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NITROGEN FIXATION AND PHOTOSYNTHESIS

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
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
chloromass
reaction center

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

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

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

Dolichol
Phytol
None of these
Farnesol

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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
7 ATP
18 ATP
25 ATP

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