2.22 Mineral ions for plant growth
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Which mineral ion do plants need to make chlorophyll?
(1)Total for this question: 1 mark
2(e) NUTRITION · EXAM QUESTIONS
2.22 Mineral ions for plant growth
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2.22 Mineral ions for plant growth
Exam question
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Which mineral ion do plants need to make amino acids?
(1)Total for this question: 1 mark
2.22 Mineral ions for plant growth
Exam question
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A plant has yellow leaves but grows to a normal height. Which ion is most likely to be deficient?
(1)Total for this question: 1 mark
2.22 Mineral ions for plant growth
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A plant is small with weak stems and older yellow leaves. Which ion is most likely to be deficient?
(1)Total for this question: 1 mark
2.22 Mineral ions for plant growth
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How are mineral ions taken up from dilute soil water into root hair cells?
(1)Total for this question: 1 mark
2.22 Mineral ions for plant growth
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Explain why plants need magnesium ions.
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Total for this question: 2 marks
2.22 Mineral ions for plant growth
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Explain why plants need nitrate ions.
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Total for this question: 2 marks
2.22 Mineral ions for plant growth
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Describe the symptoms of magnesium deficiency in a plant.
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Total for this question: 2 marks
2.22 Mineral ions for plant growth
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Describe the symptoms of nitrate deficiency in a plant.
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Total for this question: 2 marks
2.22 Mineral ions for plant growth
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Explain why a plant lacking magnesium grows slowly.
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Total for this question: 3 marks
2.22 Mineral ions for plant growth
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Explain why a plant lacking nitrate grows slowly.
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Total for this question: 3 marks
2.22 Mineral ions for plant growth
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Explain why farmers add fertilisers to fields.
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Total for this question: 2 marks
2.22 Mineral ions for plant growth
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Explain how mineral ions are taken into the root.
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Total for this question: 3 marks
2.22 Mineral ions for plant growth
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A tomato crop given nitrate fertiliser produced 6.3 kg of fruit per plant. Plants without fertiliser produced 4.2 kg. Calculate the percentage increase in yield.
(2)%Total for this question: 2 marks
2.22 Mineral ions for plant growth
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Wheat yield rose from 5.6 tonnes per hectare to 7.0 tonnes per hectare after adding a nitrate fertiliser. Calculate the percentage increase.
(2)%Total for this question: 2 marks