IIT JEE Practice Question and Answer

Q: Who first translated Mahabharata into Tamil? 8875 0

  • 1
    Kamban
    Correct
    Wrong
  • 2
    Bharavi
    Correct
    Wrong
  • 3
    Perundevanar
    Correct
    Wrong
  • 4
    Sundaramurthi
    Correct
    Wrong
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Answer : 3. "Perundevanar"
Explanation :

Answer: C) Perundevanar Explanation:

Q: Merge cells option can be applied from? 21843 0

  • 1
    Format Cells dialog box Alignment Tab
    Correct
    Wrong
  • 2
    Formatting toolbar
    Correct
    Wrong
  • 3
    Both of above
    Correct
    Wrong
  • 4
    None of above
    Correct
    Wrong
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Answer : 1. "Format Cells dialog box Alignment Tab"
Explanation :

Answer: A) Format Cells dialog box Alignment Tab Explanation:

Q: Which of the following is the most stable carbocation? 1979 0

  • 1
    4
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "2"
Explanation :

Answer: C) 2 Explanation: Here the most stable carbocation is the option (2).   Carbocations are always hungry for electrons. The stability of carbocations increases from primary to secondary to tertiary. Here, option (c) shows the most stable carbocation because it can easily withdraw electrons from two other carbon atoms and the more electronegative oxygen atom.   Carbocation stability depends on hyperconjugation. The tertiary carbocation is stabilized by electron releasing inductive effect.

Q: Select the correct statement about lymphocytes. 2072 0

  • 1
    Lymph transport is faster than that occurring in veins
    Correct
    Wrong
  • 2
    Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles
    Correct
    Wrong
  • 3
    Lymph transport is only necessary when illness causes tissue swelling
    Correct
    Wrong
  • 4
    Under normal conditions, lymph vessels are very high-pressure conduits
    Correct
    Wrong
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Answer : 2. "Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles"
Explanation :

Answer: B) Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles Explanation: Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles is the correct statement regarding lymph transport.

Q: What is the probability of an impossible event? 2976 0

  • 1
    0
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    0.1
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 1. "0"
Explanation :

Answer: A) 0 Explanation: The probability of an impossible event is 0. The event is known ahead of time to be not possible, therefore by definition in mathematics, the probability is defined to be 0 which means it can never happen.   The probability of a certain event is 1.

Q: Play is to actor as concert is to 2876 0

  • 1
    Musician
    Correct
    Wrong
  • 2
    percussion
    Correct
    Wrong
  • 3
    symphony
    Correct
    Wrong
  • 4
    piano
    Correct
    Wrong
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Answer : 1. "Musician"
Explanation :

Answer: A) Musician Explanation: An actor performs in a play. A musician performs at a concert. Choices b, c, and d are incorrect because none is people who perform.   Hence, Play is to actor as concert is to Musician.

Q: GNLF stands for 2368 0

  • 1
    Gorkha National Liberation Front
    Correct
    Wrong
  • 2
    Gross National Liberation Form
    Correct
    Wrong
  • 3
    Both option A and B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Gorkha National Liberation Front"
Explanation :

Answer: A) Gorkha National Liberation Front Explanation: GNLF stands for Gorkha National Liberation Front.   Gorkha National Liberation Front (GNLF) is a political party in the Darjeeling District of West Bengal, India. It was formed in 1980 by Subhash Ghisingh with the objective of demanding a Gorkhaland state within India.

Q: A substance that cannot be broken down into simpler substances 1997 0

  • 1
    Heterogenous mixure
    Correct
    Wrong
  • 2
    Compound
    Correct
    Wrong
  • 3
    Homogenous mixture
    Correct
    Wrong
  • 4
    Element
    Correct
    Wrong
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Answer : 4. "Element"
Explanation :

Answer: D) Element Explanation: A substance that cannot be decomposed (broken down) into simpler substances by ordinary chemical means. Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen. Material composed of only one kind of matter throughout (same atoms or same molecules).

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