Question 16
Question 16 of 40
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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
9. Human gas exchange
9.1. Human gas exchange

State the characteristics of, and describe the role of, the exchange surface of the alveoli in gas exchange

6. Plant nutrition
6.2. Leaf structure

State that most leaves have a large surface area and are thin, and explain how these features are adaptations for photosynthesis