dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 4 758 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
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? | [
"cellular compounds",
"electromagnetic compounds",
"molecular compounds",
"atomic compounds"
] | C | 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? | [
"information",
"water",
"food",
"genes"
] | A | 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? | [
"carbon",
"mercury",
"water",
"air"
] | C | 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? | [
"ions",
"protons",
"atoms",
"electrons"
] | C | All matter is composed of extremely small particles called atoms. |
medmcqa | medmcqa_05_00442 | Case control study is an example of - | [
"Prospective study",
"Retrospective study",
"Combined retrospective and prospective study",
"Study at one point of time"
] | B | Ans. is 'b' i.e., Retrospective study Case control studyo Case control study is a common first approach to test causal hypothesis.o Caseo Control--Case is an individual who has developed the disease.Is an individual who has not developed the disease but is otherwise comparable to case (e.g. age, sex, occupation, social... |
sciq | sciq_01_04460 | What is the term for chordates with a vertebral column and endoskeleton of cartilage and bone? | [
"vertebrate",
"mammel",
"insect",
"am"
] | A | Vertebrates are chordates with a vertebral column and endoskeleton of cartilage and bone. Vertebrates also have several organ systems. |
openbookqa | obqa_02_00695 | To aid in keeping your outdoor animals warm in the winter | [
"put their shelters directly in the way of the wind",
"put their shelters on top of cement",
"attach thermal insulators to their shelters",
"attach shingles to their shelters"
] | C | a thermal insulator slows the transfer of heat |
math_qa | mathqa_03_01278 | a no . when divided by 220 gives a remainder 43 , what remainder will beobtained by dividingthe same no . 17 ? | [
"2",
"8",
"9",
"11"
] | B | "220 + 43 = 263 / 17 = 8 ( remainder ) b" |
ARC-Easy | arc_04_01749 | Which part of a bicycle BEST moves in a circle? | [
"Seat",
"Frame",
"Foot pedal",
"Kickstand"
] | C | null |
openbookqa | obqa_02_01589 | Birds sometimes eat what? | [
"grass",
"underground crawlers",
"insecticide",
"trees"
] | B | birds sometimes eat insects |
math_qa | mathqa_03_04481 | a special municipal payroll tax charges not tax on a payroll less than $ 250,000 and only 0.1 % on a company ’ s payroll above $ 250,000 . if belfried industries paid $ 200 in this special municipal payroll tax , then they must have had a payroll of | [
"$ 450,000",
"$ 202,000",
"$ 220,000",
"$ 400,000"
] | A | "answer : a , ( with different approach ) : the 200 paid is 0.1 % of the additional amount above 250,000 . let it be x now 0.1 % of x = 200 therefore x = 200,000 total = 250,000 + x = 450,000" |
ARC-Easy | arc_04_00634 | What takes place as a light wave enters a denser medium? | [
"it is reflected",
"it is absorbed",
"it is refracted",
"it is compressed"
] | C | null |
math_qa | mathqa_03_04532 | a train passes a station platform in 36 sec and a man standing on the platform in 21 sec . if the speed of the train is 54 km / hr . what is the length of the platform ? | [
"288",
"225",
"881",
"1277"
] | B | "speed = 54 * 5 / 18 = 15 m / sec . length of the train = 15 * 21 = 315 m . let the length of the platform be x m . then , ( x + 315 ) / 36 = 15 = > x = 225 m . answer : b" |
sciq | sciq_01_10549 | Which infection of multicellular eukaryotes is usually limited to particular tissues? | [
"bacterial",
"viral",
"parasites",
"digestive"
] | B | |
openbookqa | obqa_02_01036 | A girl wants to help to protect the environment, so she decides to | [
"drive to work",
"quit her job",
"walk to work",
"visit a friend"
] | C | An example of protecting the environment is reducing the amount of pollutants |
sciq | sciq_01_05565 | What type of equations allows calculation of the wavelength of any moving object? | [
"disc wave",
"fluctuations wave",
"develpoment wave",
"debroglie wave"
] | D | The deBroglie wave equations allows calculation of the wavelength of any moving object. |
ARC-Challenge | arc_04_02695 | Volcanic eruptions early in Earth's history are believed to be responsible for a large proportion of the matter now found in which Earth structure? | [
"mantle",
"asthenosphere",
"hydrosphere",
"ozone layer"
] | C | null |
