Neco 2020 Biology Question 11
Practice objective / multiple choice question 11 from the 2020 Neco Biology examination.
A desert plant possesses two leaf adaptations: (i) a thick cuticle that reduces transpiration to 40% of that of a reference plant, and (ii) sunken stomata that (a) lower stomatal conductance by 30% and (b) increase leaf temperature by 10% of the reference temperature. Each 1 °C rise in leaf temperature raises transpiration by 15%. Assuming the reference leaf temperature is 30 °C, calculate the overall percentage reduction in transpiration of the desert plant relative to the reference plant when both adaptations are present.
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About This Question
This is Neco 2020 Biology Question 11. It is one of the objective questions from the 2020 Neco Biology examination.
Difficulty level: Hard .
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