id
string
dataset
string
question
string
options
list
answer
string
explanation
string
mmlu_aux_1727
mmlu_auxiliary
<ctx> – 48, entomologists began to notice that insecticides were having a negative impact on other animals, particularly birds. chemical companies portrayed the human battle against insects as a struggle for existence, and their promotional films in the 1950s invoke charles darwin. darwin's biographer james moore notes...
[ "Writers have played an important role in the battle against pollution.", "The scientist Rachel Carson taught people about environmental issues through her writing.", "Carson's book Silent Spring changed the way some pesticides were used.", "Many of Carson's books were about pesticide-related issues." ]
B
null
aquarat_13371
aquarat
<ctx> of water. strategy b taking a ratio of new intensity to old intensity and using primes for the new quantities, we will find that it depends on the ratio of the areas. all other quantities will cancel. solution b 1. take the ratio of intensities, which yields : 16. 75 16. 76 16. 77 16. 78 16. 79 777 57. how many ...
[ "A)6:1", "B)1:6", "C)2:3", "D)3:2" ]
A
Quantity of milk in 200 liters if mix = 200*4/5 =160 liters Quantity of milk in 210 liters of new mix = 160+20 = 180 liters Quantity of water in it = 210-180 = 30 liters Ratio of milk and water in new mix = 180:30 = 6:1 Answer is A
openbookqa_873
openbookqa
<ctx> fourth power of the absolute temperature. more mundanely, we use infrared lamps, some of which are called quartz heaters, to preferentially warm us because we absorb infrared better than our surroundings. the sun radiates like a nearly perfect blackbody ( that is, it has ), with a 6000 k surface temperature. abou...
[ "jupiter", "the moon", "a yellow dewarf", "titan" ]
C
qasc_5882
qasc
<ctx> vertebrate zoology is the biological discipline that consists of the study of vertebrate animals, i. e., animals with a backbone, such as fish, amphibians, reptiles, birds and mammals. many natural history museums have departments named vertebrate zoology. in some cases whole museums bear this name, e. g. the mus...
[ "empty shell", "Chemical energy", "waterproof shell", "water-filled shell" ]
C
medmcqa_3422
medmcqa
<ctx> in cell biology, the cytoplasm describes all material within a eukaryotic cell, enclosed by the cell membrane, except for the cell nucleus. the material inside the nucleus and contained within the nuclear membrane is termed the nucleoplasm. the main components of the cytoplasm are the cytosol ( a gel - like subst...
[ "P-bodies", "Nucleolus", "Cajal bodies", "Interchromatin granule clusters" ]
A
Even if you don't know about all the options and you just know about P body you can answer this question. The P body is a cytoplasmic organelle involved in mRNA metabolism. Here is where miRNA-mRNA complexes are temporarily stored. They can either undergo degradation or mRNA can be released back for translation. Nucleo...
medmcqa_9869
medmcqa
<ctx> ), 2010, p. 1. y. ben hdech, s. beaumont, and j. guedon, “ developpement d ’ une methode de controle qualite des systemes de planification des traitements, utilises en radiotherapie, au moyen du code monte - carlo penelope et des objets tests numeriques, ” in journee des doctorants de l ’ ecole doctorale stim jdo...
[ "Soap bubble appearance", "Sun ray appearance", "Osteoid formation by neoplastic cells", "Cotton wool appearance" ]
B
Ans. is 'b' i.e. sunray appearance .X-ray features of Osteosarcoma.Area of irregular destruction of metaphysesErosion of the overlying cortex.New bone formation in the matrix of the tumor*Periosteal reaction* (which is irregular; periosteal reaction in osteomyelitis is smooth)Codman's triangle*Sun-ray appearance*
aquarat_35444
aquarat
<ctx> whether to kick to the right or left side of the goal, and simultaneously the goalie must decide which way to block it. also, the kicker has a direction they are best at shooting, which is left if they are right - footed. the matrix for the soccer game illustrates this situation, a simplified form of the game stu...
[ "A)10 to 20", "B)10 to 40", "C)24 to 40", "D)30 to 70" ]
C
First of all notice that since only 40 athletes play defense, then the number of athletes that play both midfield and defense cannot possibly be greater than 40.Eliminate D and E. {Total} = {defense} + {midfield} - {both} + {neither} 100 = 40 + 64 - {both} + {neither} {both} = {neither} + 4. Since the least value of {n...
mmlu_aux_5052
mmlu_auxiliary
<ctx> shenzhou 6 ( ) was the second human spaceflight of the chinese space program, launched on october 12, 2005, on a long march 2f rocket from the jiuquan satellite launch center. the shenzhou spacecraft carried a crew of fei junlong ( ) and nie haisheng ( 海 ) for five days in low earth orbit. it launched three days ...
[ "Two", "Three", "Four", "Five" ]
B
null
openbookqa_770
openbookqa
<ctx> figure 10 and the tiny granada crater ( on the right side ) of figure 9. most of the initial sediment blocks project above the surrounding material ( by a few centimeters or more ) and are exposed to saltating sand ( i. e., wind - driven, bouncing sand ). the saltating sand erodes the soft, easy - to - erode part...
[ "a millennia", "a week", "a day", "a fortnight" ]
A
qasc_3047
qasc
<ctx> is a low amount of moisture in a cellulose fiber, volatilization of the fuel occurs ; this process will generate intermediate gaseous products that will ultimately be the source of combustion. when moisture is present — or when enough heat is being carried away from the fiber, charring occurs. the chemical kineti...
[ "less wind", "heat energy", "protect them", "friction" ]
A
aquarat_28360
aquarat
<ctx> the relative velocity ( also or ) is the velocity of an object or observer b in the rest frame of another object or observer a. classical mechanics in one dimension ( non - relativistic ) we begin with relative motion in the classical, ( or non - relativistic, or the newtonian approximation ) that all speeds are ...
[ "A)227", "B)444", "C)277", "D)298" ]
B
1h ----- 5 ? ------ 60 12 h RS = 16 + 21 = 37 T = 12 D = 37 * 12 = 444 Answer: B
mmlu_aux_7865
mmlu_auxiliary
<ctx> environmental conditions. another group of plants employ " cam - cycling ", in which their stomata do not open at night ; the plants instead recycle produced by respiration as well as storing some during the day. plants showing inducible cam and cam - cycling are typically found in conditions where periods of wat...
[ "understand", "sour", "calibrate", "pray" ]
C
null
medmcqa_3592
medmcqa
<ctx> provinces ( e. g., who definition by birth at ≥28 weeks versus birth at ≥20 weeks or ≥500g ). furthermore, what constitutes reduced biological growth potential is variably defined, ranging from birth weight < 2500g, to birth weight < 3rd percentile for gestational age and gender. with future convergence in mind, ...
