WAEC Biology 2013 Objective — Question 28
Question 28 of 60 from the West African Examinations Council (WAEC) Biology 2013 Objective paper, with the correct answer and a full explanation.
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Which of the following factors is likely to increase the rate of transpiration in plants?
- A. A reduction in the number of stomata per unit surface area
- B. Increase in humidity around the leaves of plants
- C. An increase in leaf surface area to volume ratioCorrect
- D. Removal of leaves from plant
Explanation
The larger the surface area of a leaf, the higher the rate of transpiration — so an increase in leaf surface area to volume ratio increases transpiration.
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