Tag: bio-chemistry

Questions Related to bio-chemistry

Entry of food in stomach mechanically stimulates it to produce a hormone named

  1. Progesterone

  2. Secretin

  3. Gastrin

  4. Pancreozymin


Correct Option: C

Cardiac sphincter protects back flow of

  1. Food into oesophagus

  2. Blood into heart

  3. Blood into auricle

  4. Blood into venae cavae


Correct Option: A

Which one provides sliminess to food?

  1. Brunners glands

  2. Goblet cells

  3. Both A and B

  4. Peptic cells


Correct Option: C

In jejunum, enzyme required for digestion of amino acid containing compounds is

  1. Trypsin

  2. Pepsin

  3. Peptidase

  4. Chymotrypsin


Correct Option: C

Which one is a gastrointestinal hormone

  1. Prolactin

  2. GH

  3. Enterokinase

  4. FSH


Correct Option: C

Digestion of carbohydrates occurs in

  1. Buccal cavity

  2. Stomach

  3. Intestine

  4. All the above


Correct Option: D

Which is true about digestion and absorption of food?

  1. 60% starch is hydrolysed by salivary amylase

  2. Oxyntic cells secrete pepsinogen

  3. Chylomicrons are small lipoprotein particles passed in intestine into blood capillaries

  4. Fructose and amino acids area absorbed in intestine with the help of carrier ions of $Na^+$


Correct Option: D

Absorption of glycerol, fatty acids and monoglycerides takes place by

  1. Lymph vessels within villi

  2. Walls of stomach

  3. Colon

  4. Capillaries within villi


Correct Option: A

Gastrin is

  1. Hormone

  2. Enzyme

  3. Nutrient

  4. Digestive secretion


Correct Option: A

Which enzymes are likely to act on the baked potatoes eaten by a man, starting from mouth and as it moves down the alimentary canal

  1. Disaccharidase like maltase lipases nucleases

  2. Salivary amylase pancreatic amylase disaccharidases

  3. Salivary maltase carboxypeptidase trypsinogen

  4. Pancreatic amylase salivary amylase lipases


Correct Option: B