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Class 10 Science Medium Mcq English Medium

Since the sensitive plant has no nervous or muscle tissue, its cells change shape (leading to leaf movement) by:

Question
Since the sensitive plant has no nervous or muscle tissue, its cells change shape (leading to leaf movement) by:
Producing special contractile proteins like animal muscles
Changing the amount of water in them, causing swelling or shrinking
Dividing rapidly
Releasing adrenaline
Answer
Changing the amount of water in them, causing swelling or shrinking
Detailed Explanation
Plant cells change shape by altering the amount of water they contain, causing swelling or shrinking, unlike animal muscle cells which use special proteins.
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