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

English Language

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   1. Choose the word with the correct stress pattern:

   1. ´advice (Answer)
   2. ad´vice
   3. advise´
   4. ´advise

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   2. Choose the word that has the same sound as the underlined letters:

   “Tough”

   1. Rough (Answer)
   2. Though
   3. Dough
   4. Cough

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   3. Identify the grammatical error in the sentence:

   Each of the boys were given a gift.

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

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   4. Choose the correct spelling:

   1. Recomand
   2. Recomend
   3. Recommend (Answer)
   4. Recommed

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   5. Select the word that best completes the sentence:

   He speaks French as if he ___ in France.

   1. has lived
   2. lived (Answer)
   3. lives
   4. is living

Mathematics

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   6. Solve:

   If x² − 5x + 6 = 0, find the roots.

   1. 3 and 2 (Answer)
   2. 1 and 5
   3. 6 and -1
   4. -2 and -3

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   7. Find the derivative:

   If y = 4x³ − 2x + 7, find ^dy/_dx

   1. 8x² − 1
   2. 12x² − 2 (Answer)
   3. 4x² − 2
   4. 3x² − 2

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   8. A car travels 180 km in 3 hours. What is its average speed?

   1. 60 km/hr (Answer)
   2. 30 km/hr
   3. 50 km/hr
   4. 90 km/hr

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   9. Simplify: 2x−3(2x−4)=5

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

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    10. Simplify: 2³ x 2⁴

    1. 2¹
    2. 8 x 16
    3. 2⁷ (Answer)
    4. 2¹²

Nigerian Defence Academy Direct Entry Arts Past Questions

Economics

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    11. Money serves as a measure of value because:

    1. It is durable
    2. It is visible
    3. It has intrinsic value
    4. It facilitates comparison (Answer)

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    12. The market structure where there are many buyers and sellers is:

    1. Monopoly
    2. Duopoly
    3. Oligopoly
    4. Perfect competition (Answer)

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    13. Terms of trade is defined as the ratio of:

    1. Exports to imports (Answer)
    2. Imports to exports
    3. GDP to exports
    4. Imports to GNP

Literature in English

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    14. When a character speaks to the audience while other characters pretend not to hear, it is called:

    1. Monologue
    2. Soliloquy
    3. Dialogue
    4. Aside (Answer)

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    15. An exaggerated statement not meant to be taken literally is called:

    1. Irony
    2. Metonymy
    3. Hyperbole (Answer)
    4. Personification

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    16. A literary work that ridicules human folly with the aim of correction is called:

    1. Satire (Answer)
    2. Irony
    3. Allegory
    4. Parody

Nigerian Defence Academy Direct Entry Science Past Questions

Physics

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    17. In which direction does heat travel?

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

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    18. A sound wave travels through air with a speed of 340 m/s and frequency of 170 Hz. What is its wavelength?

    1. 2 m (Answer)
    2. 0.5 m
    3. 3 m
    4. 5 m

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

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

Agricultural Science

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    20. The branch of agriculture that deals with animal rearing is called:

    1. Forestry
    2. Horticulture
    3. Agronomy
    4. Animal husbandry (Answer)

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    21. An example of a fungal disease of crops is:

    1. Mosaic
    2. Blight
    3. Rust (Answer)
    4. Wilt

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    22. Soil texture refers to:

    1. Soil colour
    2. Size of soil particles (Answer)
    3. Soil pH
    4. Organic content

Biology

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    23. The part of the plant that develops into a fruit is the:

    1. Style
    2. Anther
    3. Ovary (Answer)
    4. Petal

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    24. A group of similar cells performing the same function is called a:

    1. System
    2. Tissue (Answer)
    3. Organism
    4. Organ

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    25. The part of the brain responsible for coordination and balance is the:

    1. Cerebellum (Answer)
    2. Hypothalamus
    3. Medulla
    4. Cerebrum

Chemistry

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    26. Which of these is an exothermic process?

    1. Combustion of fuel (Answer)
    2. Boiling of water
    3. Evaporation of alcohol
    4. Melting of ice

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    27. The oxidation number of sulfur in H₂SO₄ is:

    1. +4
    2. +2
    3. 0
    4. +6 (Answer)

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    28. Which of the following is a reducing agent?

    1. NaCl
    2. CO₂
    3. H₂ (Answer)
    4. HCl

Nigerian Defence Academy Direct Entry Social Science Past Questions

Geography

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    29. Which of the following is a non-renewable natural resource?

    1. Forest
    2. Solar energy
    3. Wind
    4. Coal (Answer)

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    30. The compass direction between North and East is:

    1. Northeast (Answer)
    2. Southwest
    3. Southeast
    4. Northwest

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    31. Which of the following is a volcanic mountain?

    1. Atlas
    2. Cameroon Mountain
    3. Drakensberg
    4. Kilimanjaro (Answer)

Government

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    32. Which of the following is not a function of political parties?

    1. Presenting candidates
    2. Conducting elections (Answer)
    3. Forming government
    4. Educating voters

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    33. The theory of separation of powers was popularized by:

    1. Baron de Montesquieu (Answer)
    2. John Locke
    3. Thomas Hobbes
    4. Jean Bodin

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    34. In a parliamentary system, the head of government is the:

    1. Prime Minister (Answer)
    2. President
    3. Governor
    4. King