Which of the following is not a lipid?
Answer
Starch
The correct answer is Starch — Therefore, the option that is not a lipid is (c) Starch.
Step-by-step solution
- Identify each option: Triglyceride, phospholipid and cholesterol are classic lipids composed mainly of fatty acids.
- Starch is a polysaccharide made of glucose units and belongs to carbohydrates, not lipids.
- Therefore, the option that is not a lipid is (c) Starch.
Common mistake: Confusing polysaccharides with lipids because both are large biomolecules.
Concept tested: Classification of biomolecules
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