Anxiety and eating spicy food together in an otherwise normal human, may lead to  

1. indigestion

2. jaundice

3. diarrhea

4. vomiting

Lactose is composed of

1. glucose + fructose

2. glucose + glucose

3. glucose + galactose

4. fructose + galactose

When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from 

1. marasmus

2. rickets

3. kwashiorkor

4. pellagra

Brunner's glands occur in

1. sub-mucosa of duodenum

2. sub-mucosa of stomach

3. mucosa of oesophagus

4. mucosa of ileum

Carrier proteins faciliate the absorption of substance like

1. amino acids and glucose

2. glucose and fatty acids

3. fatty acids and glycerol

4. fructose and some amino acids

The portion of human stomach into which the oesophagus opens is the:-
1. Cardiac
2. Fundus
3. Corpus
4. Pylorus

Muscularis layer of the wall of the alimentary canal is formed by:-

1. Smooth muscle arranged into an inner longitudinal and an outer circular layer

2. Smooth muscle arranged into an inner circular and an outer longitudinal layer

3. Skeletal muscle arranged into an inner longitudinal and an outer circular layer

4. Skeletal muscle arranged into an inner circular and an outer longitudinal layer

The optimum pH for the enzyme salivary amylase is:

(1) 4.5

(2) 6.8

(3) 7.3

(4) 8.2

Lipases can be activated by: 

1. Enterokinase

2. Enterogastrone

3. Chyme

4. Bile

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