Red pigment (leghemoglobin), having affinity for oxygen, is present in the roots of
A
Mustard
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B
Soyabean
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C
Carrot
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D
Radish
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Solution
The correct option is B Soyabean The symbiotic relationship between the plant and the bacterium usually results in the formation of a swollen structure in the root system called as a nodule. Leguminous plants show the presence of nodules. The red pigment in legume nodule is called as leghemoglobin. Soybean belongs to the leguminosae family.