Multiple choice

Additional copies of nif genes for increasing nitrogen fixation have been transferred to

  1. bradyrhizobium

  2. rhizoboium

  3. clostridium

  4. both (1) and (2)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nif genes (nitrogen fixation genes) have been transferred to various bacteria to enhance their nitrogen-fixing capabilities, including both Rhizobium and Bradyrhizobium species.