Correct option is A
✅ (a) Sugars: • Polysaccharides are long chains of monosaccharides (simple sugars) linked by glycosidic bonds. • Examples include:
· Starch (glucose units in plants)
· Cellulose (structural polysaccharide)
· Glycogen (animal storage)
❌ (b) RNA: • RNA is a nucleic acid made of nucleotides, not sugars.
❌ (c) Lipids: • Made of fatty acids and glycerol, not sugars.
❌ (d) None of these: • Incorrect, as sugars are the correct building blocks.