Question

How does water get polluted?

• A. Due to the dumping of sewage into rivers or lakes
• B. Due to the dumping of wastes from factories into rivers or lakes
• C. Due to oil spills in the oceans.
• D. None of these

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Due to the dumping of sewage into rivers or lakes

B

Due to the dumping of wastes from factories into rivers or lakes

C

Due to oil spills in the oceans.

Water can be polluted by number of ways:

(i) A major fraction of pesticides and fertilizers that are added to our crops are washed into water bodies, polluting the water.
(ii) Due to the dumping of sewage into rivers or lakes.
(iii) Due to the dumping of wastes from factories into rivers or lakes.
(iv) Due to oil spills in the oceans.