Effect of pollution is first marked on:
Correct answer: A. Micro-organisms
- A. Micro-organisms
- B. Green vegetation of an area
- C. Food crop
- D. None of these
Explanation
Microorganisms often show pollution effects first because they live directly in soil, water, and decomposing material and respond rapidly to chemical changes. Their disturbance can then spread through vegetation and the wider food chain.
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Practise Forest Ecology
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