[ "28cm", "30cm", "35cm", "38cm" ]
C
parks textbook of preventive and social medicine 23rd edition * ninth revision of international classification of diseases (ICD) added that :(1) babies choosen for inclusion in perinatal statistics should be tjose above a minimum bih weight ie1000g at bih. (2)if bihweight is not available ,a gestational period of atlea...
aquarat_7600
aquarat
<ctx> 2. 14597 = 40. 99862 | align = " right " | 40 | | 0. 89123 | | align = " right " | 41 | | 0. 90315 | - - - - - | 0. 95 | | 2. 44775 = 46. 76414 | align = " right " | 46 | | 0. 94825 | | align = " right " | 47 | | 0. 95477 | - - - - - | 0. 99 | 3. 03485 = 57. 98081 | align = " right " | 57 | 0. 99012 | align = " r...
[ "A)4", "B)8", "C)5", "D)2" ]
C
Let the number off boys in the group originally be x. Total weight of the boys = 30x After the boy weighing 36 kg joins the group, total weight of boys = 30x + 36 So 30x + 36 = 31(x + 1) = > x = 5 Answer: C
aquarat_18845
aquarat
<ctx> 2. 3 • time, velocity, and speed 45 figure 2. 11 position vs. time, velocity vs. time, and speed vs. time on a trip. note that the velocity for the return trip is negative. making connections : take - home investigation — getting a sense of speed if you have spent much time driving, you probably have a good sense...
[ "A)178 m", "B)240 m", "C)120 m", "D)168 m" ]
B
Speed = (12/10 * 60) km/hr = (72 * 5/18) m/sec = 20 m/sec. Length of the train = 20 * 12 = 240 m. Answer: B
aquarat_49132
aquarat
<ctx> weekly matchup. just like in real baseball, players who are usually benched can become starters for various reasons : due to a starting player's injury, poor performance, or if the starter's team is not playing on a particular day. whether to sit or start a player is also based on strategic considerations, such a...
[ "A)60", "B)210", "C)2580", "D)3360" ]
D
2C1 select 1 goalkeeper from 2 boys; 8C2 select 2 defense from 8 boys (as 2 boys can only play goalkeeper 10-2=8); 6C2 select 2 midfield from 6 boys (as 2 boys can only play goalkeeper and 2 we've already selected for defense 10-2-2=6); 4C1 select 1 forward from 4 boys (again as 2 boys can play only goalkeeper, 4 we've...
aquarat_16769
aquarat
<ctx> mumbai suburban railway is one of the busiest commuter rail systems in the world. trains run from 04 : 00 until 01 : 00, and some trains also run up to 02 : 30 or 03 : 00. it is the first suburban rail network in india. history the mumbai suburban railway is an offshoot of the first passenger railway to be built ...
[ "A)287", "B)279", "C)200", "D)278" ]
C
When the second train leaves Mumbai the first train covers 40 * 1 = 40 km So, the distance between first train and second train is 40 km at 10.00am Time taken by the trains to meet = Distance / relative speed = 40 / (50 -40) = 4 hours So, the two trains meet at 2 p.m. The two trains meet 4 * 50 = 200 km away from Mumba...
aquarat_19676
aquarat
<ctx> 26. 8 m / s ( 100 km / h ) in only 3. 90 s. ( a ) what is its average acceleration? ( b ) how far does it travel in that time? 29. freight trains can produce only relatively small accelerations and decelerations. ( a ) what is the final velocity of a freight train that accelerates at a rate of for 8. 00 min, star...
[ "A)60.8", "B)18", "C)30", "D)52.5" ]
D
Solution Speed = 189 Kmph = (189 x 5/18)m/sec = 52.5 m/sec. Answer D
qasc_327
qasc
<ctx> is precursor - mediation. the absorbed molecule is adsorbed onto a surface into a precursor state. the molecule then diffuses across the surface to the chemisorption sites. they break the molecular bond in favor of new bonds to the surface. the energy to overcome the activation potential of dissociation usually c...
[ "PV=nRT", "heat or cold", "reactants", "energy barrier" ]
D
aquarat_45546
aquarat
<ctx> in mathematics, the remainder is the amount " left over " after performing some computation. in arithmetic, the remainder is the integer " left over " after dividing one integer by another to produce an integer quotient ( integer division ). in algebra of polynomials, the remainder is the polynomial " left over "...
[ "A)10", "B)6", "C)4", "D)0" ]
B
It is essential to recognize that the remainder when an integer is divided by 10 is simply the units digit of that integer. To help see this, consider the following examples: 4/10 is 0 with a remainder of 4 14/10 is 1 with a remainder of 4 5/10 is 0 with a remainder of 5 105/10 is 10 with a remainder of 5 It is also es...
medmcqa_5086
medmcqa
<ctx> ##te ) ( pmma ) is the material of choice for denture teeth, however ceramic denture teeth have been, and still are used for this purpose. the main benefit associated with the use of ceramic teeth is their superior wear resistance. there are however a number of disadvantages to using ceramic for denture teeth inc...
[ "skeptical", "philosophical", "critical", "indifferent" ]
B
mmlu_aux_2989
mmlu_auxiliary
<ctx> ##man butterflies, painted ladies lack red receptors, which means that they are not sensitive to red light. behavioral studies on the related species, vanessa atalanta, have demonstrated that v. atalanta cannot distinguish yellow light from orange light or orange light from red light. roosting behaviour and terri...
[ "It belongs to the insect family.", "It does harm to all growing plants.", "It lives on the liquid of plants.", "It can fly a long distance." ]
A
null
arc_easy_1758
arc_easy
<ctx> manifest themselves as changes to the location, amount and composition of sediments. legacy effects are temporally and spatially variable and the resulting sediment have varying spatial extents, accumulation rates and residence times within a river system. for example, removal of beaver dams may initially cause l...
[ "animals climbing up the river bank", "acid rain falling onto the river bank", "heat from the sun drying the river bank", "water from a flood flowing over the river bank" ]
D
medmcqa_2470
medmcqa
<ctx> ##nge, l. m., b. v. shah, b. g. barnwell, and j. f. killinger ( 1990 ). sudaan : a comprehensive package for survey data analysis. in g. e. liepins and v. r. r. uppuluri ( eds. ), data quality control. new york : marcell dekker, inc., pp. 209 – 227. shah, b. v. and r. p. moore ( 1977 ). national longitudinal stud...
[ "Education", "Spacing between pregnancies", "Early sterilization", "Nutrition" ]
B
medmcqa_8517
medmcqa
<ctx> on may 30, 2013, rather than in april. third, it rounded the duration of the test from 2. 5 hours to 3 hours. lower court proceedings district court because of these three misrepresentations, dubin was charged in the united states district court for the western district of texas with healthcare fraud in violation...
