Question 42
Plant Responses and HormonesGrowing yam tendrils climb for support. This growth response is
- A.haptotropism
- B.geotropism
- C.phototropism
- D.hydrotropism
- E.chemotropism.
Show the answer and explanation
Answer: A (haptotropism)
Explanation
Growth in response to touch or contact is haptotropism (thigmotropism).