In the stomach, gastric acid is secreted by the?

1. oxyntic cells
2. peptic cells
3. acidic cells
4. gastrin secreting cells

Select the correct match of the digested products in humans given in column-I with their' absorption site and mechanism in column-II.

1. (1)

2. (2)

3. (3)

4. (4)

Fructose is absorbed into the blood through mucosa cells of intestine by the process called:

1. Active transport

2. Facilitated transport

3. Simple diffusion 

4. Co-transport mechanism

Which one of the following pair of food components in humans reaches the stomach totally undigested?

1. Protein and starch

2. Starch and fat

3. Fat and cellulose

4. Starch and cellulose

When breast feeding is replaced by less nutritive food low in proteins and calories, infants below the age of one year are likely to suffer from:

1. marasmus

2. rickets

3. kwashiorkor

4. pellagra

A young infant may be feeding entirely on mother's milk, which is white in colour but the stools, which the infant passes out is quite yellowish. What is this yellow colour due to?

1. Intestinal juice

2. Bile pigments passed through bile juice

3. Undigested milk protein casein

4. pancreatic juice poured into the duodenum

Match the following structures with their respective location in organs:

Select the correct option from the following:
 

Which of the following options best represents the enzyme composition of pancreatic juice?

1. Amylase, pepsin, trypsinogen, maltase

2. Peptidase, amylase, pepsin, rennin

3. Lipase, amylase, trypsinogen, pro carboxypeptidase

4. Amylase, peptidase, trypsinogen, rennin