Which of the following is not caused by a growth movement?
bending of the shoot of a plant in response to light
closing up of leaves of a sensitive plant on touching with an object
climbing up of a plant on an object by using tendrils
movement of the root of a plant towards a source of water
The correct answer is: B. closing up of leaves of a sensitive plant on touching with an object.
Plant parts show two types of movements, one dependent on growth and the other independent of growth. Give one example of the movement in plant parts:
(a) which depends on growth
(b) which does not depend on growth