Movement of hairs in Drosera is referred to as – (1) Heliotropism (2) Thigmotropism (3) Photonastic (4) Seismonastic

1 Answer

Answer :

(2) Thigmotropism Explanation: Thigrnonasty (thigmotropism) refers to plant movement in response to touch or physical contact without regard to the direction of the stimulus. Thigmonastic movements are exemplified by the closing of the insect-eating plant Venus's flytrap (Dionaea muscipula) and the bending of the glandular hairs of sun-dew (Drosera sp.) as a result of contact with an insect.

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