Question
Explain the following in brief:
Phototropism.
Phototropism.
✓
Answer
Phototropism: It is defined as the directional movement of the plant organ in response to the stimulation of light. When a plant organ moves towards light, it is called positive phototropism and when the plant organ moves away from light, it is called negative phototropism.
Most stems, leaves and flower stalks show positive phototropism while most of the roots are negatively phototropic.
Most stems, leaves and flower stalks show positive phototropism while most of the roots are negatively phototropic.
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(ii) Give the scientific term for the change shown in Q.(i) above.
(iii) What would you do to bring this cell back to its original condition?
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