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Questions  

Isomorphic alternation of generations is seen in

a
Ectocarpus
b
Laminaria
c
Sphagnum
d
Pteris

detailed solution

Correct option is A

In Ectocarpus, the gametophyte and sporophyte are morphologically identical but genetically different and alteration such gametophytes and sporophytes in the life cycle is described as isomorphic alternation of generations. It is seen in certain algae like Ectocarpus, Cladophora and Polysiphonia (gametophyte and tetrasporophyte).

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