UPSC NDA II 2025 General Ability Paper

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Question : 133 of 150

Marks: +1, -0

The optimum pH at which the enzymes pepsin and trypsin of the human alimentary canal works are

pH 2.0 and 7.9, respectively
pH 4.5 and 3.5, respectively
pH 9.5 and 4.5, respectively
pH 7.0 and 8.0, respectively

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