Biomolecules and Chemistry in Everyday Life 2 Question 24
27. Match the chemical substances in Column I with type of polymers/type of bond in Column II.
(2007, 6M)
| Column I | Column II | ||
|---|---|---|---|
| A. | Cellulose | p. | Natural polymer |
| B. | Nylon-66 | q. | Synthetic polymer |
| C. | Protein | r. | Amide linkage |
| D. | Sucrose | s. | Glycoside linkage |
Subjective Questions
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Answer:
Correct Answer: 27. $\mathrm{A} \rightarrow \mathrm{p}, \mathrm{s} ; \mathrm{B} \rightarrow \mathrm{q}, \mathrm{r} ; \mathrm{C} \rightarrow \mathrm{p}, \mathrm{r} ; \mathrm{D} \rightarrow \mathrm{s}$
Solution:
- (A) Cellulose - a natural polymer of $\alpha$-D-glucose, linked by glycoside linkage.
(B) Nylon-6, 6-a synthetic polymer of adipic acid and 1,6-diaminohexane. The diacid is linked with diamine through amide linkage.
(C) Protein - a natural polymer of $\alpha$-amino acids where individual amino acid units are linked by amide linkage.
(D) Sucrose —has glycoside linkage, a disaccharide.
