Q.

Identify the substances having glycosidic bond and peptide bond, respectively in their structure:   [2020]

1 Chitin, cholesterol  
2 Glycerol, trypsin  
3 Cellulose, lecithin  
4 Inulin, insulin  

Ans.

(4)

Inulin is a polymer of fructose (polysaccharide). In a polysaccharide the individual monosaccharides are linked by a glycosidic bond. While insulin is a polymer of amino acids linked by a peptide bond.