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NECO 2023

2023 NECO Biology Past Questions

Browse the 2023 NECO Biology past questions with answers and step-by-step explanations. Biology demands precise terminology and careful diagram reading. Successful candidates revise plant and animal physiology, ecology and genetics with active recall — and rehearse the standard practical setups before exam day. Use the year archive below to time yourself the way the actual exam does — most candidates need to work questions across multiple years before the patterns become obvious.

Practice 2023 Biology CBT — FreeAll NECO Biology years

Sample NECO Biology questions

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  1. Q12007MEDIUMMathematics

    Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135°

    1. A.271.5cm2
    2. B.135.8cm2
    3. C.96.0cm2
    4. D.48.0cm2✓ Correct
    5. E.33.9cm2
  2. Q22007MEDIUMEnglish

    Choose from the options lettered A - E the one that contains the sound segment represented by the given phonetic symbol /u:/

    1. A.book✓ Correct
    2. B.choke
    3. C.put
    4. D.rude
    5. E.rug
  3. Q32006MEDIUMEnglish

    Choose from the options lettered A - E the one that is nearest in meaning to the word underlined. My principal gives his candid opinion on every issue brought before him.

    1. A.complete
    2. B.fatherly
    3. C.frank✓ Correct
    4. D.honest
    5. E.vague
  4. Q42006MEDIUMEnglish

    Choose the interpretation that you consider most appropriate of the following questions (Nos 21-30) The President promised not to introduce any belt-tightening measures this year. This means the year will be less stressful

    1. A.culturally✓ Correct
    2. B.Economically
    3. C.educationally
    4. D.politically
    5. E.socially
  5. Q52005MEDIUMEconomics

    Which of the following will NOT bring about an increase in Labour force?

    1. A.A. Better medical services
    2. B.B. Decrease in death rate
    3. C.C. Emigration
    4. D.D. Immigration✓ Correct
    5. E.E. Increase in birth rate
  6. Q62002MEDIUMChemistry

    The green house effect is a climatic condition associated with the presence of excess

    1. A.carbon (II) oxide
    2. B.carbon (IV) oxide
    3. C.hydrogen sulphide✓ Correct
    4. D.nitrogen (II) oxide
    5. E.oxygen
  7. Q72006MEDIUMEnglish

    I have never seen such a_________ dog always in the mood to attack.

    1. A.Carnivorous✓ Correct
    2. B.irritant
    3. C.vexatious
    4. D.vicious
    5. E.voracious
  8. Q82006MEDIUMPhysics

    Heat I. is a form of energy II. is measured with a thermometer III. cannot be created or destroyed IV. from a hot object is transferred through conduction only. Which of the statements above are correct?

    1. A.I and II only✓ Correct
    2. B.I and III only
    3. C.I, II and III only
    4. D.II, III and IV only
    5. E.I, II, III and IV
  9. Q92005MEDIUMGovernment

    During the traditional politics in Nigeria, in which polity was rulership invariably a form of gerontocracy?

    1. A.A. Edo✓ Correct
    2. B.B. Hausa-fulani
    3. C.C. lgbo
    4. D.D. Kanuri
    5. E.E. Tiv
  10. Q102006MEDIUMPhysics

    Which of the statements is/are true of two bodies involved in an inelastic collision? After collision. I. the kinetic energy increases II. The momentum decreases III. Their velocities are the same.

    1. A.I only
    2. B.II Only
    3. C.III only
    4. D.I and II only✓ Correct
    5. E.II and III only
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