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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

What is the difference between movement of flower in sunflower plant and closing of the leaves in the Mimosa pudica? - Science

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Question

What is the difference between movement of flower in sunflower plant and closing of the leaves in the Mimosa pudica?

Short Note

Solution

The stem of sunflower follows the path of sun from dawn to dusk (from east to west) due to light stimulus. But at night, it moves from west to east. The leaves of mimosa pudica closes on touching stimulus.

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Chapter 19: Plant Physiology - Exercise [Page 231]

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Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 19 Plant Physiology
Exercise | Q VI. 6. | Page 231
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