dataset stringclasses 6
values | id stringlengths 12 16 | question stringlengths 1 935 | choices listlengths 4 4 | answer stringclasses 4
values | support stringlengths 0 7.76k ⌀ |
|---|---|---|---|---|---|
sciq | sciq_01_03513 | What is the study of energy and how it interacts with matter? | [
"physics",
"cosmology",
"quantum mechanics",
"kinetics"
] | A | Physics is the study of energy and how it interacts with matter. Important concepts in physics include motion, forces such as magnetism and gravity, and different forms of energy. Physics concepts can answer all the questions on the right page of the notebook in Figure above . |
math_qa | mathqa_03_02919 | a 300 meter long train crosses a platform in 27 seconds while it crosses a signal pole in 18 seconds . what is the length of the platform ? | [
"150 m",
"278 m",
"350 m",
"228 m"
] | A | "speed = [ 300 / 18 ] m / sec = 50 / 3 m / sec . let the length of the platform be x meters . then , x + 300 / 27 = 50 / 3 3 ( x + 300 ) = 1350 è x = 150 m . answer : a" |
openbookqa | obqa_02_03569 | a byproduct of an open flame is | [
"cooking",
"warmth",
"cold",
"light"
] | B | fat is used to keep animals warm |
math_qa | mathqa_03_03308 | a case of 12 rolls of paper towels sells for $ 9 . the cost of one roll sold individually is $ 1 . what is the percent t of savings per roll for the 12 - roll package over the cost of 12 rolls purchased individually ? | [
"9 %",
"11 %",
"15 %",
"25 %"
] | D | "cost of 12 paper towels individually = 1 * 12 = 12 cost of a set of 12 paper towels = 9 cost of one roll = 9 / 12 = 3 / 4 = 0.75 savings per roll = 1 - . 75 = 0.25 % of savings is t = . 25 / 1 * 100 = 25 % d is the answer ." |
ARC-Easy | arc_04_01262 | Which process moves an ion across a cell membrane against the concentration gradient? | [
"diffusion",
"exocytosis",
"facilitated diffusion",
"active transport"
] | D | null |
sciq | sciq_01_02022 | In physics, what do you call devices that make work easier? | [
"machines",
"levers",
"tools",
"circuits"
] | A | In this chapter, you saw how pressure and buoyancy of fluids can be used to make work easier — from raising a car on a lift to floating a ship on the ocean. Devices that make work easier are called machines in physics. |
openbookqa | obqa_02_02090 | Glass can become a liquid if | [
"it is baked",
"it is frozen",
"it is dampened",
"it is dyed"
] | A | melting point means temperature above which a solid melts |
medmcqa | medmcqa_05_01862 | The commonest malignant tumor of the orbit in the 1st decade is – | [
"Retinoblastoma",
"Neuroblastoma",
"Rhabdomyosarcoma",
"Chloroma"
] | C | Most common malignant orbital tumor in children is rhabdomyosarcoma. It is seen in first decade of life. |
math_qa | mathqa_03_02829 | what number is obtained by adding the units digits of 734 ^ 99 and 347 ^ 83 ? | [
"7",
"8",
"9",
"10"
] | A | the units digit of 734 ^ 99 is 4 because 4 raised to the power of an odd integer ends in 4 . the units digit of 347 ^ 83 is 3 because powers of 7 end in 7 , 9 , 3 , or 1 cyclically . since 83 is in the form 4 n + 3 , the units digit is 3 . then 4 + 3 = 7 . the answer is a . |
openbookqa | obqa_02_02520 | One way we pollute could be | [
"using solar panels on the house",
"throwing plastic in the pacific",
"using plastic to make raincoats",
"using glass bottles to make a house"
] | B | pollution is a source of pollutants |
math_qa | mathqa_03_04615 | 12 business executives and 7 chairmen meet at a conference . if each business executive shakes the hand of every other business executive and every chairman once , and each chairman shakes the hand of each of the business executives but not the other chairmen , how many handshakes would take place ? | [
"150",
"131",
"115",
"90"
] | A | "there are 12 business exec and in each handshake 2 business execs are involved . hence 12 c 2 = 66 also , each of 12 exec will shake hand with every 7 other chairmen for total of 84 handshake . total = 66 + 84 = 150 ans : a" |
sciq | sciq_01_07298 | What item starts puberty in girls? | [
"the uterus",
"the ovary",
"the hypothalamus",
"the thyroid"
] | C | Puberty in girls starts when the hypothalamus “tells” the pituitary gland to secrete hormones that target the ovaries. Two pituitary hormones are involved: luteinizing hormone (LH) and follicle-stimulating hormone (FSH) . These hormones stimulate the ovary to produce estrogen . Estrogen, in turn, promotes growth and ot... |
math_qa | mathqa_03_02847 | in a certain diving competition , 5 judges score each dive on a scale from 1 to 10 . the point value of the dive is obtained by dropping the highest score and the lowest score and multiplying the sum of the remaining scores by the degree of difficulty . if a dive with a degree of difficulty of 3.2 received scores of 7.... | [
"68.8",
"73.6",
"75.2",
"76.16"
] | D | degree of difficulty of dive = 3.2 scores are 6.0 , 7.5 , 8.0 , 8.5 and 9.0 we can drop 6.0 and 9.0 sum of the remaining scores = ( 7.5 + 7.8 + 8.5 ) = 23.8 point of value of the dive = 23.8 * 3.2 = 76.16 answer d |
sciq | sciq_01_08110 | What are lipopolysaccharide components of the outer membrane of gram-negative bacteria? | [
"endotoxins",
"reactants",
"hormones",
"pathogens"
] | A | |
ARC-Easy | arc_04_00839 | A glacier is a slow moving river of ice. How does a glacier help create soil? | [
"It scrapes small particles off large rocks.",
"It carries plants down mountains and to oceans.",
"It melts and becomes part of streams and rivers.",
"It freezes small particles of dirt to form large rocks."
