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Solution


Q.

The maximum number of levels in a food chain can be:
1 7–8  
2 5–6  
3 3–4  
4 1–3  

Ans.

(3)

At each trophic level, some amount of energy is lost; hence, food chains can have maximum 3–4 trophic levels. After four levels, there is no significant amount of energy left to pass on.