Nigerian Army University Biu (NAUB) Direct Entry Past Questions and Answers

English Language

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   1. Pick the correct phrase:

   No sooner had he left ___ it started to rain.

   1. that
   2. than (Answer)
   3. but
   4. when

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   2. Choose the option that best completes the sentence:

   The teacher asked the students if they ___ any questions.

   1. has
   2. had (Answer)
   3. have
   4. having

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   3. Choose the correct passive form:

   They are building a new hospital.

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

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   4. Choose the option that best completes the sentence:

   “Had she arrived earlier, she _____ the manager.”

   1. would have seen (Answer - Explanation: This is a third conditional sentence (past unreal condition).)
   2. shall have seen
   3. can see
   4. will have seen

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   5. Choose the word with the correct stress pattern:

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

Mathematics

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   6. Simplify: (3x²)² × x

   1. 9x⁵ (Answer)
   2. 6x⁵
   3. 3x⁵
   4. 9x⁴

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   7. What is the value of x If log⁡₂(x) = 5?

   1. 64
   2. 25
   3. 32 (Answer)
   4. 16

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

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

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   9. Find the 10th term of the AP: 3, 7, 11, …

   1. 43
   2. 45
   3. 41
   4. 39 (Answer)

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    10. Solve:

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

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

NAUB Direct Entry Arts Past Questions

Economics

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

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

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

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

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    13. A perfectly inelastic demand curve is:

    1. Vertical (Answer)
    2. Horizontal
    3. Downward sloping
    4. Upward sloping

Literature in English

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    14. The overall message or central idea in a literary work is the:

    1. Setting
    2. Theme (Answer)
    3. Tone
    4. Plot

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    15. Who is the author of Things Fall Apart?

    1. Wole Soyinka
    2. Chimamanda Adichie
    3. Ngũgĩ wa Thiong’o
    4. Chinua Achebe (Answer)

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    16. The term 'soliloquy' in drama refers to:

    1. A group dialogue
    2. A speech made by a character alone on stage (Answer)
    3. A background narrator’s comment
    4. A conversation between two characters

NAUB Direct Entry Social Science Past Questions

Government

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    17. Who was the first military Head of State in Nigeria?

    1. General Yakubu Gowon
    2. General Aguiyi Ironsi (Answer)
    3. General Murtala Mohammed
    4. General Olusegun Obasanjo

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    18. The 1979 Constitution of Nigeria adopted the:

    1. Confederal system
    2. Presidential system (Answer)
    3. Westminster model
    4. Parliamentary system

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    19. The principle of checks and balances works best in a:

    1. Unitary system
    2. Democratic system (Answer)
    3. Military regime
    4. Federal government

Geography

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    20. The earth rotates from:

    1. South to North
    2. West to East (Answer)
    3. East to West
    4. North to South

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    21. Which layer of the atmosphere contains the ozone layer?

    1. Troposphere
    2. Thermosphere
    3. Stratosphere (Answer)
    4. Mesosphere

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    22. Which instrument is used to measure wind speed?

    1. Barometer
    2. Thermometer
    3. Anemometer (Answer)
    4. Hygrometer

NAUB Direct Entry Science Past Questions

Chemistry

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    23. Which process is used to separate crude oil into its components?

    1. Filtration
    2. Chromatography
    3. Fractional distillation (Answer)
    4. Crystallization

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    24. A compound with molecular formula C₂H₆ is known as:

    1. Ethyne
    2. Ethene
    3. Ethane (Answer)
    4. Methane

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    25. Which allotrope of carbon is the hardest naturally occurring substance?

    1. Diamond (Answer)
    2. Coal
    3. Graphite
    4. Fullerene

Physics

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    26. A body of mass 4kg moves with a velocity of 3m/s. What is its kinetic energy?

    1. 18J
    2. 12J
    3. 6J
    4. 24J (Answer)

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    27. Which of these is used to measure very small currents?

    1. Ammeter
    2. Galvanometer (Answer)
    3. Ohmmeter
    4. Voltmeter

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    28. In which direction does heat travel?

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

Biology

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    29. The movement of molecules from a region of higher concentration to a lower concentration is called:

    1. Osmosis
    2. Active transport
    3. Plasmolysis
    4. Diffusion (Answer)

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    30. The mode of nutrition in fungi is:

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

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

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

Agricultural Science

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    32. The primary aim of agricultural extension is to:

    1. Transfer new farming techniques (Answer)
    2. Sell farm products
    3. Market livestock
    4. Distribute fertilizers

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    33. The main cause of low agricultural productivity in Nigeria is:

    1. Use of fertilizers
    2. Mechanized farming
    3. Traditional farming methods (Answer)
    4. Presence of extension workers

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    34. A gizzard is commonly found in the digestive system of:

    1. Cattle
    2. Poultry (Answer)
    3. Pig
    4. Sheep