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What are the conditions necessary for fi...

What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in `N_2` fixation?

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ASSAM ACADEMIC CENTRE-MINERAL NUTRITION-EXAMPLE
  1. Why is that in certain plants deficiency symptoms appear first in youn...

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  2. How are the minerals absorbed by the plants?

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  3. What are the conditions necessary for fixation of atmospheric nitrogen...

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  4. What are the steps involved in formation of a root nodule?

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  5. Which of the following statements are true? If false, correct them: Bo...

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  6. Which of the following statements are true? If false, correct them: Ev...

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  7. Which of the following statements are true? If false, correct them: Ni...

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  8. Which of the following statements are true? If false, correct them: It...

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  9. Name the radioactive element found in plants growing near nuclear test...

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  10. What is the least concentration of an element that could be detected i...

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  11. Name two macronutrients that plants take from air.

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  12. Why are the elements C, H, O and N called structural elements?

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  13. Name the macronutrient which is a component of all organic compounds, ...

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  14. Name the mineral ion that activates the critical enzymes of photosynth...

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  15. Which element is required by plants in the greatest amount?

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  16. Name two coenzymes that contain sulphur.

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  17. Mention the form in which the following elements are taken in by plant...

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  18. Mention the form in which the following elements are taken in by plant...

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  19. Name two iron-containing proteins involved in electron transport.

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  20. Which component of electron transport contains both iron and sulphur?

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