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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

thylakoids
stroma
matrix
cristae

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

nitrogen
none of these
urea
ammonia

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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
Organisms capable of converting N2 to NO3 are

yeasts
moulds
bacteria
roundworms

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

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

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

Phytol
Farnesol
Dolichol
None of these

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