2023 JAMB Biology Past Questions
Browse the 2023 JAMB 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.
Sample JAMB Biology questions
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- Q12023MEDIUMHistory
The Lyttleton Constitution of 1954 introduced which significant political reform in Nigeria?
- A.A. Introduction of regional autonomy
- B.B. Creation of the Office of the Governor-General✓ Correct
- C.C. Introduction of the federal system
- D.D. Establishment of the Legislative Council
- Q22023MEDIUMIgbo
Choose the correct response to each of the following questions. Kedu maka nne gị?
- A.A. Ha dị mma
- B.B. Ọ dị mma
- C.C. Anyị dị mma✓ Correct
- D.D. Ọ mara mma
- Q32014MEDIUMMathematics
A woman bought a grinder for N60,000. She sold it at a loss of 15%. How much did she sell it?
- A.N53,000
- B.N52,000
- C.N51,000✓ Correct
- D.N50,000
- Q42024MEDIUMBiology
Inbreeding is highly discouraged in humans because it may
- A.increase the death rate of new born
- B.lead to the birth of dwarfs
- C.lead to high rate of competition among offspring
- D.lead to outbreak of hereditary diseases
- Q52017MEDIUMLiterature in English
This question is based on Faceless by Amma Darko What is the reason that caused Odarley's mother to send her away from home?
- A.she chose to go to the street✓ Correct
- B.her mother remarried
- C.she steals her mother things
- D.she wants to poison her boyfriend
- Q62024MEDIUMHausa
Fassara wadannan: Where is the bag?
- A.A. Ina jakar?
- B.B. Ina ludayin?
- C.C. Ina akushin?
- D.D. Ina kwanon?✓ Correct
- Q72010MEDIUMMathematics
For what range of values of x is $\frac{1}{2}$x + $\frac{1}{4}$ > $\frac{1}{3}$x + $\frac{1}{2}$?
- A.x < $\frac{3}{2}$
- B.x > $\frac{3}{2}$✓ Correct
- C.x < -$\frac{3}{2}$
- D.x > -$\frac{3}{2}$
- Q82016MEDIUMGovernment
Lagos was annexed in
- A.A. 1861
- B.B. 1871✓ Correct
- C.C. 1814
- D.D. 1853
- Q92019MEDIUMEconomics
The shape of the production possibility frontier is determined by the_________
- A.law of returns to scale✓ Correct
- B.law of diminishing returns
- C.factors of productions
- D.technology
- Q102023MEDIUMPhysical Education
The capacity to change direction effectively and quickly while maintaining body posture is called ?
- A.A. Power
- B.B. Stamina
- C.C. Agility
- D.D. strength✓ Correct
Other JAMB Biology years
Working multiple years back-to-back is the fastest way to recognise repeating patterns.