A) 12-cells of antheridium + 1-prothallial cell
B) 10-cells of antheridium + 3-prothallial cells
C) 9-cells of antheridium + 4-prothallial cells
D) 7-cells of antheridium + 6-prothallial cells
Correct Answer: A
Solution :
The 13-celled microspore or male gametophyte in Selaginella is shed from microsporangium, which is having 1- rothallial cell + 8-jacket cells + 4-androgonial cells (fe, 8+4= 12antheridial cells).
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