The biodegradable polymer obtained by polymerization of glycine and aminocaproic acid is

The alkyd resins are condensation polymers obtained from dibasic acids and

$A$ polymer $X$ is biodegradable and is obtained from the monomers $Y$ and $Z$. What are $Y$ and $Z$?

Which of the following is a thermosetting polymer?

Terylene is a polymer of which components?

Among the following,the correct statement$(s)$ about polymers is(are):
$A$. The polymerization of chloroprene gives natural rubber.
$B$. Teflon is prepared from tetrafluoroethene by heating it with persulphate catalyst at high pressures.
$C$. $PVC$ are thermoplastic polymers.
$D$. Ethene at $350-570 \ K$ temperature and $1000-2000 \ atm$ pressure in the presence of a peroxide initiator yields high density polythene.