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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
Chlorophyll is associated with

stroma
cristae
matrix
thylakoids

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

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

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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?

Algae
Bacteria
Moulds
Nematodes

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

urea
none of these
nitrogen
ammonia

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Nitrogen Fixation and Photosynthesis
A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as

reaction center
photosynthetic unit
harvesting unit
chloromass

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

sulphur
iron
nitrogen
calcium

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