2025 JAMB Biology Past Questions
Browse the 2025 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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- Q12020MEDIUMHistory
Ethiopia's lowlands and high plateau protected the country from ___________
- A.A. external invasion
- B.B. internal conflict
- C.C. wild jungle animal
- D.D. relation with other African nation✓ Correct
- Q22020MEDIUMEnglish
This question is based on Bolaji Abdullahi's Sweet Sixteen KOTL means ___________
- A.Kiss on the lips✓ Correct
- B.Kiss on the lab
- C.kiss on-top the lips
- D.Kiss on-top the legs
- Q32018MEDIUMMathematics
Find the equation of the tangent at the point (2, 0) to the curve y = x$^2$ - 2x
- A.y = 2x - 4
- B.y = 2x + 4
- C.y = 2x - 2
- D.y = 2x + 2✓ Correct
- Q42025MEDIUMLiterature in English
This question is based on Alex Agyei-Agyiri's Unexpected Joy at Dawn The temporal setting of the novel is in
- A.1980s Ghana and 1960s Nigeria
- B.1960s Nigeria and 1980s Ghana✓ Correct
- C.1960s Ghana and 1980s Nigeria
- D.1940s Ghana and 1960s Nigeria
- Q52020MEDIUMAgricultural Science
Which of the following activities is correct about agricultural extension agent?
- A.A. teaching farmers the management of exotic breeds of animals and crops
- B.B. educating farmers on the use of improved inputs and techniques in agriculture
- C.C. training school leavers to become professional farmers
- D.D. encouraging graduates to take up agriculture as a profession✓ Correct
- Q62023MEDIUMAgricultural Science
What are the primary benefits of agricultural extension services?
- A.A. Preservation of traditional farming practices
- B.B. Enhanced knowledge and skills of farmers✓ Correct
- C.C. Increased crop diversity and yield
- D.D. Improved market access for agricultural products
- Q72023MEDIUMBiology
Which of the following is NOT a part of the alimentary canal?
- A.Oesophagus
- B.Large intestine
- C.Liver✓ Correct
- D.Small intestine
- Q82018MEDIUMBiology
The four classes of cnidarian include the following except
- A.Turbellaria
- B.Anthozoa
- C.Scyphozoa✓ Correct
- D.cubozoa
- Q92025MEDIUMChemistry
The fractions of crude oil are best separated by
- A.steam distillation✓ Correct
- B.fractional crystallization
- C.precipitation
- D.fractional distillation
- Q102010MEDIUMBiology
The dominant phase in the life cycle of a fern is the?
- A.prothallus
- B.sporophyte
- C.antheridium✓ Correct
- D.gametophyte
Other JAMB Biology years
Working multiple years back-to-back is the fastest way to recognise repeating patterns.