Q. Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?

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Q. 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

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Q. The chief source of nitrogen for green plants is

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Q. What type of long chain alcohol is esterified to plant chlorophyll molecules?

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Q. During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately

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Q. Which of the following molecule is produced from the fixation of CO2 in C4 plants?

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Q. Plants absorb nitrates from soil and convert them into

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Q. In the presence of carbon monoxide, nitrogen fixation

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Q. An organism that relies exclusively on pre-synthesized food molecules is

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Q. In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?

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Q. Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?

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Q. A major plant macronutrient found in nucleic acids and proteins is

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Q. What is the metal ligand in chlorophylls?

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Q. Nitrosomonous and Nitrobacter obtain their carbon for growth from

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Q. Chlorophyll is associated with

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Q. Organisms capable of converting N2 to NO3 are

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