Animals that eat their own faecal matter are known as:

Match the following in Column $I$ with Column $II$ and select the correct option:

Column $I$ (Organ)	Column $II$ (Function)
$i$. Liver	$a$. Secretion of glucagon
$ii$. Stomach	$b$. Storage of glycogen
$iii$. Gall bladder	$c$. Secretion of $HCl$
$iv$. Pancreas	$d$. Storage of bile

Which one of the following vitamins can be synthesized by bacteria inside the gut?

Select the correct statement.

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

$A$ healthy person eats the following diet: $5 \, gm$ raw sugar,$4 \, gm$ albumin,$10 \, gm$ pure buffalo ghee adulterated with $2 \, gm$ vegetable ghee (hydrogenated vegetable oil),and $5 \, gm$ lignin. How many calories is he likely to get?