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NITROGEN FIXATION AND PHOTOSYNTHESIS

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

Nitrospina
Nitrosococcus
Nitrobacter
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

chloromass
photosynthetic unit
reaction center
harvesting unit

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

ammonium salts
nitrates
atmospheric nitrogen
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
Farnesol
Dolichol

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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

18 ATP
25 ATP
7 ATP
12 ATP

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