Science

Pollution of Air and Water

Question:

Clear, transparent water is always fit for drinking. Comment.

Answer:

No. Clear and transparent water is not always fit for drinking. Water might appear clean, but it may contain some disease causing micro-organisms and other dissolved impurities. Hence, it is advised to purify water before drinking. Purification can be done by water purifying systems or by boiling the water.
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Questions and Answers

Pollution of Air and Water

Q 1.

You are a member of the municipal body of your town. Make a list of measures that would help your town to ensure the supply of clean water to all its residents.
Answer

Q 2.

At an individual level, how can you help reduce air pollution?
Answer

Q 3.

What are the different ways in which water gets contaminated?
Answer

Q 4.

Explain the differences between pure air and polluted air.
Answer

Q 5.

Describe the 'Greenhouse Effect in your own words.
Answer

Q 6.

Explain circumstances leading to acid rain. How does acid rain affect us?
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Q 7.

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
Answer

Q 8.

Prepare a brief speech on global warming. You have to deliver the speech in your class.
Answer

Q 9.

Clear, transparent water is always fit for drinking. Comment.
Answer

Q 10.

Describe the threat to the beauty of the Taj Mahal.

Answer