Gce Model Questions Vol1 2019 Biology Question 50
Practice objective / multiple choice question 50 from the 2019 Gce Model Questions Vol1 Biology examination.
Two desert plant species have the same leaf surface area of \(10\) cm\(^2\). Species A stores \(150\) ml of water in its succulent leaves and loses water by transpiration at a rate of \(5\) ml h\(^{-1}\) cm\(^2\). Species B stores \(200\) ml of water and, because of a waxy cuticle, its transpiration rate is \(30\)% lower than that of Species A (per cm\(^2\)). Assuming no rainfall, which species can survive longer without water, and by how many hours does its survival time exceed that of the other species? Give the difference to one decimal place.
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About This Question
This is Gce Model Questions Vol1 2019 Biology Question 50. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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