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

Which of the following statements is incorrect?

(1) About 30% of starch is hydrolysed in the

     buccal cavity

(2) Small amounts of lipases are also secreted by 

     gastric glands

(3) Chymotrypsinogen is activated by trypsin

(4) Brunner's glands secrete enzymes and mucus

Transverse section of gut shows four layers of the wall 

i.e serosa, muscularis, submucosa and mucosa.

Which of the following statements is not correct

regarding its arrangement and modification?

(1) Serosa is the outermost layer which is made 

     of thin mesothelium

(2) Oblique muscle layer is present in stomach

(3) All the four layers show modifications in 

     different parts of alimentary canal

(4) Villi and rugae are modified mucosal and 

     submucosal layers respectively