JAMB Biology 2022 Objective — Question 31
Question 31 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2022 Objective paper, with the correct answer and a full explanation.
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31. Which of the following substances must be present in the soil for the growth of a healthy green plant?
- A. (A) carbon
- B. (B) glucose
- C. (C) salts
- D. (D) magnesiumCorrect
Explanation
Magnesium is one of the key elements needed for the formation of chlorophyll and is therefore required for the growth of a healthy green plant.
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