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प्रश्न
Tendrils wind around a support in response to ______.
उत्तर
Tendrils wind around a support in response to touch.
APPEARS IN
संबंधित प्रश्न
What does a Mimosa pudica plant do in response to touch? What is this phenomenon known as?
What does a plant root do in response to water? What is this phenomenon known as?
What does a tendril do in response to the touch of a support? What is this phenomenon known as?
How are tropic movements helpful to plants? Explain with an example.
The response of leaves to the sunlight is called ______.
The bending of the root of a plant away from a source of light is caused by a plant hormone called :
(a) cytokinin
(b) gibberellin
(c) abscisic acid
(d) auxin
A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.
(a) Name the part X of plant.
(b) Name the part Y of plant.
(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?
(d) Which part of the plant, X or Y, can have tendrils on it?
(e) Which phytohormone causes the part X to exhibit negative phototropism?
Differentiate between:
Phototropism and chemotropism
Match column A with column B.
| Column A | Column B |
| Roots growing downwards into soil. | Positive phototropism |
| Shoots growing towards the light. | Negative geotropism |
| Shoots growing upward. | Negative phototropism |
| Roots growing downwards away from light. | Positive geotropism |
State whether true or false. If false, correct the statement.
Shoot is positively phototropic and negatively geotropic.
