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  9. Q136

UPPSC PCS 2015 · Question 136 of 136

Which one of the following pairs is not correctly matched?

Science

  1. AWool — A protein
  2. BRayon — Modified starchCorrect
  3. CRubber — A natural polymer
  4. DFullerene — An allotrope of Carbon

Answer: B. Rayon — Modified starch

Explanation

Hair, wool, nails and skin are protein-based structural materials and they all have a particular protein, a-keratin, as one of their components. Rayon is a manufactured regenerated cellulose fiber.

Source: selfstudyhistory.com UPPSC Prelims 2015 solved paper (Set B)

← Q135View full paper (136 questions)

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