A) Aerotropism
B) Geotropism
C) Tromonasty
D) Traumatropism
Correct Answer: D
Solution :
Traumatropism (Trauma = wound, tropism = movement) are injury induced movements. Growth away from injured side is called. It negative traumatropism and towards injury is called positive traumatropism. Aerotropism movement induced in response to air, eg, positively aerotropic? pneumato- phores. Geotropism is directional paratonic growth movement of curvature caused by unilateral exposure to gravity. Main root is positively geotropic, main stem, coleoptile and pneumatophores are negatively geotropic.
You need to login to perform this action.
You will be redirected in
3 sec
