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Activity 6.1 — Touch-me-not Plant
NCERT Activity 6.1: Touch the leaves of a Mimosa pudica (Touch-me-not) plant and observe how the leaves fold and droop in response.
How To Perform
1
Observe the Plant
Look at the Mimosa pudica plant with its fully open, compound leaves.
2
Touch the Leaves
Gently touch one of the leaflets with your finger.
3
Watch the Response
Observe how the leaves rapidly fold inward and the petiole droops.
4
Trace the Pathway
Understand the stimulus → electrical signal → water loss → folding pathway.
5
Classify the Response
Identify why this happens and what type of movement it is.
⚠️ Safety Notes
- •Handle the plant gently — excessive touching can stress the plant.
- •Observe the plant in a well-lit area for the best visual response.
- •Wait for leaves to fully recover before touching again.