01_04906
A, t, g, and c pairs are associated with what substance that is important in genetics?
[ "bacteria", "plasma", "blood", "dna" ]
D
Only certain types of base pairing are allowed. For example, a certain purine can only pair with a certain pyrimidine. This means A can pair with T, and G can pair with C, as shown in Figure 3.33. This is known as the base complementary rule. In other words, the DNA strands are complementary to each other. If the seque...
sciq
sciq_01_03159
Are zeroes that show only where the decimal point fall significant or not significant?
[ "sometimes significant", "neither", "not significant", "significant" ]
C
Zeros that show only where the decimal point falls are not significant. For example, the number 470,000 has just two significant figures (4 and 7). The zeros just show that the 4 represents hundreds of thousands and the 7 represents tens of thousands. Therefore, these zeros are not significant.
sciq
sciq_01_05973
With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what?
[ "carnivores", "symbiotes", "predators", "omnivores" ]
A
All crocodilians are carnivores. They feed on live animals such as birds, small mammals and fish. Crocodilians use several methods of attack when pursuing live prey. One approach is that of the ambush. The crocodilian lies motionless beneath the water's surface with only their nostrils above the water line. This keeps ...
sciq
sciq_01_11463
What term describes the number and kinds of species in a location or on the planet?
[ "ecosystem", "Allopatric speciation", "habitat", "biodiversity" ]
D
Types of Biodiversity Scientists generally accept that the term biodiversity describes the number and kinds of species in a location or on the planet. Species can be difficult to define, but most biologists still feel comfortable with the concept and are able to identify and count eukaryotic species in most contexts. B...
sciq
sciq_01_01230
What will happen if the gas particles inside an inflated balloon suddenly stop moving?
[ "balloon bursts", "balloon falls", "balloon inflates", "balloon deflates" ]
D
Gas molecules also exert pressure. Earth’s atmosphere exerts pressure because gravity acts on the huge number of gas particles contained in the atmosphere, holding it in place. Pressure is also exerted by a small sample of gas, such as that which is contained in a balloon. Gas pressure is the pressure that results from...
ARC-Easy
arc_04_01638
Sleet, rain, snow, and hail are forms of
[ "erosion", "evaporation", "groundwater", "precipitation" ]
D
null
sciq
sciq_01_08031
Teeth in the back of the mouth are used for what?
[ "cutting food", "grinding food", "tearing food", "swallowing food" ]
B
The mouth also begins the process of mechanical digestion. Sharp teeth in the front of the mouth cut or tear food when you bite into it (see Figure below ). Broad teeth in the back of the mouth grind food when you chew. Food is easier to chew because it is moistened by saliva from the salivary glands. The tongue helps ...
ARC-Easy
arc_04_00220
The periodic table of the elements is systematically organized according to the
[ "rate at which the elements chemically react.", "hardness of the elements.", "structure of the atoms of the elements.", "radioactivity of the atoms of the elements." ]
C
null
sciq
sciq_01_11110
Radioactive isotopes are characterized by an unstable what?
[ "proton", "shell", "nuclei", "electrons" ]
C
You may have seen this sign before—maybe in a hospital. The sign means there is danger of radiation in the area. Radiation consists of particles and energy that are given off by radioactive isotopes, which have unstable nuclei. But you don’t have to go to a hospital to be exposed to radiation. There is radiation in the...
medmcqa
medmcqa_05_02969
Which anti-epileptic is not contraindicated during pregnancy?
[ "Ethosuxmide", "Carbamazepine", "Phenytoin", "Valproate" ]
B
Carbamazepine REF: The treatment of epilepsy Simon D. Shorvon - Page 279 "Carbamazepine is the antiepileptic of choice during pregnancy" The latest data from Jentink et al (BMJ 2010;341:c6581) are drawn from the EUROCAT Antiepileptic Study Database and show that carbamazapine was associated with a raised incidence of s...
openbookqa
obqa_02_03964
Imagine astronauts traveling to a distant asteroid as it passes near Earth. During their mission they leave behind boot prints. How long will these potentially last?
[ "several months", "5 years", "thousands of years", "2 weeks" ]
C
wind and rain cause erosion
openbookqa
obqa_02_00335
a lighter object hue can lead to what?
[ "none of these", "positive charge in electricity", "a bad electric conduction", "ability to see yourself in it better" ]
D
as lightness in color of an object increases , the ability of that object to reflect light will increase
sciq
sciq_01_03697
Banging on a drum is an example of which type of energy?
[ "mechanical", "potential", "molecular", "solar." ]
A
ARC-Easy
arc_04_01613
Oscar and Andre used a microscope to observe a sample of pond water and drew an example of each type of organism they saw. Then they compared their drawings. They discovered that their drawings of a euglena and a paramecium were alike, but their amoeba drawings had very different shapes. What are two things that Oscar'...
[ "eating and moving", "moving and digesting", "digesting and excreting", "excreting and eating" ]
A
null
sciq
sciq_01_09125
The value that occurs most often in a data set is called the?
