Nigeria Police Academy, Wudil (NPA) Direct Entry Past Questions and Answers

English Language

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   1. Choose the option that best expresses the meaning of the idiom:

   “He kicked the bucket last night.”

   1. He died (Answer)
   2. He travelled unexpectedly
   3. He broke a water container
   4. He lost his temper

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   2. Choose the correct synonym:

   The speaker's speech was captivating

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

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   3. Choose the word that is most nearly opposite in meaning to the underlined word:

   He is known for his loquacity.

   1. Talkativeness
   2. Silence
   3. Reticence (Answer)
   4. Shyness

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   4. Choose the correct passive form:

   They are building a new hospital.

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

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   5. Choose the correct question tag:

   She came early, ___?

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

Mathematics

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   6. A die is thrown once. What is the probability of getting a number less than 4?

   1. ³/₆ (Answer)
   2. ¹/₆
   3. ¹/₂
   4. ⁴/₆

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   7. A circle has an area of 154 cm². What is the radius? (π = 22/7)

   1. 14 cm
   2. 7 cm (Answer - Explanation: Area = πr² → 154 = (22/7) × r² → r² = 49)
   3. 5 cm
   4. 8 cm

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

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

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   9. Solve:

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

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

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    10. Find the derivative:

    If y = 4x³ − 2x + 7, find ^dy/_dx

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

Nigeria Police Academy Direct Entry Science Past Questions

Agricultural Science

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    11. The process of improving the genetic quality of farm animals is known as:

    1. Castration
    2. Cross-breeding (Answer)
    3. Weaning
    4. Incubation

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    12. Soil texture refers to:

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

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    13. Pasture is mainly used for:

    1. Mulching
    2. Decorating the farm
    3. Animal grazing (Answer)
    4. Controlling erosion

Chemistry

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    14. The oxidation number of sulfur in H₂SO₄ is:

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

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    15. The salt formed from the reaction of an acid with a base is called a:

    1. Hydride
    2. Neutral salt (Answer)
    3. Oxide
    4. Nitrate

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    16. Which of the following is a noble gas?

    1. Neon (Answer)
    2. Oxygen
    3. Nitrogen
    4. Hydrogen

Biology

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    17. Which of the following is not a characteristic of living things?

    1. Photosynthesis (Answer)
    2. Growth
    3. Movement
    4. Respiration

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    18. Which of the following organelles is responsible for energy production?

    1. Chloroplast
    2. Ribosome
    3. Nucleus
    4. Mitochondrion (Answer)

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    19. The male reproductive organ in a flower is the:

    1. Stamen (Answer)
    2. Stigma
    3. Ovary
    4. Carpel

Physics

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    20. Which of these quantities is conserved in an inelastic collision?

    1. Neither
    2. Momentum only (Answer)
    3. Both kinetic energy and momentum
    4. Kinetic energy only

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    21. Which of the following quantities is a vector?

    1. Temperature
    2. Speed
    3. Displacement (Answer)
    4. Distance

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    22. Which instrument is used to measure relative humidity?

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

Nigeria Police Academy Direct Entry Social Science Past Questions

Government

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    23. Which of the following is a feature of a federal system of government?

    1. Absence of constitution
    2. Dictatorship
    3. Unitary authority
    4. Division of powers (Answer)

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

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

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

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

Geography

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    26. Which of the following instruments is used in measuring rainfall?

    1. Rain gauge (Answer)
    2. Thermometer
    3. Barometer
    4. Wind vane

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    27. All meridians converge at the:

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

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    28. Lines of latitude are also called:

    1. Parallels (Answer)
    2. Great circles
    3. Longitudes
    4. Meridians

Nigeria Police Academy Direct Entry Arts Past Questions

Literature in English

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

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

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

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

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    31. The setting of a literary work refers to the:

    1. Language of narration
    2. Time and place of the story (Answer)
    3. Main idea of the novel
    4. Plot and theme

Economics

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    32. A perfectly inelastic demand curve is:

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

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    33. What is the primary function of the Central Bank?

    1. Printing newspapers
    2. Controlling inflation (Answer)
    3. Providing foreign aid
    4. Giving loans to individuals

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    34. What is the central problem of economics?

    1. Inflation
    2. Poverty
    3. Unemployment
    4. Choice (Answer)