Which of the following gastric secretions is correctly matched with its source?

• Pepsin - Chief cells

• Chymotrypsin - Parietal cells

• HCl - Goblet cells

• Mucus - Oxyntic cells

Assertion: HCl converts pepsinogen into active enzyme pepsin.

Reason: Pepsin converts protein into proteoses and peptones.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion: Emulsification is necessary for the digestion of fats.

Reason: After fats are emulsified, the action of enzyme amylase gets significantly increased.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion: In jaundice, the skin and mucous membranes assume a yellowish hue

Reason: Yellow pigment bilirubin imparts pale yellow colour to blood plasma

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion: No taste sensation is evoked when drop of distilled water is put on human tongue.

Reason: Man does not possess taste buds for tasting water.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion: Oxytocin is also known as Antidiuretic hormone (ADH).

Reason: Oxytocin can cause an increase in the renal reabsorption of water.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false

Assertion : Small intestine is the principal organ for absorption of nutrients.

Reason : Absorption of water, simple sugars and alcohol etc. takes place in small intestine.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are hue but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion : Duodenum is the main organ of small intestine.

Reason : In duodenum, digestion and absorption mainly occurs.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are hue but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Assertion : Bile is essential for the digestion of lipids.

Reason : Bile juice contains enzymes bilirubin and biliverdin.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of the assertion

• If assertion is true but reason is false

• If both assertion and reason are false.

Duodenum has characteristic Brunner's gland which secretes two hormones called

• prolactin, parathormone

• secretin, cholecystokinin

• enterocrinin, duocrinin

• gastrin, enterogastrone