Which one of the following is the correct matching of a vitamin, its nature and its deficiency disease? 

1. Vitamin-A    -    Fat soluble     -    Night blindness

2. Vitamin-K    -    Fat soluble     -    Beri-beri

3. Vitamin-A    -    Fat soluble     -    Beri-beri

4. Vitamin-K    -    Water soluble -    Pellagra

Release of pancreatic juice is stimulated by 

1. enterokinase

2. cholecystokinin

3. secretin

4. Both 2 and ;3

The hormone that stimulates the stomach to secrete gastric juice is 

1. gastrin

2. renin 

3. enterokinase

4. enterogasterone

The enzyme enterokinase helps in the conversion of 

1. pepsinogen into pepsin

2. trypsinogen into trypsin

3. caseinogen into casein

4. proteins into polypeptides

Cholecystokinin and duocrinin are secreted by

1. adrenal cortex

2. thyroid gland

3. pancreas

4. intestine

Inhibition of gastric and stimulation of gastric, pancreatic and bile secretions are controlled by hormones 

1. gastrin, secretin, enterokinin and cholecystokinin

2. enterogasterone, gastrin, pancreozymin and cholecystokinin

3. gastrin, enterogasterone, cholecystokinin and pancreozymin

4. secretin, enterogasterone, gastrin and enterokinin

Stool of a person contains whitish grey colour due to malfunction of which type of organ ?

1. Pancreas

2. Spleen

3. Kidney

4. Liver

A patient is generally advised to especially, consume more meat, lentils, milk and eggs in diet only when he suffers from 

1. kwashiorkor

2. rickets

3. anaemia

4. scurvy

What is common among amylase, rennin and trypsin ? 

1. These all are proteins

2. These all are proteolytic enzymes

3. These are produced in stomach

4. These act as a pH lower than 7

Which one of the following is a matching pair of a substrate and its particular digestive enzyme? 

1. Maltose     - Maltase

2. Lactose     - Renin     

3. Starch       - Steapsin

4. Casein       - Chymotrypsin