Basic Science Practice Question and Answer

Q:

Curd contains mainly______acid.

1256 0

  • 1
    Benzoic
    Correct
    Wrong
  • 2
    Fumaric
    Correct
    Wrong
  • 3
    Lactic
    Correct
    Wrong
  • 4
    Malic
    Correct
    Wrong
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Answer : 3. "Lactic"

Q:

In the nitrogen cycle, soil nitrates are converted into free nitrogen by whom?

1092 0

  • 1
    nitrifying bacteria
    Correct
    Wrong
  • 2
    denitrifying bacteria
    Correct
    Wrong
  • 3
    ammonifying bacteria
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "denitrifying bacteria"

Q: The man who is specialist in wine making is called as ? 3900 3

  • 1
    Wenologist
    Correct
    Wrong
  • 2
    Grapologist
    Correct
    Wrong
  • 3
    Oenologist
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Oenologist"
Explanation :

Answer: C) Oenologist Explanation: Oenology is the science and study of wine and winemaking. So person who is specialist in that is called as Oenologist.

Q:

Which of the gas is not known as green house gas?

1503 0

  • 1
    Methane
    Correct
    Wrong
  • 2
    Hydrogen
    Correct
    Wrong
  • 3
    Nitrous oxide
    Correct
    Wrong
  • 4
    Carbon dioxide
    Correct
    Wrong
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Answer : 2. "Hydrogen"

Q:

In the following that is not related to gases low.

701 0

  • 1
    Boyle’s law
    Correct
    Wrong
  • 2
    Avogadro’s law
    Correct
    Wrong
  • 3
    Joule’s law
    Correct
    Wrong
  • 4
    Charles’s law
    Correct
    Wrong
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Answer : 3. "Joule’s law "

Q:

Tungsten resistance to temperature rise?

1518 0

  • 1
    decreases
    Correct
    Wrong
  • 2
    increases
    Correct
    Wrong
  • 3
    there is no change
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
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Answer : 2. "increases"

Q:

Which of the following has a very strong aroma of the fruit?

5062 0

  • 1
    Ethyl acetate
    Correct
    Wrong
  • 2
    Methanol
    Correct
    Wrong
  • 3
    Methyl chloride
    Correct
    Wrong
  • 4
    Methanoic acid
    Correct
    Wrong
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Answer : 1. "Ethyl acetate"

Q:

Who was the first Indian astronaut-

653 0

  • 1
    Rakesh Sharma
    Correct
    Wrong
  • 2
    Yuri Gagarin
    Correct
    Wrong
  • 3
    Kalpana Chawla
    Correct
    Wrong
  • 4
    Sunita Williams
    Correct
    Wrong
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Answer : 1. "Rakesh Sharma"

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