AP BIOLOGY

PLANTS

PTERIDOPHYTES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of the following is a heterosporous pteridophyte?

A	Pteris
B	Marsilea
C	Selaginella
D	both Marsilea and Selaginella

Explanation:

Detailed explanation-1: -Solution : Selaginella, Salvinia, Marsilea and Azolla are heterosporous pteridophytes.

Detailed explanation-2: -Final answer: The heterosporous pteridophytes are Selaginella and Salvinia.

Detailed explanation-3: -They are homosporous but a few plants are heterosporous also e.g., Isoetes, Selaginella, Marsilea, Regnellidium, Pilularia, Azolla and Salvinia.

Detailed explanation-4: -Selaginella and Salvinia are heterosporous genera of pteridophytes.

There is 1 question to complete.