O-LevelBiologyPlant Nutrition5090/12 · Oct/Nov 2016 · Q61 Mark

A growing plant is regularly watered with a solution. The composition of the solution is changed after which the plant's leaves become yellow in colour. How can this problem be corrected?

Aadding amino acids to the solution

Badding magnesium ions to the solution

Cbubbling carbon dioxide through the solution

Dbubbling oxygen through the solution

✓ Correct answer

B: adding magnesium ions to the solution

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Topic: Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 6.

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