Which of the following is not a heterosporous plant?

Question

Which of the following is not a heterosporous plant? (A) Selaginella (B) Salvinia (C) Lycopodium (D) None of these

Tardigrade Admin · Accepted Answer

Lycopodium is homosporous--all spores are roughly equal in size. Selaginella and Isoetes are heterosporous--spores are of two distinct sizes, microspores and megaspores. Salvinia and Cycas are heterosporous.

Q. Which of the following is not a heterosporous plant?

Selaginella

Salvinia

Lycopodium

None of these

Lycopodium is homosporous--all spores are roughly equal in size. Selaginella and Isoetes are heterosporous--spores are of two distinct sizes, microspores and megaspores. Salvinia and Cycas are heterosporous.