Which of the following microbes produces nitrogen-fixing nodules

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181.

Which of the following microbes produces nitrogen-fixing nodules in non-leguminous plants?

  • Rhizobium

  • Frankia

  • Azotobacter

  • Pseudomonas

  • Pseudomonas


B.

Frankia

Frankia is a genus of nitrogen  fixing, filamentousbactera that live in a symbiosis non- leguminous plants.


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182.

N2 + 8e + 8H+ + 16ATP  2NH3 + H2 + 16ADP + 16 Pi
The above equation refers to

  • Nitrification

  • Reductive amination

  • Denitriofication

  • Transamination

  • Transamination


183.

Thiobacillus is a group of bacteria helpful in carrying out

  • Chemoautotrophic fixation

  • Nitrification

  • Denitrification

  • Nitrogen fixation


184.

Which of the following is used as a best genetic vector in plants?

  • Bacillus thurengiensis

  • Agrobacterium tumifaciens

  • Pseudomonas putida

  • All of the above


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