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Question : A very efficient converter of solar energy with net productivity of 2-4kg/m^(2) or more is the crop of:-

Answer»

wheat
sugarcane
rice
bajra

Solution :In `C_(4)`-plants, (e.g. maize, sugarcane, sorgum) OPTIMUM temperature of photosynthesis is `30-45^(@)C`. In `C_(4)`-plants, rate of net photosynthesis in FULL sunlight is (40-80 mg `CO_(2)//dm^(2)//HR`) which is more than the rate of net photosynthesis (15-35 mg `CO_(2)//dm^(2)//hr`) at optimum sunlight in `C_(3)`-plants.


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