] | A | null |
sciq | sciq_01_07056 | Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur. what are these mutations known as? | [
"superficial mutations",
"evolutionary mutations",
"beneficial mutations",
"provisional mutations"
] | C | Some mutations have a positive effect on the organism in which they occur. They are called beneficial mutations. They lead to new versions of proteins that help organisms adapt to changes in their environment. Beneficial mutations are essential for evolution to occur. They increase an organism’s changes of surviving or... |
openbookqa | obqa_02_02401 | 2000 years ago, this method would likely have brought sand from the coast to the desert | [
"the pyramids often eroded, making their own sand",
"constant breezes over time",
"human automobiles transfer materials",
"the space shuttle moved sand great distances"
] | B | wind carries sand from one place to another place |
ARC-Easy | arc_04_01612 | A balloon filled with helium gas is set free and starts to move upward. Which of the following best explains why the helium balloon moves upward? | [
"The density of helium is less than the density of air.",
"The air resistance lifts the balloon up.",
"There is no gravity acting on the helium balloons.",
"The wind blows the balloon upward."
] | A | null |
math_qa | mathqa_03_00408 | the tax on a commodity is diminished by 20 % and its consumption increased by 25 % . the effect on revenue is ? | [
"2 % decrease",
"8 % decrease",
"9 % decrease",
"0 % no change"
] | D | "100 * 100 = 10000 80 * 125 = 10000 - - - - - - - - - - - 10000 - - - - - - - - - - - 0 100 - - - - - - - - - - - ? = > 0 % no change answer : d" |
math_qa | mathqa_03_01928 | if the operation € is defined for all x and y by the equation x € y = 2 * x * y , then 6 € ( 4 € 5 ) = | [
"480",
"120",
"160",
"240"
] | A | working inside out , ( 4 € 5 ) = 2 * 4 * 5 = 40 6 € 40 = 2 * 6 * 40 = 480 hence , answer is a |
openbookqa | obqa_02_02854 | You can find ferrous metals in | [
"Glass",
"Grass",
"Vehicle scraps",
"Wood"
] | C | rocks often contain large amounts of metal |
ARC-Easy | arc_04_00969 | Which would provide evidence of seafloor spreading? | [
"higher levels of salinity in the ocean water",
"stronger currents at the surface of the ocean",
"cooled magma found on the edge of the plates",
"greater reproduction levels for organisms at the bottom of the ocean"
] | C | null |
sciq | sciq_01_09649 | Angiosperms possess reproductive structures that attract animals that perform what role? | [
"pollination",
"evolution",
"isolation",
"vegetation"
] | A | structure in angiosperms consisting of male and female reproductive structures that attracts animal pollinators. |
medmcqa | medmcqa_05_01390 | Difference in Acne rosacea & Acne vulgaris | [
"Pustule",
"Erythema",
"Papule",
"Absence of comedone"
] | D | Erythema and papulo-pustule (papules and pustules) are seen both in Acne rosacea and Acne vulgaris Comedones are absent in Acne rosacea (a characteristic feature of Acne vulgaris) Ref Harrison 20th edtion pg 1213 |
sciq | sciq_01_10465 | Traits that are affected by more than one gene are what type of traits? | [
"polygenic traits",
"recessive",
"dominant",
"monogenetic"
] | A | Traits that are affected by more than one gene are called polygenic traits . The genes that affect a polygenic trait may be closely linked on a chromosome, unlinked on a chromosome, or on different chromosomes. Polygenic traits are often difficult for geneticists to track because the polygenic trait may have many allel... |
sciq | sciq_01_08401 | What normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy?. | [
"electrostatic repulsions",
"kinetic repulsions",
"evaporation repulsions",
"toxic repulsion"
] | A | Bombarding a target of one element with high-energy nuclei or subatomic particles can create new elements. Electrostatic repulsions normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus. If the positively charged particle is moving at a very high speed, however, it... |
sciq | sciq_01_02185 | In a heterozygote with one dominant and one recessive allele, which is expressed? | [
"dominant elements",
"dominant atoms",
"submissive allele",
"dominant allele"
] | D | The expression of an organism's genotype is called its phenotype . The phenotype refers to the organism's traits, such as purple or white flowers. Different genotypes may produce the same phenotype. This will be the case if one allele is dominant to the other. Both BB and Bb genotypes in Table 6.1 have purple flowers. ... |
math_qa | mathqa_03_04674 | if x + | x | + y = 7 and x + | y | - y = 6 , then x + y = | [
"3",
"4",
"5",
"6"
] | A | "if x + | x | + y = 7 and x + | y | - y = 6 , then x + y = can be done in 2.3 mins : there are 4 cases to be tested : 1 ) x is - ve and y is - ve substituting in the equation , we get x - x + y = 7 and x - y - y = 6 solve for x and y we get x = 20 and y = 7 , so x + y = 27 reject 2 ) x is + ve and y is + ve substitute ... |
