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Saturday, 04 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 26:
The causative agent of typhoid fever is
  • A Salmonella
  • B Entamoeba
  • C Escherichia
  • D Shigella
View Answer & Explanation
Question 27:
Grasses recover quickly from bush fires in the savanna because of their
  • A Perennating organs
  • B Rapid growth rate
  • C Fibrous roots
  • D Succulent stems
View Answer & Explanation
Question 28:
Climax communities in a biotic succession are usually characterized by
  • A A constant change in the appearance of the communities
  • B Different species that are constantly changing
  • C A stable composition of plant and animal species
  • D Rapid changes in the plant and animal species
View Answer & Explanation
Question 29:
The soil type that contain nutrients which are not readily available for plants is
  • A Alluvial
  • B Clayey
  • C Sandy
  • D Loamy
View Answer & Explanation
Question 30:
A population that doubles in size at constant intervals is an indication of
  • A Sigmoid growth
  • B Exponential growth
  • C Population explosion
  • D Rapid growth
View Answer & Explanation