In the intestine,the $pH$ value is:

The process of digestion is accomplished by $......$ .

In human beings,digestion of carbohydrates starts from the mouth. How much percentage of it is digested in the mouth?

Two friends are eating at a dining table. One of them suddenly starts coughing while swallowing food. This coughing is likely due to the improper movement of which of the following?

In human beings,which of the following parts of the alimentary canal act as the site of initiation of digestion of proteins,fats and carbohydrates,respectively?

Select the correct option for $Amylase$.
$I-$ Acts in the oral cavity at $pH$ $6.8$.
$II-$ Acts in the small intestine at $pH$ $7.8$.
$III-$ Converts polysaccharides into monosaccharides.
$IV-$ $Amylase$ is a hydrolytic enzyme.
$V-$ $Amylase$ also acts as an antibacterial agent.