Saliva and Salivary Glands

Q. Which of the following organs of the digestive system stores the undigested food?

1. True
2. False
3. \N
4. \N

Q. Expulsion of undigested waste material through anus is known as ___ .

1. assimilation
2. ingestion
3. egestion
4. digestion

Q.

Mention one function of the following:

Saliva

Q.

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

1. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

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

3. If Assertion is correct but Reason is incorrect.

4. If Assertion is incorrect but Reason is correct.

Q.

State one main function of tongue.

Q. The function of tongue is to

1. Help in the act of swallowing
2. Help in mixing saliva with the food
3. Both A and B
4. None of the above