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Monday, 13 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 31:
Which of the following sets is made up of decomposers?
  • A Rhizophus, earthworm and protozoa
  • B Mushroom, rhizophus and bacteria
  • C Bacteria, earthworm and nematodes
  • D Earthworm, sedges and platyhelminthes
View Answer & Explanation
Question 32:
The correct order in a food chain involving the organisms (1)Grasses, (2)Hawks, (3)Snakes, (4)Grasshopper, (5)Lizards is
  • A 1 2 3 4 5
  • B 5 4 3 2 1
  • C 1 4 5 3 2
  • D 3 2 4 5 1
View Answer & Explanation
Question 33:
The organisms with the least number of individuals in a pyramid of numbers are the
  • A Secondary consumers
  • B Tertiary consumers
  • C Primary producers
  • D Primary consumers
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Question 34:
Use the list of biomes below to answer the question below 1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah A biome with a low annual rainfall, few scattered trees within dense layer of grasses and found in Kano and Katsina States
  • A 1
  • B 2
  • C 3
  • D 4
View Answer & Explanation
Question 35:
Use the list of biomes below to answer the question below 1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah A biome where there are many cacti and the small mammals undergo aestivation for long periods is
  • A 1
  • B 2
  • C 3
  • D 4
View Answer & Explanation