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 ⌀ |
|---|---|---|---|---|---|
math_qa | mathqa_03_01919 | a certain car dealership sells economy cars , luxury cars , and sport utility vehicles . the ratio of economy to luxury cars is 5 : 4 . the ratio of economy cars to sport utility vehicles is 3 : 2 . what is the ratio of luxury cars to sport utility vehicles ? | [
"9 : 8",
"8 : 9",
"6 : 5",
"2 : 3"
] | C | "the ratio of economy to luxury cars is 5 : 4 - - > e : l = 5 : 4 = 15 : 12 . the ratio of economy cars to sport utility vehicles is 3 : 2 - - > e : s = 3 : 2 = 15 : 10 . thus , l : s = 12 : 10 = 6 : 5 . answer : c ." |
sciq | sciq_01_01016 | What type of thin lava forms shapes and tubes as it flows? | [
"spicule",
"pāhoehoe",
"xeric",
"xerophyte"
] | B | Pāhoehoe lava is thinner than a'a, and flows more readily. Its surface looks more wrinkly and smooth. Pāhoehoe lava flows in a series of lobes that form strange twisted shapes and natural rock sculptures ( Figure below ). Pāhoehoe lava can form lava tubes. The outer layer of the lava flow cools and solidifies. The inne... |
sciq | sciq_01_05282 | What are substances that cannot be broken down into simpler substances with different properties called? | [
"atoms",
"compounds",
"elements",
"molecules"
] | C | Elements are substances that cannot be broken down into simpler substances with different properties. |
math_qa | mathqa_03_00910 | in what proportion must flour at $ 0.8 per pound be mixed with flour at $ 0.9 per pound so that the mixture costs $ 0.835 per pound ? | [
"1 : 3",
"1 : 2",
"1 : 1",
"2 : 1"
] | D | "using weighted average method : let x be the proportion in which the $ 0.8 per pound flour is mixed with $ 0.9 per pound flour . thus 0.8 * x + 0.9 * ( 1 - x ) = 0.835 0.9 – 0.1 x = 0.835 x = 0.65 thus ratio of both flours is 2 : 1 d" |
ARC-Easy | arc_04_02095 | Which of the following processes is an important part of star formation? | [
"nuclear fusion",
"nuclear fission",
"molecular fusion",
"molecular fission"
] | A | null |
medmcqa | medmcqa_05_04172 | A 45 years old male patient a known case of Crohn's disease presents with recent flare-ups suggestive of fistulas. He was admitted and treated with immune-suppressive. Unfortunately, he got reactivation of his tuberculosis as a result of the side effects of the treatment. Which of the following immunosuppressive medica... | [
"Methotrexate",
"Infliximab",
"Azathioprine",
"Mizorbine"
] | B | Answer: b) InfliximabTREATMENT OF INFLAMMATORY BOWEL DISEASEAminosalicylates* 5-aminosalicylic acid (formulations known as mesalamine): acts topically in the colon.* Sulfasalazine (5-ASA + sulphapyridine), olsalazine (5-ASA+5-ASA) and balsalazide (5-ASA+ amino benzoyl Alanine) are effective for the treatment of ulcerat... |
sciq | sciq_01_02872 | The invention of what instrument in the 1930s allowed scientists to see viruses for the first time? | [
"spy glass",
"magnifying glass",
"telescopes",
"electron microscope"
] | D | Scientists did not actually see viruses for the first time until the 1930s. That’s when the electron microscope was invented. In 1915, English bacteriologist Frederick Twort discovered bacteriophage , the viruses that attack bacteria. He noticed tiny clear spots within bacterial colonies, and hypothesized that somethin... |
math_qa | mathqa_03_02647 | a student committee on academic integrity has 72 ways to select a president and vice president from a group of candidates . the same person can not be both president and vice president . how many candidates are there ? | [
"7",
"8",
"9",
"10"
] | C | "xc 1 * ( x - 1 ) c 1 = 72 x ^ 2 - x - 72 = 0 ( x - 9 ) ( x + 8 ) = 0 x = 9 , - 8 - 8 ca n ' t possible . c" |
sciq | sciq_01_09948 | Many innovative farming methods can prevent what type of erosion, which is especially important in agriculture? | [
"vegetable erosion",
"plains erosion",
"soil erosion",
"fertilizer erosion"
] | C | There are many farming methods that help prevent soil erosion. |
openbookqa | obqa_02_01677 | Our only satellite is found with the other | [
"nine planets",
"nebula",
"red giant stars",
"Andromeda galaxy"
] | A | the solar system contains the moon |
math_qa | mathqa_03_02301 | a reduction of 12 % in the price of oil enables a house wife to obtain 6 kgs more for rs . 1200 , what is the reduced price for kg ? | [
"24",
"27",
"40",
"28"
] | A | "1200 * ( 12 / 100 ) = 144 - - - - 6 ? - - - - 1 = > rs . 24 answer : a" |
sciq | sciq_01_05670 | Color, temperature, and solubility are examples of what type of property? | [
"minimal",
"intensive",
"susceptible",
"severe"
] | B | Color, temperature, and solubility are examples of intensive properties. |
sciq | sciq_01_05699 | Kidneys, large intestine, liver, skin, and lungs comprise which system? | [
"excretory system",
"Muscular system",
"Digestive system",
"Lymphatic system"
] | A | Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs. |
ARC-Challenge | arc_04_02691 | Which results in a chemical change? | [
"A student smells a flower.",
"A teacher lights a candle.",
"A student colors a paper blue.",
"A teacher feels a rough cloth."