sciq | sciq_01_10751 | The lifecycle of an ascomycete is characterized by the production of what during the sexual phase? | [
"flageli",
"asci",
"cerci",
"abaci"
] | B | Figure 24.13 The lifecycle of an ascomycete is characterized by the production of asci during the sexual phase. The haploid phase is the predominant phase of the life cycle. |
openbookqa | obqa_02_04107 | Which would likely displace a desert? | [
"sunlight",
"ant colonies",
"gale forces",
"bush men"
] | C | wind carries sand from one place to another place |
openbookqa | obqa_02_03112 | Where would more water fall from the sky yearly? | [
"inside of a mansion",
"a place where wild camels roam",
"a place where a lot of grass grows",
"on dark side of the moon"
] | C | a grassland environment receives more rainfall than a desert |
openbookqa | obqa_02_00546 | What impact does humans changing animals habits have? | [
"inimical",
"shameful",
"positive",
"happy"
] | A | humans changing animal habitats usually causes harm to those animals |
sciq | sciq_01_03574 | Which theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring? | [
"species theory",
"gene theory",
"evolution theory",
"fossil theory"
] | B | The gene theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring. A gene is a segment of DNA that has the instructions to encode a protein. Genes are located on larger structures, called chromosomes , that are found inside every cell. Chr... |
ARC-Challenge | arc_04_03028 | Dawn brought a chocolate bar for lunch, but the chocolate melted in her backpack. Dawn wants to perform a scientific investigation to determine the reason her chocolate bar melted in her backpack. Which hypothesis should Dawn use for her investigation? | [
"Chocolate will taste better when melted.",
"Chocolate will taste the same even when melted.",
"If the chocolate is broken then the chocolate will melt.",
"If heat is added to chocolate then the chocolate will melt."
] | D | null |
ARC-Easy | arc_04_00663 | The tendency of a stationary object to resist being put into motion is known as | [
"acceleration.",
"inertia.",
"weight.",
"velocity."
] | B | null |
sciq | sciq_01_06932 | The decay rate is measured in a unit called the what? | [
"decay rate",
"radioactive decay",
"half-life",
"exponential decay"
] | C | The decay of an unstable isotope to a stable element occurs at a constant rate. This rate is different for each isotope pair. The decay rate is measured in a unit called the half-life. The half-life is the time it takes for half of a given amount of an isotope to decay. For example, the half-life of carbon-14 is 5730 y... |
openbookqa | obqa_02_02608 | A way to warm your skin with sunlight is to | [
"sit near a fan",
"sit in an igloo",
"sit under an umbrella",
"ride in a truck bed"
] | D | sunlight produces heat |
sciq | sciq_01_04819 | What is the term for if multiple sperm fuse with an egg? | [
"in vitro fertilization",
"pollenation",
"polyspermy",
"fraternization"
] | C | To ensure that no more than one sperm fertilizes the egg, once the acrosomal reactions take place at one location of the egg membrane, the egg releases proteins in other locations to prevent other sperm from fusing with the egg. If this mechanism fails, multiple sperm can fuse with the egg, resulting in polyspermy. The... |
openbookqa | obqa_02_03893 | A gull will build a nest because | [
"it saw other gulls doing the same",
"of something in its genes",
"it wants to tidy up the area",
"it's mother taught it to do that"
] | B | An example of an inherited behavior is a bird building a nest |
medmcqa | medmcqa_05_04043 | Frei's test is used for the diagnosis of? | [
"Lymphogranuloma venereum",
"Tuberculoid leprosy",
"Histoplasmosis",
"Tuberculosis"
] | A | Frei's Test: It is the intradermal skin test used for the diagnosis of Lymphogranuloma venereum. A heat inactivated LGV (0.1ml) grown in yolk sac of embryonated egg is injected intradermally on the forearm and a material prepared from non infected yolk sac on other forearm (control). The test is read after 48-72 hrs. A... |
sciq | sciq_01_01006 | What organ creates bile? | [
"liver",
"kidney",
"heart",
"pancreas"
] | A | The liver is an organ of both digestion and excretion. It produces a fluid called bile , which is secreted into the duodenum. Some bile also goes to the gall bladder , a sac-like organ that stores and concentrates bile and then secretes it into the small intestine. In the duodenum, bile breaks up large globules of lipi... |
medmcqa | medmcqa_05_03466 | Another name for glucose | [
"Dextrin",
"Dextrose",
"Sucrose",
"Saccharin"
] | B | Glucose is the predominant sugar in the human body. It is the major energy source. It is present in blood. -glucose is dextro- rotatory. In clinical practice , it is often called as dextrose.Ref: DM Vasudevan, 7th edition, page no: 71 |
sciq | sciq_01_08094 | Herbivores and omnivores have longer alimentary canals compared to what? | [
