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Science · 2023 · 2 marks
CBSE 2023 · Region 5 · Set 3 · Q25
What is the difference between biodegradable and non-biodegradable substances ? List two methods of safe disposal of biodegradable domestic waste.
Marking-scheme solution
| Biodegradable | Non-biodegradable |
| - Substances that can be broken down by biological processes. | -Substances that cannot be broken down by biological processes . |
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CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.