] | B | null |
sciq | sciq_01_08620 | Structural rearrangements of what include partial duplications, deletions, inversions, and translocations; duplications and deletions often produce offspring that survive but exhibit physical and mental abnormalities? | [
"chromosomes",
"phenotypes",
"neutrons",
"cells"
] | A | Chromosome Structural Rearrangements Cytologists have characterized numerous structural rearrangements in chromosomes, including partial duplications, deletions, inversions, and translocations. Duplications and deletions often produce offspring that survive but exhibit physical and mental abnormalities. Cri-du-chat (fr... |
sciq | sciq_01_04560 | The structure of the boeing 787 has been described as essentially one giant macromolecule, where everything is fastened through cross-linked chemical bonds reinforced with this? | [
"carbon fiber",
"nitrogen fiber",
"non-covalent interaction",
"metal-metal bonds"
] | A | carbon fiber–epoxy and boron fiber–epoxy composites. Compared with metals, these materials are 25%– 50% lighter and thus reduce operating costs. Similarly, the space shuttle payload bay doors and panels are made of a carbon fiber–epoxy composite. The structure of the Boeing 787 has been described as essentially one gia... |
sciq | sciq_01_07192 | Comparisons of amino acid sequences can shed light on the evolutionary divergence of what? | [
"birds",
"mammals",
"dinosaurs",
"related species"
] | D | |
medmcqa | medmcqa_05_03857 | Child begins to sit with suppo, able to transfer objects from one hand to another hand and speak monosyllabic babbles at the age of | [
"3 months",
"6 months",
"9 months",
"12 months"
] | B | <p>. Developmental milestones:- GROSS MOTOR DEVELOPMENT: 2 months: Holds head in plane of rest of the body when held in ventral suspension. In prone position in bed, the chin lifts momentarily. 3 months:lift head above the plane of the body. Head control stas by 3 months and fully developed by 5 months. 4 months:Remain... |
openbookqa | obqa_02_00491 | Humans go through multiple stages in their life. First is infancy, last is | [
"Stage 7",
"being an adult",
"high school",
"puberty"
] | B | adulthood is a stage in the life cycle process |
ARC-Easy | arc_04_01892 | Which of these particles, when found in soil, contributes most to the water retention in soil? | [
"gravel",
"sand",
"silt",
"clay"
] | D | null |
math_qa | mathqa_03_02374 | in a fort , there are 1200 soldiers . if each soldier consumes 3 kg per day , the provisions available in the fort will last for 30 days . if some more soldiers join , the provisions available will last for 25 days given each soldier consumes 2.5 kg per day . find the number of soldiers joining the fort in that case . | [
"627",
"528 soldiers",
"626",
"657"
] | B | assume x soldiers join the fort . 1200 soldiers have provision for 1200 ( days for which provisions last them ) ( rate of consumption of each soldier ) = ( 1200 ) ( 30 ) ( 3 ) kg . also provisions available for ( 1200 + x ) soldiers is ( 1200 + x ) ( 25 ) ( 2.5 ) k as the same provisions are available = > ( 1200 ) ( 30... |
medmcqa | medmcqa_05_01495 | A newborn has a fever of 103degF. Blood culture grows gram-positive cocci in chains. This is most likely to be which of the following? | [
"Group A Streptococci (Streptococcus pyogenes)",
"Group B Streptococci (Streptococcus agalactiae)",
"Salmonella species",
"Streptococcus pneumoniae"
] | B | Most human infections caused by Streptococci involve the group A organisms (Streptococcus pyogenes). The group B Streptococci are members of the female genital tract and are impoant causes of neonatal sepsis and meningitis. Here we have newborn in the question given, so the most likely organism would be Gr B strep. |
ARC-Challenge | arc_04_02892 | The weathering of landforms depends on various factors. Which area would most likely have the fastest rate of chemical weathering? | [
"freezing and dry regions",
"warm and moist regions",
"cool and humid regions",
"hot and dry regions"
] | B | null |
sciq | sciq_01_01400 | Graded potentials are temporary changes in what, the characteristics of which depend on the size of the stimuli? | [
"membrane voltage",
"components voltage",
"organic voltage",
"organism voltage"
] | A | Figure 12.25 Graded Potentials Graded potentials are temporary changes in the membrane voltage, the characteristics of which depend on the size of the stimulus. Some types of stimuli cause depolarization of the membrane, whereas others cause hyperpolarization. It depends on the specific ion channels that are activated ... |
sciq | sciq_01_00049 | The formation of an amalgam allows the metal to react with what? | [
"air and water",
"helium and oxygen",
"cloth and plastic",
"blood and sweat"
