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What is the main source of raw material for the production of plastics?
C. petroleum
[ "clay", "plants", "petroleum", "sand" ]
arc_easy
arc_easy_0001403
Recurrence of hydatiform mole is assessed by:
B. b-HCG level
[ "AFP level", "b-HCG level", "LDH level", "Estrogen level" ]
Ans: (B) b-HCG levelRef : D.C. Dutta 8th ed. 1227Hydatiform moles are abnormal pregnancies characterized histologically by aberrant changes within the placenta. Specifically, the chorionic villi in these placentas show varying degrees of trophoblastic proliferation and edema of the villous stroma.They areof two types: ...
medmcqa
medmcqa_0007892
City A to city B, David drove for 1 hour at 60 mph and for 3 hours at 90 mph. What was the average speed for the whole trip?
A. 82.5
[ "82.5", "57.5", "58.2", "59" ]
The total distance is 1×60+3×90=330 And the total time is 4 hours. Hence, Average Speed=(Total Distance/Total Time)=330/4=82.5 Answer : A
aqua_rat
aqua_rat_0003478
Hazardous waste is material that is toxic, chemically active, corrosive, or what?
C. flammable
[ "decomposed", "inactive", "flammable", "organic" ]
Hazardous waste is material that is toxic, chemically active, corrosive, or flammable.
sciq
sciq_0001582
Four of the following five parts (a), (b), (c), (d) and (e) are exactly equal. The number of the part which is not equal to the other four parts is your answer.
B. 10 × 3 + 120 × 2
[ "30 × 14 ÷ 7 × 5", "10 × 3 + 120 × 2", "5√3600", "450 ÷ 50 × 50 – 5 × 30" ]
Other parts are equal to 300. Answer E
aqua_rat
aqua_rat_0002156
Which process acts as a natural complement for cellular respiration?
C. photosynthesis
[ "glycolysis", "atherosclerosis", "photosynthesis", "absorption" ]
Photosynthesis and cellular respiration are connected through an important relationship. This relationship enables life to survive as we know it. The products of one process are the reactants of the other. Notice that the equation for cellular respiration is the direct opposite of photosynthesis :.
sciq
sciq_0007105
The punnett square shows the possible what, and their most likely ratios?
A. genotypes
[ "genotypes", "phenotypes", "chromosomes", "receptors" ]
If the parents had four offspring, their most likely genotypes would be one BB, two Bb, and one bb. But the genotype ratios of their actual offspring may differ. That's because which gametes happen to unite is a matter of chance, like a coin toss. The Punnett square just shows the possible genotypes and their most like...
sciq
sciq_0004608
Which one of the following phenomenon is not associated with slow wave sleep?
C. Sleep Atonia
[ "Somniloquy", "Somnambulism", "Sleep Atonia", "Sleep enuresis" ]
NREM/Slow wave sleep disorders- Seen in stage 3 and 4. Somnambulism- sleep walking Somniloquy - sleep talking Sleep enuresis Night terror Bruxism (stage 2) Features of REM sleep: Sleep Atonia Dreaming Irregular hea rate
medmcqa
medmcqa_0005138
Intestinal angiodysplasia involves
A. AV malformation
[ "AV malformation", "Cavernous hemangioma", "Cavernous hemangioma", "Malignant tumor" ]
Colonic aeriovenous malformation (AVM) is one of the causes of lower GI bleeding. Unlike small vascular ectasia or angiodysplasia, colonic AVM tends to be solitary, large in size, and identified endoscopically as flat or as an elevated bright red lesion. REFERANCE.MEDSCAP.COM
medmcqa
medmcqa_0000969
Most common cause of nongonococcal septic arthritis is
A. Staph - aureus
[ "Staph - aureus", "H. influenza", "Pseudomonas", "Streptococcus" ]
Ans. is 'a' i.e. Staph aureus m.c cause or septic arthritis isCommonest route of infectionCommonest joint affected-Staph aureus**-Hematogenous* knee*
medmcqa
medmcqa_0009947
What manages the material and energy resources of the cell?
