Which of the following compounds is a constituent of the polymer $[HN-CO-NH-CH_2]_n$?

Match List-$I$ with List-$II$.

List-$I$ (Monomer Unit)	List-$II$ (Polymer)
$(a)$ Caprolactum	$(i)$ Natural rubber
$(b)$ $2-$Chloro$-1,3-$butadiene	$(ii)$ Buna$-N$
$(c)$ Isoprene	$(iii)$ Nylon$-6$
$(d)$ Acrylonitrile	$(iv)$ Neoprene

Choose the correct answer from the options given below:

Arrange the following polymers in the decreasing order of their intermolecular forces:
$A$. Bakelite
$B$. Teflon
$C$. Buna-$S$
$D$. Nylon-$6,6$

Which of the following polymers is biodegradable?

Name the polymer used in laminating sheets and give the name of monomeric units involved in its formation.

Choose the correct option$(s)$ from the following:
$(1)$ Natural rubber is polyisoprene containing trans alkene units.
$(2)$ Nylon-$6$ has amide linkages.
$(3)$ Cellulose has only $\alpha-D$-glucose units that are joined by glycosidic linkages.
$(4)$ Teflon is prepared by heating tetrafluoroethene in the presence of a persulphate catalyst at high pressure.