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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

matrix
cristae
thylakoids
stroma

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Nitrogen Fixation and Photosynthesis
In the presence of carbon monoxide, nitrogen fixation

increases
none of these
inhibits
decreases

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

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

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

elementary carbon
organic compounds
none of these
carbon dioxide

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Nitrogen Fixation and Photosynthesis
The chief source of nitrogen for green plants is

ammonium salts
low molecular weight- organic nitrogenous compound
atmospheric nitrogen
nitrates

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Nitrogen Fixation and Photosynthesis
Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?

Algae
Bacteria
Moulds
Nematodes

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