Waves of muscle contraction that move the intestinal content are:

(1) Caused by-contraction of skeletal muscle

(2) Regulated by liver secretions

(3) Called peristalsis

(4) Voluntary

Which of the following is a sub-mucosal gland?

1. Oxyntic glands of stomach

2. Crypts of Lieberkuhn of small intestine

3. Brunner's glands of the duodenum

4. Goblet cells

If for some reason our goblet cells are non-functional, this will adversely affect:

1. production of somatostatin

2. secretion of sebum from the sebaceous glands

3. maturation of sperms

4. smooth movement of food down the intestine

The mucosal layer in the stomach form irregular folds known as:-
1. villi
2. lumen
3. rugae
4. crypts of Lieberkuhn

Peristalsis occurs

1. from the mouth to the small intestine
2. from the beginning of the esophagus to the anus
3. only in the stomach
4. only in the small and large intestines

Mark the incorrect match regarding the process involved in digestion and absorption?

Select the incorrect option.

1. Polysaccharides Amylase $\underset{\mathrm{pH}}{\overset{}{\to }}$ $6.8\mathrm{Amylase}$ Disaccharides

2. Paneth cells in mucosa of gut secrete lysozyme that has antibacterial effects.

3. Mucus secreting goblet cells are present in submucosa of wall of alimentary canal.

4. Vomiting is a reflex action controlled by the vomit centre in the medulla.

The intrinsic nervous system that is responsible for peristalisis is present in which part shown in the given transverse section of the human gut ?

1. A

2. B

3. C

4. D

Study the given diagram and choose the correct statements :

I. A is involved in the absorption of fatty acids

II. B is a gland

1. Only I

2. Only II

3. Both I and II

4. Neither I nor II

A mass peristaltic movement is responsible for:-

1. Release of bile and pancreatic juice into the duodenum
2. Passage of chyme from stomach to duodenum
3. Vomiting
4. Defecation