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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
Nitrosobacter
Nitrospina
Nitrosococcus

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

matrix
cristae
stroma
thylakoids

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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

12 ATP
25 ATP
18 ATP
7 ATP

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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

photosynthetic unit
harvesting unit
reaction center
chloromass

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

none of these
organic compounds
elementary carbon
carbon dioxide

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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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