Which one of the following is heterosporous?
Options
(a) Dryopteris
(b) Salvinia
(c) Adiantum
(d) Equisetum
Correct Answer:
Salvinia
Explanation:
Salvinia is an aquatic fern with both annual and perennial species- b is heterosporous i.e. with two types of spores, microspores and megaspores