Download App

Mineral Nutrition — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYMineral Nutrition1 Mark
MCQ
Which of the following is a free living aerobic non$-$photosynthetic nitrogen$-$fixer?
  • A
    Rhizobium.
  • ✓
    Azotobacter.
  • C
    Azospirillum.
  • D
    Nostoc.
✓

Answer

Correct option: B.
Azotobacter.
Azotobacter.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Mineral Nutrition→Mineral Nutrition — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Dark reaction in photosynthesis is called so because
→
A simple mechanical tissue devoid of lignin is
→
A system of classification in which a large number of traits are considered, is:
→
Why diffusion alone is not sufficient for facilitating movement of water in plants?
→
Which of the following statement is correct about the gametophytic stage in the alteration of generation with in the life cycle?
→
Which statement is correct for muscle contraction?
→
Kidneys are located in:
→
Interfascicular cambium and cork cambium are formed due to:
→
Alginic acid is obtained from
→
Which of the following cytoplasmic granules contain histamine
→