] | A | The metals of group 13 (Al, Ga, In, and Tl) are all reactive. However, passivation occurs as a tough, hard, thin film of the metal oxide forms upon exposure to air. Disruption of this film may counter the passivation, allowing the metal to react. One way to disrupt the film is to expose the passivated metal to mercury.... |
medmcqa | medmcqa_05_02728 | A 14 year old girl who has lost her parents came to OPD with depressive symptoms. Doctor felt extremely sad and was so pitiful that he decided to adopt her. This is an example for: | [
"Positive transference",
"Negative transference",
"Positive counter transference",
"Negative counter transference"
] | C | Counter transference is the feeling of doctor toward a patient and here the doctor had positive feelings toward her suggestive of positive counter transference. |
openbookqa | obqa_02_00253 | Veins carry blood which means that they | [
"lack enough fluid to grow",
"cart essential substances around",
"are unessential for health",
"keep the body healthy"
] | B | veins transport nutrients throughout the body |
medmcqa | medmcqa_05_04866 | The Uveitis associated with vitiligo & auditory defects occurs in – | [
"Behcet's syndrome",
"Steven Johnson syndrome",
"Vogt–Koyanagi syndrome",
"Ankylosing–spondylitis"
] | C | Vogt Koyanagi - Harada (VKH) syndrome
It is an idiopathic multisystem disorder which includes cutaneous, neurological and ocular lesions.
The disease is comparatively more common in Japanese who are usually positive for HLA-DR4 and DW15.
Clinical features
Cutaneous lesions include: alopecia, poliosis and vitiligo.
... |
sciq | sciq_01_03811 | What does the large central vacuole do? | [
"create glucose",
"store water",
"heat water",
"use water"
] | B | First, plant cells have a large central vacuole that holds a mixture of water, nutrients, and wastes. A plant cell's vacuole can make up 90% of the cell’s volume. The large central vacuole essentially stores water. In animal cells, vacuoles are much smaller. |
sciq | sciq_01_07981 | When light strikes the rods and cones, they hyperpolarize, shutting off their release of what? | [
"enzyme",
"glutamate",
"vitreous fluid",
"dopamine"
] | B | |
sciq | sciq_01_03748 | The presence of what, which acts as a trigger, affects the rate of chemical reaction? | [
"catalyst",
"heat",
"light",
"friction"
] | A | rates The rates at which reactants are consumed and products are formed during chemical reactions vary greatly. We can identify five factors that affect the rates of chemical reactions: the chemical nature of the reacting substances, the state of subdivision (one large lump versus many small particles) of the reactants... |
math_qa | mathqa_03_04167 | a 360 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds . what is the length of the other train ? | [
"220 meter",
"225 meter",
"140 meter",
"235 meter"
] | C | "explanation : as trains are running in opposite directions so their relative speed will get added so , relative speed = 120 + 80 = 200 kmph = 200 * ( 5 / 18 ) = 500 / 9 m / sec let the length of other train is x meter then x + 360 / 9 = 500 / 9 = > x + 360 = 500 = > x = 140 so the length of the train is 140 meters opt... |
math_qa | mathqa_03_01080 | the cost of an article is decreased by 20 % . if the original cost is $ 40 , find the decrease cost . | [
"33",
"32",
"68",
"36"
] | B | "original cost = $ 40 decrease in it = 20 % of $ 40 = 20 / 100 ã — 40 = 800 / 100 = $ 8 therefore , decrease cost = $ 40 - $ 8 = $ 32 answer : b" |
sciq | sciq_01_07240 | Metabolism is controlled by regulation of what? | [
"nucleus activity",
"cell activity",
"enzyme activity",
"sequence activity"
] | C | 8.5 Regulation of enzyme activity helps control metabolism. |
openbookqa | obqa_02_02552 | An example of a fossil could be a | [
"dino track",
"animal eye",
"human heart",
"abandoned nest"
] | A | a nest is made of branches |
sciq | sciq_01_09731 | What helps push the fetus from the uterus during birth? | [
"Shaking",
"tremors",
"glands",
"contractions"
] | D | Near the time of birth, the amniotic sac breaks in a gush of liquid. Labor usually begins within a day of this event. Labor involves contractions of the muscular walls of the uterus. With the mother’s help, the contractions eventually push the fetus out of the uterus and through the vagina. |
sciq | sciq_01_04016 | Maltose, lactose, and sucrose are common types of what, which are distinguished by their monosaccharide constituents? | [
"silicates",
"disaccharides",
"precipitates",
"oxides"
] | B | The disaccharides differ from one another in their monosaccharide constituents and in the specific type of glycosidic linkage connecting them. There are three common disaccharides: maltose, lactose, and sucrose. All three are white crystalline solids at room temperature and are soluble in water. We’ll consider each sug... |
