#1. Nitrifying bacteria convert
#2. Soil nitrate is more likely to leach than ammonium due to its
#3. Azolla has a symbiotic relationship with
#4. Plants absorb nitrogen as
#5. A primary deficiency is caused by insufficient absorption of
#6. The enzymes required for nitrogen fixation is
#7. Which one is not a micronutrient?
#8. Minerals are absorbed in the form of
#9. Element required in least quantity is ……
#10. Plant ash indicates
#11. Sulphur is an important nutrient for optimum growth and productivity in
#12. A crop plant which can grow in nitrogen deficient soils without external supply of it is
#13. Essential macronutrients are ………….
#14. Nitrogen is an important constituent of …….
#15. Inorganic nutrients are present in the soil as
#16. Exanthema is a result of deficiency of
#17. One mineral activates enzyme catalase and other is constituent of chlorophyll. They are respectively
#18. Function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
#19. Which of the following is macronutrient
#20. enitrification is carried out by …….
#21. Element which is a component of proteinaceous materials and protoplasm is
#22. Active transport occurs
#23. Bacteria that convert ammonia to nitrite belong to
#24. An essential element is that which ……..
#25. Brown heart disease is due to deficiency of
#26. Non-symbiotic nitrogen fixing prokaryote is
#27. Which group of three micronutrient elements affect both photosynthestic nad mitochondrial electron transport?
#28. Which one is essential for root growth?
#29. Chlorosis is caused by deficiency of
#30. Gene responsible for nitrogen fixation is………..
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