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प्रश्न
What is the difference between photonasty and thigmonasty?
उत्तर
| Photonasty | Thigmonasty |
| It is the non-directional movement in plants in response to light. | It is the non-directional movement in plants in response to touch. |
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संबंधित प्रश्न
What is the stimulus in thigmotropism?
What happens to the moonflower
- during the daytime, and
- at night?
What is this phenomenon known as?
What is meant by positive tropism and negative tropism? Explain with examples.
Dandelion flowers open the petals in bright light during the daytime but close the petals in dark at night. This response of dandelion flowers to light is called:
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.
Roots of plants are:
Write the scientific terms used to represent the following:
Growing of roots towards the gravity.
Give the scientific term for the following:
Growth-dependent movement in plants.
Which parts of a plant exhibit Negative geotropism?
Name the stimulus which causes the following movement in plant:
Geotropism
