NEET PG DENTAL EXAM

HISTOLOGY

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where does the digestion of starch begin?
A
oesophagus
B
small intestine
C
stomach
D
mouth
Explanation: 

Detailed explanation-1: -The digestion of starch starts in the mouth. Salivary amylase present in the saliva breaks down carbohydrates like starch into simpler units called maltose.

Detailed explanation-2: -Carbohydrate digestion begins in the mouth with the mechanical action of chewing and the chemical action of salivary amylase. Carbohydrates are not chemically broken down in the stomach, but rather in the small intestine.

Detailed explanation-3: -Answer and Explanation: In monogastric animals, the digestion of starch and glycogen initiates in the oral cavity. The ptyalin acts on starch and converts into maltose.

Detailed explanation-4: -The digestion of starch takes place in the mouth. The saliva secreted in the mouth breaks down the starch into sugars. Hence, the digestion of starch doesn’t start in the stomach.

There is 1 question to complete.