Which of the following statements is not true about polymers?

The condensation reaction of hexamethylenediamine and adipic acid at $553 \ K$ under a nitrogen atmosphere for $4$ to $5$ hours yields which of the following products?

The structure of Neoprene is

Orlon fibres are made up of:

Match List-$I$ (polymer) with List-$II$ (monomer/s) and select the correct option:
| List-$I$ (polymer) | List-$II$ (monomer/s) |
| :--- | :--- |
| $(A)$ Bakelite | $(I)$ $2$-Methyl-$1,3$-butadiene |
| $(B)$ Natural rubber | $(II)$ Glycine + Aminocaproic acid |
| $(C)$ Glyptal | $(III)$ Phenol + formaldehyde |
| $(D)$ Nylon $2$-Nylon $6$ | $(IV)$ Phthalic acid + ethylene glycol |

Artificial silk is