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Nitrogen Fixation and Photosynthesis

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

yeasts
bacteria
roundworms
moulds

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

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

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

Oxaloacetate
Alpha-ketoglutarate
Malate
Pyruvate

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

Farnesol
Phytol
Dolichol
None of these

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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
Moulds
Algae
Bacteria

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

iron
sulphur
calcium
nitrogen

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