openbookqa | obqa_02_04729 | What typically occurs between a sixth and a half of a minute? | [
"a volcano",
"a television series",
"an hour",
"an earthquake"
] | D | a tectonic plate moves along a fault line |
sciq | sciq_01_11556 | Red blood cells don't have a nucleus. this allows them to do what? | [
"heal faster",
"move faster",
"be redder",
"carry more oxygen"
] | D | Red blood cells ( Figure below ) are made in the red marrow of long bones, rib bones, the skull, and vertebrae. Each red blood cell lives for only 120 days (about four months). After this time, they are destroyed in the liver and spleen. Mature red blood cells do not have a nucleus or other organelles. Lacking these co... |
ARC-Easy | arc_04_01636 | Matter that is vibrating is producing ___. | [
"gas",
"light",
"sound",
"shadows"
] | C | null |
math_qa | mathqa_03_01248 | three numbers are in the ratio of 2 : 3 : 4 . if the sum of the squares of the extremes is 180 , then the middle number is : | [
"6",
"12",
"15",
"9"
] | D | "number be = 2 x , 3 x , 4 x , ( 2 x ) 2 + ( 4 x ) 2 = 180 20 x = 180 ⇒ x = 9 ⇒ x = 3 , midline number = 3 × 3 = 9 answer : d" |
medmcqa | medmcqa_05_04202 | Measurement of bilirubin in serum is by | [
"Colorimetric method",
"Electrophoresis",
"Spectrophotometry",
"Chromatography"
] | A | Measurement of Bilirubin in SerumQuantitation of bilirubin employs a colorimetric method based on the reddish-purple color formed when bilirubin reacts with diazotized sulfanilic acid. An assay conducted in the absence of added methanol measures "direct bilirubin," which is bilirubin glucuronide. An assay conducted in ... |
sciq | sciq_01_01606 | Substances that act as both weak acids and bases are said to be what? | [
"hygroscopic",
"amphoteric",
"atmospheric",
"amphiphilic"
] | B | Other applications of carbonates include glass making—where carbonate ions serve as a source of oxide ions—and synthesis of oxides. Hydrogen carbonates are amphoteric because they act as both weak acids and weak bases. Hydrogen carbonate ions act as acids and react with solutions of soluble hydroxides to form a carbona... |
sciq | sciq_01_11252 | The structures of both trifluoramine and hydroxylamine are similar to that of what? | [
"nitrogen",
"magnesium",
"ammonia",
"hydrogen"
] | C | The structures of both trifluoramine and hydroxylamine are similar to that of ammonia. |
medmcqa | medmcqa_05_01504 | Costen's syndrome refers to neurological pain associated with? | [
"Sphenopalatine ganglion",
"Temporomandibular joint",
"Glossopharyngeal nerve",
"Lingual nerve"
] | B | Temporomandibular joint REF: Dhingra's ENT P-400, Cawson's essentials of oral pathology and oral medicine By R. A. Cawson, E. W. Odell page. 199 "Costen's syndrome is abnormality of temporomandibular joint due to defective bite. It is characterized by otalgia, feeling of blocked ear, tinnitus and sometimes veigo. Pain ... |
openbookqa | obqa_02_00121 | Which converts carbon dioxide, water, and solar energy into oxygen? | [
"chrysanthemum",
"mistletoe",
"mushroom",
"mole"
] | A | photosynthesis means green plants convert from carbon dioxide, water, and solar energy into oxygen for themselves |
sciq | sciq_01_08775 | What organ senses sound? | [
"ear",
"teeth",
"brain",
"eyes"
] | A | Hearing is the ability to sense sound waves, and the ear is the organ that senses sound. Sound waves enter the auditory canal and travel to the eardrum (see Figure below ). They strike the eardrum and make it vibrate. The vibrations then travel through several other structures inside the ear and reach the cochlea. The ... |
medmcqa | medmcqa_05_04706 | Longest acting insulin is | [
"Global zinc suspension",
"Insulin- zinc suspension",
"Neutral protamine hagedorm (NPH)",
"Protamine- zinc insulin"
] | D | (Protamine zinc insulin) (259-KDT 6th)Types of Insulin Preparations and Insulin analogues1. Rapid acting- Insulin lispro, Insulin aspart, Insulin glulisine2. Short acting- Regular (soluble) insuline3. Intermediate acting- Insulin zinc suspension or Lente, Neutral protamine hagedorm (NPH) or Isophane insulin4. Long acti... |
medmcqa | medmcqa_05_03022 | A 55years male presented with dry mouth, & rheumatoid arthritis with high titre of anti SS-A and SS-B antibodies, diagnosed a case of minor salivary gland tumour. The earliest histologic finding in | [
"Endothelial cells",
"Basophils",
"Lymphocyte",
"Eosinophils"
] | C | (Lymphocytes) (235-36-Robbins 7th) (148- Basic pathology 8th)* Clinical features and investigation suggest diagnosis is Sjogren's Syndrome* SJOGREN'S SYNDROME - Triad* Dry eye (Keroconjunctivitis)* Dry mouth (Xerostomia)]Sicca* Rheumatoid arthritis * Two antibodies directed against two ribonucleoprotein antigen SS-A (R... |
