NEET Zoology Digestion and Absorption Questions Solved


Optimum pH of saliva action is:

(1) 6.8

(2) 8.6

(3) 7

(4) 9.5

Audio Explanation:


(1) The saliva secreted into the oral cavity contains electrolytes (Na+, K+, Cl, HCO) and enzymes, salivary amylase and lysozyme and has an optimum pH of action- 6.8.

Difficulty Level:

  • 93%
  • 4%
  • 4%
  • 1%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 24, 2019)