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

All three items contain synthetic polymers: cigarette butts are primarily made of cellulose acetate, modern eyeglass lenses are typically composed of polycarbonate or CR-39, and car tyres contain a significant percentage of synthetic rubber (styrene-butadiene). Option (B) is the most tempting incorrect choice because many candidates mistakenly assume eyeglass lenses are still made of glass or that tyres consist solely of natural rubber. The core concept tested is the ubiquity of plastics and synthetic polymers in everyday consumer goods, which serves as a major source of environmental microplastic pollution.