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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?

Pyruvate
Malate
Alpha-ketoglutarate
Oxaloacetate

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Nitrogen Fixation and Photosynthesis
During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately

7 ATP
25 ATP
12 ATP
18 ATP

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

calcium
nitrogen
sulphur
iron

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Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
thylakoids
stroma
matrix

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

None of these
Phytol
Farnesol
Dolichol

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Nitrogen Fixation and Photosynthesis
In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

Ribose-5-phosphate
Ribulose-l,5-diphosphate
Alpha-ketoglutarate
Erythrose-4-phosphate

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