[ "137", "147", "167", "197" ]
D
197 IPC: Issuing or signing (attesting) false certificate by a doctor is a criminal offence.
medmcqa_829
medmcqa
<ctx> ##pse rate associated with all treatment regimens, even if the treatment has been taken religiously with 100 % compliance ( the standard regimen 2hrez / 4hr has a relapse rate of 2 to 3 % under trial conditions ). the majority of relapses occur within 6 months of finishing treatment. patients who are more likely ...
[ "Prevention of complication", "Prevention of disease transmission", "Complete clinical cure", "Complete bacteriological cure" ]
D
Ans. is 'd' i.e., Complete bacteriological cure Chemotherapy is indicated in every case of active tuberculosis. The objective of treatment is cure-that is, the elimination of both the fast and slowly multiplying bacilli from the patient's body. The effects of chemotherapy are judged not by the anatomic healing of lesio...
arc_easy_601
arc_easy
<ctx> 25. 6 image formation by lenses learning objectives by the end of this section, you will be able to : • list the rules for ray tracking for thin lenses. • illustrate the formation of images using the technique of ray tracking. • determine power of a lens given the focal length. lenses are found in a huge array of...
[ "reflection.", "refraction.", "dispersion.", "diffraction." ]
B
pubmedqa_251
pubmedqa
<ctx> ##ten and casein. based on that hypothesis, diets that eliminate foods containing either gluten or casein, or both, are widely promoted, and many testimonials can be found describing benefits in autism - related symptoms, notably social engagement and verbal skills. studies supporting those claims had significant...
[ "yes", "no", "maybe" ]
A
medmcqa_1298
medmcqa
<ctx> . focus on distant objects when the eye focuses on distant objects, the lens holds itself in a flattened shape due to traction from the suspensory ligaments. ligaments pull the edges of the elastic lens capsule towards the surrounding ciliary body and by opposing the internal pressure within the elastic lens, kee...
[ "Superior rectus", "Inferior rectus", "Superior oblique", "Inferior oblique" ]
D
D. i.e. Inferior oblique
medmcqa_4547
medmcqa
<ctx> escherichia coli ( ; commonly abbreviated e. coli ) is a gram - negative gammaproteobacterium commonly found in the lower intestine of warm - blooded organisms ( endotherms ). the descendants of two isolates, k - 12 and b strain, are used routinely in molecular biology as both a tool and a model organism. diversi...
[ "0 157 : H7", "0 159 : H7", "0 107 : H7", "0 55" ]
A
Ans. is 'a' i.e., 0157 : 117
aquarat_36044
aquarat
<ctx> wretman ( 1977 ), foundations of inference in survey sampling. new york : wiley, 192 pp. c. e. sarndal, b. swensson, j. wretman ( 1992 ), model assisted survey sampling. new york : springer - verlag, 695 pp, in paperback 2003. c. e. sarndal, s. lundstrom ( 2005 ), estimation in surveys with nonresponse. new york ...
[ "A)16%", "B)21.5%", "C)20%", "D)18.5%" ]
A
From the question, we can summarize the information as follows: N Not N M X Not M Ans y 47 40 100 Then we can set a system of 3 equations 3 unknowns described below: X + Y = 55 X + Ans = 40 Y + Ans = 47 Sum up all three equations to get 2X + 2Y + 2Ans = 142 Divide both sides by 2 to get X + Y + Ans = 71 Replace X + Y w...
arc_challenge_250
arc_challenge
<ctx> . comparison of selected properties the two tables in this section list some physical and chemical properties of metals and those of the three to four types of nonmetals, based on the most stable forms of the elements in ambient conditions. the aim is to show that most properties display a left - to - right progr...
[ "Li and B", "I and Ca", "K and He", "N and P" ]
D
aquarat_20226
aquarat
<ctx> discussion. mathematics : choose three of six tasks, one in each area : differential and integral calculus, analytic geometry and linear algebra and probability theory. each task is usually split into five or six smaller tasks. the kultusministerkonferenz ( kmk ) of several states expanded the exams to scientific...
[ "A)65", "B)78", "C)96", "D)90" ]
D
lets marks obtain 2x,3x,4x,5x,6x. total marks 6y,5y,8y,4y,7y. addition of marks obtain=(2x+3x+4x+5x+6x)=20x addition of total marks=(6y+5y+8y+4y+7y)=30y so percentage=(20x/30y)*100 (20x/30y)*100=48 so,x/y=18/25 as we observed 5x/4y is the maximum marks so 5x/4y=5/4*18/25*100=90% ANSWER:D
aquarat_9926
aquarat
<ctx> heart or diamond ) or a black card ( club or spade ) will be drawn. when a and b are mutually exclusive,. to find the probability of drawing a red card or a club, for example, add together the probability of drawing a red card and the probability of drawing a club. in a standard 52 - card deck, there are twenty -...
[ "A)1/13", "B)2/15", "C)4/13", "D)3/17" ]
C
Here, n(S) = 52 There are 13 cards that are diamond (including one king) and there are 3 more kings. Let E = event of getting a diamond or a king. Then, n(E) = (13 + 3) = 16 P (E) = 16 / 52 = 4/13 C
aquarat_48495
aquarat
<ctx> in mathematics, a system of linear equations ( or linear system ) is a collection of one or more linear equations involving the same variables. for example, is a system of three equations in the three variables. a solution to a linear system is an assignment of values to the variables such that all the equations ...
[ "A)More than three", "B)Exactly three", "C)Exactly two", "D)Exactly one" ]
D
6x − 12 = 6y => 6x - 6y = 12 => x- y =2 -- 1 5y + 5x = 5 =>x + y = 1 -- 2 From equation 1 and 2 , we get 2x = 3 => x=1.5 y=-0.5 Therefore , the given system will have Exactly one solution D
aquarat_27478
aquarat
<ctx> the entrance of the 50. 0 - m - long vertical pipe. take the density of the oil to be and its viscosity to be ( or ). note that you must take into account the pressure due to the 50. 0 - m column of oil in the pipe. 48. concrete is pumped from a cement mixer to the place it is being laid, instead of being carried...
[ "A)17 1/7", "B)17 1/9", "C)17 8/7", "D)17 8/8" ]
C
1/20 + 1/30 - 1/40 = 7/120 120/7 = 17 1/7 Answer:C
medmcqa_3208
medmcqa
<ctx> 12. 7 • catalysis 637 how sciences interconnect glucose - 6 - phosphate dehydrogenase deficiency enzymes in the human body act as catalysts for important chemical reactions in cellular metabolism. as such, a deficiency of a particular enzyme can translate to a life - threatening disease. g6pd ( glucose - 6 - phos...
[ "Fructokinase", "Aldolase A", "Aldolase B", "Sucrase" ]
C
The above clinical features on the initiation of fruit juice suggests a disorder of fructose metabolism. Hereditary fructose intolerance (HFI) is due to deficiency of the enzyme Aldolase B. Individuals affected with HFI are asymptomatic until they ingest fructose or sucrose (usually in the form of fruit, fruit juice or...
openbookqa_2528
openbookqa
<ctx> , 2009. ecology, concepts and applications, pp. 91 – 98. mcgraw - hill, new york. moore, j and moore, r, 2006. evolution 101. greenwood publishing group, westport, ct. roff, d, 2002. life history evolution. sinauer assoc., inc., sunderland, ma. simmons, lw, 2001. sperm competition and its evolutionary consequence...
[ "sticks", "small food beings", "bubbles", "rocks" ]
B
medmcqa_8979
medmcqa
<ctx> ic : 13. 308 - 25. 429 ) : 35. 639 € for mars patients and 15. 804 € for the control group. incremental cost per lyg was 29. 985 € ( 95 % ic : 9. 441 - 321. 761 ) and €43, 040 ( 95 % ic : 13. 551 - 461. 856 ) per quality - adjusted life years ( qaly ). liver support systems, such as mars, are very important to st...
[ "HAV", "HBV", "HCV", "HDV" ]
D
Hepatitis D virus Hepatitis D accounts for maximum number of fulminant cases of viral hepatitis, a sizable propoion of which are associated with HBV infection. Superinfection with HDV in patients of chronic hepatitis B infection leads to fulminant hepatic failure
aquarat_24245
aquarat
<ctx> the investment vehicle that maximizes the profit. hence, conclusion : knowing the direction the market will go ( i. e. having perfect information ) is worth $ 350. discussion : if someone was selling information that guaranteed the accurate prediction of the future market direction, we would want to purchase this...
[ "A)20%", "B)28%", "C)29%", "D)40%" ]
C
SP2 = 2/3 SP1 CP = 100 SP2 = 86 2/3 SP1 = 86 SP1 = 129 100 --- 29 => 29% Answer:C
mmlu_aux_3762
mmlu_auxiliary
<ctx> ##yla. he explains, with detailed diagrams of arthropod and chordate development and a brief, richly - cited but conversational text, how that symmetry is produced. the next four chapters are on the fly, the butterfly, the snake, and the cheetah. each consists of three to eight sections named in the style of rudy...
[ "report", "review", "advertisement", "journal" ]
B
null
pubmedqa_871
pubmedqa
<ctx> humanae vitae encyclical letter on the regulation of birth in 1968, which outlined opposition to " artificial birth control " on the basis that it would open a " wide and easy road... towards conjugal infidelity and the general lowering of morality ". in response to the subsequent aids epidemic which emerged from...
[ "yes", "no", "maybe" ]
B
medmcqa_8292
medmcqa
<ctx> is transmitted by vectors, ticks of the genus ixodes, from the diseases'reservoirs in animals such as deer. campylobacter jejuni, a cause of gastroenteritis, is spread by the fecal – oral route from animals, or by eating insufficiently cooked poultry, or by contaminated water. haemophilus influenzae, an agent of ...
[ "Relapsing fever", "KFD", "Tularemia", "Indian tick typhus" ]
A
Among the given options soft tick transmits relapsing fever while the KFD, tularemia and Indian tick typhus are transmitted by hard ticks. Ref: Park Textbook of Preventive and Social Medicine, 19th Edition, Pages 622-23, 634-35
mmlu_aux_4903
mmlu_auxiliary
<ctx> they are testing a gray water recycling system, using a three - stage process to reclaim water from sinks and showers. this, along with other water - saving features, have reduced this building's potable water demand by 85 - 90 % of a similarly - sized office building. design the orientation and the lunar - shape...
[ "4.4 thousand", "11 thousand", "48.4 thousand", "24 million" ]
C
null
aquarat_39230
aquarat
<ctx> the rectangular region another shape, the area of the two shapes will be identical. thus rearranging the six green triangles, three blue triangles and three red triangles into a rectangle with width = 3, and height shows that the area of the dodecagon = 3. in general, multiplying half of the circumference of a -...
[ "A)18", "B)19", "C)20", "D)21" ]
A
l2 + b2 = 41. Also, lb = 20. (l + b)2 = (l2 + b2) + 2lb = 41 + 40 = 81 (l + b) = 9. Perimeter = 2(l + b) = 18 cm. Answer:A
openbookqa_2319
openbookqa
<ctx> plant perception is the ability of plants to sense and respond to the environment by adjusting their morphology and physiology. botanical research has revealed that plants are capable of reacting to a broad range of stimuli, including chemicals, gravity, light, moisture, infections, temperature, oxygen and carbon...
[ "orange juice", "Dasani", "apple juice", "fire" ]
B
openbookqa_2310
openbookqa
<ctx> species alongside the already - established burmese python. feral rock pythons were also noted in the 1990s in the everglades. the central african rock python inhabits a wide range of habitats, including forest, savanna, grassland, semidesert, and rocky areas. it is particularly associated with areas of permanent...
[ "big dogs", "six legged creatures", "ears of corn", "well done steaks" ]
B
aquarat_30716
aquarat
<ctx> of crude or refined petroleum products. canada has a large network of pipelines - over 840, 000 km - that transport crude oil and natural gas across the country. there are four main pipeline groups : gathering, feeder, transmission, and distribution pipelines. gathering pipelines transport crude oil and natural g...
[ "A)0.008", "B)0.08", "C)0.064", "D)0.64" ]
C
The volume of oil pumped to the tank = The volume of oil taken away from stationary cylinder. pi*64*10 = pi*h*100*100 (h is distance that the oil level dropped) h = 640/10,000 = 64/1000 = 0.064 ft The answer is C.
openbookqa_1747
openbookqa
<ctx> of other objects in the sky, though varying thicknesses of cloud cover have differing effects. a very thin cirrus cloud in front of the moon might produce a rainbow - colored ring around the moon. stars and planets are too small or dim to take on this effect and are instead only dimmed ( often to the point of inv...
[ "that is a new phenomenon", "that is expected due to the axis", "that is very scary", "that is rare and unusual" ]
B
openbookqa_2373
openbookqa
<ctx> the ground in an attempt to kill them before being hung from their rear legs and skinned alive. one investigator filmed a raccoon dog being skinned alive before being thrown onto a heap of carcasses. after the skinning it still had enough strength to lift its bloodied head and stare into the camera. a 2013 invest...
[ "fly", "are telepathic", "dig", "intake gaseous elements" ]
D
pubmedqa_580
pubmedqa
<ctx> gallbladder ( known as courvoisier's sign ) may also raise suspicion, and can help differentiate pancreatic cancer from gallstones. medical imaging techniques, such as computed tomography ( ct scan ) and endoscopic ultrasound ( eus ) are used both to confirm the diagnosis and to help decide whether the tumor can ...
