Q.

Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as                  [2021]

1 heterosporous  
2 homosorus  
3 heterosorus  
4 homosporous  

Ans.

(1)

Genera like Selaginella and Salvinia, which produce two kinds of spores, macro (large) and micro (small) spores, are known as heterosporous.