Practice Question and Answer

Q:

On which date 'International Tiger Day' is celebrated every year?

654 1

  • 1
    25th July
    Correct
    Wrong
  • 2
    July 27
    Correct
    Wrong
  • 3
    29th July
    Correct
    Wrong
  • 4
    30th July
    Correct
    Wrong
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Answer : 3. "29th July"
Explanation :

1. International Tiger Day is celebrated every year on 29 July.

2. This day is also called Global Tiger Day.

3. This day is celebrated every year to raise awareness about tiger conservation.

Q:

When is "International Tiger Day" celebrated every year?

508 0

  • 1
    30 July
    Correct
    Wrong
  • 2
    31 July
    Correct
    Wrong
  • 3
    29 July
    Correct
    Wrong
  • 4
    15 July
    Correct
    Wrong
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Answer : 3. "29 July"
Explanation :

1. International Tiger Day is celebrated every year on 29 July.

2. This day is also called Global Tiger Day.

3. This day is celebrated every year to raise awareness about tiger conservation.

Q:

Below are a few statements given about afforestation.
 A. Afforestation could prevent flooding.
 B. Afforestation can balance our ecosystem.
 Which of the above statements is/are correct?

499 0

  • 1
    Both A & B are incorrect
    Correct
    Wrong
  • 2
    Only B
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    Only A
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

The following statements below are correct about afforestation.

A. Afforestation could prevent flooding.

B. Afforestation can balance our ecosystem.

Q:

Plants release water into the air by the process of ______.

483 0

  • 1
    photoperiodism
    Correct
    Wrong
  • 2
    transpiration
    Correct
    Wrong
  • 3
    photosynthesis
    Correct
    Wrong
  • 4
    tropism
    Correct
    Wrong
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Answer : 2. "transpiration"
Explanation :

1. Plants release water into the air through a process called transpiration.

2. Transpiration is a natural process, by which plants expel water from their bodies in the form of vapor.

3. The process of transpiration takes place through small holes in the leaves, which are called stomata.

3. Transpiration is essential for plants, as it helps keep plants cool and transport nutrients from the roots to the leaves needed to make food.

Q:

______ includes all non-living components, such as air, cloud, dust, land, mountains, rivers, temperature, humidity, water, water vapour, sand, etc.

679 0

  • 1
    Biotic environment
    Correct
    Wrong
  • 2
    Abiotic environment
    Correct
    Wrong
  • 3
    Artificial environment
    Correct
    Wrong
  • 4
    Healthy environment
    Correct
    Wrong
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Answer : 2. "Abiotic environment"
Explanation :

Abiotic components are non-living factors in the environment which affect ecosystems like temperature, light, air, soil etc.

Q:

Which of the following is considered to be the purest form of natural water (distilled water) free from impurities? 

524 0

  • 1
    Well water
    Correct
    Wrong
  • 2
    Spring water
    Correct
    Wrong
  • 3
    River water
    Correct
    Wrong
  • 4
    Rain water
    Correct
    Wrong
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Answer : 2. "Spring water "
Explanation :

Rainwater is the purest form of natural water. It is formed naturally by evaporation followed by condensation of water vapour.

Q:

Which of the following is an example of an artificial ecosystem?

551 0

  • 1
    crop field
    Correct
    Wrong
  • 2
    Forest
    Correct
    Wrong
  • 3
    Lake
    Correct
    Wrong
  • 4
    Pond
    Correct
    Wrong
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Answer : 1. "crop field"
Explanation :

The crop field is an artificial ecosystem. 

Q:

 Which of the following environmental problems is called as 'Creeping Death'?

1208 0

  • 1
    Soil erosion
    Correct
    Wrong
  • 2
    Deforestation
    Correct
    Wrong
  • 3
    Population growth
    Correct
    Wrong
  • 4
    Water pollution
    Correct
    Wrong
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Answer : 1. "Soil erosion"
Explanation :

Soil erosion which is also called the 'creeping death of the soil' is a global problem (Tripathi and Singh, 1993). India is facing soil erosion problems in sectors such as reservoir siltation, soil-degradation and in agricultural sectors mainly.

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