[ "yes", "no", "maybe" ]
B
openbookqa_864
openbookqa
<ctx> a small test charge. in both cases, the fields represent only the object creating them and not the probe testing them. ) figure 22. 15 shows how the magnetic field appears for a current loop and a long straight wire, as could be explored with small compasses. a small compass placed in these fields will align itse...
[ "pointing east", "pointing west", "pointing at arctic", "pointing to space" ]
C
medmcqa_5904
medmcqa
<ctx> ) computer network analysis social statistics methods in sociology social network analysis ties : - relations of blood / marriage / civil partnership or adoption. the family unit is one of the most important social institutions found in some form in nearly all known societies. it is the basic unit of social orga...
[ "Study of human relationship", "Study of behaviour", "Both", "None" ]
C
sociology ; study of human relationships and behaviour for a better understanding of the pattern of human life. it also concerned with the effects on the individual of the ways in which other individuals think and act ref ;(page no;670)23rd edition of PARK's textbook of Preventive and Social medicine
medmcqa_459
medmcqa
<ctx> of coronary ischemia is chest pain or pressure, known as angina pectoris. angina may present typically with classic symptoms or atypically with symptoms less often associated with heart disease. atypical presentations are more common women, diabetics, and elderly individuals. typical angina is typically located b...
[ "Breast cyst", "Galactocele", "Fibroadenoma", "Breast cancer" ]
A
Fibroadenoma - it occurs in 2nd to 3rd decade of life Galactocele - it occurs in 3rd to 4th decade of life. Breast cancer - there is no associated family history and lump has developed suddenly hence breast cancer is ruled out. Breast cyst - it occurs in 5th to 6th decade of life. Examination revealed fluctuant lesion ...
arc_challenge_800
arc_challenge
<ctx> 34. 1 • cosmology and particle physics 1505 figure 34. 4 ( a ) andromeda is the closest large galaxy, at 2 million light years distance, and is very similar to our milky way. the blue regions harbor young and emerging stars, while dark streaks are vast clouds of gas and dust. a smaller satellite galaxy is clearly...
[ "a dust particle", "an asteroid", "a planet", "a star" ]
A
arc_challenge_868
arc_challenge
<ctx> the event of oxygen shortage ( hypoxia ), intracellular acidosis ( mediated by enhanced glycolytic rates and atp hydrolysis ), contributes to mitochondrial membrane potential and directly drives atp synthesis. most of the atp synthesized in the mitochondria will be used for cellular processes in the cytosol ; thu...
[ "oxygen", "heat", "sugar", "protein" ]
B
medmcqa_8451
medmcqa
<ctx> life stress, such as childhood abuse, can induce a sensitization of the hpa axis, resulting in particular heightened neuronal activity in response to stress - induced crh release. with repeated exposure to stress, the sensitized hpa axis may continue to hypersecrete crh from the hypothalamus. over time, crh recep...
[ "Hypoglycemia", "Hypocalcemia", "Hypotension", "Hyponatremia" ]
B
medmcqa_277
medmcqa
<ctx> abrasion is the process of scuffing, scratching, wearing down, marring, or rubbing away. it can be intentionally imposed in a controlled process using an abrasive. abrasion can be an undesirable effect of exposure to normal use or exposure to the elements. in stone shaping ancient artists, working in stone, used ...
[ "Linear abrasion", "Pressure abrasion", "Sliding abrasion", "Superficial bruise" ]
B
Ans. is 'b' ie pressure abrasion (Ref: Parikh; 6/e, p4.3).An abrasion is a superficial injury involving only the superficial layers of the skin (epidermis only), caused by friction and / or pressure between the skin and some rough object or surface. It bleeds very slightly, heals rapidly in a few days and leaves no sca...
medmcqa_6702
medmcqa
<ctx> to form reactive aldehydes and allysine via oxidative deamination. these reactive aldehydes and allysines can react with other lysine and allysine residues to form desmosine, isodesmosine, and a number of other polyfunctional crosslinks that join surrounding molecules of tropoelastin into an extensively crosslink...
[ "Antiproliferative for fibroblasts", "Antiproliferative for keratinocytes", "Loss of collagen", "Hyperpigmentation" ]
D
It is antiproliferative for fibroblasts and keratinocytes. Glucocoicoids in excess inhibit fibroblasts, lead to loss of collagen and connective tissue, and thus result in thinning of the skin, easy bruising, stria formation, and poor wound healing. Hyperpigmentation is a direct effect of ACTH on melanocoin 1 receptors.
medmcqa_7163
medmcqa
<ctx> complex and largely uncertain, however, several direct and indirect effects have been observed as the fetus matures. predominant among these are irregularities in the fetus's endocrine, metabolic and physiological functions. smoking the negative consequences of smoking are well - known, and these may be even more...
[ "Placenta pre", "Placental abruption", "Manual removal of placenta", "Gestational diabetes" ]
D
Adverse Outcomes That are Increased in Women with Threatened AboionMaternalPerinatalPlacenta prePPROM & PROM Placental abruptionPreterm bihManual removal of placentaLow bih weightCesarean deliveryFetal growth restrictionFetal and neonatal feath(Ref: William's Obstetrics; 25th edition)
medmcqa_494
medmcqa
<ctx> front of the sacroiliac joint, one on either side, and each bifurcates into the external and internal iliac arteries. iliac artery, external – the external iliac arteries are two major arteries which bifurcate off the common iliac arteries anterior to the sacroiliac joint of the pelvis. they proceed anterior and ...
[ "Splenic artery", "Splenic vein", "Dorsal mesogastrium", "Ventral mesogastrium" ]
C
ANSWER: (C) Dorsal mesogastriumREF: Langman's Medical Embryology 9th edition 293The gastrosplenic ligament (ligamentum gastrosplenicum or gastrolienal ligament) is part of the greater omentum. Embryonically the gastrosplenic ligament is derived from the dorsal mesogastrium. The gastrosplenic ligament is made of periton...
aquarat_38697
aquarat
<ctx> change convention ; move xia fa " 1 " two position right. estimate 3rd digit of shang to be 4. multiply new digit of shang 4 with xia fa 1, combined with fang fa to make 964. subtract successively 4 * 9 = 36, 4 * 6 = 24, 4 * 4 = 16 from the shi, leaving 311 double the last digit 4 of fang fa into 8 and merge with...
[ "A)12 years", "B)19 years", "C)26 years", "D)24 years" ]
D
Explanation: Let the present ages of Sameer and Anand be 5x years and 4x years respectively. Then,5x +3/4X+3=11/9 9(5x + 3) = 11(4x + 3) 45x + 27 = 44x + 33 45x - 44x = 33 - 27 x = 6. Anand's present age = 4x = 24 years. Answer: D
arc_easy_497
arc_easy
<ctx> island ecology is the study of island organisms and their interactions with each other and the environment. islands account for nearly 1 / 6 of earth ’ s total land area, yet the ecology of island ecosystems is vastly different from that of mainland communities. their isolation and high availability of empty nich...
