301. Digestion of protein is completed in

A Stomach
B Duodenum
C Ileum
D Duodenum and ileum
Answer :   Duodenum and ileum
Discuss Question

302. Substances which are not related with hepaticportal circulation

A L-Amino acid
B Fatty acid
C Glucose
D Fructose
Answer :   Fatty acid
Discuss Question

303. Ptylin, an enzyme work in saliva in

A Alkaline medium
B Almost Neutral medium
C Acidic medium
D All medium
Answer :   Almost Neutral medium
Discuss Question

304. Rennin acts on

A Milk changing casein into calcium paracaseinate at 7.2 - 8.2 PH
B Proteins in stomach
C Fat in intestine
D Milk changing casein into calcium paracascinate at 1-3 PH
Answer :   Milk changing casein into calcium paracascinate at 1-3 PH
Discuss Question

305. Stomach in vertebrates is the main site for digestion of

A Proteins
B Carbohydrates
C Fats
D Nucleic acids
Answer :   Proteins
Discuss Question

306. Lysozyme that is present in perspiration, saliva and tears, destroys

A certain types of bacteria
B all viruses
C most virus-infected cells
D certain fungi
Answer :   certain types of bacteria
Discuss Question

307. Fluoride pollution mainly affects

A kidney
B brain
C heart
D teeth
Answer :   teeth
Discuss Question

308. Brunner's gland are found in which of the following layers

A Submucosa of stomach
B Mucosa of ileum
C Submucosa of duodenum
D Mucosa of oesophagus
Answer :   Submucosa of duodenum
Discuss Question

309. The function of enterogasterone hormone is

A To control excretion
B To inhibit gastric juice secretion
C Regulate the absorption of food
D To stimulate gastric glands to release gastric juice
Answer :   To inhibit gastric juice secretion
Discuss Question

310. In mammals milk is digested by action of

A Rennin
B Amylase
C Intestinal bacteria
D Invertase
Answer :   Rennin
Discuss Question


Practice More MCQ Question on Biology Section