Question

Which of the following statements hold true for Rhizobium?

• A. They are rod-shaped.
• B. They are round shaped.
• C. They are nitrogen fixers.
• D. They reside on roots of leguminous plants.

Answer 1

Answer: (A), (C), (D)

The correct options are
A They are rod-shaped.
C They are nitrogen fixers.
D They reside on roots of leguminous plants.

Rhizobium is a bacteria that supplies plants with nitrogenous compounds by fixing them from the atmosphere i.e., they help in nitrogen fixation.They usually reside in the root nodules of leguminous plants and are rod shaped.