[ "ferns", "grasses", "lichens", "mushrooms" ]
C
medmcqa_8739
medmcqa
<ctx> so taken or made to the commissioner of police for identification and report. a body sample means a sample of blood, a sample of head hair ( including the root ), a swab taken from the person's mouth, or any other type of sample prescribed to be a body sample by the minister for home affairs. body samples may onl...
[ "Section 53", "Section 54", "Section 56", "Section 57" ]
B
Section 54 in The Code Of Criminal Procedure, 1973 54. Examination of arrested person by medical practitioner at the request of the arrested person. When a person who is arrested, whether on a charge or otherwise alleges, at the time when he is produced before a Magistrate or at any time during the period of his detent...
arc_challenge_876
arc_challenge
<ctx> solid is one of the four fundamental states of matter along with liquid, gas, and plasma. the molecules in a solid are closely packed together and contain the least amount of kinetic energy. a solid is characterized by structural rigidity ( as in rigid bodies ) and resistance to a force applied to the surface. un...
[ "Vapor rising in the sky", "Hail during a storm", "Waves crashing on the seashore", "Rain falling from the clouds" ]
B
aquarat_13243
aquarat
<ctx> of these interest and principal payments must equal the cumulative fixed payments at time t i. e. mat. evaluating the first integral on the right we obtain an expression for i ( t ), the interest paid : unsurprisingly the second integral evaluates to p0 − p ( t ) and therefore : the reader may easily verify that ...
[ "A)A)333", "B)B)663", "C)C)402", "D)D)433" ]
B
Here's the calculation for that case, assume monthly payment is X. After 1st month: (1000)(1.3)-X = 1300-X After 2nd month: (1300-X)(1.3)-X = 1690-2.21X After 3rd month: (1690-2.21X)(1.3)-X = 2197-3.31X Now, the amount after the last payment in 3rd month must bring the total to 0. Hence: 2197-3.31X = 0 X = 2197/3.31 = ...
mmlu_aux_8373
mmlu_auxiliary
<ctx> atomic theory by john dalton and others.... chemical elements were later redefined in terms of atomic number ( the number of protons in the nucleus ). " chang claimed his examples of classification practices in chemistry confirmed the fallacy of the traditional assumption that natural kinds exist as mind - indepe...
[ "run", "dive", "swim", "make a sentence" ]
D
null
medmcqa_5968
medmcqa
<ctx> diseases. in addition, the overwhelming majority of disease - causing mutations in mendelian loci can be found within the coding region. with the goal of finding methods to best detect harmful mutations and successfully diagnose patients, researchers are looking to the exome for clues to aid in this process. whol...
[ "Vomiting", "Diarrhoea", "Patient on diuretics", "Chronic renal failure" ]
D
medmcqa_3616
medmcqa
<ctx> 99 – 159. robert k. crane. " digestion and absorption : water - soluble organics ". international review of physiology, gastrointestinal physiology ii, vol. 12, robert k. crane, ed., university park press, 1977, pp. 325 – 365. robert k. crane. " intestinal structure and function related to toxicity ". environment...
[ "Facilitated transport", "Passive transport", "Active transport", "Pinocytosis" ]
C
Ans. C. Active TransportFree amino acids are absorbed across the intestinal mucosa by sodium-dependent active transport. There are several different amino acid transporters, with specificity for the nature of the amino acid side-chain.Transporters of Amino AcidsFor Neutral Amino acidsFor Basic Amino acids and Cysteine....
aquarat_35222
aquarat
<ctx> absolute deviation from the mean completion time. naval research logistics, 47, pp. 657 – 668. g. mosheiov. ( 2001 ). scheduling problems with learning effect. european journal of operational research, 132, pp. 687 – 693. g. mosheiov. ( 2002 ). the complexity of job - shop scheduling with deteriorating jobs. disc...
[ "A)20", "B)19", "C)18", "D)17" ]
A
Ans. 20 days
medmcqa_5460
medmcqa
<ctx> ##ing, in pickling seeds, deodorizing of mineral oils, in leather tanning, and in production of other aluminium compounds. two kinds of alum, ammonium alum and potassium alum, were formerly used as mordants and in leather tanning, but their use has significantly declined following availability of high - purity al...
[ "Plasma expander", "Inotropic agent", "Vasodilator", "Type of dextran" ]
A
It is a blood volume expander used in treatment of hypovolemia; adjunct in leukapheresis to improve harvesting and increase the yield of granulocytes by centrifugation. Mechanism of Action: Produces plasma volume expansion by viue of its highly colloidal starch structure. Onset of action: Volume expansion: I.V.: Approx...
medmcqa_2873
medmcqa
<ctx> tool ( frax ) estimates the probability of hip fracture and the probability of a major osteoporotic fracture ( mof ), which could occur in a bone other than the hip. in addition to bone density ( t - score ), calculation of the frax score involves age, body characteristics, health behaviors, and other medical his...
[ "Hydration with saline", "Calcitonin", "Biphosphonates", "Gallium Nitrate" ]
D
Answer is D (Gallium Nitrate) Gallium Nitrate exes s hypocalcemic effect by inhibiting calcium resorption from bone. Maximum hypocakemic effect of gallium nitrate may take 3-4 days to appear and it is not often used now because of availability of superior alternatives. Gallium nitrate is the single best answer of exclu...
aquarat_30284
aquarat
<ctx> combinatorial participatory budgeting, also called indivisible participatory budgeting or budgeted social choice, is a problem in social choice. there are several candidate projects, each of which has a fixed costs. there is a fixed budget, that cannot cover all these projects. each voter has different preference...
[ "A)165 ways", "B)176 ways", "C)197 ways", "D)160 ways" ]
A
Total number of persons in the committee = 5 + 6 = 11 Number of ways of selecting group of eight persons = ¹¹C₈ = ¹¹C₃ = (11 * 10 * 9)/(3 * 2) = 165 ways. Answer:A
aquarat_12549
aquarat
<ctx> 1976, stating that the tablet does not contain all 231 of the numbers of interest. the article ( corrected ) with a brief addendum appears in selected papers on computer science, csli lecture notes 59, cambridge univ. press, 1996, pp. 185 – 203, but without the appendix that was included in the original paper.......
