MCQ Collection
MDCAT 2026 MCQs
Practice MDCAT 2026 questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: A. Secondary alcohol
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: A. Join surfaces through interfacial attraction and cohesion
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
Choose an option to check your answer.
Correct Answer: B. Tollens’ reagent
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: B. Ability to absorb visible light and bind to material
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
Choose an option to check your answer.
Correct Answer: C. They have less steric and electron-donating alkyl effect
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: C. Conjugated chromophore
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
Choose an option to check your answer.
Correct Answer: D. Ethanoic acid
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: D. Their active sites complement particular substrates
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
Choose an option to check your answer.
Correct Answer: A. Acyl chloride
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: A. Hemoglobin
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
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Correct Answer: B. Carboxylic acid and alcohol
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: B. Collagen
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