sciq | sciq_01_09188 | What type of electrons are electrons that are not confined to the bond between two atoms? | [
"delocalized",
"internalized",
"virtualized",
"detached"
] | A | In benzene, the true bonding between carbon atoms is neither a single nor a double bond. Rather, all of the bonds are a hybrid of a single and double bond. In benzene, the pi bonding electrons are free to move completely around the ring. Delocalized electrons are electrons that are not confined to the bond between two ... |
sciq | sciq_01_01586 | Which chemical element is the basis of all life on earth? | [
"carbon",
"nitrogen",
"oxygen",
"hydrogen"
] | A | Carbon is an element. Carbon is the basis of all life on Earth. Since carbon can combine with many other elements it forms a variety of different substances. |
sciq | sciq_01_02978 | Concentration is the removal of solvent, which increases the concentration of what? | [
"solute",
"Water",
"sodium",
"vapor"
] | A | Often, a worker will need to change the concentration of a solution by changing the amount of solvent. Dilution is the addition of solvent, which decreases the concentration of the solute in the solution. Concentration is the removal of solvent, which increases the concentration of the solute in the solution. (Do not c... |
ARC-Challenge | arc_04_02380 | Many houses are built on the sides of hills. Which of these actions would best prevent houses from sliding down hills after heavy rainfalls? | [
"increasing the slope of the hill",
"spraying herbicides on the hill",
"adding plants to the hill",
"removing grass from the hill"
] | C | null |
medmcqa | medmcqa_05_03281 | Ham test is used for diagnosis of: | [
"Breast carcinoma",
"Asthma",
"Rheumatoid ahritis",
"Paroxysmal nocturnal haemoglobinuria"
] | D | The definitive diagnosis of paroxysmal nocturnal hemoglobinuria (PNH) must be based on the demonstration that a substantial propoion of the patient's red cells have an increased susceptibility to complement (C), due to the deficiency on their surface of proteins (paicularly CD59 and CD55) that normally protect the red ... |
sciq | sciq_01_08360 | When fuel is burned most of the energy is released as what? | [
"condensation",
"heat",
"precipitation",
"humidity"
] | B | When fuel is burned, most of the energy is released as heat . Some of this heat can be used to do work. Heat cooks food or warms your house. Sometimes the heat is just waste heat. It still heats the environment, though. |
medmcqa | medmcqa_05_00684 | Oxyhemoglobin dissociation curve is shifted to left in | [
"Metabolic acidosis",
"Hypercapnia",
"Hypothermia",
"Increased 2-3 DPG levels"
] | C | When blood becomes slightly acidic wit PH decreasing from normal value of 7.4 to 7.2, the O2 - Hb curve shifts on an average about 15% to right. A shift in O2-Hb curve to right occurs in response to increased blood CO2 and hydrogen ions. Decreased blood temperature shifts the curve to left In normal BPG in blood shifts... |
medmcqa | medmcqa_05_00061 | Nipah virus is transmitted by | [
"Pigs",
"Mosquitoes",
"Fruit bats",
"Cattle"
] | C | Ref:Park's Textbook of Preventive and Social Medicine 25th Ed |
sciq | sciq_01_05908 | The two main agents of soil erosion are water and what else? | [
"glaciers",
"wind",
"humidity",
"steam"
] | B | The main agents of soil erosion are water and wind. |
sciq | sciq_01_08554 | Earth’s magnetic north and south poles are not the same as what? | [
"equatorial planes",
"geographic poles",
"geographic hemispheres",
"geographic currents"
] | B | Earth has north and south magnetic poles like a bar magnet. Earth’s magnetic poles are not the same as the geographic poles. |
openbookqa | obqa_02_04063 | Who can hear sounds? | [
"boulders",
"giraffes",
"rocks",
"stone statues"
] | B | when sound reaches the ear , that sound can be heard |
medmcqa | medmcqa_05_03487 | Most common type of RCC associated with dialysis: | [
"Clear cell CA",
"Papillary CA",
"Medullary CA",
"Chromophobe"
] | B | Ans. (b) Papillary CA |
math_qa | mathqa_03_01941 | a man invested rs . 14,400 in rs . 100 shares of a company at 20 % premium . if the company declares 5 % dividend at the end of the year , then how much does he get ? | [
"rs . 500",
"rs . 600",
"rs . 650",
"rs . 720"
] | B | "solution number of shares = ( 14400 / 120 ) = 120 . face value = rs . ( 100 x 120 ) = rs . 12000 . annual income = rs . ( 5 / 100 x 12000 ) = rs . 600 . answer b" |
math_qa | mathqa_03_01356 | 1397 x 1397 = ? | [
"1951607",
"1951609",
"1951610",
"1951611"
] | B | "1397 x 1397 = ( 1397 ) 2 = ( 1400 - 3 ) 2 = ( 1400 ) 2 + ( 3 ) 2 - ( 2 x 1400 x 3 ) = 1960000 + 9 - 8400 = 1960009 - 8400 = 1951609 . b )" |
