Which of the following helps in the absorption of Vitamin-B₁₂?

• Pepsin

• Bile juice

• Castle's intrinsic gastric factor

• Cholecy stokinin

Read the following statements about dentition.

I. Dentistry refers to the study of teeth.

II. Endodontics is the prevention and correction of abnormally aligned teeth.

III. Orthodontics is the treatment of abnormal conditions of tissues immediately surrounding the teeth.

IV. Periodontics is the prevention, diagonsis and treatment of dental diseases.

Choose the correct explanation.

• Only I

• I and II

• II and III

• I, II, III and IV

Pepsin acts in

• basic medium

• acidic medium

• neutral medium

• All of these

Match the column I with column II and choose the correct option.

• A - 3; B - 1; C - 4; D - 2

• A - 2; B - 3; C - 1; D - 4

• A - 1; B - 3; C - 4; D - 2

• A - 2; B - 1; C - 4; D - 3

Muscular movements of alimentarey canal are known as

• peristalsis

• diastole

• systole

• muscles contraction

Brunner's glands are present in

• duodenum

• oesophagus

• ileum

• stomach

Bilirubin and biliverdin are

• enzymes

• bile salts

• bile pigments

• None of these

Which among the following hormone binds to H₂ receptor and stimulates the gastric acid secretion in stomach?

• Gastrin

• Serotonin

• Histamine

• Somatostatin

Marasmus in children is caused by deficiency of

• protein

• fats

• vitamins

• carbohydrates

Chylomicrons are

• micelles covered by a protein coat

• droplets along with triglycerides

• triglycerides along with monosaccharides

• glycerol droplets formed in intestine after digestion of fats