Starch is a polysaccharide (carbohydrate), not a protein.
Which is not a protein?
NEET UG 2023 — Chemistry Organic Chemistry
2023mcqeasy
Which is not a protein?
Official previous-year question
Verified 30 May 2026.
Options
- A
Hemoglobin
- B
Keratin
- C
Starch
- D
Insulin
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