O-LevelBiologyPlant Nutrition5090/12 · May/June 2014 · Q51 Mark

What are the signs of magnesium deficiency and nitrogen deficiency in leaves of plants? 1 purple spots on leaves 2 reduced growth of roots 3 reduced growth with loss of leaf colour 4 yellowing of leaves between the veins

A2, 1

B2, 3

C4, 1

D4, 3

✓ Correct answer

D: 4, 3

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Topic: Plant Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2014 Paper 1 Variant 2, question 5.

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