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Nitrogen Fixation and Photosynthesis

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

inhibits
none of these
decreases
increases

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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?

Moulds
Algae
Bacteria
Nematodes

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

matrix
stroma
cristae
thylakoids

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

carbon dioxide
elementary carbon
organic compounds
none of these

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Nitrogen Fixation and Photosynthesis
Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

Nitrosobacter
Nitrosococcus
Nitrospina
Nitrobacter

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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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