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Science · 2023 · 3 marks
CBSE 2023 · Region 4 · Set 1 · Q33
Write one difference between biodegradable and non-biodegradable wastes. List two impacts of each type of the accumulated waste on environment if not…
Write one difference between biodegradable and non-biodegradable wastes. List two impacts of each type of the accumulated waste on environment if not disposed off properly.
Marking-scheme solution
| Biodegradable | Non-biodegradable |
| Biodegradable wastes can be broken down by biological processes. | Non-biodegradable wastes cannot be broken down by biological processes. |
Impact of accumulated biodegradable wastes:
(i) Foul smell
(ii) Breeding place for carriers of diseases
Impact of accumulated non-biodegradable wastes:
(i) Biological Magnification
(ii) Affect soil fertility.
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.