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Question 28 of 40

Q.Which of the following is a natural polymer?

(a) Polyethylene
(b) Nylon
(c) Protein
(d) Terylene
West Bengal WbchseWest Bengal HS (WBCHSE) Board 2016MCQ· 1mImportance★★★★★
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Protein is the only naturally occurring polymer among the options; the other three are synthetic.

Polymers are classified as natural (occurring in nature — e.g. proteins, starch, cellulose, natural rubber) or synthetic (man-made — e.g. plastics, synthetic fibres).

  • Protein is a natural biopolymer, built from amino-acid monomers joined by peptide bonds, made by living organisms.
  • Polyethylene is a synthetic addition polymer of ethylene. …
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