math_qa | mathqa_03_00642 | what is the sum of all the multiples of 10 between 0 and 100 ? | [
"500",
"620",
"550",
"340"
] | C | "the multiples of 10 between 0 and 100 are 10 , 20 , 30 , 40 , 50 , 60 , 70 , 80 , 90 and 100 . if these are all added together , the result is 550 . final answer : c" |
sciq | sciq_01_02250 | What does the gizzard in birds contain that allows them to grind food? | [
"teeth",
"bile",
"acid",
"swallowed stones"
] | D | The digestive system of birds is unique, with a gizzard that contains swallowed stones for grinding food. Birds do not have teeth. What do you think the stones do? They help them digest their food. Defining characteristics of modern birds also include:. |
medmcqa | medmcqa_05_00210 | Secular trend is best demonstrated by | [
"Line diagram",
"Bar graph",
"Stem leaf plot",
"Box and whisker plot"
] | A | Ref:Park's Textbook of Preventive and Social Medicine 25th Ed |
math_qa | mathqa_03_00294 | find the number , difference between number and its 3 / 5 is 60 . | [
"150",
"153",
"154",
"155"
] | A | "explanation : let the number = x , then , x - ( 3 / 5 ) x = 60 , = > ( 2 / 5 ) x = 60 = > 2 x = 60 * 5 , = > x = 150 answer : option a" |
sciq | sciq_01_01193 | Oncogenes are involved in the formation of what disease? | [
"heart disease",
"colds",
"autoimmune disease",
"cancer"
] | D | Oncogenes are genes involved in cancer formation. |
sciq | sciq_01_08258 | What in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing? | [
"available measurements",
"standard measurements",
"uses measurements",
"Conventional measurements"
] | B | Standardized measurements make it possible for people everywhere to get the same amount of something. Note the red and white labels on the gas pump above. These labels certify that the gas pump has been checked and is pumping an accurate gallon of gas. Standard measurements in science are very important so that we can ... |
medmcqa | medmcqa_05_02312 | Immediate treatment for hyperkalemia with significant ECG changes? | [
"Calcium chloride",
"Calcium hydroxide",
"K+ Binding Resin Enema",
"Calcium Carbonate"
] | A | Calcium increases threshold potential- restoring normal gradient between threshold potential and resting membrane potential (elevated abnormally in hyperkalemia) Calcium chloride - onset of action is < 5min and lasts about 30-60 min. Doses should be titrated with constant monitoring of ECG changes during administration... |
sciq | sciq_01_07869 | What are the two types of optical telescopes? | [
"refracting and compound",
"reflecting and layering",
"reflecting and refracting",
"reflecting and recapitulating"
] | C | Optical telescopes are designed to collect visible light. The two types of optical telescopes are reflecting telescopes and refracting telescopes. |
openbookqa | obqa_02_04672 | If one is hitting ebony and ivory and making sound | [
"that is a kitchen utensil",
"that is an instrument of pain",
"that is a scientific instrument",
"that is playing Chop sticks"
] | D | An example of playing a musical instrument is hitting the keys of a piano |
sciq | sciq_01_05464 | Different feeding "positions" in a food chain or web are associated with what kinds of levels? | [
"trophic",
"autotrophic",
"benthic",
"heptic"
] | A | The different feeding positions in a food chain or web are called trophic levels. |
medmcqa | medmcqa_05_01272 | Most common testicular tumour of Childhood is | [
"Teratoma",
"Seminoma",
"Chorio Carcinoma",
"Embryonal Ca"
] | D | Infantile embryonal carcinoma or endodermal sinus tumor or yolk sac tumor is the most common testicular tumor in infants and children up to 3 years of age. |
sciq | sciq_01_08599 | Hot material from near the sun’s center rises in which zone? | [
"radiative zone",
"thermosphere",
"drifting zone",
"convection zone"
] | D | The convection zone surrounds the radiative zone. In the convection zone, hot material from near the Sun’s center rises. This material cools at the surface, and then plunges back downward. The material then receives more heat from the radiative zone. |
sciq | sciq_01_05861 | What type of light is composed of many rays having random polarization directions? | [
"reflected light",
"polarized light",
"diffracted light",
"unpolarized light"
