Vitamin $A$ is synthesized from carotene in the ...... .

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

The enzyme that is not present in succus entericus is

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.

If the pancreas is removed,the compound that remains undigested is . . . . . . .

Assertion : In the condition of obstructive jaundice,large amounts of unabsorbed fats are eliminated out of the body.
Reason : Entry of bile into the small intestine is prevented during obstructive jaundice.