Neco 2025 Biology Question 21
Practice objective / multiple choice question 21 from the 2025 Neco Biology examination.
Two desert plant species employ different adaptations to reduce water loss. Species A reduces its leaf area by 30 % and shortens its daily stomatal opening time by 2 h. Species B reduces leaf area by 15 % but its cuticle thickness lowers the transpiration rate per unit area by 40 %. Assuming a baseline leaf area of \(100\ \text{cm}^2\), a baseline transpiration rate of \(0.5\ \text{ml}\,\text{cm}^{-2}\,\text{h}^{-1}\), and a daily stomatal opening period of \(10\ \text{h}\) for an untreated plant, which adaptation results in the lower total water loss per day? State "Adaptation A" or "Adaptation B".
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About This Question
This is Neco 2025 Biology Question 21. It is one of the objective questions from the 2025 Neco Biology examination.
Difficulty level: Hard .
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