Assertion: Saliva is a secretion of salivary gland.
Reason: Saliva is a mixture of water and electrolytes, derived from blood plasma.

Write a note on salivary glands and saliva.

Assertion: Oxynic cells are minor salivary glands. Reason: Oxyntic cells stain strongly with eosin.

These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to choose any one of the following four responses. If both Assertion and Reason are true and Reason is correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Saliva secretion is a reflex action. Reason:Saliva secretion is controlled by only brain and not the homones.

Assertion : Birds have no mammary gland. Reason : Pigeonds secrets 'pigeon's millk'

Assertion : Pituitary gland is also called master gland. Reason : It secretes a number of trophic hormones which regulate secretion from other endocrine glands.

These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to chose any one of the following four responses. If both Assertion and Reason are true and Reason in correct explanation of Assertion. If both assertion and Reason are true but reason is not correct explanation of Assertion. If Assertion is true but Reason is false. If both Assertion and Reason are false. Assertion:Pituitary gland is also called master gland. Reason:It secretes a number of trophic hormones which regulate secretion from other endocrine glands.

Assertion: The sight, smell and presence of food in the oral cavity can stimulate secretion of saliva. Reason: The activities of the gastro-intestinal tract are only under neutral control for proper coordination of different parts.

Assertion: The presence of water molecules makes separation of ions easier in electrolyte. Reason: The presence of water molecules in electrolyte decreases the resistance of electrolyte.