JAMB Biology 2023 Objective — Question 21
Question 21 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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A sample of wet soil of a given weight was heated to constant weight. The loss in weight is due to loss of
- A. water
- B. humus
- C. water and humusCorrect
- D. inorganic matter
Explanation
When a wet soil sample is strongly heated to a constant weight, both the water and the humus (organic matter) in the soil are lost.
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