JAMB Biology 2023 Objective — Question 3
Question 3 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2023 Objective paper, with the correct answer and a full explanation.
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Which of the following is an adaptation for water conservation?
- A. prominent stomata in leaves
- B. spiny leavesCorrect
- C. spongy mesophyll
- D. broad leaves
Explanation
The larger the surface area of leaves, the higher the transpirational water loss; spiny (reduced) leaves minimize this loss to the barest minimum, while broad leaves would allow much greater water loss.
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