[ "A)200", "B)400", "C)500", "D)600" ]
C
The 1st digit can be filled up by the numbers: {1,7,8,9} = 4 ways The 2nd digit can be filled up by the numbers: {0,1,7,8,9} = 5 ways The 3rd digit can be filled up by the numbers: {0,1,7,8,9} = 5 ways The 4th digit can be filled up by the numbers: {0,1,7,8,9} = 5 ways The total number of such four-digit numbers is 4*5...
openbookqa_22
openbookqa
<ctx> boiling point condensation in aerosol dynamics deposition earth's atmosphere eddy covariance equation of state evaporative cooler fog frost gas laws gibbs free energy gibbs phase rule greenhouse gas heat capacity heat of vaporization humidity hygrometer ideal gas kinetic theory of gases latent heat latent heat fl...
[ "moistness", "warmth", "heat", "coldness" ]
A
aquarat_31146
aquarat
<ctx> ##vi, another line recently electrified was the line from seinajoki to vaasa in 2011. the next railway line to be electrified is the railway from turku to uusikaupunki, electrification is scheduled to begin in 2019. running speeds the maximum speed for passenger traffic is, but is achieved only on the kerava – la...
[ "A)1.25 sec", "B)2.75 sec", "C)3.5 sec", "D)2.39 sec" ]
A
Speed = 144 * 5/18 = 40 m/sec Time taken = 50/40 = 1.25 sec. Answer: A
medmcqa_5774
medmcqa
<ctx> ##s ) and stick to the vial glass. stabilisers used for vaccines include sugars ( sucrose, lactose ), sorbitol, amino acids ( glycine, monosodium glutamate ) and proteins ( hydrolysed gelatin ). there have very rarely ( one in twomillion vaccinations ) been cases of allergic reaction to the proteins in gelatin. t...
[ "Antitoxin", "Tetracycline", "Erythromycin", "Penicillin" ]
A
aquarat_13308
aquarat
<ctx> mr. jones has two children. the older child is a girl. what is the probability that both children are girls? under the aforementioned assumptions, in this problem, a random family is selected. in this sample space, there are four equally probable events : only two of these possible events meet the criteria specif...
[ "A)2", "B)4", "C)6", "D)8" ]
C
Venn diagrams are useful for multiple values of a single variable e.g. State of mind - happy/sad/neither. When you have two or more variables such as here where you have gender - boy/girl too, it becomes unwieldy. In this case, either use the table or logic. Table method is shown above; here is how you will use logic: ...
arc_challenge_253
arc_challenge
<ctx> has demonstrated to induce a clear positive effect on the plant community's diversity, which allows the switch from urban lawns to urban meadows. due to increased urbanization, the eu biodiversity strategy 2017 decreed that there is a need to protect all ecosystems due to climate change. the majority of the peopl...
[ "The time of day", "Amount of yearly rainfall", "Number of birds nesting", "Seasonal migration of animals" ]
B
medmcqa_5572
medmcqa
<ctx> because of the infusion of lipids into sub - endothelium, the repair has to end up with altered remodeling of local endothelium. this is the manifestation of a misrepair. important is this altered remodeling makes the local endothelium have increased fragility to damage and have reduced repair efficiency. as a co...
[ "3-7 days", "10-20 days", "7-14 days", "1-2 hours" ]
A
3 – 7 days Findings Gross examination at border Softening yellow-tan center Histopathology (light microscopy) Beginning of disintegration of dead muscle fibers Necrosis of neutrophils Beginning of macrophageremoval of dead cells at border
arc_easy_1226
arc_easy
<ctx> in zoology, mammalogy is the study of mammals – a class of vertebrates with characteristics such as homeothermic metabolism, fur, four - chambered hearts, and complex nervous systems. mammalogy has also been known as " mastology, " " theriology, " and " therology. " the archive of number of mammals on earth is co...
[ "eyes that detect color", "glands that make milk", "skin that absorbs oxygen", "bodies that are protected by scales" ]
B
aquarat_12612
aquarat
<ctx> probability of east getting all three of the missing cards is 1 / 2 × 12 / 25 × 11 / 24 which is exactly 0. 11, which is the value that we see in the fourth row of the table ( 3 - 0 : 0. 22 : 2 : 0. 11 ). now, let's calculate the individual probability of a 2 – 2 split when missing four cards ( the following row ...
[ "A)0.2%", "B)2%", "C)5%", "D)20%" ]
C
2= x*40/100 x = 5% Ans; C
medmcqa_4781
medmcqa
<ctx> wide ranges of tasks, compared to the abilities of a human's image analysing capabilities. examples of image analysis techniques in different fields include : 2d and 3d object recognition, image segmentation, motion detection e. g. single particle tracking, video tracking, optical flow, medical scan analysis, 3d ...
[ "Assess the fetal well-being in labour", "Assess the condition of the baby at birth", "Record the events of pregnancy", "Assess the progress of labour" ]
D
Ans: D
aquarat_21686
aquarat
<ctx> plan would provide an interest credit of say 6 % of the prior year's balance in each worker's " hypothetical account " so that the current year's balance would be the sum of the prior year's balance and the current year's pay credit and an interest credit on prior year's balance. for a worker who starts at age 25...
[ "A)$160", "B)$190", "C)$220", "D)$250" ]
D
Let x be the money invested at 3%. 1.03x+1.06(1000-x)=1052.50. 0.03x=1060-1052.50. 0.03x=7.50. 3x=750. x=250. The answer is D.
aquarat_10404
aquarat
<ctx> 10. 2 • validating your model 473 certain resource requirements or that must attain certain goals. using precise and unambiguous language and avoiding any vagueness or generalities helps in accurately stating the assumptions. assumptions should be verifiable statements, meaning they should be capable of being eva...
[ "A)Q=300", "B)Q=400", "C)Q=500", "D)Q=600" ]
C
{Managers} = {Female Managers} + {Male Managers}; We are told that the total number of managers in the company is 2/5 of all the employees , thus{Managers} = 2/5 (M + F), where M and F are number of female and male employees, respectively. Also, we know that 2/5 of all male employees are managers:{Male Managers} = 2/5 ...
pubmedqa_677
pubmedqa
<ctx> jaundice can be caused by a few viruses that the human body can naturally clear, jaundice in the setting of an obstruction is usually caused by a cancer and can result in intolerable itching and a worsening of liver function that can be life - threatening. depending on a patient's condition, this type of obstruct...
[ "yes", "no", "maybe" ]
B
openbookqa_463
openbookqa
<ctx> their cloacae in close proximity while facing in opposite directions and then release eggs and sperm simultaneously. the tailed frog ( ascaphus truei ) exhibits internal fertilisation. the " tail " is only possessed by the male and is an extension of the cloaca and used to inseminate the female. this frog lives i...
[ "relocate to land", "find lungs useless", "make lung soup", "burn air" ]
A
openbookqa_1671
openbookqa
<ctx> ##2 they will choose to travel by plane. 27 % of young people claim they will travel to a faraway destination. more specifically, people under the age of 30 are more likely to consider climate implications of vacation spots and air travel. home energy and landscaping reducing home energy use through measures such...
