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Friday, 02 October 2026
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Biology Past Questions and Answers

Topic: Organisms

Jamb Biology Questions - Organisms

Question 11:
A relationship between living organisms which is of mutual benefit is
  • A Parasitism
  • B Saprophtism
  • C Ecosystem
  • D Symbiosis
  • E Commensalism
View Answer & Explanation
Question 12:
An organism found on a bare rock surface has features of algae and fungi. The organism is
  • A An epiphyte
  • B A lichen
  • C A bryophyte
  • D A fern
View Answer & Explanation
Question 13:
The following organisms are hermaphrodites EXCEPT
  • A Snail
  • B Taenia
  • C Schistosoma
  • D Earth worm
View Answer & Explanation
Question 14:
Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. Protozoa
  • A 4 → 1 → 2 → 3
  • B 4 → 3 → 2 → 1
  • C 4 → 2 → 1 → 3
  • D 4 → 2 → 3 → 1
View Answer & Explanation
Question 15:
Which of the following relationship involves only one organism?
  • A Saprophytism
  • B Commensalism
  • C Parasitism
  • D Symbiosis
View Answer & Explanation