Biology : Digestion and Absorption

Bilirubin and biliverdin are

• enzymes

• bile salts

• bile pigments

• None of these

Muscular movements of alimentarey canal are known as

• peristalsis

• diastole

• systole

• muscles contraction

Pepsin acts in

• basic medium

• acidic medium

• neutral medium

• All of these

Brunner's glands are present in

• duodenum

• oesophagus

• ileum

• stomach

During prolonged fasting, in what sequence are the following organic compounds used up by the body?

• First carbohydrates, next proteins and lastly lipids

• First proteins, next lipids and lastly lcarbohydrates

• First carbohydrates, next fats and lastly proteins

• First fats, next carbohydrates and lastly proteins

The hormone which stimulates constriction of gall bladder

• gastrin

• secretin

• glucagon

• cholecystokinin

Eustachian canal connects

• middle ear with external ear

• middle ear with internal ear

• external ear with internal ear

• pharynx with middle ear

In which of the following, putrefying bacteria is present in?

• Intestine

• Colon

• Stomach

• Liver

Which of the following enzyme digest protein in stomach?

• Trypsin

• Pepsin

• Crepsin

• None of these

Which part of our body secreted the hormone secretin?

• ileum

• stomach

• duodenum

• oesophagus