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Q.
A $13$ celled male gametophyte in Selaginella is :
BHUBHU 2001
Solution:
Selaginella is called as "spike moss" or club moss. Selaginella is a member of Pteridophyta. Male gametophyte or microspore of Selaginella is $13$ celled structure, which consist of $12$ cells of antheridium and $1$ prothallial cell.