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Question
Kranz anatomy is not exhibited by which of the following plants?
Kranz anatomy is not exhibited by which of the following plants?
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Solution
The correct option is C Sunflower
Kranz anatomy is observed in C4 grasses like Maize, Sorghum and Sugarcane. This is to reduce the inefficiencies of RuBisCO that can catalyse the reaction with O2 rather than CO2 resulting in photorespiration than photosynthesis. To overcome this, CO2 is first as a four carbon compound and then made available to RuBisCO, This is a spatial and temporal separation of reactions into bundle sheath cells and a ring of mesophyll cells surrounding the bundle sheath. Sunflower has only C3 cycle of photosynthesis and does not exhibit Kranz anatomy.So, the correct answer is 'Sunflower'
Kranz anatomy is observed in C4 grasses like Maize, Sorghum and Sugarcane. This is to reduce the inefficiencies of RuBisCO that can catalyse the reaction with O2 rather than CO2 resulting in photorespiration than photosynthesis. To overcome this, CO2 is first as a four carbon compound and then made available to RuBisCO, This is a spatial and temporal separation of reactions into bundle sheath cells and a ring of mesophyll cells surrounding the bundle sheath. Sunflower has only C3 cycle of photosynthesis and does not exhibit Kranz anatomy.
So, the correct answer is 'Sunflower'
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