Which of the following groups contain only biodegradable items?
(a) Grass, flowers and leather
(b) Grass, wood and plastic
(c) Fruit-peels, cake and lime-juice
(d) Cake, wood and grass

Correct Answer:

(c) Fruit-peels, cake, and lime-juice

(d) Cake, wood, and grass

 Explanation:

Biodegradable Materials	Non-biodegradable Materials
(i) A material that gets decomposed through natural processes, such as the action of bacteria. (ii) e.g., cotton or jute.	(i) A material that does not get decomposed by natural processes. (ii) e.g., plastics.