Question

Read the following four statements (A-D).
(A) In secretion of submucosal glands enzymes are present
(B) Rennin enzyme found in gastric juice of infants helps in digestion of milk sugar.
(C) Principle organ for absorption of nutrients is stomach
(D) Serosa is the outermost layer of alimentary canal
How many of the given statements are correct?

• A. Four
• B. One
• C. Two
• D. Three

Answer 1

The correct option is D Three

D. Three

Reason:

• Lysozyme is an example of enzyme which is secreted from submucosal cells
• Rennin helps in coagulation of milk, after which pepsin acts on that for digestion. Rennin is produced by chief cells found in the stomach of infants.
  
• In human body, the Principal organ of absorption of nutrients is small intestine instead of stomach
  

I Serosa is the outermost layer of the alimentary canal.

so among these statement, three are correct. So the correct option is D.