math_qa | mathqa_03_04204 | danny and steve are running towards each other , each one from his own house . danny can reach steve ' s house in 31 minutes of running , which is half the time it takes steve to reach danny ' s house . if the two started to run at the same time , how much time longer will it take steve to reach the halfway point betwe... | [
"15.5 minutes",
"31 minutes",
"35 minutes",
"62 minutes"
] | A | "danny ' s time is 31 minutes . the time to reach halfway is 15.5 minutes . steve ' s time is 62 minutes . the time to reach halfway is 31 minutes . the time difference is 31 - 15.5 = 15.5 minutes the answer is a ." |
sciq | sciq_01_02503 | What term decribes the amount of time required for half of the original material to decay in an isotope? | [
"radioactive isotope",
"Geiger count",
"life cycle",
"half-life"
] | D | 11.6 End-of-Chapter Material Chapter Summary To ensure that you understand the material in this chapter, you should review the meanings of the bold terms in the following summary and ask yourself how they relate to the topics in the chapter. Some atoms have unstable nuclei that emit particles and high-energy electromag... |
medmcqa | medmcqa_05_00182 | Mechanism of Acyclovir resistance - | [
"Thymidine kinase",
"DNA-dependent RNA polymerase",
"| spectrum",
"| Side effects"
] | A | Ans. is 'a' i.e., Thymidine kinase Both HSV and VZV have been found to develop resistance to acyclovir during therapy the former primarily due to mutants deficient in thymidine kinase activity and the latter primarily by change in specificity of virus directed enzyme so that its affinity for acyclovir is decreased. |
openbookqa | obqa_02_00990 | a learned characteristic is a | [
"a baby having the same color eyes as parent",
"toddler banging with a stick while parent hammers",
"a child covered with freckles",
"infant diagnosed with sickle cell anemia"
] | B | using tools is a learned characteristic |
ARC-Challenge | arc_04_02475 | In the 1500s, Nicolaus Copernicus proposed a new theory on the heliocentric structure of the solar system. Which of these statements best describes this new theory? | [
"Earth is at the center of the solar system.",
"There are eight planets in the solar system.",
"The Sun is at the center of the solar system.",
"Moons have circular orbits in the solar system."
] | C | null |
medmcqa | medmcqa_05_02888 | Not seen in tumor lysis syndrome: September 2009 | [
"Hyperphosphatemia",
"Hyperuricemia",
"Hypocalcemia",
"Hypercalcemia"
] | D | Ans. D: Hypercalcemia Tumor ly5is syndrome is typically associated with acute leukemia and high-grade non-hodgkin lymphoma such as Burkitt lymphoma. A potentially lethal complication of anticancer treatment, tumor lysis syndrome occurs when large numbers of neoplastic cells are killed rapidly, leading to release of int... |
sciq | sciq_01_05781 | The global biosphere includes all areas of what? | [
"study",
"life",
"geography",
"science"
] | B | The global biosphere, which includes all areas that contain life, from the sea to the atmosphere. |
math_qa | mathqa_03_01894 | the distance from city a to city b is 220 miles . while driving from city a to city b , bob drives at a constant speed of 40 miles per hour . alice leaves city a 30 minutes after bob . what is the minimum constant speed in miles per hour that alice must exceed in order to arrive in city b before bob ? | [
"44",
"48",
"50",
"52"
] | A | "the time it takes bob to drive to city b is 220 / 40 = 5.5 hours . alice needs to take less than 5 hours for the trip . alice needs to exceed a constant speed of 220 / 5 = 44 miles per hour . the answer is a ." |
medmcqa | medmcqa_05_00947 | Restriction fragment length polymorphism is used for: | [
"Analysis of chromosome structures",
"DNA estimation",
"Synthesis of nucleic acid",
"Detecting proteins in a cell"
] | A | A i.e. Analysis of Chromosal structure |
sciq | sciq_01_03137 | Because atoms are always electrically neutral, for each added proton, one of what is also added? | [
"quark",
"electron",
"ion",
"neutron"
] | B | From left to right across the periodic table, each element has one more proton than the element to its left. Because atoms are always electrically neutral, for each added proton, one electron is also added. Electrons are added first to the lowest energy level possible until that level is full. Only then are electrons a... |
ARC-Easy | arc_04_01416 | A girl with long hair is going to be participating in an experiment that uses an alcohol burner for an energy source. What is the best thing for her to do to prepare for this experiment? | [
"leave her large jacket in her locker for the day",
"use goggles during the experiment",
"tie her hair back away from her face",
"wear a lab apron during the experiment"
] | C | null |
