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Hint: Photosynthesis is a process that is carried out by green plants and some other organisms for the conversion of light energy into chemical energy that is useful to them.
Complete answer:
During photosynthesis pigments play an important role in the absorption of light. These pigments are chlorophylls, carotenoids, etc. each of which absorb light at a particular wavelength. When any of these pigments absorb light it leads to excitation of an electron that takes the electron to a higher energy level from where a series of events takes place that finally leads to the formation of chemical energy.
Absorption spectrum is defined as all the wavelengths of light absorbed by different pigments. Action spectrum in turn includes all the wavelengths that are used for the process of photosynthesis. So by this we can conclude that all the wavelengths of light absorbed by the pigments are not utilised in the process of photosynthesis.
So the correct option is (A) Some wavelengths of light are absorbed by accessory pigment molecules not involved in the photosynthetic process.
Note: Photosynthesis is thus a crucial and complex process governed by important pigments which absorb light at different wavelengths leading to the formation of food and energy that can be utilized for other vital processes and also helps to provide oxygen which is required for survival of all aerobic organisms.
Complete answer:
During photosynthesis pigments play an important role in the absorption of light. These pigments are chlorophylls, carotenoids, etc. each of which absorb light at a particular wavelength. When any of these pigments absorb light it leads to excitation of an electron that takes the electron to a higher energy level from where a series of events takes place that finally leads to the formation of chemical energy.
Absorption spectrum is defined as all the wavelengths of light absorbed by different pigments. Action spectrum in turn includes all the wavelengths that are used for the process of photosynthesis. So by this we can conclude that all the wavelengths of light absorbed by the pigments are not utilised in the process of photosynthesis.
So the correct option is (A) Some wavelengths of light are absorbed by accessory pigment molecules not involved in the photosynthetic process.
Note: Photosynthesis is thus a crucial and complex process governed by important pigments which absorb light at different wavelengths leading to the formation of food and energy that can be utilized for other vital processes and also helps to provide oxygen which is required for survival of all aerobic organisms.
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