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When the Leaves of a Sensitive Plant Are Touched with a Finger, They Fold up and When Light Fades at Dusk, the Petals of a Dandelion Flower Close. State Two Ways in Which the Above Two Processes Differ. - Science

When the leaves of a sensitive plant are touched with a finger, they fold up and when light fades at dusk, the petals of a dandelion flower close.

state two ways in which the above two processes differ.

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Solution

The first process of folding up of leaf is thigmonastic and the stimulus is touch. The second process of closing of petals is photonastic and the stimulus is light.

Concept: Tropic Movements in Plants

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Chapter 2: Control and Coordination [Page 98]

Q 77.2 Q 77.1 Q 1

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Lakhmir Singh Class 10 Biology (Science)

Chapter 2 Control and Coordination
Q 77.2 | Page 98

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When the Leaves of a Sensitive Plant Are Touched with a Finger, They Fold up and When Light Fades at Dusk, the Petals of a Dandelion Flower Close. State Two Ways in Which the Above Two Processes Differ. - Science

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