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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
Plant roots grow ______ and in the direction of force of ______.
What is meant by ‘positive geotropism’ and ‘negative geotropism’? Give one example of each type. Draw a labelled diagram to illustrate your answer, indicating the plant part, which shows positive geotropism, and the plant part, which shows negative geotropism.
The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:
The stimulus in the process of thigmotropism is ______.
Which of the following acts as a stimulus in the process of hydrotropism?
(a) hydrocarbon
(b) hydrogen oxide
(c) hydrogen chloride
(d) hydrogen peroxide
When the leaves of a sensitive plant are touched with a finger, they fold up and when light fades at dusk, the petals of a dandelion flower close.
State one way in which the above two processes are similar.
What is meant by positive and negative tropic movements in plants? Explain them by giving suitable examples.
The movement of sunflower in accordance with the path of sun is due to
The plant part which exhibits negative geotropism is ______.
The solar tracking of sunflower in accordance with the path of sun is due to ______.
