Stomach is the site of absorption of 

(1) Simple sugars

(2) Water 

(3) Alcohol

(4) All of these

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?

(1) Faces become dry 

(2) Acidic chyme will not be neutralised

(3) There will be little digestion in intestine

(4) Little absorption of fats will occur

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

of which cells of stomach?

(1) Goblet cells 

(2) Parietal cells

(3) peptic cells

(4) Chief cells

When skin and eyes turn yellow, it the symptom

of 

(1) Vomiting 

(2) Diarrhoea

(3) Jaundice 

(4) Constipation

Succus entericus is the term used for which of the 

following?

(1) A junction present between ileum and large

     intestine

(2) Foramen present in the heart

(3) Swelling in throat 

(4) Intestinal juice

Match the column I with column II

    Column I                       Column II 

a. Bilirubin and                (i)     Sub-lingual

    biliverdin                        

b. Hydrolysis of starch     (ii)    Bile pigments

c. Digestion of proteins    (iii)   Trypsin

d. Salivary glands            (iv)   Amylase

(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?

(1) Cardiac sphincter

(2) Pyloric sphincter

(3) lleo-caecal value

(4) Sphincter of Oddi

HCl provides the pH which is about 

(1) 1.8

(2) 3.2 

(3) 5.0

(4) 6.8

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