Azolla enriches rice fields with nitrogen due to its association with [Wardha 2001 ; Chd…
Biology · NEET · NTA Exams — Biological Classification
Azolla enriches rice fields with nitrogen due to its association with [Wardha 2001; Chd. CET 2001; CBSE PMT (Pre.) 2012]
Or
A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
[NCERT Pg. No. 158][CBSE PMT 2004]
Or
A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
[NCERT Pg. No. 158][CBSE PMT 2004]
- Anabaena
- Nostoc
- Rhizobium
- Frankia
Answer
(A) Anabaena
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