WAEC Biology 2026 Question 6

Question 6

Transport in Plants

A potted plant was placed in an experimental setup to measure the rate of water loss in plants. A structure in the plant that is primarily responsible for water loss is

  1. A.spongy mesophyll
  2. B.root
  3. C.stomata
  4. D.palisade mesophyll
Show the answer and explanation

Answer: C (stomata)

Explanation

Most water vapour leaves the plant through the stomata in the leaves.