Basic Science Practice Question and Answer

Q:

Basic scientific principle behind a nuclear reactor is

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    Nuclear fusion
    Correct
    Wrong
  • 2
    Controlled nuclear fusion
    Correct
    Wrong
  • 3
    Uncontrolled nuclear fission
    Correct
    Wrong
  • 4
    Controlled nuclear fission
    Correct
    Wrong
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Answer : 4. "Controlled nuclear fission"

Q:

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

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    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:

The food substances which get oxidised easily can be kept for longer duration by adding

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  • 1
    oxygen and keeping them in sun for few days
    Correct
    Wrong
  • 2
    nitrogen and keeping them in sun for few days
    Correct
    Wrong
  • 3
    oxygen and keeping them in airtight containers
    Correct
    Wrong
  • 4
    nitrogen and keeping them in airtight containers
    Correct
    Wrong
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Answer : 4. "nitrogen and keeping them in airtight containers"

Q:

Which of the following nutrients do NOT provide energy for animals?

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  • 1
    Fats
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
  • 3
    Vitamins
    Correct
    Wrong
  • 4
    Proteins
    Correct
    Wrong
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Answer : 3. "Vitamins "
Explanation :

Vitamins do not provide energy as they are not stored in our bodies.

Q:

Iron pipes, from which water is supplied, are coated with zinc (Zn) to prevent rusting. This layering process is called?

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  • 1
    Annealing
    Correct
    Wrong
  • 2
    Vulcanization
    Correct
    Wrong
  • 3
    Yashad coating
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Yashad coating"

Q:

Plants tissues are of how many types?

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  • 1
    3
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "3"

Q:

Is the plaster of Paris obtained?

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  • 1
    sodium bicarbonate
    Correct
    Wrong
  • 2
    Gypsum
    Correct
    Wrong
  • 3
    Urea
    Correct
    Wrong
  • 4
    Carbon
    Correct
    Wrong
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Answer : 2. "Gypsum"

Q:

What species are found abundantly in ecotone, what is called?

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  • 1
    Edge species
    Correct
    Wrong
  • 2
    Keystone species
    Correct
    Wrong
  • 3
    Endemic species
    Correct
    Wrong
  • 4
    Foster species
    Correct
    Wrong
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Answer : 1. "Edge species"

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