] | D | 27.8 Polarization • Polarization is the attribute that wave oscillations have a definite direction relative to the direction of propagation of the wave. • EM waves are transverse waves that may be polarized. • The direction of polarization is defined to be the direction parallel to the electric field of the EM wave. • ... |
sciq | sciq_01_03642 | What kind of hormones are derived from cholesterol? | [
"Antibiotic",
"germs",
"synthesis",
"steroid"
] | D | 17.2 Hormones Hormones are derived from amino acids or lipids. Amine hormones originate from the amino acids tryptophan or tyrosine. Larger amino acid hormones include peptides and protein hormones. Steroid hormones are derived from cholesterol. Steroid hormones and thyroid hormone are lipid soluble. All other amino ac... |
math_qa | mathqa_03_03366 | a salesman sold twice as much pears in the afternoon than in the morning . if he sold 360 kilograms of pears that day , how many kilograms did he sell in the morning and how many in the afternoon ? | [
"560",
"240",
"329",
"443"
] | B | "let x be the number of kilograms he sold in the morning . then in the afternoon he sold 2 xkilograms . so , the total is x + 2 x = 3 x this must be equal to 360 . 3 x = 360 x = 360 / 3 x = 120 therefore , the salesman sold 120 kg in the morning and 2 ⋅ 120 = 240 kg in the afternoon ." |
openbookqa | obqa_02_00150 | Whether a rainstorm, snow, or hail, humanity can find a way to escape it by | [
"restoring old city streets",
"creating a protected space",
"building a large community",
"sheltering all the young"
] | B | shelter can protect humans from weather |
sciq | sciq_01_11537 | Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out? | [
"oil coating",
"double yolks",
"double shells",
"waterproof membranes"
] | D | Loggerhead turtles spend most of their life in the ocean. Adult female loggerheads go ashore briefly to lay their eggs in the sand. Then they return to the water and leave the eggs to hatch on their own. Figure below shows baby loggerheads on a beach shortly after hatching. The baby turtles must make their way back to ... |
medmcqa | medmcqa_05_00907 | Best indicator of protein quality is: | [
"Net protein utilization",
"Digestibility coefficient",
"Biological value",
"Amino acid score"
] | A | The net protein utilization, or NPU, is the ratio of amino acid conveed to proteins to the ratio of amino acids supplied. It may be affected by the salvage of essential amino acids within the body, but is profoundly affected by the level of limiting amino acids within a foodstuff.This value can be determined by determi... |
sciq | sciq_01_01886 | What term is defined as a way of writing very large or small numbers that uses exponents? | [
"exponential notation",
"quadratic notation",
"certain notation",
"scientific notation"
] | D | Quantities in science may be very large or very small. This usually requires many zeroes to the left or right of the decimal point. Such numbers can be hard to read and write accurately. That’s where scientific notation comes in. Scientific notation is a way of writing very large or small numbers that uses exponents. N... |
medmcqa | medmcqa_05_02164 | Genes for sex determination is: | [
"Shh",
"SRY",
"AZF",
"HOX"
] | B | The SRY gene provides instructions for making a protein called the sex-determining region Y protein.
This protein is involved in male sexual development, which is usually determined by the chromosomes an individual has. |
ARC-Easy | arc_04_01046 | Research into the total amount of oil available for use around the world can affect what kind of human choice? | [
"where to retire",
"how to travel to work",
"what kind of coffee to drink",
"whether to recycle glass and aluminum"
] | B | null |
medmcqa | medmcqa_05_04178 | Significance of Adhesin in Pathogenesis- | [
"Motility",
"Bacterial attachment",
"Toxigenicity",
"Bacterial division"
] | B | Adhesion: The initial event in the pathogenesis of many infections is the attachment of the bacteria to body surfaces. This attachment is not a chance event but a specific reaction between surface receptors on host cells and adhesion structures on the surface of bacteria. These adhesive structures are called Adhesins .... |
sciq | sciq_01_08946 | What term refers to a wall or partition that divides the heart into chambers? | [
"cysts",
"valve",
"cartilage",
"septum"
] | D | Septa of the Heart The word septum is derived from the Latin for “something that encloses;” in this case, a septum (plural = septa) refers to a wall or partition that divides the heart into chambers. The septa are physical extensions of the myocardium lined with endocardium. Located between the two atria is the interat... |
