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Nitrogen Fixation and Photosynthesis

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

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

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Nitrogen Fixation and Photosynthesis
In the presence of carbon monoxide, nitrogen fixation

none of these
increases
inhibits
decreases

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Nitrogen Fixation and Photosynthesis
An organism that relies exclusively on pre-synthesized food molecules is

autotrophic
photosynthetic
heterotrophic
prokaryotic

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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
Chlorophyll is associated with

thylakoids
matrix
cristae
stroma

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