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Nitrogen Fixation and Photosynthesis

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

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

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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
Algae
Bacteria
Nematodes

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

prokaryotic
photosynthetic
heterotrophic
autotrophic

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

Phytol
None of these
Dolichol
Farnesol

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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
In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

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

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