Class 8 Science – Chapter 3
Synthetic Fibres and Plastics
MCQs (Exam Level)
-
Which of the following is a natural fibre?
a) Nylon
b) Polyester
c) Cotton
d) Acrylic
Answer: c) Cotton -
Nylon is synthesised from:
a) Coal
b) Petroleum
c) Wood pulp
d) Natural gas
Answer: b) Petroleum -
Which fibre is also known as artificial silk?
a) Nylon
b) Polyester
c) Rayon
d) Acrylic
Answer: c) Rayon -
Which plastic is used to make electrical switches and handles of utensils?
a) Polythene
b) PVC
c) Bakelite
d) Melamine
Answer: c) Bakelite -
Which of the following plastics cannot be recycled?
a) Thermoplastic
b) Polythene
c) PVC
d) Thermosetting plastic
Answer: d) Thermosetting plastic -
Plastic is harmful for the environment because it is:
a) Strong
b) Lightweight
c) Non-biodegradable
d) Cheap
Answer: c) Non-biodegradable -
Which plastic is commonly used to make kitchenware like plates and bowls?
a) PVC
b) Melamine
c) Bakelite
d) Teflon
Answer: b) Melamine -
Which fibre is used to make sweaters and blankets?
a) Rayon
b) Nylon
c) Polyester
d) Acrylic
Answer: d) Acrylic -
The full form of PVC is:
a) Poly Vinyl Carbonate
b) Poly Vinyl Chloride
c) Poly Vinyl Cellulose
d) Poly Vinyl Chemical
Answer: b) Poly Vinyl Chloride -
Which of the following follows the 4R principle?
a) Burning plastic waste
b) Throwing plastic in rivers
c) Reusing plastic bottles
d) Burying plastic waste
Answer: c) Reusing plastic bottles
✅ These MCQs are useful for school exams, unit tests & competitive exams
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