4.
(d) Pyramid of numbers and biomass.
Which one is the correct food chain ?
(a) Phytoplankton - Zooplankton - Fish
(b) Zooplankton - Phytoplankton - Fish
(c) Grass - Fish - Zooplakton
(d) Zooplankton - Protozoans - Fish
Which one of the following is an abi
component of the ecosystem ?
(a) Bacteria
(b) Plants
(c) Humus
(d) Fungi
5.
Answers
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Explanation:
the correct answer is 'Phytoplankton →→ Zooplankton →→ Fishes'
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