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Question

The function of bacteria present in the root nodules of leguminous plants is:

A
To store food
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B
To perform photosynthesis
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C
To fix the atmospheric nitrogen
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D
To simplify the complex minerals present in the soil
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Solution

The correct option is C To fix the atmospheric nitrogen
The roots of leguminous plants form a symbiotic association with a bacterium, Rhizobium.
The bacteria penetrate the roots and form nodules. They help in the fixation of atmospheric nitrogen by converting it into usable nitrogenous compounds. Thus, the correct answer is option C.

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