The diagrams above are illustrations of an experimental set-up to demonstrate a type of tropic response in plants.

A. phototropism
B. geotropism
C. hydrotropism
D. thigmotropism

Correct Answer: Option C

C. hydrotropism

Explanation

From the first diagram, you notice the roots of the plants bending towards the porous water pot, hence this is a form of response in the direction of the stimuli of the water. This is a form of hydrotropism.

Copyright warnings! Do not copy.