Waec 2025 Biology Question 33

Practice objective / multiple choice question 33 from the 2025 Waec Biology examination.

Waec 2025 Biology Objective / Multiple Choice 3 Difficulty
Question 33 WAEC • 2025 • BIOLOGY • objective

Which of the following sequences represents the trend in eutrophication

Answer Options

A. heavy mineralization → lack of oxygen → massive algal growth
Correct Answer B. excessive nitrates → massive algal growth lack of oxygen → death of aquatic
C. excessive phosphates → lack of oxygen → massive algal growth → death of aquatic organisms
D. massive algal growth → excessive nitrates → lack of oxygen
Correct Answer
B
Correct Option:
excessive nitrates → massive algal growth lack of oxygen → death of aquatic

About This Question

This is Waec 2025 Biology Question 33. It is one of the objective questions from the 2025 Waec Biology examination.

Difficulty level: 3 .

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