C. metabolism
[ "respiration", "cell wall", "metabolism", "nucleus" ]
sciq
sciq_0003868
If n is a positive integer and n^3 is a multiple of 550, what is the least possible value of n?
D. 110
[ "8", "27", "81", "110" ]
cube of a number entails having 3 copies of the original prime factors. Since 550 is a factor of n^3 the least possible value of n is 5(11)2 = 110 the answer is D.
aqua_rat
aqua_rat_0005572
Seismic waves show that the inner core of the earth is solid while the outer core is what?
D. liquid
[ "silicon", "gas", "lava", "liquid" ]
The dense, iron core forms the center of the Earth. Scientists know that the core is metal from studying metallic meteorites and the Earth’s density. Seismic waves show that the outer core is liquid, while the inner core is solid. Movement within Earth's outer liquid iron core creates Earth’s magnetic field. These conv...
sciq
sciq_0002945
X can finish a work in 20 days. Y can finish the same work in 16 days. Y worked for 12 days and left the job. how many days does X alone need to finish the remaining work?
D. 5
[ "2", "3", "9", "5" ]
Work done by X in 1 day = 1/20 Work done by Y in 1 day = 1/16 Work done by Y in 12 days = 12/16 = 3/4 Remaining work = 1 – 3/4 = 1/4 Number of days in which X can finish the remaining work = (1/4) / (1/20) = 5 D
aqua_rat
aqua_rat_0003293
When animals use energy, they produce A. nitrogen B. iron sulfide C. oxygen D. carbon dioxide Answer:
D. carbon dioxide
[ "" ]
To understand why the correct answer is D. carbon dioxide, let's break down the reasoning step by step. 1. **Energy Use in Animals**: Animals obtain energy primarily through the process of cellular respiration. This process occurs in the cells of the animal's body, where glucose (derived from food) is broken down to p...
mmlu
mmlu_0001366
A train moves past a post and a platform 264 metre long in 8 seconds and 20 seconds respectively. What is the speed of the train?
A. 79.2 km/hr
[ "79.2 km/hr", "69 km/hr", "74 km/hr", "61 km/hr" ]
lenghth and speed of the train x m and v m train crosses the post in 8 sec x=8v---1) train crosses the platform in 20 sec x+264=20v (2)-(1)+>12v=264 v=264/12=22m/s 22 * 18/5 km/hr = 79.2km/hr ANSWER A
aqua_rat
aqua_rat_0004768
What does glycolysis generate in phase ii?
A. atp
[ "atp", "amino acids", "adp", "dna" ]
Steps in Glycolysis The 10 reactions of glycolysis, summarized in Figure 20.16 "Glycolysis", can be divided into two phases. In the first 5 reactions—phase I—glucose is broken down into two molecules of glyceraldehyde 3-phosphate. In the last five reactions—phase II—each glyceraldehyde 3-phosphate is converted into pyr...
sciq
sciq_0010783
The tax on a commodity is diminished by 20% but its consumption is increased by 10%. Find the decrease percent in the revenue derived from it?
D. 12%
[ "20%", "18%", "15%", "12%" ]
Answer: Option D 100 * 100 = 10000 80 * 110 = 8800 10000------- 1200 100 ------- ? = 12%
aqua_rat
aqua_rat_0005914
The respiratory system cannot deliver oxygen to the cells of the body, nor can it remove carbon dioxide, without which two body systems?
D. cardiovascular and muscular
[ "muscular and nervous", "digestive and muscular", "cardiovascular and nervous", "cardiovascular and muscular" ]
arc_challenge
arc_challenge_0000491
Which best explains why some reptiles and amphibians lay an abundance of eggs?
