Question

Nitrogen fixing bacteria- anabaena - are found in the plant ______

• A. Azolla leaves
• B. Cycas corolloid roots
• C. Anthoceros body
• D. All of these

Answer 1

The correct option is D All of these

Anabaena are the one type of cyanobacteria, present in the leaves of Azolla, Corolloid roots of Cycas, Anthoceros body. They perform symbiotic Nitrogen fixation.

So the correct option is 'All of these'.