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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.