Gce Model Questions Vol1 2018 Biology Question 48
Practice objective / multiple choice question 48 from the 2018 Gce Model Questions Vol1 Biology examination.
A desert shrub stores water in its stem. The stem volume is \(300\) cm³ and is \(70\)% water by volume. Each gram of water supports \(0.05\) g of CO₂ fixation per hour. Leaf area \(A\) (cm²) loses water at a rate of \(0.01\) g per hour per cm² of leaf. The plant must achieve a net CO₂ fixation of at least \(10\) g per hour. What is the maximum leaf area that can be sustained without depleting its water store in one hour?
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About This Question
This is Gce Model Questions Vol1 2018 Biology Question 48. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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