Tropism — task. Biology CBSE Live product, Class 10 (2025-26).

Design an experiment to demonstrate hydrotropism.

1. The directional movement of plant roots towards moisture is known as ___________.

2. Which of the following statements about the hydrotropism experiment's results is correct?

The bending of roots occurs due to gravity alone and is unrelated to the presence of water in the porous pot.
The plant's roots do not bend towards the porous pot of water, indicating hydrotropism. It is a typical growth of leaves in response to acid concentration, with a gradient determining the growth direction.
The roots bend due to chemical signals from soil nutrients, indicating chemotropism instead of hydrotropism.
The plant's roots bend towards the porous pot of water, confirming hydrotropism. It is a type of plant growth response in which a gradient determines the growth direction in water concentration.

Did you find an error?

7. Tropism