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Question

Sporophytic generation is represented by zygote only in

A
Funaria
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B
Chlamydomonas
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C
Pinus
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D
Selaginella
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Solution

The correct option is B Chlamydomonas
Chlamydomonas belongs to the class Chlorophyceae. These are algae which do not show a fixed mode of alternation of generation. Hence the sporophytic generation itself is considered as the zygote. This zygote undergoes meiotic division resulting in the formation of haploid individuals i.e. game­tophyte. Zygotic meiosis is the characteristic feature of Chlamydomonas.
Thus, the correct answer is option B.

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