The number of stomata on the lower and upper surfaces of two leaves from plant species X and Y were counted under the field of view of a light microscope. The results were as shown in the table below.

      

The number of stomata on the lower and upper surfaces of two leaves from plant species X and Y were counted under the field of view of a light microscope. The results were as shown in the table below.
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a) Which of the two leaves would be expected to have a lower rate of transpiration?
b) Give a reason for your answer in (a) above

  

Answers


John
a) Leaf X

b) X has fewer stomata compared to Y; most stomata in leaf X are concentrated on the lower side, hence not in direct contact with environment factors e.g. direct sunlight that rises rate of transpiration.
johnmulu answered the question on May 3, 2017 at 05:17


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