Question

Pick the correct group consisting of all genera exhibiting homospory.

• A. Lycopodium, Psilotum, Selaginella, Equisetum
• B. Equisetum, Pteris, Salvinia, Psilotum
• C. Salvinia, Pteris, Lycopodium, Selaginella
• D. Equisetum, Psilotum, Lycopodium, Pteris

Answer 1

Answer: (D)

Pteridophytes, may produce similar spores (homosporous) or dissimilar spores (heterosporous). Selaginella and Salvinia show heterospory.