Ali has some pea plants in his garden which need a support to grow as seen in the picture given below:

(a) Name the phenomenon depicted by the shoot in the given figure.

(b) Define the above phenomenon.

(c) Write the name of the part marked X.

(a) Thigmotropism.

(b) The growth movement of plant parts in response to touch stimulus is called Thigmotropism.

(c) X → Leaf Tendril