"centipedes",
"carnivores",
"mammals",
"arthropods"
] | B | |
openbookqa | obqa_02_02502 | A lizard has young | [
"in shells",
"frozen",
"alive",
"in corpses"
] | A | reptiles lay eggs |
ARC-Easy | arc_04_00177 | Which part of the body carries out the function of copying DNA? | [
"brain",
"heart",
"bones",
"cells"
] | D | null |
sciq | sciq_01_09555 | What does the esophagus produce for lubrication? | [
"mucous",
"bile",
"synovial fluid",
"phloem"
] | A | animal diet needs carbohydrates, protein, and fat, as well as vitamins and inorganic components for nutritional balance. How each of these components is digested is discussed in the following sections. Carbohydrates The digestion of carbohydrates begins in the mouth. The salivary enzyme amylase begins the breakdown of ... |
math_qa | mathqa_03_04321 | if 8 men or 12 women can do a piece of work in 15 days , in how many days can the same work be done by 6 men and 11 women ? | [
"9 days",
"11 days",
"13 days",
"15 days"
] | A | "8 men = 12 women ( i . e 2 men = 3 women ) 12 women 1 day work = 1 / 15 soln : 6 men ( 9 women ) + 11 women = 20 women = ? 1 women 1 day work = 12 * 15 = 1 / 180 so , 20 women work = 20 / 180 = 1 / 9 ans : 9 days answer : a" |
sciq | sciq_01_03906 | The concentration of hydrogen ions in a solution is called? | [
"moisture",
"alkalinity",
"acidity",
"alcohol"
] | C | The strength of acids and bases is determined by the concentration of ions they produce when dissolved in water. The concentration of hydrogen ions in a solution is called acidity. It is measured by pH. A neutral substance has a pH of 7. An acid has a pH lower than 7, and a base has a pH greater than 7. |
sciq | sciq_01_02124 | A symporter carries how many different molecules or ions in the same direction? | [
"two",
"three",
"four",
"one"
] | A | Figure 5.17 A uniporter carries one molecule or ion. A symporter carries two different molecules or ions, both in the same direction. An antiporter also carries two different molecules or ions, but in different directions. (credit: modification of work by “Lupask”/Wikimedia Commons). |
medmcqa | medmcqa_05_02518 | To fully activate a naive CD4 T cell, the antigen-presenting cell has to express? | [
"MHC class I and class II molecules",
"Interleukin-2",
"B7 and MHC class II molecules",
"CD28 and MHC class II molecules"
] | C | MHC class II molecules present antigen to CD4 T cells and co-stimulation binding of B7 to CD28 on the T cell leads to full activation of the naive T cell. Must Know: Feature Class I MHC Proteins Class II MHC Proteins Present antigen to CD4-positive cells No Yes Present antigen to CD8-positive cells Yes No Found on surf... |
sciq | sciq_01_04692 | After what state is reached, the concentrations of all reaction components remain constant unless a change is made to the system? | [
"equality",
"level",
"equilibrium",
"homeostasis"
] | C | After equilibrium has been reached, the concentrations of all reaction components will remain constant unless a change is made to the system. Because the concentrations are no longer changing, it may appear that the reaction has "stopped. " This is incorrect; both the forward and reverse reactions are still going on, e... |
sciq | sciq_01_09497 | What term means the adjusting of systems within a cell in order to restore balance or maintain equilibrium? | [
"systemic regulation",
"aftertouch regulation",
"homeostatic regulation",
"gaseous regulation"
] | C | Homeostasis refers to the balance, or equilibrium, within the cell or a body. It is an organism’s ability to keep a constant internal environment. Keeping a stable internal environment requires constant adjustments as conditions change inside and outside the cell. The adjusting of systems within a cell is referred to a... |
math_qa | mathqa_03_04045 | eddy and freddy start simultaneously from city a and they travel to city b and city c respectively . eddy takes 3 hours and freddy takes 4 hours to complete the journey . if the distance between city a and city b is 570 kms and city a and city c is 300 kms . what is the ratio of their average speed of travel ? ( eddy :... | [
"8 / 3",
"3 / 8",
"38 / 15",
"5 / 8"
] | C | "distance traveled by eddy = 570 km time taken by eddy = 3 hours average speed of eddy = 570 / 3 = 190 km / hour distance traveled by freddy = 300 km time taken by freddy = 4 hours average speed of freddy = 300 / 4 = 75 km / hour ratio of average speed of eddy to freddy = 190 / 75 = 38 / 15 answer c" |
math_qa | mathqa_03_00685 | a positive number x is multiplied by 3 , and this product is then divided by 3 . if the positive square root of the result of these two operations equals x , what is the value of x ? | [
"9 / 4",
"3 / 2",
"4 / 3",
"2 / 3"
] | C | "we need to produce an equation from the information given in the problem stem . we are first given that x is multiplied by 2 and then the product is divided by 3 . this gives us : 2 x / 3 next we are given that the positive square root of the result ( which is 2 x / 3 ) is equal to x . this gives us √ ( 2 x / 3 ) = x ... |
