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Practise MDCAT (Medical & Dental) Biology practice MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on mixed practice sets across the full question bank, helping you build accuracy and speed for the actual MDCAT (Medical & Dental) paper.
Q1. A researcher extracts sap from an infected tobacco plant and passes it through a porcelain filter. Which organism would still be present in the filtrate?
Answer: Tobacco Mosaic Virus
Q2. During the assembly of an Adenovirus particle, how many individual protein subunits or capsomeres are required to form its icosahedral capsid?
Answer: 252 capsomeres
Q3. A clinician observes a virus that acquires its outer lipid bilayer from the host cell's nuclear membrane. This characteristic is diagnostic of which viral group?
Answer: Herpes virus
Q4. In a laboratory culture of E. coli, a viral genome integrates into the bacterial chromosome and replicates along with it. What is this integrated viral DNA termed?
Answer: Prophage
Q5. A patient is diagnosed with an RNA virus that uses an enzyme to synthesize a DNA template. Which enzyme is essential for this specific viral replication?
Answer: Reverse transcriptase
Practice Biology MCQs are mixed practice sets across the full question bank. On Imtehan they are grouped into short sets so you can review one topic at a time before moving to timed mocks.
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All MDCAT (Medical & Dental) Biology modes · MEDICAL exam guide · MDCAT (Medical & Dental) subjects