IIT JEE Practice Question and Answer

Q: The Simon commission visited India in the year? 1773 0

  • 1
    1933
    Correct
    Wrong
  • 2
    1939
    Correct
    Wrong
  • 3
    1921
    Correct
    Wrong
  • 4
    1927
    Correct
    Wrong
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Answer : 4. "1927"
Explanation :

Answer: D) 1927 Explanation: The British government appointed a commission under the chairmanship of Sir John Simon to report on India's constitutional progress for introducing constitutional reforms as had been promised in 1927.

Q: What is the value of 62 tens? 1773 0

  • 1
    6
    Correct
    Wrong
  • 2
    620
    Correct
    Wrong
  • 3
    62
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 2. "620"
Explanation :

Answer: B) 620 Explanation: Here in the question it is asked that 62 tens, which implies ten times of 62. => 62 x 10 = 620.   Hence, the value of 62 tens = 620.

Q: Unlike Mitosis, Meiosis results in the formation of 1773 0

  • 1
    2N daughter cells
    Correct
    Wrong
  • 2
    Haploid cells
    Correct
    Wrong
  • 3
    body cells
    Correct
    Wrong
  • 4
    Diploid cells
    Correct
    Wrong
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Answer : 2. "Haploid cells"
Explanation :

Answer: B) Haploid cells Explanation: Unlike Mitosis, Meiosis results in the formation of 4 Genetically different cells.   Meiosis results in the formation of 4 Haploid daughter cells from one Diploid parent cell.

Q: What occurs once in a minute twice in a moment? 1773 0

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Answer :
Explanation :

Here the letter 'M' appears once in Minute and twice in a MoMent.

Q: Organisms need Nutrients in order to 1773 0

  • 1
    Breaking down food
    Correct
    Wrong
  • 2
    Utilize chemical compounds
    Correct
    Wrong
  • 3
    recycling
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Breaking down food"
Explanation :

Answer: A) Breaking down food Explanation: Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions. Important nutrients are Hydrogen, Carbon and Oxygen.   Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium.

Q: Which unit of valuation is known as paper gold? 1772 0

  • 1
    SDR
    Correct
    Wrong
  • 2
    Eurodollar
    Correct
    Wrong
  • 3
    GDR
    Correct
    Wrong
  • 4
    Petrodollar
    Correct
    Wrong
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Answer : 1. "SDR"
Explanation :

Answer: A) SDR Explanation: SDR means Special Drawing Rights.   SDRs are a measure of a country's reserve assets with IMF and, whereas not 'money' in the strict sense, have several characteristics of money as interest-bearing assets, store of value, and means of settling indebtedness.   International financing instrument created in 1970 by the International Monetary Fund (IMF) to coincide with the disfavor of the US dollar as the principal currency of the world trade. Also called paper gold, an SDR is neither paper nor gold but an accounting entry. It is not backed by any currency or precious metal and is used only among governments and IMF for balance Of payments settlements.

Q: The probability that a number selected at random from the first 100 natural numbers is a composite number is  ? 1771 0

  • 1
    3/2
    Correct
    Wrong
  • 2
    2/3
    Correct
    Wrong
  • 3
    1/2
    Correct
    Wrong
  • 4
    34/7
    Correct
    Wrong
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Answer : 1. "3/2"
Explanation :

Answer: A) 3/2 Explanation: The number of exhaustive events = 100 C₁ = 100. We have 25 primes from 1 to 100. Number of favourable cases are 75. Required probability = 75/50 = 3/2.

Q: Which planet has the lowest density? 1771 0

  • 1
    Earth
    Correct
    Wrong
  • 2
    Jupiter
    Correct
    Wrong
  • 3
    Saturn
    Correct
    Wrong
  • 4
    Neptune
    Correct
    Wrong
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Answer : 3. "Saturn"
Explanation :

Answer: C) Saturn Explanation: Saturn, the solar system's second largest planet that takes the prize for least dense. It's less dense than water, which has led many people to postulate that it would float. However, even if it somehow found its way to a body of water large and deep enough to contain it, Saturn would break apart and its rocky core would sink.

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