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JAMB Biology 2023 Objective — Question 16

Question 16 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2023 Objective paper, with the correct answer and a full explanation.

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The organism above (an earthworm) is found in soils rich in

Diagram for question 16
  • A. mud
  • B. sand
  • C. clay
  • D. humusCorrect

Explanation

Earthworms are found in soils rich in humus, since humus is organic matter that serves as their primary food source. (Note: the original scanned booklet did not include the source diagram; the image shown is a representative illustration.)

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