Basic Science Practice Question and Answer

Q:

In the following that is not related to gases low.

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

Q:

The reason for permanent hardness of water is-

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  • 1
    Carbonates of calcium and magnesium
    Correct
    Wrong
  • 2
    Bicarbonates of calcium and magnesium
    Correct
    Wrong
  • 3
    Chloride and sulfate of calcium and magnesium
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Chloride and sulfate of calcium and magnesium"

Q:

 Renewable source of energy is

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  • 1
    Coal
    Correct
    Wrong
  • 2
    Petroleum
    Correct
    Wrong
  • 3
    Plants
    Correct
    Wrong
  • 4
    Uranium
    Correct
    Wrong
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Answer : 3. "Plants"

Q:

Measurement of calories is unit?

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  • 1
    heat
    Correct
    Wrong
  • 2
    solid
    Correct
    Wrong
  • 3
    liquid
    Correct
    Wrong
  • 4
    Sound
    Correct
    Wrong
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Answer : 1. "heat"

Q:

Where the Bio-chemical compounds are used? 

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  • 1
    Food preservatives
    Correct
    Wrong
  • 2
    Skin Treatments
    Correct
    Wrong
  • 3
    Cooking Oils
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above "

Q:

____________are known as the ‘suicide bags’ of the cell.

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  • 1
    Vacuoles
    Correct
    Wrong
  • 2
    Mitochondria
    Correct
    Wrong
  • 3
    Ribosomes
    Correct
    Wrong
  • 4
    Lysosomes
    Correct
    Wrong
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Answer : 4. "Lysosomes"

Q:

World Environmental Day is celebrated every year on:

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  • 1
    5 May
    Correct
    Wrong
  • 2
    5 June
    Correct
    Wrong
  • 3
    5 July
    Correct
    Wrong
  • 4
    18 July
    Correct
    Wrong
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Answer : 2. "5 June"
Explanation :

World Environment Day is celebrated on June 5 every year to remind people to save nature and the earth by stopping their non-environmentally friendly activities. Let's know more about this day, its history, significance, and theme.

Q:

It is dangerous to have carbon monoxide in the atmosphere because

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  • 1
    Decreases the organic matter of tissues.
    Correct
    Wrong
  • 2
    Oxygen present in the body makes carbon dioxide.
    Correct
    Wrong
  • 3
    Dry the blood.
    Correct
    Wrong
  • 4
    Combining hemoglobin makes it unfit for oxygen absorption.
    Correct
    Wrong
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Answer : 4. "Combining hemoglobin makes it unfit for oxygen absorption."

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