by Q. Consider the following:
UPSC Civil Services Examination (Prelims) 2025 – General Studies Paper I
I. Cigarette butts
II. Eyeglass lenses
III. Car tyres
How many of them contain plastic?
(a) Only one
(b) Only two
(c) All the three
(d) None
Answer: (c) All the three
Explanation:
All the listed items contain synthetic polymers:
- Cigarette butts: Cellulose acetate (plastic)
- Eyeglass lenses: Made of polycarbonate
- Car tyres: Contain synthetic rubber, a form of plastic
Answer: (c) All the three
