WAEC Agricultural Science 2022 Objective — Question 9

Question 9 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2022 Objective paper, with the correct answer and a full explanation.

Decomposition of soil organic matter is mainly caused by

A. bacteriaCorrect
B. algae
C. fungi
D. nematodes

Explanation

Bacteria are the most abundant and important microscopic decomposers responsible for breaking down soil organic matter, alongside fungi and other organisms.

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