Answer:
Option D, Nylon
Explanation:
Polystyrene is made up of polymerization of styrene. It is brittle, stiff and transparent and is widely used in making containers, disposable utensils etc. Thus it is not the correct answer
Polysaccharides are biomolecules made up of polymers of sugars and constitute structural components of cellulose. Thus it is not the correct answer
Polypeptides are chains of amino acids which are biomolecules and thus cannot be the right choice of answer
Nylon, are synthetic polymers which have high melting point and are resistant to abrasion. Thus they are used in ropes and stockings
Hence the correct answer is nylon
