Basic Science Practice Question and Answer

Q:

What is the scientific name for common salt?

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  • 1
    sodium sulfate
    Correct
    Wrong
  • 2
    sodium chloride
    Correct
    Wrong
  • 3
    sodium bicarbonate
    Correct
    Wrong
  • 4
    Ammonium chloride
    Correct
    Wrong
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Answer : 4. "Ammonium chloride"

Q:

Dry ice is solid.

978 0

  • 1
    Carbon monoxide
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Sulfur dioxide
    Correct
    Wrong
  • 4
    Hydrogen peroxide
    Correct
    Wrong
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Answer : 2. "Carbon dioxide"

Q:

By whom is the focus distance corrected in the eye lens?

883 0

  • 1
    Ratina
    Correct
    Wrong
  • 2
    iris
    Correct
    Wrong
  • 3
    ciliary muscles
    Correct
    Wrong
  • 4
    Carnia
    Correct
    Wrong
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Answer : 3. "ciliary muscles"

Q:

When we go upstairs in the atmosphere?

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  • 1
    heat is low and pressure increases
    Correct
    Wrong
  • 2
    temperature increases and pressure decreases
    Correct
    Wrong
  • 3
    Both temperature and pressure increase
    Correct
    Wrong
  • 4
    Both temperature and pressure decrease
    Correct
    Wrong
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Answer : 4. "Both temperature and pressure decrease"

Q:

Why put a wooden handle in the kettle?

1879 0

  • 1
    because of fashion
    Correct
    Wrong
  • 2
    Wood is a bad conductor of heat and the handle is not hot
    Correct
    Wrong
  • 3
    is light
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Wood is a bad conductor of heat and the handle is not hot"

Q:

Why do you like to paint the house white in summer?

1075 0

  • 1
    the eye looks good
    Correct
    Wrong
  • 2
    are bad conductors of heat
    Correct
    Wrong
  • 3
    Heat has good reflectors
    Correct
    Wrong
  • 4
    are conductors of heat
    Correct
    Wrong
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Answer : 3. "Heat has good reflectors"

Q:

Which metal is the best conductor of heat?

826 0

  • 1
    Gold
    Correct
    Wrong
  • 2
    Aluminum
    Correct
    Wrong
  • 3
    Silver
    Correct
    Wrong
  • 4
    Brass
    Correct
    Wrong
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Answer : 3. "Silver"

Q:

Cat is more visible at night?

1224 0

  • 1
    By nature
    Correct
    Wrong
  • 2
    Due to the special texture of the pupil
    Correct
    Wrong
  • 3
    daytime sleep
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Due to the special texture of the pupil"

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