openbookqa | obqa_02_01104 | The rhino population is smaller than before because | [
"cars crashed into rhinos",
"lions have become more effective at hunting rhinos",
"global warming has increased temperatures",
"people use parts for health remedies"
] | D | harming an animal species causes that animal 's population to decrease |
medmcqa | medmcqa_05_04297 | In which pa of body a lesser impact causes maximum bruise? | [
"Face",
"Sole",
"Back",
"Palm"
] | A | the synopsis for forensic medicine& ttoxicology - Dr k.s .narayan reddy, 28 edition . Pg no . 106 If the pa is vascular & loose such as face ,vulva ,scrotum ,a slight degree of violence may cause large bruise . Bruising is more marked on tissue overlying bone which acts as anvil ,with the skin between the bone and infl... |
sciq | sciq_01_05939 | What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses? | [
"Horizontal Front",
"stationary front",
"susceptible front",
"cool front"
] | B | Sometimes two air masses stop moving when they meet. These stalled air masses create a stationary front . Such a front may bring clouds and precipitation to the same area for many days. |
ARC-Challenge | arc_04_02909 | Which property best indicates that soil contains nutrients? | [
"texture",
"color",
"amount of sand",
"amount of clay"
] | B | null |
medmcqa | medmcqa_05_04955 | Sexual asphyxia is associated with which of the following perversions | [
"Voyeurism",
"Masochism",
"Sadism",
"Fetishism"
] | B | . |
sciq | sciq_01_00020 | Most of the chemical reactions in the body are facilitated by what? | [
"proteins",
"carbohydrates",
"vitamins",
"enzymes"
] | D | Enzymes are critical to the body’s healthy functioning. They assist, for example, with the breakdown of food and its conversion to energy. In fact, most of the chemical reactions in the body are facilitated by enzymes. |
medmcqa | medmcqa_05_00626 | The following drug can be given safe in pregnancy: | [
"Propylthiouracil",
"MTX",
"Warfarin",
"Tetracycline"
] | A | Ans. is a, i.e. PropylthiouracilRef Dutta Obs. 7/e, p 288' KDT 6/e, p 250Propylthiouracil is used for medical management of hyperthyroidism during pregnancy. As far as other 3 options are concerned."Tetracycline and doxycycline cannot be given to pregnant women or to children <8 years of age." --Harrison 17/e, p 1291Te... |
math_qa | mathqa_03_02119 | if n is a positive integer and the product of all integers from 1 to n , inclusive , is a multiple of 210 , what is the least possible value of n ? | [
"7",
"9",
"11",
"13"
] | A | "210 = 2 * 3 * 5 * 7 , so n must be at least 7 . the answer is a ." |
sciq | sciq_01_09275 | Roundworms are intervertebrates that belong to which phylum? | [
"amoebozoa",
"annelida",
"Gordiacea",
"nematoda"
] | D | Roundworms are invertebrates in Phylum Nematoda. Roundworms have a pseudocoelom and complete digestive system. They are free-living heterotrophs or parasites. |
sciq | sciq_01_06739 | What do sharks use to secrete salt to assist in osmoregulation? | [
"rectal gland",
"ceramic gland",
"blood gland",
"bladder gland"
] | A | animals exposed to similar levels of urea. Sharks are cartilaginous fish with a rectal gland to secrete salt and assist in osmoregulation. |
math_qa | mathqa_03_03833 | if 5 < x < 12 and y = x + 3 , what is the greatest possible integer value of x + y ? | [
"23",
"24",
"25",
"26"
] | D | "x + y = x + x + 3 = 2 x + 3 we need to maximize this value and it needs to be an integer . 2 x is an integer when the decimal of x is . 0 or . 5 the largest such value is 11.5 then x + y = 11.5 + 14.5 = 26 . the answer is d ." |
sciq | sciq_01_03914 | The fuel rods are made of a corrosion-resistant alloy that encases the partially enriched uranium fuel; controlled fission of 235u in the fuel produces heat. water surrounds the fuel rods and moderates this? | [
"electromagnetism",
"kinetic energy",
"half-life",
"thermal energy"
] | B | The fuel rods are made of a corrosion-resistant alloy that encases the partially enriched uranium fuel; controlled fission of 235U in the fuel produces heat. Water surrounds the fuel rods and moderates the kinetic energy of the. |
sciq | sciq_01_00056 | The angle at which light bends when it enters a different medium is known as what? | [
"refraction",
"resonance",
"frequency",
"bounce"
] | A | The angle at which light bends when it enters a different medium depends on its change in speed. The greater the change in speed, the greater the angle of refraction is. For example, light refracts more when it passes from air to diamond than it does when it passes from air to water. That’s because the speed of light i... |
sciq | sciq_01_09575 | Ionic, covalent, and hydrogen are three important types of what type of interaction between different types of atoms? | [
"conflicts",
"bonds",
"forms",
