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Microbes in Human Welfare

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Advanced Botany

Plant Growth and Development
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Ecosystem
Biodiversity and Conservation
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Microbes in Human Welfare
Strategies for Enhancement in Food Production
Molecular Basis of Inheritance
Principles of Inheritance and Variation
Sexual Reproduction in Flowering Plants
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Cell-The Unit of Life
Anatomy of Flowering Plants
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Plant Kingdom
Biological Classification
  1. Azotobacter and Bacillus polymyxa are the examples of
    1. symbiotic nitrogen-fixers
    2. non-symbiotic nitrogen-fixers
    3. ammonifying bacteria
    4. disease-causing bacteria
Correct Option: B

Azotobacter and Bacillus polymyxa are the examples of non-symbiotic nitrogen-fixers.


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