NUMS Preparation Book PDF 2026 (Free Download)

What is in the NUMS book

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

Sample MCQs from the NUMS book

The first 10 questions of model paper 1.

1. Biology

   1. The reactants on which enzyme works are:

   • A. Products
   • B. Metabolites
   • C. Substrates
   • D. Catabolites
   Show answer

   Answer: C, Substrates. See the explanation

2. Chemistry

   2. A buffer solution containing H2CO3 and NaHCO3 is to be prepared to maintain a pH of 7.00. What must be the ratio NaHCO3 in order to realize such a pH if Ka of carbonic HCO3 acid is 4.3 x 10^7?

   • A. 43
   • B. 48
   • C. 0.43
   • D. 4.3
   Show answer

   Answer: D, 4.3. See the explanation

3. Physics

   3. The relation between the decay constant 'λ' and the half-life T12 of a radioactive substance is:

   • A. λ = 1/T1/2
   • B. λ = 0693 T1/2
   • C. λ = T1/2
   • D. λ = 0.693/T1/2
   Show answer

   Answer: D, λ = 0.693/T1/2. See the explanation

4. English

   4. She _ about with the excitement of hearing the news of her sister's wedding.

   • A. Ran
   • B. Jigged
   • C. Talked
   • D. Wept
   Show answer

   Answer: B, Jigged. See the explanation

5. Biology

   5. Hormone inhibin is produced by:

   • A. Hypothalamus
   • B. Pituitary gland
   • C. Prostate
   • D. Sertoli cells
   Show answer

   Answer: D, Sertoli cells. See the explanation

6. Chemistry

   6. Which of the following carboxylic acid is the strongest?

   • A. Dichloroacetic acid
   • B. Chloroacetic acid
   • C. Formic acid
   • D. Acetic acid
   Show answer

   Answer: A, Dichloroacetic acid. See the explanation

7. Physics

   7. An electric charge in uniform motion produces:

   • A. An electric field.
   • B. A magnetic field.
   • C. Both magnetic and electric fields.
   • D. Neither magnetic nor electric fields.
   Show answer

   Answer: C, Both magnetic and electric fields.. See the explanation

8. English

   8. The _ stench of dead animals and plants made Mumtaz ill.

   • A. Putrid
   • B. Purified
   • C. Perturbed
   • D. Purchase
   Show answer

   Answer: A, Putrid. See the explanation

9. Biology

   9. In the human body all the given organs are vestigial except:

   • A. Appendix
   • B. Leg muscles
   • C. Coccyx
   • D. Nictitating membrane
   Show answer

   Answer: B, Leg muscles. See the explanation

10. Chemistry

    10. The atomic masses of elements depend upon:

    • A. Atomic number
    • B. Number of electrons
    • C. Number of isotopes & their abundance
    • D. None of the above
    Show answer

    Answer: C, Number of isotopes & their abundance. See the explanation

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