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प्रश्न
What is the stimulus in hydrotropism?
उत्तर
The stimulus in hydrotropism is Water.
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संबंधित प्रश्न
How does phototropism occur in plants?
How are tropic movements helpful to plants? Explain with an example.
Give one example of a plant part which is positively phototropic but negatively geotropic.
Tendrils wind around a support in response to ______.
A potted plant is kept horizontally for a considerable time. The three positions of the parts A and B of the potted plant are shown in the following figures:
- Which figure shows the correct position taken by the parts A and B of the plant?
- What type of phenomenon is exhibited by the figure chosen in (a) above?
The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as :
(a) abscisic acid
(b) auxin
(c) gibberellins
(d) cytokinin
State whether true or false. If false, correct the statement.
The response of a part of plant to the chemical stimulus is called phototropism.
Give the scientific term for the following:
Growth-dependent movement in plants.
Give an example for the movement of plant part which is very quick and can be observed easily.
______ of sweet peas exhibit thigmotropism.