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Solution


Q.

Identify the pair of heterosporous pteridophytes among the following.               [2023]
1 Psilotum and Salvinia  
2 Equisetum and Salvinia  
3 Lycopodium and Selaginella  
4 Selaginella and Salvinia  

Ans.

(4)

Genera like Selaginella and Salvinia produce two kinds of spores, macro (large) and micro (small) spores, known as heterosporous. The megaspores and microspores germinate and give rise to female and male gametophytes, respectively.