Q. The coiling of tendril around some base in response to touch, is called
A) Hydrotaxis
B) Chemotaxis
C) Thigmotropism
D) Geotaxis
Explanation
Contact or touch stimulus that induced growth movements are called ‘thigmotropism’. E.g., binding of tendril, twisting of twinner around a solid support, stem of $Ciscuta$, root of $Vanilla.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.