Identify the correct statement regarding Saliva:
1. Its secretion is increased by sympathetic nervous system.
2. It contains amylase, which digests 100 % starch.
3. It contains bactericidal lysozyme.
4. Its secretion is increased during sleep.

Subtopic:  Digestive Secretions: Saliva |
 78%
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The optimum pH for the enzyme salivary amylase is:
1. 2.0
2. 6.8
3. 8.0
4. 9.1
Subtopic:  Digestive Secretions: Saliva |
 95%
From NCERT

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