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Nitrogen Fixation and Photosynthesis

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

Nitrobacter
Nitrosobacter
Nitrosococcus
Nitrospina

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Nitrogen Fixation and Photosynthesis
Plants absorb nitrates from soil and convert them into

none of these
urea
nitrogen
ammonia

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

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

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

matrix
stroma
thylakoids
cristae

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

increases
decreases
none of these
inhibits

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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
Moulds
Nematodes
Bacteria

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