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JAMB Biology 1987 Question 25

Question 25

Transport in Plants

Use the information in the graph (rate against time of day for plants R, S, T and U) to answer this question. Which of the plants is likely to have broad leaves with thin cuticle?

Diagram for this question
  1. A.R
  2. B.S
  3. C.T
  4. D.U
Show the answer and explanation

Answer: A (R)

Explanation

Plant R shows the highest rate throughout the day. Broad leaves with a thin cuticle lose water fastest, so they would give the highest rate.