Question 17
Plant Responses and HormonesWhich of these instruments is used to demonstrate the response of roots and shoots to gravity?
- A.Klinostat
- B.Manometer
- C.Porometer
- D.Potometer
- E.Photometer.
Show the answer and explanation
Answer: A (Klinostat)
Explanation
A klinostat slowly rotates a seedling so gravity acts equally on all sides; comparing it with a still seedling shows geotropism.