A prokaryotic autotrophic nitrogen fixing symboint is found in:

  • Option 1)

    Alnus

  • Option 2)

    Cycas

  • Option 3)

    Cicer

  • Option 4)

    Pisum

 

Answers (2)

 

Symbotic nitrogen fixing bacteria -

1. Rhizobium - associated with roots of legume plants

2. Azolla (water fern) - associated with Anabaena azollae

3. Coralloid roots of Cycas -associated with Anabaena and Nostoc

-

 

 


Option 1)

Alnus

Incorrect Option

Option 2)

Cycas

Correct Option

Option 3)

Cicer

Incorrect Option

Option 4)

Pisum

Incorrect Option

N neha

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