The opening of stomach into duodenum is guarded by:

(1) Cardiac sphincter

(2) Sphincter of Boyden

(3) Sphincter of Oddi

(4) Pyloric sphincter

Caecum is small blind sac which hosts some symbiotic micro-organisms. From it a small finger like vestigial organ arises. This organ is called:

(1) Parotid gland

(2) Vermis

(3) Vermiform appendix

(4) Lacteals

The wall of alimentary canal from oesophagus to rectum posses four layers. The sequence of these layers is:

(1) Serosa → Mucosa → Submucosa → Muscularis

(2) Muscularis → Serosa → Mucosa → Submucosa

(3) Serosa → Muscularis → Mucosa → Submucosa

(4) Serosa → Muscularis → Submucosa → Mucosa

Duodenal glands / Brunner's glands are present in:

(1) Submucosa

(2) Mucosa

(3) Muscularis

(4) Serosa

Mucosa forms irregular folds (rugae) in the:

(1) Ileum

(2) Stomach

(3) Jejunum

(4) Colon

Mucosa forms many small finger like villi in the:

(1) Stomach

(2) Colon

(3) Caecum

(4) Small intestine

Which layer of the gut is responsible for peristalsis?

(1) Smooth muscles                             

(2) Mucosa

(3) Submucosa                                    

(4) Serosa

Lacteals, lymph capillaries are found in:

(1) Spleen             

(2) Intestinal villi   

(3) Salivary gland  

(4) Mammary gland

Parotid glands are located below:

(1) Eye

(2) Tongue

(3) Floor of mouth

(4) In cheek near ear

Which one is the largest gland?

(1) Liver

(2) Pancreas

(3) Salivary gland

(4) Gastric gland