Which of the following minerals activate the enzymes involved in respiration?
Nitrogen and phosphorus
Magnesium and manganese
Potassium and calcium
Sulphur and iron
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Brown heart disease is due to deficiency of |
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Main function of leghemoglobin is to |
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Most plants obtain their nitrogen from the soil in the form of |
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In an experiment a plant was dried, crushed and heated strongly in a crucible for long. The residue contained |
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One of the following is a nitrogen fixing enzyme |
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Deficiency of mineral nutrients is not responsible for |
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In which of the following is nitrogen not a constituent? |
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Carrier proteins are involved in |
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NPK denotes |
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Phosphorus is a structural element in |
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