Question
How many molecules of ethanol are released from the anaerobic respiration of one molecule of
glucose?
A 1 B 2 C 4 D 6
Answer/Explanation
Ans: B
Question
Yeast is placed inside a container full of a glucose solution with no air.
Which word equation summarises the process that takes place inside the container?
A glucose → alcohol + carbon dioxide
B glucose → lactic acid
C glucose + oxygen → carbon dioxide + water
D glucose + oxygen → alcohol
Answer/Explanation
Ans
A
Question
The graph shows the lactic acid concentration in blood during and after exercise.
Which process accounts for the shape of the graph at Z?
A aerobic respiration of lactic acid in the kidney
B aerobic respiration of lactic acid in the liver
C anaerobic respiration of lactic acid in the kidney
D anaerobic respiration of lactic acid in the liver
Answer/Explanation
Ans: B