✓ Board-verified
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…
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
All Our Environment questions2024 question paperNCERT solutions: Our EnvironmentPractice Our Environment →
More from Our Environment
- Assertion (A): Ozone (O_3) gas at higher levels of atmosphere is a product of UV radiation acting on Oxygen (O_2). Reason (R): The amount of ozone in…2026
- Why are the organisms of first trophic level important in any food chain? Justify the following statement: 'The flow of energy in an ecosystem is…2025
- Assertion: Producers are capable of using light energy from the sun to make food available in an ecosystem. Reason (R): All food chains in an…2024
- Assertion: The amount of ozone in the atmosphere began to drop sharply in the 1980s. Reason (R): The oxygen atoms combine with molecular oxygen to…2025
- Other than the abiotic components, which of the given biotic components are not required to make an aquarium with small herbivorous fishes a…2025
- Use of pesticides to protect our crops affect organisms at various trophic levels especially human beings. Name the phenomenon involved and explain…2024
- Explain why food chains generally consist of three or four steps.2026
- Plants → Deer → Lion In the given food chain, what will be the impact of removing all the organisms of second trophic level on the first and third…2024
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.