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Nitrogen Fixation and Photosynthesis

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

None of these
Dolichol
Phytol
Farnesol

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

moulds
bacteria
roundworms
yeasts

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Nitrogen Fixation and Photosynthesis
A major plant macronutrient found in nucleic acids and proteins is

calcium
sulphur
iron
nitrogen

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Nitrogen Fixation and Photosynthesis
In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

Ribulose-l,5-diphosphate
Ribose-5-phosphate
Erythrose-4-phosphate
Alpha-ketoglutarate

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

nitrogen
urea
ammonia
none of these

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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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