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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

cristae
stroma
matrix
thylakoids

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

photosynthetic
heterotrophic
prokaryotic
autotrophic

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Nitrogen Fixation and Photosynthesis
The chief source of nitrogen for green plants is

ammonium salts
atmospheric nitrogen
nitrates
low molecular weight- organic nitrogenous compound

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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

25 ATP
18 ATP
7 ATP
12 ATP

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

Malate
Alpha-ketoglutarate
Oxaloacetate
Pyruvate

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

nitrogen
calcium
sulphur
iron

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