Which component of saliva destroys harmful bacteria?

The duodenum has characteristic Brunner's glands,which secrete .......

Which of the following options best represents the enzyme composition of pancreatic juice?

Crypts of Lieberkühn are present between the bases of villi and they secrete ...

Given below are two statements:
$Statement-I$: Parotid salivary glands are present below the tongue.
$Statement-II$: Sublingual salivary glands are present in front of each ear.
In the light of above statements, choose the most appropriate answer from the options given below:

Which are the types of salivary glands? Give names only.