XI - ZOO - CHAP - 5 - Digestive system of man - Mouth

The process of intake of food is called

• a) digestion

• b) ingestion

• c) absorption

• d) assimilation

The absorption of the digested molecules into the blood stream is called

• a) digestion

• b) ingestion

• c) absorption

• d) assimilation

in human, the mouth opens into the --

• a) buccal cavity

• b) pharynx

• c) oesophagus

• d) stomach

Mechanical digestion is initiated in the

• a) mouth

• b) buccal cavity

• c) pharynx

• d) oesophagus

Each tooth is embedded in the socket in the jaw bone. This type of attachment is called --------

• a) thecodont

• b) diphyodont

• c) heterodont

• d) none of these

Presence of two sets of teeth during life time is called

• a) thecodont

• b) heterodont

• c) diphyodont

• d) none of these

The type of teeth used for grinding and crushing are

• a) premolar

• b) molar

• c) canine

• d) incisor

Humans the dental formula is

• a) 2123 / 2123 x 2

• b) 2124 / 2124 x 2

• c) 3112 / 3112 x 2

• d) 2132 / 2132 x 2

Mineral salts may get deposited on the teeth and form a hard layer is called

• a) tartar

• b) calculus

• c) both a and b

• d) gingivitis

The plague may cause inflammation called

• a) tartar

• b) calculus

• c) both a and b

• d) gingivitis