Question

The first cell of sporophytic generation in bryophytes

• A. Spore
• B. Spore mother cell
• C. Zygote
• D. Protonema

Answer 1

The correct option is C Zygote

The antherozoids penetrates the egg in the archegonium and fertilization is effected. With the result of fertilization the diploid zygote is formed. The zygote begins to develop into a multicellular embryo just after the act of fertilization, without going under any rest period. Ultimately the sporogonium (sporophyte) develops. The spore mother cell is produced within the sporangium. They are diploid, and represent the last stage of the sporophyte generation. The spore mother cells undergoes the meosis and the tetrads of haploid spores are formed. The spores represents the beginning of the gametophytic generation.

Hence the correct option is C.