Q. Which one of the following is heterosporous?
A) Equisetum
B) Dryopteris
C) Salvinia
D) Adiantum
Explanation
[Solution from source] Salvinia, a water fern, produces two kinds of spores (microspores and megaspores), as NCERT notes for Selaginella and Salvinia. Equisetum, Dryopteris and Adiantum all produce a single kind of spore and are homosporous. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.