Assertion : Water and electrolytes are almost fully absorbed in the large intestine.
Reason : In large intestine,haustral contractions (slow segmenting movements) roll the forming faeces over and over,causing absorption of water and electrolytes.

Which of the following statements is incorrect regarding the human digestive system?

Consider the following statements regarding digestion and absorption in mammals. Identify whether they are true or false and select the correct option accordingly.
$I.$ Both Kupffer's cells and Glisson's capsule are characteristics of the mammalian liver.
$II.$ In dentition,thecodont means that teeth are embedded in the socket of jaw bones.
$III.$ There are three pairs of salivary glands in human beings; out of them,the parotid,situated beneath the tongue,is the smallest salivary gland.
$IV.$ Zymogens (inactive forms of enzymes) are not the secretions of peptic cells.

Which of the following is a protein-energy malnutrition related disorder?

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

$A-$ About $30\%$ of starch is hydrolyzed by salivary amylase (optimum $pH\, 6.8$) in the buccal cavity.
$R-$ The saliva secreted into the oral cavity contains electrolytes $(Na^+, K^+, Cl^-, HCO_3^-)$ and enzymes,salivary amylase and lysozyme.