Nigerian Defence Academy (NDA) Direct Entry Past Questions and Answers

English Language

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   1. Which of these is a complex sentence?

   1. I came, I saw, I conquered.
   2. Because it rained, we stayed indoors. (Answer)
   3. She smiled and waved.
   4. He is tall and strong.

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   2. Choose the correct passive form:

   They are building a new hospital.

   1. A new hospital was being built.
   2. A new hospital has been built.
   3. A new hospital is being built. (Answer)
   4. A new hospital was built.

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   3. Identify the grammatical error in the sentence:

   Each of the boys were given a gift.

   1. Each
   2. were (Answer - Correct form: ”was”)
   3. of the boys
   4. a gift

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   4. Choose the correct question tag:

   She came early, ___?

   1. wasn’t she
   2. did she
   3. had she
   4. didn’t she (Answer)

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   5. Choose the correct synonym:

   The speaker's speech was captivating

   1. Fascinating (Answer)
   2. Slow
   3. Boring
   4. Dull

Mathematics

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   6. Convert 1011 (base 2) to base 10.

   1. 9
   2. 12
   3. 11 (Answer)
   4. 10

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   7. Simplify: (3x² - 2x - 5) ÷ (x - 2)

   1. 3x + 4, remainder 3
   2. 3x + 4, remainder -3
   3. 3x - 4, remainder 3
   4. 3x - 4, remainder -3 (Answer)

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   8. Find the area of a triangle with base 6cm and height 4cm.

   1. 12cm² (Answer)
   2. 24cm²
   3. 10cm²
   4. 20cm²

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   9. Simplify: ²/_x + ³/_{x + 1}

   1. ^{5x + 3}/_x(x+1)
   2. ^{2x + 3(x+1)}/_x(x+1) (Answer)
   3. ^{2x + 3x + 3}/_x+1
   4. ^{2(x+1) + 3x}/_x(x+1)

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    10. Simplify: 2x−3(2x−4)=5

    1. x = −2
    2. x = 1
    3. x = 2
    4. x = −1 (Answer)

Nigerian Defence Academy Direct Entry Arts Past Questions

Literature in English

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    11. A play written to be performed on stage is called a:

    1. Epic
    2. Drama (Answer)
    3. Poem
    4. Ode

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    12. Which of the following is an example of a tragic play?

    1. The Gods Are Not to Blame (Answer)
    2. The Lion and the Jewel
    3. Look Back in Anger
    4. She Stoops to Conquer

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    13. The conflict in a drama is best described as the:

    1. Struggle between opposing forces (Answer)
    2. Climax of the story
    3. Role of the narrator
    4. Moral lesson of the play

Economics

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    14. An increase in supply with constant demand leads to:

    1. Decrease in quantity
    2. Increase in demand
    3. Decrease in price (Answer)
    4. Increase in price

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    15. National income is best measured by:

    1. Gross Domestic Product at market prices (Answer)
    2. Price of goods and services
    3. Total revenue of government
    4. Value of imports and exports

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    16. Which of the following is a direct tax?

    1. Company income tax (Answer)
    2. Import duty
    3. Excise duty
    4. Value Added Tax (VAT)

Nigerian Defence Academy Direct Entry Social Science Past Questions

Government

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    17. The tenure of a Nigerian President is:

    1. 4 years (Answer)
    2. 3 years
    3. 5 years
    4. 6 years

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    18. Which political party formed the first government in Nigeria in 1960?

    1. PRP
    2. NPC (Answer)
    3. NCNC
    4. AG

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    19. The rule of law implies:

    1. Equality before the law (Answer)
    2. Separation of powers
    3. Government by majority
    4. The rule of the rich

Geography

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    20. All meridians converge at the:

    1. Tropic of Cancer
    2. Prime Meridian
    3. Equator
    4. Poles (Answer)

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    21. Which vegetation type is most common in the savannah region?

    1. Dense undergrowth
    2. Tall evergreen trees
    3. Scattered trees and grasses (Answer)
    4. Alpine shrubs

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    22. The earth’s shape is best described as:

    1. A rectangle
    2. A flat disc
    3. An oblate spheroid (Answer)
    4. A perfect sphere

Nigerian Defence Academy Direct Entry Science Past Questions

Chemistry

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    23. The gas evolved when zinc reacts with dilute hydrochloric acid is:

    1. Carbon dioxide
    2. Chlorine
    3. Oxygen
    4. Hydrogen (Answer)

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    24. What is the atomic number of sulphur?

    1. 6
    2. 16 (Answer)
    3. 32
    4. 18

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    25. Which of the following is a strong acid?

    1. H₂CO₃
    2. NH₄OH
    3. HCl (Answer)
    4. CH₃COOH

Physics

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    26. In which direction does heat travel?

    1. In a straight line
    2. From cold to hot
    3. From hot to cold (Answer)
    4. Randomly

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    27. A transformer has 200 turns in the primary coil and 1000 turns in the secondary coil. What is the type of transformer?

    1. Power transformer
    2. Step-up (Answer)
    3. Step-down
    4. Equal ratio

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    28. Which of the following is not a unit of energy?

    1. Calorie
    2. Joule
    3. Electronvolt
    4. Newton (Answer)

Agricultural Science

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    29. Green manuring improves soil fertility by:

    1. Making the soil alkaline
    2. Increasing soil erosion
    3. Raising the water table
    4. Adding organic matter (Answer)

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    30. Poultry droppings are rich in:

    1. Potassium
    2. Iron
    3. Magnesium
    4. Nitrogen (Answer)

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    31. The major function of root hairs in plants is to:

    1. Produce hormones
    2. Transport food
    3. Anchor the plant
    4. Absorb water and minerals (Answer)

Biology

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    32. The mode of nutrition in fungi is:

    1. Parasitic
    2. Photosynthetic
    3. Saprophytic (Answer)
    4. Autotrophic

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    33. Which of the following diseases is caused by a virus?

    1. Malaria
    2. Tuberculosis
    3. HIV/AIDS (Answer)
    4. Cholera

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    34. Which of the following diseases is transmitted by a vector?

    1. Cholera
    2. Malaria (Answer)
    3. Influenza
    4. Measles