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When is a mineral element considered tox...

When is a mineral element considered toxic in plant nutrition?

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ASSAM ACADEMIC CENTRE-MINERAL NUTRITION-EXAMPLE
  1. Name two elements that are immobile in plants.

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  2. Name two elements that are mobile in plants.

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  3. When is a mineral element considered toxic in plant nutrition?

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  4. Why are the symptoms of toxicity difficult to identify?

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  5. What are ion-channels?

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  6. Why are majority of plant nutrient elements are called mineral nutrien...

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  7. Name the element which is a limiting nutrient for both natural and agr...

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  8. What is meant by nitrogen fixation?

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  9. Name the first stable product of nitrogen fixation.

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  10. Name two factors responsible for the formation of oxides of nitrogen i...

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  11. Name an anaerobic nitrogen-fixing bacterium.

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  12. Name the plant with which Frankia makes symbiotic association in the r...

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  13. What does 'leg' in leghaemoglobin refer to?

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  14. A farmer adds Azotobacter culture to soil before sowing maize. Which m...

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  15. Write the equation of the reaction in biological nitrogen fixation.

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  16. How many molecules of ATP are needed to produce one molecule of ammoni...

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  17. What is the function of glutamate dehydrogenase?

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  18. Name the amino acid mainly involved in transamination reactions.

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  19. Name the two amino acids involved in the formation of amides in plants...

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  20. Name two organic forms of nitrogen that are transported through xylem.

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