Question

While conducting experiments to study the effects of various stimuli on the plants, it was observed that the roots of plant X grow and bend towards two stimuli A and B but bend away from a third stimulus C. The stem of the plant X however bends ” away from stimulus A and B but bends towards the stimulus C. The stimulus B is known to act on the roots due to factors related to Earth. Keeping these points in mind, answer the following questions:

1. What could be stimulus A?
2. Name the stimulus seen in B.
3. What could be stimulus-C?

Answer 1

1. Stimulus A – Water
2. Stimulus B – Gravity
3. Stimulus C – Light