A grapevine tendril comes into contact with a wooden stake and begins to coil around it. This directional growth response is known as:
Q1. A grapevine tendril comes into contact with a wooden stake and begins to coil around it. This directional growth response is known as:
Answer: Haptotropism
Explanation: Haptotropism is a growth response to touch, such as climbing. Thigmonasty is tempting but is a non-directional turgor movement.