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Nitrogen Fixation and Photosynthesis

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

inhibits
decreases
none of these
increases

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

urea
nitrogen
ammonia
none of these

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

sulphur
calcium
iron
nitrogen

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Nitrogen Fixation and Photosynthesis
Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

Nitrosobacter
Nitrospina
Nitrobacter
Nitrosococcus

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

Pyruvate
Alpha-ketoglutarate
Oxaloacetate
Malate

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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

chloromass
photosynthetic unit
harvesting unit
reaction center

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