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प्रश्न
How is movement in plants different from that in animals?
उत्तर
| Movement in plants | Movement in animals |
| It involves bending, twisting, and elongation of plant parts. | It involves displacement from one place to another. |
| Movement is said to be non-locomotory. | Movement is said to be locomotory. |
| Plants generally move to secure support, capture food or find water or soil nutrients. | Animals generally move to find mates, for protection from environmental changes, and to capture food. |
| Plant movements are confined to only some plant parts. | Animal movements are not related to growth. |
| No muscles are involved in plant movements. | Muscles are involved in animal movements. |
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संबंधित प्रश्न
What is the scientific name of sensitive plant?
To which directional stimuli do shoots respond?
How does phototropism occur in a plant stem (or shoot)? Explain with the help of labelled diagrams.
Define hydrotropism. Give one example of hydrotropism. State whether this example is of positive hydrotropism or negative hydrotropism. Illustrate your answer with the help of labelled diagram.
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
The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as :
(a) abscisic acid
(b) auxin
(c) gibberellins
(d) cytokinin
The response of plants to gravity is known as geotropism. How are plant parts sensitive to gravity? Describe with the help of a diagram.
The stimulus in the process of thigmotropism is:
Heliotropism is a kind of ______.
Analogy:
Hydrotropism: Response towards water:: Phototropism: ______.
