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Science · 2024 · 2 marks
CBSE 2024 · Region 2 · Set 1 · Q26
Name the term used for the materials which cannot be broken down by biological processes. Give two ways by which they harm various components of an ecosystem.
Marking-scheme solution
Non-biodegradable substances
Two ways:
(i) They are inert and persist in the environment for long time and cause pollution.
(ii) Cause Biological magnification
(iii) Affect the fertility of soil
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.