Question

How does touch me not plant detect the touch while there is neither a nervous
tissue nor any muscle tissue

Answer 1

Answer:

when we touch touch me not plant ,our touch acts as stimulus for plant and it closes its leaves in return .Some chemical are released from its stem which force water to move out of the cell leading to loss of turgor pressure .As a result,leaves drop.

Answer 2

Answer:

Reflex action is the reason for the closure in touch-me not plant.

Explanation:

• This movement is known as ‘Thigmonasty’.
• The turgor pressure is the mechanosenory response where the water within the cells can apply a “certain amount of force” against cell wall in a plant.
• So unless disturbed the leaves of the plant stays upright and the seismonastic movements (during touch).
• The contractile protein activates the swollen base of the leaf stalk.
• Here the chemicals make flow out of cell resulting in a loss of cell pressure.