what is turgor movement? explain with example.
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Turgor movement is due to the difference of turgidity of the cells in the lower half and upper half of pulvinus (petiole of leaf). When leaf of touch-me-not plant (Mimosa pudica) is touched, the electrical signal send chemical signals from leaflets to pulvinus (petiole) of leaf. Cells in the lower half of pulvinus lose water and become flaccid, while cells in the upper half of pulvinus become turgid due to accumulation of more water. Hence, leaf droops down for a short time.
Examples of turgor movement in plants are:
1.Leaves of Mimosa plant folds and droops down when anyone touch them.
2.Leaves of Medicago marina plant close or sleep at night whereas opens up during day time.
Examples of turgor movement in plants are:
1.Leaves of Mimosa plant folds and droops down when anyone touch them.
2.Leaves of Medicago marina plant close or sleep at night whereas opens up during day time.
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Answer:
Explanation:
Turgor movement is due to the difference of turgidity of the cells in the lower half and upper half of pulvinus (petiole of leaf). When leaf of touch-me-not plant (Mimosa pudica) is touched, the electrical signal send chemical signals from leaflets to pulvinus (petiole) of leaf. Cells in the lower half of pulvinus lose water and become flaccid, while cells in the upper half of pulvinus become turgid due to accumulation of more water. Hence, leaf droops down for a short time.
Examples of turgor movement in plants are:
1.Leaves of Mimosa plant folds and droops down when anyone touch them.
2.Leaves of Medicago marina plant close or sleep at night whereas opens up during day time.
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