GATE Practice Question and Answer

Q: Which of the following describes the process of glycolysis? 2179 0

  • 1
    It represents the first stage in the chemical oxidation of glucose by a cell.
    Correct
    Wrong
  • 2
    Breakdown of Glucose
    Correct
    Wrong
  • 3
    Converts Glucose to Pyruvate
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Glycolysis is the chemical process that converts glucose C₆H₁₂O₆, into Pyruvate, CH₃COCOO− + H⁺.   It represents the first stage in the chemical oxidation of glucose by a cell. The free energy released in this process is used to form the high-energy molecules ATP and NADH.

Q: Fuse Wire is Made of? 1903 0

  • 1
    an alloy of Tin and Lead
    Correct
    Wrong
  • 2
    Nickel
    Correct
    Wrong
  • 3
    Copper
    Correct
    Wrong
  • 4
    an alloy of Nickel and Lead
    Correct
    Wrong
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Answer : 1. "an alloy of Tin and Lead"
Explanation :

Answer: A) an alloy of Tin and Lead Explanation: Fuse Wire is Made of an alloy of Tin and Lead.   If too high a current flows, the element rises to a higher temperature and either directly melts, or else melts a soldered joint within the fuse, opening the circuit. Thefuse element is made of an alloy of Tin and Lead to provide stable and predictable characteristics.

Q: What it goes up but never comes down? 1287 0

  • 1
    Umbrella
    Correct
    Wrong
  • 2
    Hot air balloon
    Correct
    Wrong
  • 3
    Age
    Correct
    Wrong
  • 4
    Rocket
    Correct
    Wrong
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Answer : 3. "Age"
Explanation :

Answer: C) Age Explanation: Yeah, its your AGE which always goes up but sadly never comes down.

Q: What is the Study of human beauty called? 7815 0

  • 1
    Argology
    Correct
    Wrong
  • 2
    Kalology
    Correct
    Wrong
  • 3
    Agrostology
    Correct
    Wrong
  • 4
    Oncology
    Correct
    Wrong
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Answer : 2. "Kalology"
Explanation :

Answer: B) Kalology Explanation: The Study of human beauty and the ways in which beauty influences the society is called as Kalology.   This study is focused primarily on human attractiveness, rather than the broader field of aesthetics.   Opposite of beauty is Ugly.

Q: In the given number series which follows the definite rules then find out the value of (M, N, O, and P) in second number series. 7  18  42  94  204 4   M   N    O     P What value will come in place of P? 1148 0

  • 1
    179
    Correct
    Wrong
  • 2
    184
    Correct
    Wrong
  • 3
    164
    Correct
    Wrong
  • 4
    156
    Correct
    Wrong
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Answer : 4. "156"
Explanation :

Answer: D) 156 Explanation: Here the given series 7  18  42  94  204 follows a pattern that,  7 7 ×2+4 = 18 18 ×2+6 = 42 42 ×2+10 = 94 94 ×2+16 = 204 Similarly, 4 4 ×2+4 = 12 12 ×2+6 = 30 30 ×2+10 = 70 70 ×2+16 = 156 Hence, the value of P = 156.

Q: Find the compound interest on Rs. 2680 at 8% per annum for 2 years ? 1462 0

  • 1
    Rs. 664.21
    Correct
    Wrong
  • 2
    Rs. 548.68
    Correct
    Wrong
  • 3
    Rs. 445.95
    Correct
    Wrong
  • 4
    Rs. 692.57
    Correct
    Wrong
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Answer : 3. "Rs. 445.95"
Explanation :

Answer: C) Rs. 445.95 Explanation: We know Compound Interest = C.I. = P1+r100t - 1 Here P = 2680, r = 8 and t = 2 C.I. = 26801 + 81002-1= 268027252-12= 26802725+12725-1= 2680 5225×225 = (2680 x 52 x 2)/625 = 445.95   Compound Interest = Rs. 445.95

Q: How much does a gallon of water weigh? 1695 0

  • 1
    2.741 kgs
    Correct
    Wrong
  • 2
    2.956 kgs
    Correct
    Wrong
  • 3
    3.418 kgs
    Correct
    Wrong
  • 4
    3.785 kgs
    Correct
    Wrong
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Answer : 4. "3.785 kgs"
Explanation :

Answer: D) 3.785 kgs Explanation: 1 Gallon = 3.785 kgs Gallon is a unit of measurement of liquid. We know that 1 gallon = 3.785 liters But we know that, 1 cubic meter = 1000 lit or 1000 kgs => 1 lit = 1 kg Hence,  1 gallon = 3.785 lit = 3.785 kgs.

Q: 16 of 225 is = 1448 0

  • 1
    7.11
    Correct
    Wrong
  • 2
    7.21
    Correct
    Wrong
  • 3
    6.87
    Correct
    Wrong
  • 4
    7.58
    Correct
    Wrong
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Answer : 1. "7.11"
Explanation :

Answer: A) 7.11 Explanation: 16 of 225 is =  16 = p × 225100p = 1600225 = 7.1111

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