openbookqa | obqa_02_00719 | Which would a carnivore eat? | [
"fiddleheads",
"ramps",
"dulse",
"blobfish"
] | D | carnivores only eat animals |
sciq | sciq_01_01654 | Producing light without a high temperature is called? | [
"effervescence",
"fluorescence",
"luminescence",
"plasma"
] | C | Producing light without a high temperature is called luminescence. Types of luminescence include fluorescence, electroluminescence, and bioluminescence. |
medmcqa | medmcqa_05_00155 | During starvation, which of the following is depleted first? | [
"Muscle glycogen",
"Liver glycogen",
"Adipose tissue",
"Muscle proteins"
] | B | In the fasting state, as the concentration of glucose in the poal blood coming from the small intestine falls, insulin secretion decreases, and skeletal muscle and adipose tissue take up less glucose. The increase in secretion of glucagon by a cells of the pancreas inhibits glycogen synthetase and activates glycogen ph... |
sciq | sciq_01_04299 | Which system in the body exchanges gases with the outside air? | [
"vascular",
"respiratory",
"immune",
"digestive"
] | B | The respiratory system is the body system that exchanges gases with the outside air. It brings air containing oxygen into the body for the cells. It also releases carbon dioxide from the cells into the air. This exchange of gases is called respiration. |
sciq | sciq_01_04668 | Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this? | [
"light source4",
"fuel source",
"heating source",
"energy source"
] | D | Figure 8.2 Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as an energy source. Cyanobacteria and planktonic algae can grow over enormous areas in water, at times completely covering the surface. In a (d) deep sea vent, chemoaut... |
ARC-Easy | arc_04_01302 | Water is often put through a treatment system before it is used in homes as drinking water. Which is the most likely reason water is treated before people drink it? | [
"to remove harmful substances",
"to add color",
"to increase its supply",
"to decrease its temperature"
] | A | null |
medmcqa | medmcqa_05_02255 | ALVARADO score 2 defines: | [
"Temperature",
"Leukocytosis",
"Tenderness in left iliac fossa",
"Migratory pain"
] | B | Leucocytosis has a score of 2 Alvarado Score Aka MANTRELS Score- Used for Appendicitis Manifestation Score Symptoms Migratory RIF pain Anorexia Nausea and vomiting 1 1 1 Signs Tenderness (RIF) Rebound tenderness Elevated temperature 2 1 1 Laboratory Leucocytosis Shift to left 2 1 Total 10 - Score of 9-10 - Ceain diagno... |
sciq | sciq_01_08926 | What is beneath the cerebrum and includes the thalamus and hypothalamus? | [
"subvocalization",
"diencephalon",
"brain stem",
"rendalen"
] | B | Diencephalon The diencephalon is beneath the cerebrum and includes the thalamus and hypothalamus. In the somatic nervous system, the thalamus is an important relay for communication between the cerebrum and the rest of the nervous system. The hypothalamus has both somatic and autonomic functions. In addition, the hypot... |
sciq | sciq_01_03156 | What are liverworts with a flattened, ribbon-like body called? | [
"kidney liverworts",
"hepatic liverworts",
"hornworts",
"thallose liverworts"
] | D | Jason Hollinger. Liverworts with a flattened, ribbon-like body are called thallose liverworts . CC BY 2.0. |
medmcqa | medmcqa_05_03404 | Fracture mandible occurs most commonly in | [
"Body",
"Angle",
"Condylar process",
"Coronoid process"
] | C | Condylar fractures are most common fractures among the fractures of mandible. They are followed by in frequency of fractures of CABS Condylar process Angle Body Symphysis Caused by indirect trauma to the chin Ref: Dhingra 7e pg 207 |
sciq | sciq_01_04731 | Both dna and rna are what type of acids? | [
"proteins acids",
"fatty acids",
"synthesize acids",
"nucleic acids"
] | D | DNA and RNA are nucleic acids. DNA stores genetic information. RNA helps build proteins. Proteins, in turn, determine the structure and function of all your cells. Proteins consist of chains of amino acids. A protein’s structure and function depends on the sequence of its amino acids. Instructions for this sequence are... |
openbookqa | obqa_02_04226 | A thing which may be found at a special location for reusing materials is a | [
