Q.

Plants which produce characteristic pneumatophores and show vivipary belong to                 [2017]

1 halophytes  
2 psammophytes  
3 hydrophytes  
4 mesophytes  

Ans.

(1)

Presence of pneumatophores, i.e., small negatively geotropic vertical roots and vivipary or seed germination while attached to plant are adaptations of halophytes, i.e., plants growing in saline habitat.