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Biological Classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification1 Mark
MCQ
Azotobacter and Bacillus polymyxa are the examples of:
  • A
    Symbiotic nitrogen-fixers.
  • B
    Non-symbiotic nitrogen-fixers.
  • C
    Ammonifying bacteria.
  • D
    Disease-causing bacteria.
✓

Answer

  1. Non-symbiotic nitrogen-fixers.

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