sciq | sciq_01_07844 | John dalton thought that what unit, which means "indivisible", could not be divided into smaller, simpler particles? | [
"atom",
"electron",
"neutron",
"nucleus"
] | A | Scientists have long wanted to find the most basic building blocks of the universe. They asked, “what are the fundamental particles of matter that cannot be subdivided into smaller, simpler particles,” and “what holds these particles together?” The quest for fundamental particles began thousands of years ago. Scientist... |
openbookqa | obqa_02_03244 | An item placed on a balance will be | [
"broken",
"measured",
"sorted",
"classified"
] | B | a balance is used for measuring weight of a substance |
medmcqa | medmcqa_05_00223 | A 42 years old male has strong positive Benedict's test, random blood sugar is > 163 mg%, fasting blood sugar is > 200 mg% Next line of investigation is -: | [
"Urine glucose charting 5 hourly",
"Oral GTT",
"Repeat benedict's test",
"24 hr. urine sugar estimation"
] | B | Ans. is 'b' Oral G.T.T. Diagnostic Criteria for Diabetes(1) Symptoms of diabetes plus random blood glucose concentration >= 200 mg/dl. (Random is defined as without regard to time since last meal) or(2) Fasting plasma glucose >= (126 mg/dl) or(3) Two hour plasma glucose >= (200mg/dl) during an oral GTTHarrison further ... |
openbookqa | obqa_02_04647 | If a thing is going between liquid and solid, it is likely to | [
"visit a school",
"be a door",
"become less heavy",
"measure consistently"
] | D | phase changes do not change mass |
sciq | sciq_01_07485 | When lava flows over a large area and cools, it creates a large, flat surface of what type of rock? | [
"sedimentary",
"metamorphic",
"igneous",
"tidal"
] | C | A lava plateau is made of a large amount of fluid lava. The lava flows over a large area and cools. This creates a large, flat surface of igneous rock. Lava plateaus may be huge. The Columbia Plateau covers over 161,000 square kilometers (63,000 square miles). It makes up parts of the states of Washington, Oregon, and ... |
sciq | sciq_01_03040 | What two planets is the asteroid belt found between? | [
"mars and venus",
"mars and jupiter",
"earth and venus",
"saturn and uranus"
] | B | Hundreds of thousands of asteroids have been found in our solar system. They are still being discovered at a rate of about 5,000 new asteroids per month! The majority are located in between the orbits of Mars and Jupiter. This region is called the asteroid belt , as shown in Figure below . There are many thousands of a... |
ARC-Challenge | arc_04_03057 | What tool would be most useful to calculate the volume of a glass prism? | [
"ruler",
"scale",
"voltmeter",
"thermometer"
] | A | null |
sciq | sciq_01_04119 | What is the name of the body system that fights to protect the body from specific pathogens? | [
"warning system",
"allergic response",
"immune system",
"infectious system"
] | C | The immune system is the body system that fights to protect the body from specific pathogens. The immune system’s specific reaction to a pathogen is called an immune response. The immune system includes several organs and a system of vessels that carry lymph. |
medmcqa | medmcqa_05_01922 | Acute or rapidly developing tolerance to a drug is? | [
"Anaphylaxis",
"Teratogenic effects",
"Induction",
"Supersensitivity"
] | B | Tachyphylaxis is the tolerance to a drug that develops rapidly after administration is begun. Anaphylaxis is the full-blown acute hypersensitivity reaction to a drug that is life-threatening due to airway obstruction and cardiovascular collapse. Teratogenic effects of drugs are those adverse drug effects on the fetus w... |
sciq | sciq_01_04380 | Olfaction refers to which of the five senses? | [
"taste",
"smell",
"sight",
"touch"
] | B | Olfaction is not the pre-eminent sense, but its loss can be quite detrimental. The enjoyment of food is largely based on our sense of smell. Anosmia means that food will not seem to have the same taste, though the gustatory sense is intact, and food will often be described as being bland. However, the taste of food can... |
math_qa | mathqa_03_04149 | a circular dartboard of radius 1 foot is at a distance of 20 feet from you . you throw a dart at it and it hits the dartboard at some point q in the circle . what is the probability that q is closer to the center of the circle than the periphery ? | [
"0.75",
"1",
"0.25",
"0.5"
] | C | radius of inner dartboard / overall radius of dartboard ( ( r / 2 ) ^ 2 ) / ( r ^ 2 ) = 1 / 4 = 0.25 answer : c |
ARC-Challenge | arc_04_02904 | Which of the following changes occurs as a solid is heated? | [
"The kinetic energy of the solid decreases.",
"The average density of the solid increases.",
"The specific heat capacity of the solid decreases.",
"The average molecular speed in the solid increases."
