Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of 

1. diaphragm

2. neck

3. tongue

4. epiglottis

Which one of the following is a protein deficiency disease?

1. Eczema

2. Cirrhosis

3. Kwashiorkor

4. Night blindness

The enzyme enterokinase helps in the conversion of 

1. pepsinogen into pepsin

2. trypsinogen into trypsin

3. caseinogen into casein

4. proteins into polypeptides

In vertebrates lacteals are found in

1. ileum

2. ischium

3. oesophagous

4. ear

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

The hormone that stimulates the stomach to secrete gastric juice is 

1. gastrin

2. renin 

3. enterokinase

4. enterogasterone

Rennin acts on

1. milk changing casein into calcium paracaseinate at 7.2 - 8.2 pH

2. protein in stomach

3. fat in intestine

4. milk changing casein into calcium paracaseinate at 1-3 pH

Release of pancreatic juice is stimulated by 

1. enterokinase

2. cholecystokinin

3. secretin

4. Both 2 and ;3

Cholecystokinin and duocrinin are secreted by

1. adrenal cortex

2. thyroid gland

3. pancreas

4. intestine