1.

The heterosporous pteridophytes areA. Lycopodium and PterisB. Selaginella and PsilotumC. Selaginella and SalviniaD. Dryopteris and Adiantum.

Answer» Correct Answer - C
Heteropory is the production of spores of two different sizes and of two different developmental patters-smaller male or microspores and larger female ormegaspores. Heterospory is the most important evolutionary development in the vascular plants because it has ultimaetely led to seed development e.g.,selaginella, salvinia, azolla etc.


Discussion

No Comment Found

Related InterviewSolutions