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STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
If wheat field is inoculated with Rhizobium
  • A
    Soil will become nitrogen rich
  • ✓
    No effect on soil nitrogen
  • C
    Soil will be depleted of nitrogen
  • D
    Soil will become rich in calcium
✓

Answer

Correct option: B.
No effect on soil nitrogen
b
(b)Because Rhizobium bacteria live symbiotically in root nodules of legumes and some non-legumes.

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