Question

Heterosporous pteridophytes are
(A) Salvia, Selaginella
(B) Selaginella, Lycopodium
(C) Slavinia, Selaginella
(D) Dryopteris, Pteris​

Answer 1

Answers :

C)

Explanation:

The living species of Heterosporous pteridophytes are small herbaceous perennials usually not more than a few inches high and fall into six genera namely Azolla, Salvinia, Marsilea, Pilularia, Isoetes, and Selaginella...

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Answer 2

Answer:

option C

Explanation:

Heterospory is the production of spores of two different sizes and of two different developmental patterns -smaller male or microspores and larger female or megaspores. Heterospory is the most important evolutionary development in vascular plants because it has ultimately led to seed development, e.g., Selaginella, Salvinia, Azolla, etc.

So the correct option is C.