] | D | null |
sciq | sciq_01_00026 | Water molecules move about continuously due to what type of energy? | [
"optical",
"potential",
"kinetic",
"seismic"
] | C | Water molecules move about continuously due to their kinetic energy. When a crystal of sodium chloride is placed into water, the water’s molecules collide with the crystal lattice. Recall that the crystal lattice is composed of alternating positive and negative ions. Water is attracted to the sodium chloride crystal be... |
math_qa | mathqa_03_01716 | according to the directions on the can of frozen orange juice concentrate , 1 can of concentrate is to be mixed with 3 cans of water to make orange juice . how many 12 ounces cans of the concentrate are required to prepare 272 6 ounces servings of orange juice ? | [
"a",
"b",
"c",
"d"
] | B | "its b . total juice rquired = 272 * 6 = 1632 ounce 12 ounce concentate makes = 12 * 4 = 48 ounce juice total cans required = 1632 / 48 = 34 . answer b" |
ARC-Easy | arc_04_01497 | What can cause a moving object to increase its speed in a forward direction? | [
"a force pushing on the object from the opposite direction",
"a force that continually acts on the object in the direction the object is moving",
"an increase in the mass of the object",
"a decrease in the mass of the object"
] | B | null |
math_qa | mathqa_03_04066 | the average salary of a person for the months of january , february , march and april is rs . 8000 and that for the months february , march , april and may is rs . 8300 . if his salary for the month of may is rs . 6500 , find his salary for the month of january ? | [
"2177",
"2876",
"4500",
"5300"
] | D | sum of the salaries of the person for the months of january , february , march and april = 4 * 8000 = 32000 - - - - ( 1 ) sum of the salaries of the person for the months of february , march , april and may = 4 * 8300 = 33200 - - - - ( 2 ) ( 2 ) - ( 1 ) i . e . may - jan = 1200 salary of may is rs . 6500 salary of janu... |
sciq | sciq_01_04581 | What is used to classify tornadoes? | [
"wind speed, damage",
"seismograph",
"damage, snowfall",
"humidity, rain"
] | A | The winds of a tornado can reach very high speeds. The faster the winds blow, the greater the damage they cause. Wind speed and damage are used to classify tornadoes. Table below shows how. |
math_qa | mathqa_03_04486 | if 1 / 12 of the passengers on a ship are from north america , 1 / 8 are europeans , 1 / 3 are from africa , 1 / 6 are from asia and the remaining 35 people are citizens of other continents , then how many passengers are on board the ship ? | [
"110",
"115",
"120",
"125"
] | C | 1 / 12 + 1 / 8 + 1 / 3 + 1 / 6 = ( 2 + 3 + 8 + 4 ) / 24 = 17 / 24 let x be the number of passengers on the ship . 35 = ( 7 / 24 ) x x = 120 the answer is c . |
sciq | sciq_01_00323 | What do craters and rifts become when the fill with water? | [
"lakes",
"creeks",
"grasses",
"rivers"
] | A | Craters and rifts become lakes when they fill with water. Where does the water come from?. |
sciq | sciq_01_10100 | What division of the nervous system controls involuntary activities that are not emergencies, such as the digestive organs breaking down food? | [
"somatic nervous system",
"parasympathetic division",
"central nervous system",
"posterior division"
] | B | The parasympathetic division controls involuntary activities that are not emergencies. For example, it controls the organs of your digestive system so they can break down the food you eat. |
medmcqa | medmcqa_05_02539 | Increased risk of liver adenoma is found in which of the following diseases? | [
"Lipid storage disorder",
"Mitochondrial disease",
"Glycogen storage disorder",
"Lysosomal storage disorder"
] | C | Increased risk of hepatic adenomas is a feature of glycogen storage disorder type 1 (Von Geirke's disease). NARP stands for Neuropathy, Ataxia and Retinitis Pigmentosa. NARP is a disease featuring weakness of the muscles near the trunk, ataxia (wobbliness), retinal disease, seizures and developmental delay. Ref : Bioch... |
sciq | sciq_01_07304 | How many limbs do all mammals have? | [
"three",
"two",
"it varies",
"four"
] | D | Mammals are endothermic vertebrates with four limbs. Examples of mammals include bats, whales, mice, and humans. Clearly, mammals are a very diverse group. Nonetheless, they share several traits that set them apart from other vertebrates. |
math_qa | mathqa_03_04062 | a parking garage rents parking spaces for $ 10 per week or $ 40 per month . how much does a person save in a year by renting by the month rather than by the week ? | [
"$ 40",
"$ 160",
"$ 220",
"$ 240"
] | A | "10 $ per week ! an year has 52 weeks . annual charges per year = 52 * 10 = 520 $ 30 $ per month ! an year has 12 months . annual charges per year = 12 * 40 = 480 $ 520 - 480 = 40 ans a" |
math_qa | mathqa_03_00728 | if a farmer sells 5 of his chickens , his stock of feed will last for 4 more days than planned , but if he buys 10 more chickens , he will run out of feed 3 days earlier than planned . if no chickens are sold or bought , the farmer will be exactly on schedule . how many chickens does the farmer have ? | [
"12",
"24",
"20",
"55"
