Q. Consider the following :
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
Correct Answer: (c) All the three
UPSC Prelims 2025 GS Paper's Solution
Explanation :
I. Cigarette butts: Cigarette butts contain cellulose acetate, a type of plastic.
II. Eyeglass lenses: Most modern eyeglass lenses are made from plastic materials such as polycarbonate or CR-39 (plastic polymer).
III. Car tyres: Car tyres contain synthetic rubber, which is a polymer-based plastic material.
Thus, all three items listed contain plastic.