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NITROGEN FIXATION AND PHOTOSYNTHESIS

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

sulphur
calcium
iron
nitrogen

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

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

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

none of these
carbon dioxide
elementary carbon
organic compounds

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

stroma
cristae
matrix
thylakoids

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

roundworms
bacteria
moulds
yeasts

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