[ "mode", "type", "mean", "median" ]
A
The mode is the most common value. It is the value that occurs most often.
openbookqa
obqa_02_00561
If a forest that is home to animals is cut down
[ "then the animals' homes are demolished", "then the animals will just rebuild", "then the animals will adapt", "then the animals all die" ]
A
if a habitat is removed then that habitat is destroyed
sciq
sciq_01_07214
Are humans a new or old species on the earth?
[ "primal", "extinct", "old", "new" ]
D
This timeline shows the history of life on Earth. In the entire span of the time, humans are a relatively new addition.
ARC-Easy
arc_04_00998
An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult?
[ "the size of each body cell", "the number of cells in its body", "the amount of energy in its cells", "the collection of water in each cell" ]
B
null
sciq
sciq_01_11141
What must be present on a plant where ladybugs will lay their eggs?
[ "aphids", "dew drops", "mites", "butterflies" ]
A
Ladybugs, also known as ladybird beetles, have a life cycle of four to six weeks. In one year as many as six generations of ladybird beetles may hatch. In the spring, each adult female lays up to 300 eggs in small clusters on plants where aphids are present. After a week the wingless larvae hatch. Both the ladybird bee...
sciq
sciq_01_11645
What scientist created the modern system for classifying organisms?
[ "linnaeus", "Pasteur", "Newton", "Bohr" ]
A
Linnaeus published his classification system in the 1700s. Since then, many new species have been discovered. The biochemistry of many organisms has also become known. Eventually, scientists realized that Linnaeus’s system of classification needed revision.
math_qa
mathqa_03_00093
a and b start a business , with a investing the total capital of rs . 50000 , on the condition that b pays a interest @ 10 % per annum on his half of the capital . a is a working partner and receives rs . 1500 per month from the total profit and any profit remaining is equally shared by both of them . at the end of the...
[ "59028", "27777", "29999", "59000" ]
D
"interest received by a from b = 10 % of half of rs . 50000 = 10 % * 25000 = 2500 . amount received by a per annum for being a working partner = 1500 * 12 = rs . 18000 . let ' p ' be the part of the remaining profit that a receives as his share . total income of a = ( 2500 + 18000 + p ) total income of b = only his sha...
sciq
sciq_01_04739
How long can a large star be on the main sequence stage?
[ "10 million years", "200.4 million years", "3 million years", "60.11 million years" ]
A
Large stars burn through their supply of hydrogen very quickly. These stars “live fast and die young!” A very large star may only be on the main sequence for 10 million years. A very small star could remain on the main sequence for tens to hundreds of billions of years—far longer than the current age of our Universe.
medmcqa
medmcqa_05_04561
Which amongst the following is the indication for parenteral iron therapy?
[ "Compliant patient", "Intolerance to oral iron", "When an immediate rise of Hb is required such as a patient in labour", "To decrease the duration of oral medication" ]
B
Indications of parenteral iron therapy: 1. Oral therapy is contraindicated 2. Patient is non compliant to take oral iron 3. Non-tolerance to oral iron 3. Malabsorption Syndrome. 4. Moderate anemia in third trimester NOTE: the rate of increase of Hb is almost same as that with oral iron therpy. Therefore in any conditio...
medmcqa
medmcqa_05_04999
Pressure of normal uterine contractions is between 190-300 units. Which unit is being referred to here?
[ "Montevideo units", "mm of Hg", "cm of water", "Joules/kg" ]
A
Ans. is a, i.e. Montevideo unitsRef Williams Obs, 23/e, p 4371 montevideo unit = Intensity of constraction x number of contractions in 10 mins.Montevideo unit is to define uterine activity.As per this:Clinical labour usually commences when uterine activity reaches values between 80-120 Montevideo units (This translates...
medmcqa
medmcqa_05_04118
Squamous cell carcinoma is characterized by _________ edges
[ "Undermined", "Pearly & rolled", "Indurated & everted", "Punched out" ]
C
SCC is characterized by indurated & everted edges BCC is characterized by pearly rounded edges.
medmcqa
medmcqa_05_04232
The enzyme responsible for development of Cataract in diabetes is due to
[ "Hexokinase", "NADPH+ dependent aldoreductase", "Glucokinase", "Phosphofructoisomerase" ]
B
NADPH+ dependent aldoreductase is responsible for accumulation of Sorbitol in Lens causing Cataract in Diabetic.
sciq
sciq_01_10457
What is formed when an acidic solution and a basic solution react together in a neutralization reaction?
[ "seawater", "shallow", "Sodium", "salt" ]
D
An acidic solution and a basic solution react together in a neutralization reaction that also forms a salt.
openbookqa
obqa_02_04771
A creature that is lacking domestication, and is also lacking a wild space, perhaps occupies
[ "a wild time", "a distant planet", "a small crater", "a displayed habitat" ]
D
some animals live in zoo exhibits
math_qa
mathqa_03_03876
during the first week of performances of a certain play , 5400 tickets were sold , all at reduced price . during the remaining weeks of performances , 5 times as many tickets were sold at full price as were sold at reduced price . if the total number of tickets e sold was 25200 , how many of them were sold at full pric...
