Question 20
Question 20 of 40
Question image for Q20
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
13. Excretion
13.1. Excretion

State that urea is a toxic waste product produced in the liver from the breakdown of excess amino acids

13. Excretion
13.2. Urinary system

Explain the need for excretion, limited to toxicity of urea