Question

Which of the following is TRUE regarding Rhizobium?

Options

• It is a bacterium that contains nod and nif genes.

• It is spore-forming, nitrogen-fixing bacteria.

• It is a non-nodule-forming bacterium.

• It is a Gram-positive bacterium.

Answer 1

It is a bacterium that contains nod and nif genes.

Explanation:

Rhizobium is a bacteria that forms nodules. It's a nitrogen-fixing bacterium that doesn't produce spores. It's a Gram-negative microorganism.