1
Question
Selaginella has character of evolutionary importance. That character is
Open in App
Solution
The correct option is C Heterospory
Selaginella is a vascular sporophytic plant. It shows the phenomenon of heterospory. Heterospory is the production of different types of spores by the same plant. Microspore is the smaller spore that gives rise to the male gametophyte and megaspore is the larger spore. These spores produce the antherozoids in antheridia and the egg in archegonia and the gametes fuse to give rise to the zygote. Heterospory is considerable advancement in seed habit and therefore heterospory in Selaginella has evolutionary significance. Thus, the correct answer is option C.
Selaginella is a vascular sporophytic plant. It shows the phenomenon of heterospory. Heterospory is the production of different types of spores by the same plant. Microspore is the smaller spore that gives rise to the male gametophyte and megaspore is the larger spore. These spores produce the antherozoids in antheridia and the egg in archegonia and the gametes fuse to give rise to the zygote. Heterospory is considerable advancement in seed habit and therefore heterospory in Selaginella has evolutionary significance. Thus, the correct answer is option C.
Suggest Corrections
0
Similar questions
View More
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
