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Rhizobium

Aashish took ...

Question

Aashish took a thin root-section of fenugreek plant and observed it under the microscope after staining. He observed rod-shaped organisms in it. Which of the following microbe did he identify?

A

Lactobacillus

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B

Yeast

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C

Clostridium

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D

Rhizobium

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Solution

The correct option is D Rhizobium
Rhizobium lives in root nodules of leguminous plants and is in a symbiotic relationship with them. It supplies them with nitrogenous compounds and is the source of proteins to them. In return it receives energy in the form of carbohydrates.

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