NEET 2008 Biology question

Which one of the following is heterosporous?

(1)Equisetum
(2)Dryopteris
(3)SalviniaCorrect
(4)Adiantum

Answer: (3)

Solution

Heterospory (production of two kinds of spores, small microspores and large megaspores) occurs in a few pteridophytes such as Selaginella, Salvinia and Marsilea. Hence Salvinia, option

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Question ID VK-090037