[ "using more Styrofoam", "buying more stuff", "reusing plastic dishware", "burning more plastic" ]
C
aquarat_18470
aquarat
<ctx> ( pi ( ( 6 * l + 1 ) / ( 6 * k ) ) ) 150 next 160'to get a ( k, n ), multiply c by sqrt ( k / 3 ) 170 u = exp ( mu / k ) 180 r = ( mu + k ) / u :'rademacher's convergence term 190 s + = ( ( mu - k ) * u + r ) * c 200 next 210 s = round ( abs ( s * 2 / ( mu * ( 24 * n - 1 ) ) ) ) 220 print cutspc ( str ( n ) ) ; 2...
[ "A)1/35", "B)3/35", "C)1/21", "D)2/35" ]
C
Answer We have, m x n = 6 x 210 = 1260 ∴ 1/m + 1/n = (m + n)/mn = 60/1260 = 1/21 Correct Option: C
aquarat_14666
aquarat
<ctx> strategy for ( b ) the efficiency can be calculated with since is given and work was found in the first part of this example. solution for ( b ) efficiency is given by :. the work was just found to be, and is given, so the efficiency is 15. 26 15. 27 15. 28 × × 15. 29 15. 30 . 6. at a website development company...
[ "A)20 days", "B)19 days", "C)10 days", "D)12 days" ]
A
1/3 ---- 6 1 -------? A = 18 R = 1/18 * 60/100 = 1/30 1 ----- 1/30--- 2/3 ---- 20 days ANSWER A
arc_easy_1679
arc_easy
<ctx> of an outfielder in baseball to better illustrate the concept of affordance. traditional computational models would claim that an outfielder attempting to catch a fly - ball can be calculated by variables such as the running speed of the outfielder and the arc of the baseball. however, gibson's work shows that a ...
[ "shape", "size", "speed", "weight" ]
C
aquarat_12681
aquarat
<ctx> ##7 6063244163040088180887087028771717321932252992567756075264441680858665410918 431223215368025334985424358839 rsa - 420 rsa - 420 has 420 decimal digits ( 1, 393 bits ), and has not been factored so far. rsa - 420 = 2091366302476510731652556423163330737009653626605245054798522959941292730258 1898373570076188752...
[ "A)10200", "B)10500", "C)10800", "D)11000" ]
C
16 = 2^4 36 = 2^2 * 3^2 40 = 2^3 * 5 54 = 2 * 3^3 LCM = 2^4 * 3^3 * 5 = 2160 The smallest five-digit number that is a multiple of 2160 is 5*2160 = 10,800 The answer is C.
mmlu_aux_4370
mmlu_auxiliary
<ctx> ##ially unstable and that the clouds had a large amount of supercooled water. therefore, seeding the storm outside the eyewall would release more latent heat and cause the eyewall to expand. the expansion of the eyewall would be accompanied with a decrease in the maximum wind speed through conservation of angular...
[ "it is much cheaper than dry ice", "it can be stored at any rooms", "it can be sent into clouds by wind", "it is similar" ]
D
null
openbookqa_1267
openbookqa
<ctx> in biology and ecology, a resource is a substance or object in the environment required by an organism for normal growth, maintenance, and reproduction. resources box can be consumed by one organism and, as a result, become unavailable to another organism. for plants key resources are light, nutrients, water, and...
[ "grains", "air", "space", "sunlight" ]
A
mmlu_aux_3328
mmlu_auxiliary
<ctx> for example, thioflavin t is used in the rt - quic technique to detect transmissible spongiform encephalopathy - causing misfolded prions. oceanography fluorometers are widely used in oceanography to measure chlorophyll concentrations based on chlorophyll fluorescence by phytoplankton cell pigments. chlorophyll f...
[ "Because it floats on the water.", "Because it can have photosynthesis.", "Because it is the first to be polluted.", "Because it can produce different sounds." ]
C
null
aquarat_34184
aquarat
<ctx> of marbles with both colors on them ( that is, the number of marbles that have been drawn twice ) has the hypergeometric distribution. the symmetry in and stems from the fact that the two rounds are independent, and one could have started by drawing balls and colouring them red first. note that we are interested ...
[ "A)1/455", "B)1/439", "C)1/429", "D)1/409" ]
A
Given that there are three blue marbles, four red marbles, six green marbles and two yellow marbles. Probability that all the three marbles picked at random are blue = ³C₃/¹⁵C₃ = (1 * 3 * 2 * 1)/(15 * 14 * 13) = 1/455 Answer:A
medmcqa_4244
medmcqa
<ctx> a part of only one stage or in multiple stages depending on how old they are. formations can also be represented in multiple states depending on how far they reach. geology the cincinnati arch formed from ocean sediments deposited between 488 and 444 million years ago on the north american continent. the geology ...
[ "Right 4th arch", "Right 6th arch", "Left 4th arch", "Left 6th arch" ]
A
Double aoic arch is most common vascular ring, caused by abnormal persistence of the distal segment of the RIGHT of 4th aoic arch. On lateral, arches are posterior to esophagus and anterior to trachea. Symptoms (of tracheal compression or difficulty swallowing) may begin at bih. Aoic arches: Aoic arches are sho vessels...
medmcqa_7363
medmcqa
<ctx> ##aract is caused when crystallins are damaged photochemically, thereby leading to diminished lenticular transparency. he argued that the oxidative stress on the lens induces covalent chemical changes in the constituent molecules and these changes lead to cataract. he researched further on the subject to find out...
[ "Anterior surface", "Posterior surface", "Anterior pole", "At zonular attachment" ]
B
There is no posterior epithelium, as these cells are used up in filling the central cavity of lens vesicle during The epithelium development of the lens.
aquarat_13530
aquarat
<ctx> of solution 49. consider this question : what is the mass of the solute in 0. 500 l of 0. 30 m glucose, c6h12o6, used for intravenous injection? ( a ) outline the steps necessary to answer the question. ( b ) answer the question. 50. consider this question : what is the mass of solute in 200. 0 l of a 1. 556 - m ...
[ "A)1/2", "B)1/3", "C)1/4", "D)1/6" ]
D
Do not need any computation 30%-----------21%---------12% if volume of both sol. were equal the concentration R would be 21%=1/5, but 12% is more than 3 times only possibility is 1/6 D
aquarat_14327
aquarat
<ctx> of these interest and principal payments must equal the cumulative fixed payments at time t i. e. mat. evaluating the first integral on the right we obtain an expression for i ( t ), the interest paid : unsurprisingly the second integral evaluates to p0 − p ( t ) and therefore : the reader may easily verify that ...
[ "A)$508", "B)$698", "C)$398", "D)$549" ]
A
A $508 S.I. for 1 year = $(764 - 700) = $64. S.I. for 3 years = $(64 x 3) = $192. Principal = $(700 - 192) = $508.