Which of the following is true about digestion and 

absorption of food?

1. Trypsin, chymotrypsin and carboxypeptidase

     are brush border enzymes

2. The chemical process of digestion is initiated

      in the oral cavity. About 60% Starch is 

      hydrolysed here by salivary amylase to form

      maltose

3. Rennin is a proteolytic enzyme found in gastric 

     juice of infants. Small amount of lipases are 

     also secreted by the gastric glands

4. If breast feeding is replaced by less nutritive

     food low in proteins and calories, the infants

     below the age of one year will suffer from 

     Kwashiorkar

What will happen if bile duct gets blocked?

Vitamin ${\mathrm{B}}_{12}$ is absorbed by the help of secretions 

of which cells of stomach?

When skin and eyes turn yellow, it the symptom

of 

Succus entericus is the term used for which of the  following?

Match the column I with column II

1. a(ii), b(iv), c(i), d(iii)
2. a(iv), b(i), c(iii), d(ii)
3. a(iii), b(ii), c(iv), d(i) 
4. a(ii), b(iv), c(iii), d(i)

Which of the following structures prevents the back flow of faecal matter?

HCl provides the pH which is about 

Which of the following reactions is not catalysed

by a brush border enzyme?

1. Maltose $\stackrel{\mathrm{Maltase}}{\to }$ glucose+ glucose

2. Lactose $\stackrel{\mathrm{Lactase}}{\to }$ glucose + glucose

3. Starch $\stackrel{\mathrm{Amylase}}{\to }$ Disaccharide

4. Nucleotides $\stackrel{\mathrm{Nucleotidase}}{\to }$ Nucleoside

Which of the following statements is incorrect?