Biology : 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

Bile helps in the digestion of fat through

• emulsification

• alkalinity

• forming micelles

• All of these

Which of the following represents the dental formula of man?

• $\frac{0.0.3.3}{3.1.3.3}$

• $\frac{2.0.3.3}{1.0.2.3}$

• $\frac{2.1.2.3}{2.1.2.3}$

• $\frac{1.0.0.3}{1.0.0.3}$

A secretion that digests both carbohydrates and proteins is

• ptyalin

• pepsin

• pancreatic juice

• saliva

Food is move along the alimentary canal by the contraction known as

• peristalsis

• epiglottis

• osmosis

• cyclosis

Villi are present in

• large intestine

• small intestine

• colon

• stomach

Fatty acids are absorbed by the

• lacteals

• pylorous

• colon

• capillaries

Hydrochloric acid in the stomach is secreted by some special type of cells called

• peptic cells

• goblet cells

• oxyntic cells

• gastric cells

In horses, rabbits, hares the cellulose gets digested in the

• caecum

• stomach

• appendix

• rumen

The pylorous is the constricted part of the alimentary canal which is situated between

• stomach and duodenum

• oesophagus and stomach

• duodenum and ileum

• ileum and rectum