Waec Model Questions Vol1 2017 Biology Question 30

Practice objective / multiple choice question 30 from the 2017 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2017 Biology Objective / Multiple Choice Hard Difficulty
Question 30 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • objective

A desert plant exhibits three independent adaptations that reduce water loss: (i) thickened leaves reduce transpiration by 30 %, (ii) stomatal closure reduces transpiration by 25 %, and (iii) a reflective leaf surface reduces solar heating, contributing an additional 10 % reduction. Assuming the effects are independent, what is the overall percentage reduction in water loss caused by the combination of these adaptations?

Answer Options

A. 57.5
B. 65.0
C. 59.5
Correct Answer D. 52.8
Correct Answer
D
Correct Option:
52.8

About This Question

This is Waec Model Questions Vol1 2017 Biology Question 30. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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