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Nitrogen Fixation and Photosynthesis

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

autotrophic
photosynthetic
heterotrophic
prokaryotic

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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

harvesting unit
chloromass
reaction center
photosynthetic unit

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

yeasts
bacteria
roundworms
moulds

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Nitrogen Fixation and Photosynthesis
Which of the following molecule is produced from the fixation of CO2 in C4 plants?

Oxaloacetate
Malate
Alpha-ketoglutarate
Pyruvate

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

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

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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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