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Nitrogen Fixation and Photosynthesis

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

decreases
increases
inhibits
none of these

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

ammonia
none of these
nitrogen
urea

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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
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
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
harvesting unit
reaction center
photosynthetic unit

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

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

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