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JAMB Biology 2003 Question 17

Question 17

Transport in Plants

Use the diagram of the experiment to answer: The experiment is used to demonstrate that

Diagram for this question
  1. A.plants lose water through guttation
  2. B.transpiration occurs through the leaves
  3. C.water is necessary for photosynthesis.
  4. D.leaves are important to photosynthesis.
Show the answer and explanation

Answer: B (transpiration occurs through the leaves)

Explanation

Water drops collect on the inside of the bell jar with the leafy shoot but not with the leafless one. This shows that plants lose water vapour mainly through their leaves.