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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
thylakoids
stroma
matrix

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

organic compounds
carbon dioxide
none of these
elementary carbon

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Nitrogen Fixation and Photosynthesis
During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately

7 ATP
25 ATP
18 ATP
12 ATP

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Nitrogen Fixation and Photosynthesis
Which of the following molecule is produced from the fixation of CO2 in C4 plants?

Pyruvate
Malate
Oxaloacetate
Alpha-ketoglutarate

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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
atmospheric nitrogen
nitrates

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

urea
nitrogen
none of these
ammonia

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