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प्रश्न
Name one plant part which exhibits positive thigmotropism.
उत्तर
Tendrils or climbing organs of a plant exhibit positive thigmotropism.
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संबंधित प्रश्न
Design an experiment to demonstrate hydrotropism.
Name the type of chemical substances that control the growth in plants.
What does a Mimosa pudica plant do in response to touch? What is this phenomenon known as?
The root of a plant grows downward. This is known as ______.
What is meant by positive phototropism and negative phototropism? Give one example of each type.
Which of the following is not caused by a growth movement?
A potted plant having straight parts A and B was placed horizontally on its side as shown in Figure (i). After a few days, it was observed that parts A and B of the plant acquired new positions as shown in Figure (ii).
- Name the phenomenon exhibited by the position of plant parts A and B in Figure (ii).
- Name the stimulus (other than sunlight) which causes plant part A to grow and bend upwards, and plant part B to bend downwards.
Answer the following question.
What is tropism?
The root of the plant is ______.
- positively phototropic but negatively geotropic
- positively geotropic but negatively phototropic
- negatively phototropic but positively hydrotropic
- negatively hydrotropic but positively phototropic
Name a plant hormone responsible for bending of a shoot of a plant when it is exposed to unidirectional light. How does is promote phototropism?
