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Nitrogen Fixation and Photosynthesis

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

bacteria
roundworms
moulds
yeasts

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Nitrogen Fixation and Photosynthesis
An organism that relies exclusively on pre-synthesized food molecules is

heterotrophic
photosynthetic
prokaryotic
autotrophic

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

ammonia
none of these
urea
nitrogen

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

decreases
increases
inhibits
none of these

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

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

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

carbon dioxide
none of these
organic compounds
elementary carbon

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