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Friday, 14 August 2026
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Biology Past Questions and Answers

Topic: Inorganic

Jamb Biology Questions - Inorganic

Question 6:
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 7:
Which of the following is a nitrogen-fixing blue-green algae of soil?
  • A Rhizobium
  • B Nitrosomonas
  • C Clostridium
  • D Anabaena
View Answer & Explanation