IIT JEE Practice Question and Answer

Q: KYC norms for e-wallets made mandatory from 1646 0

  • 1
    March 31
    Correct
    Wrong
  • 2
    March 1
    Correct
    Wrong
  • 3
    April 1
    Correct
    Wrong
  • 4
    May 1
    Correct
    Wrong
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Answer : 2. "March 1"
Explanation :

Answer: B) March 1 Explanation:

Q: Which phase change is an example of an exothermic process? 1646 0

  • 1
    Liquid to Solid
    Correct
    Wrong
  • 2
    Gas to Solid
    Correct
    Wrong
  • 3
    Gas to Liquid
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Processes that require or give off heat will be limited to changes of state, known as phase changes, and changes in chemical constitution, or chemical reactions. Changes of state involve a solid melting, a liquid freezing, a liquid boiling or a gas condensing.   An exothermic process is one that gives off heat, which is transferred to the surroundings. An endothermic process is a reaction which heat has to be supplied to the system from the surroundings.   Here in all the given options, heat is taken away from them to change there phase.  Liquid to Solid --- Freezing Gas to Liquid --- Condensation Gas to Solid --- Deposition  are all examples of exothermic processes.

Q: The yield to maturity on a discount bond is 1646 0

  • 1
    equal to both the coupon rate / current yeild
    Correct
    Wrong
  • 2
    less than the current yeild but greater than the coupon rate
    Correct
    Wrong
  • 3
    greater than both the coupon rate / current yeild
    Correct
    Wrong
  • 4
    equal to the current yeild but greater than the coupon rate
    Correct
    Wrong
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Answer : 1. "equal to both the coupon rate / current yeild"
Explanation :

Answer: A) equal to both the coupon rate / current yeild Explanation: Yield to maturity is a concept for fixed rate bonds and is the internal rate of return i.e. the rate at which future flows are discounted on a compound basis to give the present value of the bond including accrued interest.

Q: The world's tallest twisted tower is ? 1645 0

  • 1
    Tokyo Sky Tree
    Correct
    Wrong
  • 2
    BREN Tower
    Correct
    Wrong
  • 3
    Burj Khalifa
    Correct
    Wrong
  • 4
    Infinity Tower
    Correct
    Wrong
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Answer : 4. "Infinity Tower"
Explanation :

Answer: D) Infinity Tower Explanation: The world's tallest twisted tower, the Infinity Tower was launched in Dubai Marina on 10 June 2013.

Q: What is the shortest phase of the cell cycle? 1645 0

  • 1
    M
    Correct
    Wrong
  • 2
    G1
    Correct
    Wrong
  • 3
    S
    Correct
    Wrong
  • 4
    G2
    Correct
    Wrong
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Answer : 1. "M"
Explanation :

Answer: A) M Explanation: Longest and shortest phases Of cell cycle: Shortest Phase - M phase or Mitotic phase. Longest phase - G1 phase of the Interphase Longest and shortest phases During Mitosis:Longest Phase - Prophase Shortest Phase - Anaphase

Q: Who has been appointed as the Election Commissioner of India  ? 1644 0

  • 1
    S. Y. Quraishi
    Correct
    Wrong
  • 2
    Sunil Arora
    Correct
    Wrong
  • 3
    H. S. Brahma
    Correct
    Wrong
  • 4
    Nasim Zaidi
    Correct
    Wrong
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Answer : 2. "Sunil Arora"
Explanation :

Answer: B) Sunil Arora Explanation:

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Answer : 4. "Rs. 500"
Explanation :

Answer: D) Rs. 500 Explanation: Watson bought the book for Rs. 240 and sold to Johny at a profit of 50%. S.P = C.P(1 + P%/100) => S.P for Watson = C.P for Johny = 240(1 + 50/100) = 240 x 1.5 = Rs. 360 Let Johny quoted the marked price of the book as Rs. M We know, SP = M.P(1 - Discount(%)/100) Here discount = 10% to Shekar, S.P for Johny = M(1 - 10/100) = 0.9M But Johny want to earn 25% profit, => S.P = C.P(1 + P%/100) => 0.9M = 360(1 + 25/100) => M = (360x1.25)/0.9 => M = Rs. 500 Therefore, Johny should quote Rs. 500 as the marked price of the book to get 25% profit and allowing 10% discount to Shekar.

Q: Vision can be affected by drugs and alcohol making, especially difficult to distinguish 1644 0

  • 1
    Light
    Correct
    Wrong
  • 2
    Colors
    Correct
    Wrong
  • 3
    Distance
    Correct
    Wrong
  • 4
    Shapes
    Correct
    Wrong
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Answer : 2. "Colors"
Explanation :

Answer: B) Colors Explanation: Drinking alcohol can cause many damages to your body. Your vision can be affected as you will face blurred and double vision and even you can't identify colors.

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