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MODEL PAPER 4 — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 41 Mark
MCQ
Nitrogen fixation is performed by:
  • A
    Blue-green algae and bacteria
  • B
    Green algae and fungi
  • C
    Legumes and cereals
  • D
    Ferns and cycads
✓

Answer

(a) : Blue-green algae and bacteria
Explanation: Blue-green algae and bacteria

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