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Nitrogen Fixation and Photosynthesis

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

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

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Nitrogen Fixation and Photosynthesis
Organisms capable of converting N2 to NO3 are

moulds
yeasts
roundworms
bacteria

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

decreases
inhibits
none of these
increases

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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?

Moulds
Nematodes
Bacteria
Algae

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

Phytol
Farnesol
None of these
Dolichol

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

ammonia
urea
none of these
nitrogen

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