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Microbes in Human Welfare

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Advanced Botany

Plant Growth and Development
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Ecosystem
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Microbes in Human Welfare
Strategies for Enhancement in Food Production
Molecular Basis of Inheritance
Principles of Inheritance and Variation
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Biological Classification
  1. Which one of the following is non-symbiotic biofertilizer?
    1. Azotobacter
    2. Anabaena
    3. Rhizobium
    4. VAM
Correct Option: A

Azotobacter is a free living nitrogen fixing bacterium, Rhizobium is symbiotic and found in the root nodules of leguminous plants, Anabaena occurs in assoction with Azolla. VAM is vesicular arbuscular mycorrhiza.


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