Biology, asked by Fatma4426, 1 year ago

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

Answers

Answered by LonelyHeart
116
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.
Answered by LakshmishreeR
9

Answer:

Positive tropic movements is a tropic movement in which the part of a plant grows towards a stimulus.

Example: In phototropism, movement of shoot towards the source of light.

Negative tropic movement is a tropic movement in which the part of a plant grows away from a stimulus

Example : In phototropism, movement of roots away from the soure of light.

Mark me as brainliest.

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