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NITROGEN FIXATION AND PHOTOSYNTHESIS

Nitrogen Fixation and Photosynthesis
A major plant macronutrient found in nucleic acids and proteins is

sulphur
nitrogen
calcium
iron

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Nitrogen Fixation and Photosynthesis
What is the metal ligand in chlorophylls?

Manganese (Mn)
Iron (Fe)
Magnesium (Mg)
Copper (Cu)

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Nitrogen Fixation and Photosynthesis
Nitrosomonous and Nitrobacter obtain their carbon for growth from

elementary carbon
none of these
carbon dioxide
organic compounds

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
stroma
thylakoids
matrix

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Nitrogen Fixation and Photosynthesis
Organisms capable of converting N2 to NO3 are

bacteria
roundworms
yeasts
moulds

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