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Question

(a) State one advantage of using jute bags over plastic bags for shopping.
(b) Write a common food chain of a pond ecosystem having four links.

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Solution

(a) Jute bags are biodegradable, and hence they are degraded by micro-organisms. Plastic bags are non-biodegradable, and hence they are not degraded by micro-organisms. Therefore, the advantage of using jute bags over plastic bags is that jute bags are environment friendly.

(b) Algae Protozoa Small fish Big fish

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