Digestion and Absorption

In the wall of alimentary canal, what is the actual sequence from outer to inner

• serosa, longitudinal muscle, mucosa, submucosa

• mucosa, serosa, long muscle

• serosa, long muscle, circular, submucosa, mucosa

• serosa, long muscle, submucosa, mucosa

Teeth of rabbits are :

• thecodont

• diphyodont

• heterodont

• all of these

Bile helps in the digestion of fat through

• emulsification

• alkalinity

• forming micelles

• All of these

Below freezing point, the pepsin

• becomes over activated

• gets destroyed

• remains unaffected

• gets inactivated

Excessive stimulation of vagus nerve in humans may lead to:

• hoarse voice

• peptic ulcers

• efficient digestion of proteins

• irregular contractions of diaphragm

Which one affects liver, muscle and adipose tissue?

• Androgen

• Insulin

• Progesterone

• Glucagon

The true stomach in ruminants where most of digestion takes place is

• rumen

• omasum

• reticulum

• abomasum

Secretion of gastric juice is stimulated by

• pepsin

• gastrin

• renin

• secretin

The amount of bile released in proportion to the amount of:

• fat in meal

• protein in meal

• carbohydrate in meal

• all of the above

Pepsin is inactivated at pH

• below 3

• below 2

• above 5

• above 3