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Question -

The second trophic level in a lake is-




Answer -

(a) Phytoplankton
(b) Zooplankton
(c) Benthos
(d) Fishes

Answer
(b) Zooplankton
Zooplankton are primary consumers in aquatic food chains that feed upon phytoplankton. Therefore, they are present at the second trophic level in a lake.

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