Select the mismatch.

  • A
    Rhodospirillum - Mycorrhiza
  • B
    Anabaena - Nitrogen fixer
  • C
    Rhizobium - Alfalfa
  • D
    Frankia - Alnus

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Similar Questions

Ammonia provided to crop plants in the form of urea is industrially fixed by . . . . . . .

Select the incorrect statement from the following options.

Which of the following plants are used as green manure in crop fields and in sandy soils?

Which one of the following is a wrong statement?

Assertion $A$: Leguminous plants increase soil fertility.
Reason $R$: Azotobacter fixes atmospheric $N_2$.

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