A) 7.1 to 8.2
B) 7.6 to 8.6
C) 1.5 to 2.0
D) 6.8 to 7.2
Correct Answer: C
Solution :
The pH of the stomach is acidic because of the presence of HCl in the gastric juice. This acidity is essential for the optimum functioning of pepsin (below pH-4).
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