An example of biopolymer is

1. teflon

2. neoprene

3. nylon-66

4. DNA

Buna rubber is a polymer of:

1. 1,3-butadiene.

2. Vinyl acetate.

3. Styrene.

4. None of the above.

Buna-S is a synthetic copolymer of:

1. Styrene and Buta-1,3-diene

2. Styrene and Ethylene

3. 1,3-Butadiene and Ethylene

4. None of the above

Which one of the following is not a condensation polymer?

1. Melamine

2. Glyptal

3. Dacron

4. Neoprene

The example of a thermosetting polymer among the following options is : 

1. 

2. 

3. 

4. 

Gutta parcha rubber is:

1.  Trans-1,4-polyisoprene polymer

2. Thermoplastic

3.  Used to fill a tooth

4. All of the above

Example of addition polymer is:

1. Buna-S

2. Bakelite

3. Nylon-6

4. Melmac

Glyptal or alkyd is polymer of:

1. Ethylene glycol and phthalic acid.

2. Ethylene and phthalic acid.

3. Phthalic acid and acetylene.

4. None of the above.

Polymerisation of chloroethylene gives the polymer:

1. polythene

2. PVC

3. teflon

4. nylon

Monomer of  is 

1. 2-methyl propene

2. styrene

3. propylene

4. ethene