LABORATORY REVIEW
CELL RESPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The amount of photosynthesis occurring at each wavelength
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the amount of photons used in photosynthesis
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the amount of chlorophyll in chloroplasts
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the amount of water use in photosynthesis
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Detailed explanation-1: -The action spectrum of photosynthesis is similar to that of the absorption spectrum of chlorophylls. The action spectrum shows the overall rate of photosynthesis at each wavelength of the light.
Detailed explanation-2: -The action spectrum of photosynthesis shows a high light absorption for violet/blue and orange/red and low absorption for green/yellow.
Detailed explanation-3: -The region between 400 nm and 700 nm is what plants use to drive photosynthesis and is typically referred to as Photosynthetically Active Radiation (PAR). There is an inverse relationship between wavelength and quantum energy, the higher the wavelength the lower quantum energy and vice versa.
Detailed explanation-4: -So, the rate of photosynthesis is high in these two regions. It shows maximum activity peak at wavelength (red light) i.e., 660-670 nm, 430-470 nm (blue) and 390-430 nm (violet).