OPSC OAS 2020 PrelimsScience & TechnologyQuestion 12
Solved previous year question from the OPSC OAS/OCS 2020 Preliminary Examination (General Studies), with the official answer key and a detailed explanation.
Question
Which is NOT a synthetic polymer?
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Answer & Explanation
Correct answer: (D) Resin
- Resin is NOT a synthetic polymer. Natural resin is a naturally occurring substance secreted by plants, particularly coniferous trees like pine. It is a sticky, viscous organic substance that hardens on exposure to air. Natural resins have been used for centuries in varnishes, adhesives, lacquers, and incense.
