Class 11 NEET Biology Plant Kingdom Questions Part 1

(c) : In prothallus of vascular cryptogams the antherozoids and eggs mature at different times. The spores on germination gives rise to prothallus. The antherozoids are biflagellated or multiflagellated. The egg is produced inside the venter, water is essential for fertilization and it is always crossfertilization. Self fertilization is prevented.