GATE Practice Question and Answer

Q: Which of the following is not a function of cytoskeleton in a cell ? 2476 0

  • 1
    Maintenance of cell shape and structure
    Correct
    Wrong
  • 2
    Intracellular transport
    Correct
    Wrong
  • 3
    Cell motility
    Correct
    Wrong
  • 4
    Support of the organelle
    Correct
    Wrong
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Answer : 2. "Intracellular transport"
Explanation :

Answer: B) Intracellular transport Explanation: A cytoskeleton is the frame that gives shape to a cell. And also it offers support, and facilitates movement through three main components: microfilaments, intermediate filaments, and microtubules.   The cytoskeleton helps the cell move in its environment and controls the movement of all of the cell's interior workings.

Q: Sonika invested an amount of Rs.5800 for 2 years. At what rate of compound interest will she get an amount of Rs.594.50 at the end of 2 years ? 2475 0

  • 1
    6.5%
    Correct
    Wrong
  • 2
    6%
    Correct
    Wrong
  • 3
    5%
    Correct
    Wrong
  • 4
    4.5%
    Correct
    Wrong
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Answer : 3. "5%"
Explanation :

Answer: C) 5% Explanation: C.I = P1+r100t-1   594.5 = 58001+r1002-1  594.55800+1=1+r1002   r100=1.05-1=0.05=> r = 5 % .

Q: Who has the best overall health? 2474 0

  • 1
    a person who exercises regularly and is not overweight
    Correct
    Wrong
  • 2
    a person who is not ill and is physically active
    Correct
    Wrong
  • 3
    a person who lives longer than his or her grandparents
    Correct
    Wrong
  • 4
    a person who balances social, physical, and mental health
    Correct
    Wrong
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Answer : 4. "a person who balances social, physical, and mental health"
Explanation :

Answer: D) a person who balances social, physical, and mental health Explanation: A person who balances all the three healths such as Physical, mental and Social healths has the best overall health.

Q: The capacity of a tank is 2400 m3.  A pump can be used both for filling and emptying the tank.  The emptying capacity of the pump is 10 m3/minute higher than its filling capacity. And also, the pump needs 8 minutes less to empty the tank than to fill it. Find the filling capacity of the pump. 2470 0

  • 1
    46 cub.m/min
    Correct
    Wrong
  • 2
    44 cub.m/min
    Correct
    Wrong
  • 3
    48 cub.m/min
    Correct
    Wrong
  • 4
    50 cub.m/min
    Correct
    Wrong
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Answer : 4. "50 cub.m/min"
Explanation :

Answer: D) 50 cub.m/min Explanation: Let filling capacity of the pump be 'F' m3/min Then, the filling capacity of the pump will be (F + 10) m3/min From the given data, 2400F - 2400F+10= 8⇒ 2400 F+10-FF(F+10) =8⇒ F2 + 10F - 3000 = 0⇒ F = 50 m3/min

Q: Two pipes A and B can fill a tank in 16 hrs and 12 hrs respectively. The capacity of the tank is 240 liters. Both the pipes are opened simultaneously and closed after 2 hrs. How much more water need to fill the tank? 2466 0

  • 1
    70 lit
    Correct
    Wrong
  • 2
    170 lit
    Correct
    Wrong
  • 3
    90 lit
    Correct
    Wrong
  • 4
    190 lit
    Correct
    Wrong
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Answer : 2. "170 lit"
Explanation :

Answer: B) 170 lit Explanation: Given A alone can fill the tank of capacity 240 lit in 16 hrs. => A can fill in 1 hr = 240/16 = 15 lit => B alone can fill the tank of capacity 240 lit in 12 hrs. => B can fill in 1 hr = 240/12 = 20 lit Now, (A + B) in 1 hr = 15 + 20 = 35 lit But they are opened for 2 hrs => 2 x 35 = 70 lit rae filled Remaining water to be filled in tank of 240 lit = 240 - 70 = 170 lit.

Q: There are 600 Kabaddi players 4% wear knee band on one leg. Of the remaining, 25% wear knee bands on both legs. How many players don't wear a knee band ? 2466 0

  • 1
    426
    Correct
    Wrong
  • 2
    428
    Correct
    Wrong
  • 3
    415
    Correct
    Wrong
  • 4
    432
    Correct
    Wrong
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Answer : 4. "432"
Explanation :

Answer: D) 432 Explanation: There are 600 Kabaddi players4% wear knee band on one legRemaining players = 600 x 0.96 = 576Of the remaining, 25% wear knee bands on both leg and Of the remaining, 75% do not wear knee bands .So players not wearing knee bands = 0.75 x 576 = 576 x 3/4 = 144 x 3 = 432.

Q: Rajeev's age after 15 years will be 5 times his age 5 years back. What is the present age of rajeev? 2461 0

  • 1
    12
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    22
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 4. "10"
Explanation :

Answer: D) 10 Explanation: Let Rajeev's present age be  x years. Rajeev's age after 15 years = (x + 15) years. Rajeev's age 5 years back = (x - 5) years Then ATQ,  x + 15 = 5 (x - 5) x + 15 = 5x - 25 => x = 10   Hence, Rajeev's present age = x = 10 years.

Q: Find the Missing number in the given number series? 5, 9, 15, 23, ?, 45 2460 0

  • 1
    33
    Correct
    Wrong
  • 2
    29
    Correct
    Wrong
  • 3
    31
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
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Answer : 1. "33"
Explanation :

Answer: A) 33 Explanation: The given series follows a pattern that, +4, +6, +8, +10, +12... 5 5 + 4 = 9 9 + 6 = 15 15 + 8 = 23 23 + 10 = 33 33 + 12 = 45   Hence, the missing number in the series is 33.

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