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Nitrogen Fixation and Photosynthesis

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

moulds
roundworms
bacteria
yeasts

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

nitrogen
ammonia
none of these
urea

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

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

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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
chloromass
photosynthetic unit
harvesting unit

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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?

Moulds
Algae
Nematodes
Bacteria

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

sulphur
calcium
nitrogen
iron

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