Multiple choice

In a mutualistic relationship, bacteria live in the roots of plants by forming nodules and provide fixed nitrogen to the plant. Which of the following kinds of nodules are found in alfalfa and clover?

  1. Legume nodules

  2. Perennial legume nodules

  3. Angular legume nodules

  4. Frankia

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

Perennial legume nodules are long finger-like nodules, half an inch in diameter. They can be found on alfalfa and clover. These nodules grow mostly around the tap root and live for quite a long time.