A nitrogen-fixing microbe associated with Azolla in rice fields is :

A nitrogen-fixing microbe associated with Azolla in rice fields is :

Options

(a) Spirulina
(b) Anabaena
(c) Frankia
(d) Tolypothrix

Correct Answer:

Anabaena

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. G. Mendel used the plant
  2. Energy for nerve conduction is provided by
  3. Of the total incident solar radiation the proportion of PAR is:
  4. Polyribosomes are aggregates of
  5. Human ears perform sensory functionsThese