Post Utme Skyline University 2017 Biology Question 22

Practice objective / multiple choice question 22 from the 2017 Post Utme Skyline University Biology examination.

Post Utme Skyline University 2017 Biology Objective / Multiple Choice
Question 22 POST_UTME_SKYLINE_UNIVERSITY • 2017 • BIOLOGY • objective

A researcher studying the effects of pollution on a freshwater e\cosystem observes that the concentration of dissolved oxygen in the water decreases as the concentration of pollu\tants increases. Which of the following best explains this observation?

Answer Options

A. The increased concentration of pollu\tants leads to an increase in the rate of respiration among aquatic organisms.
Correct Answer B. The increased concentration of pollu\tants leads to a decrease in the rate of photosynthesis among aquatic plants.
C. The increased concentration of pollu\tants leads to an increase in the rate of decomposition among organic matter.
D. The increased concentration of pollu\tants leads to a decrease in the rate of diffusion of oxygen into the water.
Correct Answer
B
Correct Option:
The increased concentration of pollu\tants leads to a decrease in the rate of photosynthesis among aquatic plants.

About This Question

This is Post Utme Skyline University 2017 Biology Question 22. It is one of the objective questions from the 2017 Post Utme Skyline University Biology examination.

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