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NITROGEN FIXATION AND PHOTOSYNTHESIS

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

nitrogen
calcium
sulphur
iron

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

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

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

elementary carbon
carbon dioxide
none of these
organic compounds

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

stroma
matrix
thylakoids
cristae

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

bacteria
roundworms
moulds
yeasts

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