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Nitrogen Fixation and Photosynthesis

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

nitrogen
calcium
sulphur
iron

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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
Chlorophyll is associated with

stroma
cristae
thylakoids
matrix

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Nitrogen Fixation and Photosynthesis
Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

Nitrosobacter
Nitrobacter
Nitrosococcus
Nitrospina

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

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

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

none of these
nitrogen
urea
ammonia

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