NEET 2020 Biology Paper

Option (4) is the correct answer because Malonate is the competitive inhibitor of catalytic activity of succinic dehydrogenase, so (a) matches with (ii) in column II.
Collagen is proteinaceous in nature and possesses peptide bonds, so (b) matches with (iv) in column II.
Chitin is a homopolymer present in the cell wall of fungi and exoskeleton of arthropods,so, (c) matches with (iii) in column II.
Abrin and Ricin are toxins, secondary metabolites, so (d) in column I matches with (i) in column II.