Home › CBSE Class 11 › Biology › Mineral Nutrition › Which cyanobacterium is a free-living nitrogen f…
Which cyanobacterium is a free-living nitrogen fixer?
AAmoebaena
BAlternaria
CAspergillus
DAnabaena
Answer & Solution
Correct answer: D. Anabaena
1. Nostoc is named beside it.
2. Both are cyanobacteria.
3. It is Anabaena.
_Source: NCERT Class 11 Biology, Ch 12 'Mineral Nutrition'_
Related questions
In nodule formation, rhizobia first colonise and attach to:Which microbe makes nitrogen fixing nodules on non-legumes?Small outgrowths on legume roots are called:Which rod-shaped microbe forms nodules on legume roots?Which is a free-living aerobic nitrogen fixing microbe?Nitrogen fixing microbes may be free-living or:Molybdenum is a component of nitrogenase and:Which elements delay flowering when present at low levels?