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The movement of tentacles in Venus flytrap or Drosera upon contact with an insect is an example of thigmonastic or chemonastic movement caused by changes in turgor pressure.

1. Correct
2. Incorrect
3. Partially correct
4. Not applicable

Correct answer: Correct

Solution

The bending of tentacles in Venus flytrap or Drosera in response to contact with an insect is a thigmonastic movement, which is a type of nastic movement caused by touch or mechanical stimuli. It is also a turgor movement as it involves changes in turgor pressure in cells.

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