Which polymer is obtained from monomers $3-$Hydroxybutanoic acid and $3-$Hydroxypentanoic acid?

Neoprene is the polymer of a monomer $X$. The $IUPAC$ name of $X$ is

The monomers of $\text{nylon-}2\text{-nylon-}6$ are:

Which of the following is a biodegradable polymer of polyamide class?

$A$ polymer sample contains $3$ molecules of molar mass $10^3$, $3$ molecules of molar mass $500$, and $4$ molecules of molar mass $200$. What is its weight average molecular mass?

Identify the biodegradable polymer from the following.