1. Tardigrade
  2. Question
  3. Biology
  4. Identify the option that has correct statements regarding biofertilizers. a. Rhizobium and azatobacter are symbiotic microorganisms. b. Azospirullum and blue-green algae are non-symbiotic microorganisms. c. Mycorrhizae is the symbiotic phosphate solubilizing organism. d. Actinomycetes is the non-symbiotic nitrogen-fixing microorganism.

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Q. Identify the option that has correct statements regarding biofertilizers.
a. Rhizobium and azatobacter are symbiotic microorganisms.
b. Azospirullum and blue-green algae are non-symbiotic microorganisms.
c. Mycorrhizae is the symbiotic phosphate solubilizing organism.
d. Actinomycetes is the non-symbiotic nitrogen-fixing microorganism.

NTA AbhyasNTA Abhyas 2020Microbes in Human Welfare

Solution:

Biofertilizers provides the essential elements to the soil and hence maintain or increase the soil fertility. There are numerous microorganisms that fix the nitrogen or utilize phosphate symbiotically or non-symbiotically.