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S

Shiva Ram • 30.44K Points
Instructor I

Q. Which one of the following mineral elements play an important role in biological nitrogen fixation

  • (A) Copper
  • (B) Magnesium
  • (C) Zinc
  • (D) Molybdenum
  • Correct Answer - Option(D)
  • Views: 169
  • Filed under category Microbiology
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