Question 1
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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
5. Enzymes
5.2. Effects of temperature and pH

Investigate and describe the effects of temperature and pH on enzyme activity

8. Human nutrition
8.2. Human digestive system

Describe the functions of the types of human teeth in physical digestion of food