Loading...

MDCAT (Medical & Dental) Biology: Practice MCQs with Answers

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.

Other MDCAT (Medical & Dental) Biology modes

Sample MDCAT (Medical & Dental) Biology practice questions

  1. 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?

    • A) Escherichia coli
    • B) Tobacco Mosaic Virus
    • C) Streptococcus pneumoniae
    • D) Bacillus anthracis

    Answer: Tobacco Mosaic Virus

  2. Q2. During the assembly of an Adenovirus particle, how many individual protein subunits or capsomeres are required to form its icosahedral capsid?

    • A) 162 capsomeres
    • B) 200 capsomeres
    • C) 210 capsomeres
    • D) 252 capsomeres

    Answer: 252 capsomeres

  3. 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?

    • A) Herpes virus
    • B) T4 Bacteriophage
    • C) Adenovirus
    • D) Polio virus

    Answer: Herpes virus

  4. 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?

    • A) Provirus
    • B) Virion
    • C) Prophage
    • D) Capsid

    Answer: Prophage

  5. 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?

    • A) DNA Polymerase
    • B) Reverse transcriptase
    • C) RNA Polymerase
    • D) Integrase

    Answer: Reverse transcriptase

Frequently asked questions

What are practice Biology MCQs for MDCAT (Medical & Dental)?

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.

How many MDCAT (Medical & Dental) Biology practice questions can I practise?

Imtehan organises MDCAT (Medical & Dental) Biology questions into multiple sets. Start with the sample questions below, then open a set to practise interactively with scoring and explanations.

Is MDCAT (Medical & Dental) Biology practice practice free?

Yes — you can practise MDCAT (Medical & Dental) Biology MCQs for free on Imtehan. Premium unlocks detailed analytics and unlimited mock attempts.

All MDCAT (Medical & Dental) Biology modes · MEDICAL exam guide · MDCAT (Medical & Dental) subjects