WAEC Biology 2020 Objective — Question 15

Question 15 of 50 from the West African Examinations Council (WAEC) Biology 2020 Objective paper, with the correct answer and a full explanation.

The excretory product of some reptile, birds and insects is

A. urea
B. uric acidCorrect
C. ammonia
D. phlome

Explanation

Mammals such as humans excrete urea, while birds, reptiles and some terrestrial invertebrates (like insects) produce uric acid as their nitrogenous excretory product.

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