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प्रश्न
Which one of the following is a free-living bacterial biofertilizer?
पर्याय
Azotobacter
Rhizobium
Nostoc
Bacillus thuringiensis
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उत्तर
Azotobacter
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संबंधित प्रश्न
Give the meaning of the Nif gene.
Name the aquatic fern commonly used in paddy fields as a biofertilizer.
Blue green algae are used as bio fertilizers because they ____________.
Which one of the following is NOT a nitrogen-fixing organism?
Mycorrhiza does not help the host plant in ______.
How do mycorrhizal fungi help the plants harbouring them?
Why are cyanobacteria considered useful in paddy fields?
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
How many statements are true about biofertilizers?
- They are nitrogen fixers.
- They are commercial preparation of live bacteria and fungi.
- Use of biofertilizers is expensive.
- There is only one type of biofertilizer.
- They are classified as inorganic.
What is the structural feature of mycorrhiza that enables enhanced mineral absorption?
