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Science · 2024 · 3 marks
CBSE 2024 · Region 4 · Set 3 · Q33
Differentiate between biodegradable and non-biodegradable wastes. We generate a lot of non-biodegradable wastes in our daily life. Write any two…
Differentiate between biodegradable and non-biodegradable wastes. We generate a lot of non-biodegradable wastes in our daily life. Write any two harmful effects caused by these wastes if not disposed off properly.
Marking-scheme solution
| Biodegradable waste | Non-biodegradable waste |
| Wastes that are broken down by biological processes into simpler substances. | Wastes that are not broken down by biological processes into simpler substances. |
Harmful effects:
Excessive use cause pollution.
Pesticides enter the food chain and cause biomagnification in humans and other animals.
Clogging of drains.
Death of cattle due to ingestion of plastics
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CBSE Class 10 Science past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.