"levels"
] | B | 2.2 | Chemical Bonds By the end of this section, you will be able to: • Explain the relationship between molecules and compounds • Distinguish between ions, cations, and anions • Identify the key difference between ionic and covalent bonds • Distinguish between nonpolar and polar covalent bonds • Explain how water mole... |
openbookqa | obqa_02_00681 | Seeds that stick in the fur of an animal | [
"will hitch a ride on that animal",
"will fall back off immediately",
"will sprout roots in the animal's fur",
"will be unable to regerminate"
] | A | if seeds stick to the fur of an animal then that seed will be transported by the animal |
sciq | sciq_01_06077 | What type of ecosystem do polar bears live in? | [
"tropical",
"oceanic",
"arctic",
"natural"
] | C | Polar Bears. Thick fur and a layer of blubber keep polar bears warm in their Arctic ecosystem. Why do you think their fur is white? Why might it be an adaptation in an Arctic biome?. |
openbookqa | obqa_02_03039 | What type of product can be made from the moving winds? | [
"snow",
"electricity",
"wood",
"bananas"
] | B | uneven heating of the Earth 's surface cause wind |
sciq | sciq_01_04236 | The upper portion of the septum is formed by the perpendicular plate of which bone? | [
"colossal bone",
"concomitant bone",
"ethmoid bone",
"duodenum bone"
] | C | The Nasal Septum and Nasal Conchae The nasal septum consists of both bone and cartilage components (Figure 7.17; see also Figure 7.11). The upper portion of the septum is formed by the perpendicular plate of the ethmoid bone. The lower and posterior parts of the septum are formed by the triangular-shaped vomer bone. In... |
sciq | sciq_01_09520 | What takes place in the organelle known as the chloroplast, which distinguishes animal from plant cells? | [
"perspiration",
"digestion",
"reproduction",
"photosynthesis"
] | D | Photosynthesis takes place in the organelle of the plant cell known as the chloroplasts. Chloroplasts are one of the main differences between plant and animal cells. Animal cells do not have chloroplasts, so they cannot photosynthesize. Photosynthesis occurs in two stages. During the first stage, the energy from sunlig... |
ARC-Challenge | arc_04_02338 | A line graph is best used to | [
"compare many variables.",
"display data as parts of a whole.",
"track the relationship between two variables over time.",
"organize data using pictures of objects."
] | C | null |
sciq | sciq_01_10138 | What is the smallest aromatic hydrocarbon? | [
"benzene",
"phenanthrene",
"anthracene",
"naphthalene"
] | A | Benzene is the smallest aromatic hydrocarbon. It has just one ring. You can see its structural formula in Figure below . Benzene has many uses. For example, it is used in air fresheners and mothballs because of its strong scent. |
math_qa | mathqa_03_03817 | if it is assumed that 70 percent of those who receive a questionnaire by mail will respond and 300 responses are needed , what is the minimum number of questionnaires that should be mailed ? | [
"400",
"428.5",
"480",
"500"
] | B | "minimum no of mail to be sent for getting 300 responses at 70 % = 300 / 0.7 = 428.5 option b" |
sciq | sciq_01_00316 | What is likely to happen to a parasite if it kills its host? | [
"it adapts",
"it thrives",
"it mutates",
"it dies"
] | D | Some parasites kill their host, but most do not. It’s easy to see why. If a parasite kills its host, the parasite is also likely to die. Instead, parasites usually cause relatively minor damage to their host. |
sciq | sciq_01_02580 | Evolution occurs because of changes in what over time? | [
"genomes",
"atoms",
"alleles",
"mitochondria"
] | C | We now know how variation in traits is inherited. Variation in traits is controlled by different alleles for genes. Alleles, in turn, are passed to gametes and then to offspring. Evolution occurs because of changes in alleles over time. How long a time? That depends on the time scale of evolution you consider. |
ARC-Challenge | arc_04_02189 | Scientists who disagree with the results of an experiment should | [
"change the experiment.",
"keep their opinions to themselves.",
"find out what other scientists think about the results.",
"repeat the experiment several times and compare results."
] | D | null |
sciq | sciq_01_06414 | What is produced during a condensation reaction? | [
"rain",
"wind",
"fire",
"water"
] | D | Condensation reactions are the chemical processes by which large organic compounds are synthesized from their monomeric units. Hydrolysis reactions are the reverse process. During condensation reactions, water is produced from the two molecules being bonded together; an H from one monomer is joined to an -OH from anoth... |
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