Match the following and choose the correct combination from the options given:

Column-$I$	Column-$II$
$(A)$ Ptyalin	$(1)$ Lipids
$(B)$ Pepsin	$(2)$ Starch
$(C)$ Steapsin	$(3)$ $DNA$
$(D)$ Nuclease	$(4)$ Proteins

If the pancreas is removed,the compounds that remain undigested are

Analogy type questions:
$(1)$ Dental formula of an adult human: $\frac{2123}{2123}$ :: Dental formula of a small child: ..............
$(2)$ Goblet cells: Secretion of mucus :: Oxyntic cells: ............

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.

Match column $I$ with column $II$:

Column $I$ (Component/Process)	Column $II$ (Associated Part/Enzyme)
$(a)$ Bilirubin and biliverdin	$(i)$ Parotid
$(b)$ Hydrolysis of starch	$(ii)$ Bile
$(c)$ Digestion of fat	$(iii)$ Lipases
$(d)$ Salivary gland	$(iv)$ Amylases

Animals that eat their own faecal matter are known as: