JAMB Biology 2011 Objective — Question 43
Question 43 of 60 from the Joint Admissions and Matriculation Board (JAMB) Biology 2011 Objective paper, with the correct answer and a full explanation.
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A sample of wet garden soil of known weight was heated to constant weight. The loss of weight is due to loss of
- A. A. water
- B. B. organic matter
- C. C. water and organic matterCorrect
- D. D. water and inorganic matter
Explanation
Continual heating causes loss of water first; if heating persists to a constant weight, the organic matter (humus) is also burnt off.
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