] | C | "say farmer has n chicken and he is good for d days . : - we have 3 equations given in question : - ( n - 5 ) * d + 4 = ( n + 10 ) * ( d - 3 ) = n * d solving these : ( you can solve 1 st and 3 rd and 2 nd and 3 rd together ) we get : 10 d - 3 n = 30 4 n - 5 d = 20 = > n = 20 ans c it is !" |
math_qa | mathqa_03_01181 | calculate the average of first 18 even numbers is ? | [
"21",
"29",
"19",
"14"
] | C | explanation : sum of 10 even numbers = 18 * 19 = 342 average = 342 / 18 = 19 answer : option c |
sciq | sciq_01_00439 | Hemoglobin is a large molecule made up of proteins and iron. it consists of four folded chains of a protein called this? | [
"peptide",
"globin",
"histone",
"insulin"
] | B | Hemoglobin Hemoglobin is a large molecule made up of proteins and iron. It consists of four folded chains of a protein called globin, designated alpha 1 and 2, and beta 1 and 2 (Figure 18.7a). Each of these globin molecules is bound to a red pigment molecule called heme, which contains an ion of iron (Fe2+) (Figure 18.... |
sciq | sciq_01_05281 | In the universe as a whole, what is the most common element? | [
"oxygen",
"carbon",
"helium",
"hydrogen"
] | D | Abundance The elements vary widely in abundance. In the universe as a whole, the most common element is hydrogen (about 90% of atoms), followed by helium (most of the remaining 10%). All other elements are present in relatively minuscule amounts, as far as we can detect. On the planet Earth, however, the situation is r... |
sciq | sciq_01_11599 | Which zone is located below 200 meters from the surface? | [
"aphotic zone",
"epipelagic",
"observable zone",
"mesopelagic"
] | A | Below 200 meters is the aphotic zone. There are no primary producers here because there isn’t enough sunlight for photosynthesis. However, the water may be rich in nutrients because of dead organisms drifting down from above. Organisms that live here may include bacteria, sponges, sea anemones, worms, sea stars, and fi... |
medmcqa | medmcqa_05_00889 | Which of the following organisms is known to cause Atrophic Rhinitis | [
"Klebsiella pneumonia",
"Klebsiella Ozaena",
"Streptococcus pneumonia",
"Streptococcus foetidis"
] | A | Klebsiella pneumonia is known to cause atrophic rhinitis Various organisms have been cultured from cases of atrophic rhinitis such as Klebsiella ozaenae, (Perez bacillus), diphtheroids, Proteus vulgaris, Escherichia coli,staphylococci and streptococci but they are all considered to be secondary invaders responsible for... |
sciq | sciq_01_02875 | Because the nuclei of each h atom contain protons, the electrons in the bond are attracted to the nuclei (opposite charges attract). but because the two atoms involved in the covalent bond are both h atoms, each nucleus attracts the electrons by the same amount. thus the electron pair is equally shared by these? | [
"four atoms",
"one atom",
"nine atoms",
"two atoms"
] | D | Because the nuclei of each H atom contain protons, the electrons in the bond are attracted to the nuclei (opposite charges attract). But because the two atoms involved in the covalent bond are both H atoms, each nucleus attracts the electrons by the same amount. Thus the electron pair is equally shared by the two atoms... |
openbookqa | obqa_02_00381 | A coal mine is what? | [
"a person who mines for coal",
"a rare type of stone",
"a place where coal is processed",
"a mine that is beneath the earth where coal is found"
] | D | coal mine is a source of coal under the ground |
sciq | sciq_01_03245 | Types of compounds include covalent and which other compounds? | [
"ionic",
"reactant",
"solvent",
"soluble"
] | A | Types of compounds include covalent and ionic compounds. They differ in the nature of the bonds that hold their atoms or ions together. |
sciq | sciq_01_01333 | Fossil records show that what process may occur in "fits and starts"? | [
"isolation",
"variation",
"generation",
"evolution"
] | D | Millions of fossils have been found since Darwin’s time. They show that evolution may occur in fits and starts. Long period of little or gradual change may be interrupted by bursts of rapid change. The rate of evolution is influenced by how the environment is changing. Today, Earth’s climate is changing rapidly. How do... |
math_qa | mathqa_03_04335 | a man swims downstream 48 km and upstream 32 km taking 8 hours each time ; what is the speed of the current ? | [
"1",
"2",
"3",
"4"
] | A | "48 - - - 8 ds = 6 ? - - - - 1 32 - - - - 8 us = 4 ? - - - - 1 s = ? s = ( 6 - 4 ) / 2 = 1 answer : a" |
sciq | sciq_01_08582 | What do most organisms eat in the profundal zone of a lake? | [
"dead organisms",
"algae organism",
"fresh organisms",
"fish waste"
] | A | The deeper water of a lake makes up the profundal zone. There isn’t enough light for photosynthesis in this zone, so most organisms here eat dead organisms that drift down from the water above. Organisms in the profundal zone may include clams, snails, and some species of fish. |
medmcqa | medmcqa_05_01038 | The prevalence of dental caries in a community in the year 2000 and 2003 was 18% and 38% respectively. The incidence of caries for the same population in three years would be: | [
"38%",
"20%",
"10%",
"56%"
] | B | Hint:
Incidence = No. of new cases in a specified time (38-18 = 20%)
Prevalence = Incidence x Duration.
