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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
Nitrosococcus
Nitrospina
Nitrosobacter

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

none of these
elementary carbon
carbon dioxide
organic compounds

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

prokaryotic
heterotrophic
photosynthetic
autotrophic

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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
nitrates
atmospheric nitrogen

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Nitrogen Fixation and Photosynthesis
A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as

chloromass
reaction center
harvesting unit
photosynthetic unit

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

decreases
none of these
increases
inhibits

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