Which among the following has protonemal stage in its life cycle?
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a
Ulothrix
b
Polytrichum
c
Marchantia
d
Selaginella
answer is B.
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Detailed Solution
Protonema is juvenile gametophyte of mosses of Bryophytes. Polytrichum is a moss and has protonemal stage.Ulothrix is an alga.Selaginella is a pteridophyte.Marchantia is a liverwort.