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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
BGA is known as a best biofertilizer for:
  • A
    Wheat
  • B
    Gram
  • C
    Mustard
  • D
    Paddy
✓

Answer

  1. Paddy

Explanation:

Blue-green algae or cyanobacteria are photoautotrophic, prokaryotic algae. They are free living nitrogen fixing microorganism. It fixes the atmospheric nitrogen in moist soils. So, BGA has been recommended as a biofertilizer for paddy field. 

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