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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?

Bacteria
Nematodes
Algae
Moulds

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Nitrogen Fixation and Photosynthesis
What is the metal ligand in chlorophylls?

Manganese (Mn)
Iron (Fe)
Magnesium (Mg)
Copper (Cu)

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

increases
decreases
inhibits
none of these

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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
12 ATP
7 ATP
25 ATP

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

matrix
cristae
thylakoids
stroma

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Nitrogen Fixation and Photosynthesis
Plants absorb nitrates from soil and convert them into

none of these
urea
nitrogen
ammonia

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