Question 17
Plant Responses and HormonesGrowing radicles of seddlings are
- A.negatively phototropic
- B.positively phototropic
- C.negatively geotropic
- D.negatively hydrotropic
- E.positively phototactic
Show the answer and explanation
Answer: A (negatively phototropic)
Explanation
Roots grow away from light (negatively phototropic) and towards gravity and water.