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Nitrogen Fixation and Photosynthesis

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

Nitrosobacter
Nitrospina
Nitrobacter
Nitrosococcus

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Nitrogen Fixation and Photosynthesis
A major plant macronutrient found in nucleic acids and proteins is

iron
calcium
nitrogen
sulphur

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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
12 ATP
18 ATP
25 ATP

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

stroma
matrix
cristae
thylakoids

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

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

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

carbon dioxide
organic compounds
none of these
elementary carbon

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