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प्रश्न
Define chemotropism.
उत्तर
The growth of plant parts in response to chemical stimuli is known as chemotropism.
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संबंधित प्रश्न
What is the scientific name of sensitive plant?
Which of the following is a growth movement and which is not?
- Folding up of leaves of sensitive plant on touching with hand.
- Folding up of petals of dandelion flower when light fades.
Name the plant organ which is positively phototropic.
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
In tropic movements, plant parts move
Differentiate between:
Thigmotropism and geotropism
Analogy:
Towards a stimulus: ______:: Away from the stimulus: Negative tropism.
Write the scientific terms used to represent the following:
Bending of roots towards the water.
Name a hormone which is responsible for phototropism
Name the phenomenon occurring in plants which are under the control of gravity, water and chemicals with one example each that shows the movement involved.