Question

Statement 1: The stimulus for the movement in Mimosa pudica is sunlight.

Statement 2: It is a growth independent movement.

• A. Only statement 1 is correct.
• B. Only statement 2 is correct.
• C. Both the statements are correct.
• D. Both the statements are incorrect.

Answer 1

The correct option is B Only statement 2 is correct.

Mimosa pudica is a sensitive plant. When the leaves of the plant are touched, it immediately shrinks and folds the leaves. In this type of movement, no growth is involved. Here, the leaves move in response to the touch stimulus. This type of movement is known as thigmonasty.