The nitrogen-fixing symbiotic organism present in $Azolla$ is:
- A$Nostoc$
- B$Anabaena$
- C$Aulosira$
- D$Azospirillum$
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Which of the following is responsible for nitrogen fixation in an aquatic fern?
Leghaemoglobin occurs in
Medium
View SolutionThe relationship between bacteria and legumes having nodulated roots is that of:
Medium
View SolutionAssertion : Leguminous plants are nitrogen fixers.
Reason : Leguminous plants have $Rhizobium$ in their root nodules.
Reason : Leguminous plants have $Rhizobium$ in their root nodules.
MediumAIIMS 1997
View SolutionWhich of the following are the part or example of symbiotic mutualistic association?
$I.$ Yeast
$II.$ Rhizobium
$III.$ Mycorrhiza
$IV.$ Oscillatoria
$I.$ Yeast
$II.$ Rhizobium
$III.$ Mycorrhiza
$IV.$ Oscillatoria
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