Incidence = Prevalence / Duration = P/D. |
openbookqa | obqa_02_00185 | A storm rages for two weeks, and the rivers and lakes swell past their holding capacity, so | [
"the area becomes damp",
"the surrounding land is underwater",
"the wind blows over trees",
"everything around burns down"
] | B | when a body of water receives more water than it can hold , a flood occurs |
sciq | sciq_01_05032 | Which scientist was responsible for the theory of evolution by natural selection? | [
"galileo Galilei",
"charles darwin",
"stephen hawking",
"albert einstein"
] | B | Linnaeus classified organisms based on obvious physical traits. Basically, organisms were grouped together if they looked alike. After Darwin published his theory of evolution in the 1800s (discussed in the following chapter), scientists looked for a way to classify organisms that showed phylogeny. Phylogeny is the evo... |
sciq | sciq_01_04997 | What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products? | [
"liver",
"liver",
"brain",
"heart"
] | A | Hepatic Portal System The liver is a complex biochemical processing plant. It packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products. Instead of entering the circulation directly, absorbed nutrients and certa... |
sciq | sciq_01_10920 | What do we call an interruption in the normal conduction pathway of the heart? | [
"heartburn",
"heart block",
"heart attack",
"infarction"
] | B | A heart block refers to an interruption in the normal conduction pathway. The nomenclature for these is very straightforward. SA nodal blocks occur within the SA node. AV nodal blocks occur within the AV node. Infra-Hisian blocks involve the bundle of His. Bundle branch blocks occur within either the left or right atri... |
sciq | sciq_01_07055 | What part of the atmosphere is the heat source? | [
"ionosphere",
"stratosphere",
"magnetosphere",
"troposphere"
] | B | Temperature decreases in the mesosphere with altitude. This is because the heat source is the stratosphere. |
openbookqa | obqa_02_03414 | What may be likely to distance itself from humans? | [
"meteors",
"lodgepole pines",
"snow monkeys",
"advanced robots"
] | C | animals usually distance themselves from humans |
medmcqa | medmcqa_05_01896 | A 3-week-old boy is brought to the physician by his parents, who repo that he vomits forcefully immediately after nursing. Physical examination reveals an "olive-like" palpable mass and visible peristaltic movements within the infant's abdomen. What is the most likely cause of projectile vomiting in this infant? | [
"Appendicitis",
"Congenital pyloric stenosis",
"Hirschsprung disease",
"Meconium ileus"
] | B | Infantile hyperophic pyloric stenosis: - Associated with Trisomy 18 Trisomy 21 Exposure to erythromycin in 1st 2 weeks of life - Clinical features: Presents at 3-6 weeks after bih New onset regurgitation Nonbilious projectile vomiting after feeding - Diagnosis : by USG - Treatment: Pyloromyotomy Correct electrolyte imb... |
ARC-Easy | arc_04_00283 | What is formed when a sodium atom and chlorine atom react chemically? | [
"an element",
"a compound",
"an electron",
"a neutron"
] | B | null |
openbookqa | obqa_02_01459 | Which animal produces more eggs | [
"African Driver Ant",
"Humans",
"Monkeys",
"Goats"
] | A | as the number of eggs laid by an animal increases , the number of eggs that hatch will increase |
ARC-Easy | arc_04_01538 | When using more than the recommended amounts of pesticide on farmland, yards, and gardens, what is most likely to occur? | [
"Higher levels of pesticide may be less effective.",
"The pesticides may break down quickly.",
"Water supplies can be contaminated by pesticide runoff.",
"The pesticide will increase the plant production."
] | C | null |
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