Question
Biology Question on Parts of the digestive system
In mammals, the digestion of starch starts from
A
oesophagus
B
mouth
C
duodenum
D
stomach.
Answer
mouth
Explanation
Solution
Saliva comes in mouth and is secreted by the salivary gland, which has ptyalin enzyme that is a starch splitting enzyme. Thus salivary secretion starts digestion of starch in mouth.