Biology · Plant Growth and Development

Heterophylly seen in buttercup (Ranunculus) differs from that of cotton and coriander because in buttercup it is:

1. A
   Regulated purely by internal developmental phases from juvenile to adult stages
2. B
   An irreversible genetic mutation affecting meristematic cell division
3. C
   Caused exclusively by the application of exogenous gibberellic acid
4. D
   An environmental adaptation showing different leaf shapes in air versus water