Question

Choose the correct answer from the four options given below.

An example of non-biodegradable waste is :

• A. Vegetable peels
• B. Sewage
• C. Livestock waste
• D. DDT

Answer 1

The correct option is D

DDT

The correct option is D

Explanation of the correct option :

1. DDT is dichloro diphenyl chloromethane.
2. It is a tasteless, odorless, and colorless organochlorine crystal.
3. It is a non-biodegradable substance because it cannot be degraded or decomposed by any microorganisms and causes harmful effects on the environment.

Explanation of the incorrect option:

Option A:

Vegetable peels can easily get decomposed by microorganisms to form manure or compost which acts as a good fertilizer.

Option B:

1. Sewage is basically organic waste matter that comes from homes, and factories such as feces, dirty water, debris, and many harmful microorganisms.
2. Hence, the waste can easily get decomposed by microorganisms.
3. Therefore, it is biodegradable waste.

Option C:

1. Livestock waste is the organic waste from livestock animals such as cattle, sheep, pigs, farm animals, etc.
2. It consists of a high level of biodegradable organic matter and is hence biodegradable waste.

Final answer: DDT is a non-biodegradable waste.