What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
1. Gastric juice will be deficient in chymosin
2. Gastric juice will be deficient in pepsinogen
3. In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin
4. Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
The haemorrhagic disease of new born is caused due to the deficiency of
1. vitamin-A
2. vitamin-B1
3. vitamin-B12
4. vitamin-K
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