UPSC Prelims 2025·GS1·geography·ecology and environment

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?

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Last updated 23 May 2026, 3:31 pm IST
  1. AOnly one
  2. BOnly two
  3. CAll the threeCorrect
  4. DNone

Explanation

All three items contain plastic materials: I. Cigarette butts: Yes, cigarette filters are made primarily of cellulose acetate, which is a form of plastic. These filters are one of the most common forms of plastic pollution worldwide. II. Eyeglass lenses: Yes, modern eyeglass lenses are predominantly made from various types of plastic polymers such as polycarbonate, CR-39 (allyl diglycol carbonate), or high-index plastics, rather than traditional glass. III. Car tyres: Yes, car tyres contain synthetic rubber which is essentially plastic polymer, along with natural rubber, steel belts, and various chemical additives. The synthetic rubber component makes up a significant portion of modern tyre composition.
geography: Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?
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