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Nitrogen Fixation and Photosynthesis

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
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
photosynthetic unit
harvesting unit
reaction center

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

none of these
inhibits
increases
decreases

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Nitrogen Fixation and Photosynthesis
In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

Ribulose-l,5-diphosphate
Ribose-5-phosphate
Erythrose-4-phosphate
Alpha-ketoglutarate

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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
Which of the following molecule is produced from the fixation of CO2 in C4 plants?

Malate
Pyruvate
Alpha-ketoglutarate
Oxaloacetate

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