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7.3 Explain why the leafy shoot should be cut underwater.   (1)

SECTION B – CONTEXTUAL QUESTIONS QUESTION 6

6.5 Explain why some patients are ‘not able to have a transplant’. (1)

10.1 Identify parts labelled A, B and H. (3)   A –     B –     H –  

7.4 Explain the purpose of the air bubble. (1)

6.6 Suggest what is meant by the term intraventricular. (1)

1.2 What is the site of gas exchange in humans? (1) A) Nose   B) Alveoli   C) Bronchus   D) Trachea  

TOTAL QUESTION 5: [10] TOTAL SECTION A: [35]

9.2 Which letter shows the tube that contains urine? (1)

12.2 Explain why breathing rate is higher after exercise. (3)