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Nitrogen Fixation and Photosynthesis

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

Alpha-ketoglutarate
Oxaloacetate
Pyruvate
Malate

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

ammonia
nitrogen
urea
none of these

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

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

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
thylakoids
stroma
matrix

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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?

Nematodes
Bacteria
Moulds
Algae

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

calcium
sulphur
nitrogen
iron

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