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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
The main sources of biofertilizers are:
  • A
    Rhizobium like bacteria
  • B
    Cyanobacteria
  • C
    Fungi
  • D
    All of the above
✓

Answer

  1. All of the above

Explanation:

Biofertilizer is a type of fertilizer containing living microorganisms, that enrich the nutrient quality of the soil. The main sources of biofertilizers are bacteria, fungi, and cyanobacteria (blue-green algae). They form a symbiotic relationship with plants, in which the partners derive benefits from each other.

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