Waec Model Questions Vol1 2020 Biology Question 5
Practice objective / multiple choice question 5 from the 2020 Waec Model Questions Vol1 Biology examination.
The photosynthetic rate of a shade‑tolerant leaf is described by P = a I (1 - e^{-kL}) - r L, where I is incident light intensity (µmol photons m⁻² s⁻¹), L is leaf thickness (mm), a = 0.02 µmol CO₂ µmol⁻¹ photons, k = 0.5 mm⁻¹, and r = 0.1 µmol CO₂ m⁻² s⁻¹ mm⁻¹. For I = 200 µmol photons m⁻² s⁻¹, find the leaf thickness L (mm) that maximizes P, and give the corresponding maximum photosynthetic rate (µmol CO₂ m⁻² s⁻¹).
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About This Question
This is Waec Model Questions Vol1 2020 Biology Question 5. It is a objective / multiple choice question from the 2020 Waec Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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