Category: CSIR NET Life Science Previous Year Questions and Solution on Digestive System

Which one of the following statements is true with regard to drug metabolism? (1) The therapeutic window is simply the range of plasma drug concentrations in which the drug has […]

In one study, a group of 5 day rat pups were fed for 3 weeks a diet A and the pups gained weight by 300%. In a second study, when […]

A person has been suffering from night blindness. On consultation, the doctor advised person to eat carrots and/or cod fish oil. After some time having seen no improvement, doctor gave […]

In which of the following conditions is Basal Metabolic Rate (BMR) the lowest? (1) Awake and resting (2) Prolonged starvation (3) Sleep (4) Higher environmental temperature Basal Metabolic Rate (BMR) […]

Which one is required for vitamin B12 absorption in small intestine? (1) Cobalophilin (2) Hephaestin (3) Hepcidin           (4) Na+-co-transporter Vitamin B12 (cobalamin) absorption in the small intestine is a […]

Which one of the following vitamins is NOT absorbed in the small intestine by Na+ – co-transporters? (1) Thiamine (2) Riboflavin (3) Folic acid (4) Ascorbic acid, Vitamins are essential […]

30. Which one of the following is NOT involved with the absorption of iron in the intestine? (1) Ferroportin 1 (2) Divalent metal transporter (3) Hephaestin (4) Transferrin Iron absorption […]

An elderly person suffering from calcium deficiency was advised to take calcium rich food and to supplement the diet with vitamin D. The absorption of calcium in the intestine was […]

The di- and tripeptides are transported in the enterocytes by peptide transporter l that (1) Na+ (2) Ca++ (3) H+ (4) Cl– The absorption of dietary proteins in the small […]

A person showed the symptoms of diarrhea, gas and pain whenever milk was consumed. The doctor advised the person to take curd instead of milk and subsequently the symptoms mostly […]