Question 23
Question 23 of 40
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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
14. Coordination and cont...
14.3. Mammalian hormones

Understand the role of the hormone adrenaline, produced by the adrenal glands, in increasing the blood glucose concentration and heart rate and give examples of situations in which these may occur

9. Human gas exchange
9.1. Human gas exchange

Investigate and explain the effect of physical activity on rate and depth of breathing

7. Transport in flowering...
7.2. Transpiration and translocatio...

Explain: (a) the effects of wind speed, and the variation of temperature, humidity and light intensity on transpiration rate (b) how wilting occurs