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प्रश्न
The growth movement of a plant part in response to the touch of an object is called :
(a) thigmonasty
(b) hydrotropism
(c) thigmotropism
(d) geotropism
उत्तर
(c) thigmotropism
The growth movement of a plant part in response to the touch of an object is called thigmotropism.
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संबंधित प्रश्न
What happens to the dandelion flower
- during the daytime, and
- at night?
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?
Distinguish between tropic movements and nastic movements in plants. Give examples to illustrate your answer.
Name the plant part which bends towards light but away from the force of gravity.
Which of the following terms denotes the movement of the root of a plant towards moisture in the soil?
(a) thigmotropism
(b) chemotropism
(c) hydrotropism
(d) geotropism
The climbing organs of plants like tendrils grow towards any support which they happen to touch and wind around the support. This is an example of :
(a) chemotropism
(b) nastic movement
(c) thigmotropism
(d) geotropism
What is the difference between movement of flower in sunflower plant and closing of the leaves in the Mimosa pudica?
The plant part which exhibits negative geotropism is ______.
Growth of root towards water is ______.
Define the following term:
Tropism
