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

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

A phototropism

B geotropism

C hydrotropism

D thigmotropism

Answer is C
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.

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