"fresh cat litter",
"new brick house",
"rusted aluminum tray",
"old used wax"
] | C | aluminum is recyclable |
ARC-Easy | arc_04_01405 | About how much of Earth's surface is covered by oceans? | [
"less than 20%",
"about 50%",
"about 70%",
"more than 90%"
] | C | null |
sciq | sciq_01_09026 | Vibrating electric and magnetic fields make up what kinds of waves? | [
"electromagnetic",
"eletrical",
"seismic",
"mechanical"
] | A | What do these two photos have in common? They both represent electromagnetic waves. These are waves that consist of vibrating electric and magnetic fields. They transmit energy through matter or across space. Some electromagnetic waves are generally harmless. The light we use to see is a good example. Other electromagn... |
sciq | sciq_01_11584 | The cells of the blastocyst form an inner cell mass called the what? | [
"embryoblast",
"xerophyte",
"blastocyst",
"chloroplast"
] | A | The cells of the blastocyst form an inner cell mass and an outer cell layer, as shown in Figure below . The inner cell mass is called the embryoblast. These cells will soon develop into an embryo. The outer cell layer is called the trophoblast. These cells will develop into other structures needed to support and nouris... |
openbookqa | obqa_02_04332 | Living things all require energy for what? | [
"dying",
"observing",
"staying perky",
"decaying"
] | C | living things all require energy for survival |
medmcqa | medmcqa_05_00253 | Tear drop sign is seen in ? | [
"Fracture zygomatic arch",
"Fracture maxilla",
"Fracture mandible",
"Blow out fracture"
] | D | Ans. is 'd' i.e., Blow out fracture Fractures of the floor of the orbit Zygomatic fracture and Le fo II maxillary fractures are always accompanied by fractures of orbital floor. Isolated fractures of orbital floor, when a large blunt object strikes the globe, are called "blow out fractures". Clinical features Ecchymosi... |
math_qa | mathqa_03_02030 | a train after traveling for 50 km meets with an accident and then proceeds at 3 / 4 of its former speed and arrives at its destination 35 minutes late . had the accident occurred 24 km farther , it would have reached the destination only 25 minutes late . what is the speed t of the train . | [
"a",
"b",
"c",
"d"
] | C | "let y be the balance distance to be covered and x be the former speed . a train after traveling for 50 km meets with an accident and then proceeds at 3 / 4 of its former speed and arrives at its destination 35 minutes late so , y / ( 3 x / 4 ) - y / x = 35 / 60 4 y / 3 x - y / x = 7 / 12 y / x ( 4 / 3 - 1 ) = 7 / 12 y... |
math_qa | mathqa_03_00348 | a pharmaceutical company received $ 3 million in royalties on the first $ 20 million in sales of and then $ 9 million in royalties on the next $ 108 million in sales . by approximately what percentage did the ratio of royalties to sales decrease from the first $ 20 million in sales to the next $ 104 million in sales ? | [
"8 %",
"15 %",
"45 %",
"42 %"
] | D | "( 9 / 104 ) / ( 3 / 20 ) = 30 / 54 = 57,6 % it means that 9 / 108 represents only 57,6 % . therefore a decrease of 42 % . answer d" |
sciq | sciq_01_10634 | What was the first antiseptic called? | [
"chlorine",
"gasoline",
"acid",
"phenol"
] | D | objects such as furniture or floors). The first widely used antiseptic was phenol. Joseph Lister used it for antiseptic surgery in 1867. Phenol is toxic to humans, however, and can cause severe burns when applied to the skin. In the bloodstream, it is a systemic poison—that is, one that is carried to and affects all pa... |
math_qa | mathqa_03_04668 | if ( 1 / 2 ) ^ 25 ( 1 / 81 ) ^ k = 1 / 18 ^ 25 , then k = | [
"8",
"12.5",
"16",
"24"
] | B | "i ' m going to focus on denominator only . . ( 2 ^ 25 ) . ( ( 3 ^ 4 ) ^ k = 18 ^ 25 ( 2 ^ 25 ) . ( ( 3 ^ 4 k ) = ( 2 . 3 ^ 2 ) ^ 25 ( 2 ^ 25 ) . ( ( 3 ^ 4 k ) = ( 2 ^ 25 ) . ( 3 ^ 2 ) ^ 25 hence 4 k = 50 k = 12,5 answer b i hope it ' s quite clear" |
math_qa | mathqa_03_02708 | a fifth of arun â € ™ s marks in mathematics exceed a third of his marks in english by 20 . if he got 260 marks in two subjects together how many marks did he got in english ? | [
"12080",
"18060",
"20060",
"20040"
] | C | let arun â € ™ s marks in mathematics and english be x and y then ( 1 / 5 ) x - ( 1 / 3 ) y = 20 3 x - 5 y = 300 â € ¦ â € ¦ > ( 1 ) x + y = 260 â € ¦ â € ¦ . > ( 2 ) solving ( 1 ) and ( 2 ) x = 200 and y = 60 answer is c . |
