OBJECTIVE LIFE SCIENCE
PLANT PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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____ quanta of light is needed for fixation of 6 CO2 molecules.
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8
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12
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48
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6
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Explanation:
Detailed explanation-1: -As we the photosynthesis occur first the electron transport and then the carbon fixation. So to make up the glucose phosphate we will require 6Co2 molecule. So according to the above observation, we will require 6×8=48 photons.
Detailed explanation-2: -Quantum requirements The total number of quanta required, therefore, to transfer the four electrons that result in the formation of one molecule of oxygen via the two light reactions should be four times two, or eight.
Detailed explanation-3: -Updated On: 27-06-2022. Six molecules of CO2 are required to synthesise on emolecule of glucoses each of which undergoes a C3 cycle Hence, 6 molecules of CO2 synthesis a glucose molecule after 6 turns of Calvin cycle.
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