Question

Identify the method that helps to prevent water pollution.

• A. Use of biodegradable fertilizers and pesticides
• B. Release of untreated industrial waste
• C. Wastage of water due to leaking taps at home
• D. Encourage the use of synthetic detergents

Answer 1

The correct option is A

Use of biodegradable fertilizers and pesticides

Explanation for the correct option:
(A) Use of biodegradable fertilizers and pesticides

• The use of biodegradable fertilizers and pesticides should be encouraged in order to avoid an accumulation of harmful chemicals in the soil and water.
• Biodegradable fertilizers and pesticides: Biodegradable fertilizers and pesticides are readily decomposed by microbes.
• Moreover, these fertilizers and pesticides contain thatch which prevents the runoff of water.
• By preventing the runoff, the level of the water table can be maintained which helps in the conservation of water.

Explanation for the incorrect options:
(B) Release of untreated industrial waste

• Industrial waste released into water bodies contains toxic compounds and gases which cause health complications in living organisms and harm aquatic plants and animals.

(C) Wastage of water due to leaking taps at home

• Leaking taps are one of the main causes of water wastage at home.
• To conserve water fix the leaking taps and pipes.

(D) Encourage the use of synthetic detergents

• Synthetic detergents are cleansing agents which have all the properties of soaps but actually do not contain any soap.
• Synthetic detergents are generally non-biodegradable, that is, they are not decomposed by microorganisms like bacteria.
• Hence, the use of synthetic detergents causes water pollution in lakes and rivers.

Hence, option(A) is correct.