Question

Multiple Choice Questions
1. Which of the following is the monomer unit of polyester?
a) Ester
b) Ethyne
c) Propylene
d) Isoprene
2. The synthetic substitute for wool is
a) polyester
b) acrylic
c) nylon
d) rayon
3. Terrycot is a blend of
a) terylene and wool
b) terylene and cotton
c) wool and acrylic
d) terylene and silk
4. Which of the following is a semi-synthetic fibre?
a) Nylon
b) Acrylic
c) Polyester
d) Rayon
5. The first fully synthetic fibre is
a) terylene
b) nylon
c) acrylic
d) polyester
6. PET is a kind of plastic. PET stands for
a) Polyethylene terephthalate b) Polyethylene terylene
c) Polyethane terephthalate
d) Polyelastic terephthalate
7. Which property of a nylon rope makes it ideal to be used in mountain climbing?
a) Made by synthetic fibre
b) Cheap
c) Higher strength
d) Colourful​

Answer 1

Answer:

ans-1 (b)

ans-2(c)

ans-3(b)

ans-4(a)

ans-5(d)

ans-6(b)

ans-7(c)