[ "21000", "19800", "16500", "15800" ]
C
given : the question tells us about the number of tickets sold in the first week at reduced price = 5400 . it also tells us that during the remaining weeks , the number of tickets sold at full price was 5 times the no . of tickets sold at reduced price . the total tickets sold was 25200 , and we are asked to find the n...
openbookqa
obqa_02_03965
More sunlight will be absorbed by
[ "a plant with curled leaves", "a tree with wide, smooth leaves", "a rose with tiny leaves", "a berry bush with thin, short leaves" ]
B
if something is outside during the day then that something will receive sunlight
math_qa
mathqa_03_03746
in a group of 100 people , 60 like volleyball , 50 like hockey . how many like both volleyball and hockey ?
[ "20", "15", "10", "5" ]
C
"make a venn diagram , and enter your data . let the number of people who like both volleyball and hockey be x 60 - x + x + 50 - x = 100 x = 10 so number who like both volleyball and hockey = 10 answer c"
medmcqa
medmcqa_05_03485
According to PCPNDT Act, 1994, punishment for doctor if found guilty for sex determination: NEET 15
[ "1 year", "2 years", "3 years", "5 years" ]
C
Ans. 3 years
sciq
sciq_01_11559
What energy source, now making a comeback, has helped propel ships and pump water for many years?
[ "weather energy", "solar energy", "geothermal energy", "wind energy" ]
D
The whirring blades of these wind turbines look stark against the darkening sky at sunset. The energy of the wind causes the blades to spin, and the energy of the spinning blades is used to generate electricity. People have been using wind for energy for centuries. Until about 200 years ago, for example, ships depended...
sciq
sciq_01_06938
What natural part of the water cycle can cause damage and death?
[ "expiration", "clouds", "evaporation", "floods" ]
D
Floods are a natural part of the water cycle, but they can cause a lot of damage. Farms and homes may be lost, and people may die. In 1939, millions of people died in a flood in China. Although freshwater is needed to grow crops and just to live, too much freshwater in the same place at once can be deadly.
sciq
sciq_01_05294
What do organisms use to store energy?
[ "lipids", "metabolytes", "tissues", "proteins" ]
A
A lipid is an organic compound such as fat or oil. Organisms use lipids to store energy, but lipids have other important roles as well. Lipids consist of repeating units called fatty acids. Fatty acids are organic compounds that have the general formula CH 3 (CH 2 ) n COOH, where n usually ranges from 2 to 28 and is al...
math_qa
mathqa_03_01441
on a saturday night , each of the rooms at a certain motel was rented for either $ 40 or $ 60 . if 10 of the rooms that were rented for $ 60 had instead been rented for $ 40 , then the total rent the motel charged for that night would have been reduced by 20 percent . what was the total rent the motel actually charged ...
[ "$ 600", "$ 800", "$ 1,000", "$ 1,600" ]
C
"let total rent the motel charge for all rooms = x if 10 rooms that were rented for 60 $ had instead been rented for 40 $ , then total difference in prices = 20 $ * 10 = 200 $ total rent the motel charged would have been reduced by 20 % . 2 x = 200 = > x = 1000 answer c"
math_qa
mathqa_03_01290
a can do a work in 15 days and b in 20 days . if they work on it together then in how many days required to complete the work ?
[ "300 / 31", "300 / 35", "300 / 21", "300 / 15" ]
B
person ( a ) ( b ) ( a + b ) time - ( 15 ) ( 20 ) ( 300 / 35 ) rate - ( 20 ) ( 15 ) ( 35 ) work - ( 300 ) ( 300 ) ( 300 ) therefore a + b requires ( 300 / 35 ) days to complete entire work = 300 / 35 answer is b
sciq
sciq_01_11354
What can sodium ions not pass through?
[ "narrowness lipid bilayer", "Lipid Control", "benthic lipid bilayer", "nonpolar lipid bilayer" ]
D
As an example, even though sodium ions (Na+) are highly concentrated outside of cells, these electrolytes are charged and cannot pass through the nonpolar lipid bilayer of the membrane. Their diffusion is facilitated by membrane proteins that form sodium channels (or “pores”), so that Na+ ions can move down their conce...
sciq
sciq_01_09885
What are hot fragments of rock called?
[ "shards", "obsidian", "magma", "pyroclasts" ]
D
Ash and particles shoot many kilometers into the sky. The material may form a mushroom cloud, just like a nuclear explosion. Hot fragments of rock, called pyroclasts , fly up into the air at very high speeds. The pyroclasts cool in the atmosphere. Some ash may stay in the atmosphere for years. The ash may block out sun...
openbookqa
obqa_02_03896
A decomposer might thrive more on
[ "Magic", "Jupiter", "Time Traveling", "Old turkey" ]
D
dead organisms are the source of nutrients for decomposers
openbookqa
obqa_02_01643
A metal sticker remains on a fridge because of
[ "vibrations in the surface of the fridge door", "a force that pulls two objects together", "magic that Juggaloes are unable to explain", "the entropy of the universe" ]
B
magnetic attraction pulls two objects together