D. It increases the chance of some eggs surviving to hatch.
[ "It increases the population.", "The eggs provide food for predators.", "These animals do not have to stay with their eggs.", "It increases the chance of some eggs surviving to hatch." ]
arc_easy
arc_easy_0001203
Most types of cacti survive the dry conditions of a desert because they hold water in their stems. This is an example of
C. an adaptation.
[ "a niche.", "a species.", "an adaptation.", "an ecosystem." ]
arc_easy
arc_easy_0001434
Sodomy is punishable under:NEET 14
C. Sec. 377 IPC
[ "Sec. 354 IPC", "Sec. 375 IPC", "Sec. 377 IPC", "Sec. 378 IPC" ]
Ans. Sec. 377 IPC
medmcqa
medmcqa_0008846
Cardiac Biomarker of Choice for diagnosis of Re-infarction 8 days after the initial ischemic event is:
B. CK-MB
[ "Troponins", "CK-MB", "Myoglobin", "LDH" ]
Answer is B (CK-MB) CK-MB is the Cardiac Biomarker of Choice for diagnosis of Re-infarction 8 days after the initial ischemic event. The CK-MB level will increase approximately 4-8 hours after a myocardial infarction and return to normal after 72 hours (3 days). This makes it useful for the detection of re-infarction i...
medmcqa
medmcqa_0002045
The HCF of two numbers is 50 and the other two factors of their LCM are 11 and 12. What is the largest number.
B. 600
[ "462", "600", "480", "504" ]
Explanation: HCF of the two numbers = 50 HCF will be always a factor of LCM 50 is factor of LCM other two factors are 11 & 12 Then the numbers are (50* 11) and (50 x 12) = 550 and 600 Answer: Option E
aqua_rat
aqua_rat_0005730
Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 sec. What is the length of the fast train?
D. 27 7/9 m
[ "27 7/8 m", "77 7/9 m", "27 8/9 m", "27 7/9 m" ]
Relative speed = (40 - 20) = 20 km/hr. = 20 * 5/ 18 = 50/9 m/sec. Length of faster train = 50/9 * 5 = 250/9 = 27 7/9 m. Answer: D
aqua_rat
aqua_rat_0007428
What is another name for flatworms such as tapeworms and flukes?
A. platyhelminthes
[ "platyhelminthes", "trematodes", "polychaetes", "epiphytes" ]
Platyhelminthes are flatworms such as tapeworms and flukes.
sciq
sciq_0004377
A group of 4 teenagers while going for a trip met a car accident. Out of four, 3 people died on the spot. Surviving girl was admitted in an ICU for 3 months. After being discharged she often gets up in night and feels terrified. She says that she sees same events in her dreams. She is now afraid of the cars. The diagno...
D. Post traumatic stress disorder
[ "Anxiety disorder", "Phobia", "Conversion disorder", "Post traumatic stress disorder" ]
Ans. is 'd' i.e., Post traumatic stress disorder * Information in this question are:-1. Traumatic event involving death and injury (car accident)2. Re-experience of the event through Nightmares (gets up in night 8c feels terrified)3. Avoidance (afraid to sit in a car again)* Diagnosis is PTSD.Stressors for stress disor...
medmcqa
medmcqa_0005108
The hormone androgen increases aggressiveness and promotes what type of behaviors?
D. sexual
[ "asexual", "nervous", "cognitive", "sexual" ]
sciq
sciq_0010382
What kind of relay occurs between the uterus, hypothalamus, and the posterior pituitary to assure an adequate supply of the hormone oxytocin during childbirth?
C. positive feedback
[ "currents feedback", "pressure feedback", "positive feedback", "affirmative feedback" ]
Labor and Birth Labor is the physical efforts of expulsion of the fetus and the placenta from the uterus during birth (parturition). Toward the end of the third trimester, estrogen causes receptors on the uterine wall to develop and bind the hormone oxytocin. At this time, the baby reorients, facing forward and down wi...
sciq
sciq_0007619