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What is meant by positive and negative tropic movements in plants and give example?

Answer»

Hey friend,
Here is your answer:

• Tropic movement or tropism is the movement of a PART of a plant in response to an EXTERNAL STIMULUS. Example : phototropism, geotropism, hydrotropism, thigmotropism.

• Positive tropic movement is the movement of a part of a plant when it grows towards a stimulus. Example: growth of stem towards light.

• Negative tropic movement is the movement of a part of plant when it grows AWAY from the stimulus. Example : growth of stem away from WATER and gravity.

Hope it helps u.


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