Plants have neither a nervous system nor muscles, even then they
Plants have neither a nervous system nor muscles, even then they respond to stimuli. For example, the leaves of chhui-mui (touch-me-not) plant when touched begin to fold up and droop.
- How is the information communicated in ‘‘touch-me-not’’ plants ?
- What enables the plant cells to bring out the observable response ?
- Differentiate the movement mentioned above from the movement of tendrils in a pea plant.
- Answer:
- Plant cells use electrical– chemical means to convey information. /The information that touch has occurred must be communicated
- Plant cells change shape by changing the amount of water in them (swelling or shrinking).
c.

- Exam Year: 2025
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