The digestion of which food component is affected if the pancreas is removed?

Which one statement is incorrect regarding the process of digestion and absorption in humans?

Match the following columns regarding the absorption of substances in the human digestive system:

Column-$I$	Column-$II$
$(a)$ Small intestine	$(1)$ Certain drugs
$(b)$ Stomach	$(2)$ Water,some minerals,and drugs
$(c)$ Mouth	$(3)$ Water,simple sugars,and alcohol
$(d)$ Large intestine	$(4)$ Glucose,fructose,and amino acids

Choose the correct sentences.
$(1)$ Electrolytes like $Na^+, K^+, Cl^-, HCO_3^-$ are present in saliva.
$(2)$ Starch is converted into maltose by the help of salivary amylase at $pH \, 6.8$.
$(3)$ The intrinsic factor of the stomach is essential for the absorption of vitamin $B_{12}$.
$(4)$ Di- and monoglycerides are broken down into fatty acids and glycerol by lipases.

Go through the following statements regarding starch digestion. Separate true and false statements and select the correct option accordingly.
$I.$ Digestion of starch starts from the mouth.
$II.$ Around $30 \%$ of the starch is digested in the stomach.
$III.$ Digestion of food requires the action of pancreatic juices.
$IV.$ Digestion of food is completed in the longest part of the alimentary canal.

Which of the following statements is incorrect?