MO Preparation Book PDF 2026 (Free Download)

The MO preparation book 2026 is a free PDF of 100 MCQs in one full model paper, drawn in the same subject split as the real Medical Officer Test, with an answer key at the back. No sign-up needed.

100

MCQs

in the book

1

Model papers

100 MCQs each

12

Subjects

real paper split

Free

Price

no sign-up

What is in the MO book

Each model paper carries the same number of MCQs per subject as the real MO paper, so sitting it is a rehearsal of the real thing, not a random worksheet.

Sample MCQs from the MO book

The first 10 questions of model paper 1.

  1. Physiology

    1. In conn's disease, there is an excess of______________?

    • A. Adrenaline
    • B. Aldosterone
    • C. Cortisol
    • D. Noradrenaline
    Show answer

    Answer: B, Aldosterone. See the explanation

  2. Pathology

    2. Erythroblastosis fetalis is a condition seen when there is________________?

    • A. Rh -ve mother and Rh -ve foetus
    • B. Rh -ve mother and Rh +ve foetus
    • C. Rh +ve mother and Rh -ve foetus
    • D. Rh +ve mother and Rh +ve foetus
    Show answer

    Answer: B, Rh -ve mother and Rh +ve foetus. See the explanation

  3. Pharmacology

    3. The antibiotic of choice in patients sensitive to penicillin is___________?

    • A. Erythromycin
    • B. Streptomycin
    • C. Tetracycline
    • D. Chloramphenicol
    Show answer

    Answer: A, Erythromycin. See the explanation

  4. General Anatomy

    4. Visual cortex is present in the_____________?

    • A. Occipital lobe
    • B. Temporal lobe
    • C. Frontal lobe
    • D. Parietal lobe
    Show answer

    Answer: A, Occipital lobe. See the explanation

  5. Biochemistry

    5. Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?

    • A. The hydrolysis of lactose yields glucose and galactose
    • B. The hydrolysis of maltose yields glucose and fructose
    • C. The hydrolysis of sucrose yields only glucose
    • D. All of the above statements are true
    Show answer

    Answer: A, The hydrolysis of lactose yields glucose and galactose. See the explanation

  6. Microbiology

    6. Mesophilic organisms are those that grow best at temperature of______________?

    • A. -20°C to -7°C
    • B. -7°C to + 20°C
    • C. 25°C to 40°C
    • D. 55°C to 80°C
    Show answer

    Answer: C, 25°C to 40°C. See the explanation

  7. English

    7. _ going to sleep, I like to read for half an hour.

    • A. After
    • B. Before
    • C. As soon as
    • D. While
    Show answer

    Answer: B, Before. See the explanation

  8. General Knowledge

    8. World Happiness Index was first time published in year ___?

    • A. 2009
    • B. 2010
    • C. 2012
    • D. 2013
    Show answer

    Answer: C, 2012. See the explanation

  9. Pakistan Studies

    9. Since Inception of Pakistan how many Prime Ministers have completed their tenure till to date?

    • A. 5
    • B. 3
    • C. 1
    • D. Zero ( Nobody )
    Show answer

    Answer: D, Zero ( Nobody ). See the explanation

  10. Pakistan Current Affairs

    10. Federal Budget 18-19, family pension has been increased to Rs ________ from Rs 4,500 previously.

    • A. 5,500
    • B. 6,500
    • C. 7,500
    • D. 8,500
    Show answer

    Answer: C, 7,500. See the explanation

Practise MO online, free

A PDF cannot time you or tell you which chapter is costing you marks. Every MO subject can be practised free on TestUstad, chapter by chapter, with each answer marked as you go.

MO book PDF: common questions

Is the MO preparation book PDF free?

Yes. The MO preparation book 2026 is a free PDF download with no sign-up. It holds 100 MCQs with an answer key.

How many MCQs are in the MO book PDF?

100 MCQs, as one full model paper. Each paper follows the real MO subject split: Physiology 15, Pathology 15, Pharmacology 15, General Anatomy 12, Biochemistry 12, Microbiology 11, English 5, General Knowledge 5, Pakistan Studies 4, Pakistan Current Affairs 3, Islamic Studies 2, Computer Science and IT 1.

Does the MO PDF have answers?

Yes, there is an answer key at the back. Every answer in the key is a link to that question on TestUstad, where the explanation of why the option is right is free to read.

Can I practise MO MCQs online instead of from a PDF?

Yes. Every MO subject can be practised free on TestUstad, chapter by chapter, with each answer marked instantly. Timed full-length MO mock tests are in the MO pack.