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Class 12BiologyMicrobes in Human WelfareBiofertilizer
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The phosphorus-rich fertilizer obtained from sea birds along the coast of Chile and Peru is:

  • A
    Guano
  • B
    Bone meal
  • C
    Dung
  • D
    Urea
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Class 12 Questions

Class 12

Biology Questions

Chapter

Microbes in Human Welfare

Subtopic

Biofertilizer

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