Question

plz answer (b) question plzzzz​

Answer 1

Explanation:

Nastic movements are caused due to the non-directional stimuli. The change of turgor pressure inside the cells of the plant is a major cause of nastic movement. The pitcher is a modification of leaf.

In a pitcher plant, the lid closes because of nastic movement. When the insects sit on the rim of the pitcher, there is a higher pressure at that point and the water in the vacuoles of the cells of the leaf lose water to the adjacent cell. All the water escapes the leaf (via the pulvinus) which then becomes flaccid and the lid closes.

So, the correct answer is option C.

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