ARC-Easy | arc_04_00684 | When buried sediments are subjected to pressure, the mineral grains are squeezed together. What is the result of this action? | [
"volcanoes",
"earthquakes",
"new rock is formed",
"layers rise to the surface"
] | C | null |
sciq | sciq_01_10535 | Animals can not produce their own food making them _________. | [
"heterotrophs",
"photoreliant",
"omnivores",
"autotrophs"
] | A | Animals are a kingdom of multicellular eukaryotes. They cannot make their own food. Instead, they get nutrients by eating other living things. Therefore, animals are heterotrophs . |
ARC-Easy | arc_04_01180 | Which property of air does a barometer measure? | [
"speed",
"pressure",
"humidity",
"temperature"
] | B | null |
sciq | sciq_01_07700 | What part of an atom is electrically neutral? | [
"newtons",
"protons",
"electrons",
"neutrons"
] | D | An atom’s protons and electrons carry electrical charges. Protons, with their positive charge, are designated p+. Electrons, which have a negative charge, are designated e–. An atom’s neutrons have no charge: they are electrically neutral. Just as a magnet sticks to a steel refrigerator because their opposite charges a... |
openbookqa | obqa_02_03778 | Which of these might use plants for an energy source | [
"television",
"station wagon",
"toy car",
"action figure"
] | B | plants are a source of biofuel |
math_qa | mathqa_03_03204 | the size of a television screen is given as the length of the screen ' s diagonal . if the screens were flat , then the area of a square 18 - inch screen would be how many square inches greater than the area of a square 16 - inch screen ? | [
"2'",
"4'",
"34'",
"38'"
] | C | pythogoras will help here ! let the sides be x and diagonal be d then d ^ 2 = 2 x ^ 2 and area = x ^ 2 now plug in the given diagonal values to find x values and then subtract the areas ans will be 18 ^ 2 / 2 - 16 ^ 2 / 2 = 68 / 2 = 34 ans c . |
sciq | sciq_01_06555 | What is a controlled scientific study of specific variables called? | [
"practicum",
"variation",
"experiment",
"example"
] | C | An experiment is a controlled scientific study of specific variables. A variable is a factor that can take on different values. |
math_qa | mathqa_03_02460 | a certain bus driver is paid a regular rate of $ 14 per hour for any number of hours that does not exceed 40 hours per week . for any overtime hours worked in excess of 40 hours per week , the bus driver is paid a rate that is 75 % higher than his regular rate . if last week the bus driver earned $ 998 in total compens... | [
"54",
"51",
"58",
"55"
] | C | "for 40 hrs = 40 * 14 = 560 excess = 998 - 560 = 438 for extra hours = . 75 ( 14 ) = 10.5 + 14 = 24.5 number of extra hrs = 438 / 24.5 = 17.8 = 18 approx . total hrs = 40 + 18 = 58 answer c" |
sciq | sciq_01_07755 | What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head? | [
"gastropods",
"corals",
"arthropods",
"arachnids"
] | A | |
sciq | sciq_01_04194 | What term is used to describe organelles that are found only in animal cells? | [
"anticlines",
"centrioles",
"fibrils",
"acids"
] | B | Centrioles are organelles that are found only in animal cells. They are located near the nucleus. They help organize the DNA in the nucleus before cell division takes place. They ensure that the DNA divides correctly when the cell divides. |
medmcqa | medmcqa_05_00077 | A highest level of zinc is found in? | [
"Prostate",
"Skin",
"Hair",
"Bone"
] | A | ANSWER: (A) ProstateREF: Trace element analysis in biological specimens by R. F. M. Herber, Markus Stoeppler page 551TissueMean concentration of ZincAdrenal43.2Bone94Brain39Heart87Skin25Prostate243Muscle200Liver169Kidney188 |
sciq | sciq_01_00010 | Zinc is more easily oxidized than iron because zinc has a lower reduction potential. since zinc has a lower reduction potential, it is a more what? | [
"usually metal",
"much metal",
"Trap metal",
"active metal"
] | D | One way to keep iron from corroding is to keep it painted. The layer of paint prevents the water and oxygen necessary for rust formation from coming into contact with the iron. As long as the paint remains intact, the iron is protected from corrosion. Other strategies include alloying the iron with other metals. For ex... |
ARC-Easy | arc_04_00390 | Which of the following is a property of CO2 gas? | [
"It feels like a rock.",
"It smells like a lemon.",
"It is colorless.",
"It is hard."
