Question

Assertion : Saliva is the secretion of salivary glands.
Reason : Saliva is a mixture of water and electrolyte derived from blood plasma.

• A. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
• B. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
• C. If Assertion is correct but Reason is incorrect.
• D. If Assertion is incorrect but Reason is correct.

Answer 1

The correct option is B

If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

Option B.

Assertion statement :

1. Saliva is an important part of the digestive process. In the presence of saliva, digestion begins.
2. The salivary glands function as an exocrine gland, producing saliva through a duct system.
3. Humans have hundreds of salivary glands within their mouths. Acini are the fundamental secretory units of salivary glands, and they are made up of clusters of cells.

Reason statement :

1. Saliva contains 98% water, electrolytes, mucous, white blood cells, epithelial cells, glycoproteins, enzymes, and antimicrobial agents such as secretory IgA and lysozyme.
2. Saliva also moisturizes the mouth and other regions of the digestive tract.

Final answer: Both assertion and reason are correct but the reason is not the correct explanation of assertion.