Question 24
Question 24 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
11. Gas exchange in human...
11.1. Gas exchange in humans

Investigate the differences in composition between inspired and expired air using limewater as a test for carbon dioxide

12. Respiration
12.3. Anaerobic respiration

Outline how the oxygen debt is removed after exercise, limited to: (a) continuation of fast heart rate to transport lactic acid in the blood from the muscles to the liver (b) continuation of deeper and faster breathing to supply oxygen for aerobic respiration of lactic acid (c) aerobic respiration of lactic acid in the liver

8. Transport in plants
8.3. Transpiration

Explain the effects on the rate of transpiration of varying the following factors: temperature, wind speed and humidity