In a person of advanced age, the hair become thinner gradually. It happens because of decrease in

1. synthesis of glucose

2. synthesis of proteins

3. energy availability

4. blood supply

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 

1. marasmus

2. rickets

3. kwashiorkor

4. pellagra

If pancreas is removed, the compound which remains undigested is 

1. carbohydrates

2. fats

3. proteins

4. All of these

If for some reason our goblet cells are non-functional, this will adversly affect [2010]

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 statement is true regarding digestion and absorption of food in humans?

1. Oxyntic cells in our stomach secrete the  proenzyme pepsinogen

2. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier protein

3. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries

4. About 60% of starch is hydrolysed by salivary amylase in our mouth

Where is protein digestion accomplished?

1. Stomach

2. lleum

3. Rectum

4. Duodenum

A certain person eats boiled potato; one of the food component in it is 

1. lactose which is indigestible

2. starch which does not get digested

3. cellulose which is digested by intestinal cellulos

4. DNA which gets digested by pancreatic DNAase

Calcium deficiency occurs in the absence of vitamin

1. D

2. C

3. E

4. B

In man the zymogen or chief cells are mainly found in 

1. cardiac part of stomach

2. pyloric part of stomach

3. duodenum

4. fundic part of stomach

Which part of body secretes the hormone secretin ?

1. Oesophagus

2. Duodenum

3. Stomach

4. lleum