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Question : When we touch leaves of "Touch me not plant", they close, these movements are called

Option 1: photonastic movements

Option 2: nyctinastic movements

Option 3: seismonastic movements

Option 4: chemotactic movements


Team Careers360 3rd Jan, 2024
Answer (1)
Team Careers360 7th Jan, 2024

Correct Answer: seismonastic movements


Solution : The correct option is seismonastic movements.

When the leaves of the "Touch me not plant" (Mimosa pudica) are touched, they make "seismonastic movements". Seismonastic motions are reversible and quick reactions to mechanical stimuli like touch or vibration. When the leaves of Mimosa pudica are touched, they quickly close or fold together. This is a defence mechanism used by the plant to protect itself from possible predatory herbivores.

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