Question

which of the following is a bio-degradable waste
A) Aluminum cans b)plastics c) Kitchen waste d)D.D.T

Answer 1

Bio-degradable: Any substance that does not cause pollution and is capable of getting decomposed by any living organism.

Non Bio-degradable: Any substance that cannot be decomposed and cause pollution to the environment.  

Kitchen wastes are bio-degradable.

Unlike the Aluminum cans, plastics and D.D.T. which cannot be decomposed easily or cannot decomposed at all, the kitchen wastes include vegetable wastes which are easily decomposed.  

Answer 2

Kitchen waste is a biodegradable waste.

Option (C) is correct.

Explanation:

• Biodegradable substances are those which can be easily broken down by the microorganisms and are not harmful to the environment.
• Kitchen waste is a biodegradable waste as it can easily be decomposed by microorganisms.
• Such as peels of vegetables and fruits are biodegradable.
• Whereas Aluminium Cans, Plastic, and DDT are non- biodegradable wastes as they can be broken down into small pieces by living organisms.