MEDIUM
Earn 100

The Taj Mahal is a white marble monument located in Agra. Mathura Oil Refinery is located about 50 kilometres away from Taj Mahal. Now, the white marble of Taj Mahal has got corroded and become yellow. What can be the cause of this? Suggest one method to control corrosion of our monuments.
 

Important Questions on Our Basic Needs

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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Which of the following is not a pollutant?
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Houses should be built away from factories. Do you agree? Give reasons.
EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
This is not present in the air.
EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us

Name the following.

Three gases found in the atmosphere.

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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Fill in the blank using an appropriate word:
Air contains water in the form of _____. (water vapour/liquid)
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
We need to breathe fresh, clean air to live a _____ life.
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Name some gases present in the air.
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
What all does air contain?    
HARD
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Would you like to live in a forest since there is no pollution there?
EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Air has _____.
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
How does air become polluted?
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Which of these can make air polluted?
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
 How is air pollution caused?
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us
The amount of water vapour present in the air is very high on a rainy day.
EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Which of these causes pollution?
EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Air with lots of dust, smoke or harmful gases is bad for us.
MEDIUM
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Which gas is present in the largest amount in the air?
EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
What does air contain? 
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Environmental Studies>My Special World>Our Basic Needs>Air Around Us

Rearrange the word given in the bracket to fill in the blank.

The process of changing ice into water is called _____ (IEMLTNG).

EASY
Environmental Studies>My Special World>Our Basic Needs>Air Around Us
Why are polluted water and air harmful?