Question

 Define hydrotropism. Give one example of hydrotropism. State whether this example is of positive hydrotropism or negative hydrotropism. Illustrate your answer with the help of labelled diagram.

Answer 1

The movement of plant parts in response to water is known as hydrotropism.
An example of hydrotropism is the movement of  plant roots towards water. It is a positive hydrotropism because the roots move towards the stimulus.