] | C | null |
math_qa | mathqa_03_03550 | a , band c can do a piece of work in 11 days , 5 days and 55 days respectively , working alone . how soon can the work be done if a is assisted by band c on alternate days ? | [
"5 days",
"8 days",
"9 days",
"10 days"
] | A | ( a + b ) ' s 1 day ' s work = 1 / 11 + 1 / 5 = 16 / 55 ( a + c ) ' s 1 day ' s work = 1 / 11 + 1 / 55 = 6 / 55 work done in 2 day ' s = 16 / 55 + 6 / 55 = 2 / 5 2 / 5 th work done in 2 days work done = 5 / 2 * 2 = 5 days answer : a |
sciq | sciq_01_06943 | Many ionic compounds with relatively large cations and a 1:1 cation:anion ratio have this structure, which is called the what? | [
"hydrocarbon structure",
"cesium chloride structure",
"analogous structure",
"boron chloride structure"
] | B | Common Structures of Binary Compounds As shown in part (a) in Figure 12.8 "Holes in Cubic Lattices", a simple cubic lattice of anions contains only one kind of hole, located in the center of the unit cell. Because this hole is equidistant from all eight atoms at the corners of the unit cell, it is called acubic hole. A... |
ARC-Easy | arc_04_01394 | A student is visiting a local limestone quarry and finds fossils of seashells. The quarry is located hundreds of miles from the ocean. The fossils best indicate that | [
"this area was once below sea level.",
"global temperature changed over time.",
"erosion took place after a flood.",
"volcanic activity affected the area."
] | A | null |
math_qa | mathqa_03_00422 | on a sum of money , the s . i . for 2 years is $ 660 , while the c . i . is $ 693 , the rate of interest being the same in both the cases . the rate of interest is ? | [
"10 %",
"32 %",
"72 %",
"14 %"
] | A | "difference in c . i . and s . i for 2 years = $ 693 - $ 660 = $ 33 s . i for one year = $ 330 s . i . on $ 330 for 1 year = $ 33 rate = ( 100 * 33 ) / ( 330 ) = 10 % the answer is a ." |
math_qa | mathqa_03_02577 | in a sample of 800 high school students in which all students are either freshmen , sophomores , juniors , or seniors , 26 percent are juniors and 75 percent are not sophomores . if there are 160 seniors , how many more freshmen than sophomores are there among the sample of students ? | [
"32",
"40",
"48",
"54"
] | A | "200 are sophomores . the number of freshmen is 600 - 160 - 0.26 ( 800 ) = 232 the answer is a ." |
medmcqa | medmcqa_05_04992 | Rain drop appearance is seen in which poisoning: | [
"Arsenic",
"Lead",
"Mg",
"Tin"
] | A | Ans. (a) ArsenicRef: The Essentials ofFSM by K.S. Narayan Reddy 31st ed. / 501-502Arsenic Poisoning Features* It is the most commonly used homicidal poison.* Presents with Haemorrhagic gastroenteritis and necrosis of intestinal mucosa.* It mimics Cholera NOT tetanus (Strychinine mimics tetanus).* Diarrhea accompanied b... |
sciq | sciq_01_01049 | What system, which includes the skin, plays important roles in protection, sensing stimuli and thermoregulation? | [
"pectins system",
"integumentary system",
"teleporters system",
"digestive system"
] | B | 5.3 Functions of the Integumentary System The skin plays important roles in protection, sensing stimuli, thermoregulation, and vitamin D synthesis. It is the first layer of defense to prevent dehydration, infection, and injury to the rest of the body. Sweat glands in the skin allow the skin surface to cool when the bod... |
sciq | sciq_01_06800 | In what part of the body do escherichia coli bacteria live? | [
"your urethra",
"your intestines",
"your kidneys",
"your brain"
] | B | There are many different types of symbiotic interactions between organisms. Clockwise from top left: Escherichia coli bacteria live inside your intestines in a mutualistic relationship: the bacteria produce Vitamin K for you, and they get their food from what you eat. Clownfish that live among the tentacles of sea anem... |
ARC-Easy | arc_04_00557 | When too much salt is detected in the bloodstream, the brain secretes a hormone that helps the body retain water by reducing the amount of urine produced. This is an example of | [
"a feedback loop.",
"an acquired trait.",
"a balanced ecosystem.",
"a symbiotic relationship."
] | A | null |
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