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Why is it not necessary to supply nitrog...

Why is it not necessary to supply nitrogenous fertilisers to the leguminous plants?

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Legume crops contain the nitrogen fixing bacteria (Rhizobium spp.) in their root nodules. These bacteria fix atmospheric nitrogen into nitrates for the plant use. Hence, supply of nitrogenous fertilizers to the leguminous crops is not necessary.
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ICSE-MINERAL NUTRITION -TEST YOUR PROGRESS (VERY SHORT ANSWER TYPE QUESTIONS )
  1. Where from do chemoautotrophs derive energy for synthesis of their foo...

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  2. Name the organism that fixes nitrogen in association with Brazilian gr...

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  3. Why is it not necessary to supply nitrogenous fertilisers to the legum...

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  4. Name any two macronutrients and state their importance in plant nutrit...

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  5. Mention the most significant function/role of Azotobacter.

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  6. Mention the most significant function/role of leghaemoglobin

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  7. Name two organisms whose Symbiotic association leads to nitrogen fixat...

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  8. Which two physiological processes provide the FAD and ATP required for...

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  9. In the root nodules of leguminous plants, what is the role off nitroge...

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  10. Name the element which is required for the activity of nitrate reducta...

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  11. A plant requires potassium mainly for?

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  12. The deficiency of which element is responsible for heart rot of beetro...

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  13. Which mineral is required for all phosphorylation reactions?

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  14. What symptoms are shown by plants due to phosphorus deficiency?

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  15. What is chlorosis?

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  16. The deficiency of which element may cause leaf tip bending?

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  17. Name any alga which takes part in nitrogen fiscation.

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  18. Name three plants for which hydroponics can be employed for their comm...

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  19. Which is the most crucial enzyme found in root nodules for Na fixation...

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  20. Name two mineral elements which are highly mobile and two which are re...

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