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Nitrogen Fixation and Photosynthesis

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

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

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

Nitrosococcus
Nitrobacter
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?

Alpha-ketoglutarate
Pyruvate
Oxaloacetate
Malate

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

none of these
nitrogen
urea
ammonia

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

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

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Nitrogen Fixation and Photosynthesis
What type of long chain alcohol is esterified to plant chlorophyll molecules?

Phytol
None of these
Dolichol
Farnesol

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