WAEC Biology 2026 Question 5

Question 5

Transport in Plants

A potted plant was placed in an experimental setup to measure the rate of water loss in plants. The instrument in the experimental setup that would be used to measure the rate of water loss is

  1. A.potometer
  2. B.klinostat
  3. C.photometer
  4. D.hygrometer
Show the answer and explanation

Answer: A (potometer)

Explanation

A potometer measures the rate at which a shoot takes up water, which is used to estimate the rate of transpiration.