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