Response to stimulus + Movement due to growth

Plants show tropic movements in response to external stimuli like water, light, gravity etc. These tropic movements could either be towards or away from the direction of external stimuli.

Choose all statements that apply to tropic movements in plants.

(Choice A)
Tropic movements are often controlled by hormones.
(Choice B)
When the plant part moves in the direction opposite to that of the stimulus, it is called negative tropism.
(Choice C)
Tropic movements are shown only by root.
(Choice D)
When the plant part moves in the direction of stimulus, it is called positive tropism.

Bridge Course Class 11th Biology

Course: Bridge Course Class 11th Biology > Unit 3

Problem