Question
Biology Question on Pteridophytes
In the life history of ferns, meiosis occurs at the time of
A
formation of spores
B
formation of antheridia and archegonia
C
formation of gametes
D
germination of spores
Answer
formation of spores
Explanation
Solution
In the ferns, the sexual reproduction takes place through spores which are borned in sporangia. Sporangium is a diploid structure, it bears diploid spore mother cells, which undergo produce haploid spores. Spore is the first cell of gametophyte. On germination, .it gives rise to a haploid gametophytic stage.