Animal Digestion and Nutrition

What is the first step of digestion?

• Mastication

• Peristalsis

• Prehension

• Absorption

The enzymes present in the saliva convert

• (a) fats into fatty acids and glycerol.

• (b) starch into simple sugars.

• (c) proteins into amino acids.

• (d) complex sugars into simple sugars.

. Cud is the name given to the food of ruminants which is

• (a) swallowed and undigested.

• (b) swallowed and partially digested.

• (c) properly chewed and partially digested.

• (d) properly chewed and completely digested.

Water from the undigested food is absorbed mainly in the

• (a) stomach

• (b) foodpipe

• (c) small intestine

• (d) large intestine

Bile juice is stored in

• (a) liver

• (b) pancreas

• (c) gall bladder

• (d) stomach

What is assimilation?

• The movement of nutrients into the cells

• The movement of nutrients into the blood

• The breaking down of large molecules into smaller molecules

• The movement of food down the alimentary canal

Tags

NGSS.MS-LS1-7

This animal has molars. What role do molars have in digestion?

• grind tough materials

• tear off food

• snip and rip food

______________________: Nutrients passing into the blood stream of animals

• Ingestion

• Digestion

• Absorption

• Elimination

_________________ animals have a stomach with only one compartment.

• Monogastric

• Ruminant

_________________ animals has a stomach divided into three or four chambers.

• Monogastric

• Ruminant