Question

Which of the following group is not ‘biodegradable’?

Options

• Vegetable peels, dead leaves, paper

• Cow dung, leather bag, water

• Polythene bag, rubber band, ball pen

• Paper, fruits, bones

Answer 1

Polythene bag, rubber band, ball pen

Explanation:

Non-biodegradable substances cannot be broken down by microorganisms. Items like polythene bags, rubber, and plastic (ball pen) persist in the environment for a long time.