Which of the following guards the opening of hepatopancreatic duct into the duodenum?
1. Ileocaecal valve
2. Pyloric sphincter
3. Sphincter of Oddi
4. Semilunar valve

In the stomach, gastric acid is secreted by the:-
1. parietal cells
2. peptic cells
3. acidic cells
4. gastrin secreting cells

The enzyme that is not present in succus entericus is
1. maltase
2. nucleases
3. nucleosidase
4. lipase

Which of the following statement is not correct?
1. Brunner's glands are present in the submucosa of stomach and secrete pepsinogen.
2. Goblet cells are present in the mucosa of intestine and secrete mucus.
3. Oxyntic cells are present in the mucosa of stomach and secrete HCl.
4. Acini are present in the pancreas and secrete carboxypeptidase.

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

Anxiety and eating spicy food together in an otherwise normal human being, may lead to
1. indigestion
2. jaundice
3. diarrhoea
4. vomiting

Which of the following enzymes carries out the initial step in the digestion of milk in humans?
1. Rennin
2. Lipase
3. Trypsin
4. Pepsin

If for some reason, our goblet cells are non-functional, this will adversely affect the
1. production of somatostatin
2. secretion of sebum from the sebaceous glands
3. maturation of sperms
4. smooth movement of food down the intestine

Which one of the following pairs 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, the infants below the age of one year are likely to suffer from: