Nutrition and Human Digestive System

• Pepsin

• Trypsin

• Erepsin

All these three enzymes are involved in the breakdown of

• fats

• proteins

• carbohydrates

• fibre

Which of the following process do not take place in the colon of the human body?

• absorption of water

• absorption of minerals

• absorption of fatty acids

• absorption of Vitamin B

Which of the following are true for bile?

I Prepares acid medium for action of enzymes.

II Neutralizes the acids in the stomach.

III Speeds up the digestion of fats.

IV Helps in proteins digestion.

• I and II only

• II and III only

• III and IVonly

• I and IV only

Which of the following is not an example of assimilation?

• Amino acids are used to synthesize the protoplasm of cells.

• Excess glucose is converted to glycogen in the liver.

• The deamination of excess amino acids to form urea.

• Excess of amino acid is converted to glycogen in the liver

Function of parietal cells in gastric gland is to .............

• secrete pepsinogen

• secrete hydrochloric acid

• secrete mucus

• secrete gastric juices

The enzymes secreted by pancreas are pancreatic amylase, lipase and ..............................

• erepsin

• trypsin

• maltase

• sucrase

Fatty acids and glycerol will be absorbed through epithelial cells into ..............

• lacteal

• blood capillaries

The total amount of energy released when one gram of food is oxidised completely is called ...................

• energy value

• energy consumption

• energy output

• energy debt

Which one is not true about function of liver?

• detoxification

• storage of nutrients

• metabolism of digested food

• storage of bile

physical digestion involves chewing and ............

• enzyme reactions

• peristalsis

• decomposition process of complex molecules into simple molecules