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Nitrogen Fixation and Photosynthesis

Nitrogen Fixation and Photosynthesis
In the presence of carbon monoxide, nitrogen fixation

inhibits
none of these
increases
decreases

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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

photosynthetic unit
harvesting unit
chloromass
reaction center

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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
Nematodes
Moulds

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Nitrogen Fixation and Photosynthesis
Nitrosomonous and Nitrobacter obtain their carbon for growth from

organic compounds
elementary carbon
carbon dioxide
none of these

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

Alpha-ketoglutarate
Oxaloacetate
Malate
Pyruvate

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

urea
none of these
ammonia
nitrogen

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