Question

Which of the following is biodegradable pollutant?

• A. Domestic waste
• B. DDT
• C. Mercury salts
• D. Aluminum foil

Answer 1

The correct option is A

Domestic waste

The explanation for correct option:

A. Domestic waste

Biodegradable pollutants:

• Biodegradable pollutants are categorized as pollutants that can be easily decomposable by natural processes/agents such as microorganisms, rains, etc.
• The pollutants that are considered biodegradable pollutants can be human waste, domestic waste, peels of fruits and vegetables and products of plants, and many more.

The explanation for incorrect options:

Non-biodegradable pollutants:

• The pollutants that cannot be degraded by natural methods or agents are called Non-biodegradable pollutants.
• Non-biodegradable pollutants can be chemicals, plastics as well as rubber.

B. DDT is known as Dichlorodiphenyltrichloroethane and it is a non-biodegradable pollutant.

C. Mercury salts are non-biodegradable pollutants.

D. Aluminium foil is a non-biodegradable waste.

Hence, the correct option is A i.e. Domestic waste.