Match List - I with List - II. Choose the correct answer.
Column I
A. Adenine
B. Anthocyanin
C. Chitin
D. Codeine
Column II
I. Pigment
II. Polysaccharide
III. Alkaloid
IV. Purine
Correct answer: A → IV, B → I, C → II, D → III
Solution
Adenine is a purine (double-ringed base in DNA and RNA); anthocyanin is a pigment (secondary metabolite); chitin is a homopolysaccharide of N-acetylglucosamine found in fungal cell walls and arthropod exoskeletons; codeine is an alkaloid (secondary metabolite).
ConceptPrimary and secondary metabolites
Biomolecules in past papers
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