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  1. When we touch leaves of “Touch me not plant”, they close, these movements are called
    1. Photonastic movements
    2. nyctinastic movements
    3. seismonastic movements
    4. chemonastric movements
Correct Option: C

These types of movements have been termed seismonastic movements. The movement occurs when specific regions of cells lose turgor pressure, which is the force that is applied onto the cell wall by water within the cell vacuoles and other cell contents.



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