O-LevelBiologyPlant Nutrition5090/11 · May/June 2010 · Q51 Mark
Which signs show that a plant has been grown in a culture solution deficient in magnesium?
Apurple leaves and poor root growth
Bsmall leaves and thin stem
Cwhite upper leaves and normal lower leaves
Dyellow stem and yellow leaves
✓ Correct answer
D: yellow stem and yellow leaves
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