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प्रश्न
What is the principle underlying the use of cyanobacteria in agricultural fields for crop improvement?
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उत्तर
Cyanobacteria are capable of fixing nitrogen with the help of specialised cells called the heterocyst. They enrich soil fertility. Hence BGA’s are used in agricultural fields. E.g. Colonies of Nostoc and Anabaena grow in Paddy fields.
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संबंधित प्रश्न
Explain briefly:
Spore formation is a survival technique not a mode of reproduction in bacteria.
Write short notes on:
Flagellation in bacteria
Differentiate between:
Gram positive and Gram negative bacteria
Differentiate between:
Parasitic and Saprophytic bacteria
Fill in the blank:
Bacteria which cannot live without oxygen is called ______.
Bacteria are very small _______ microorganism.
Write the name of any nitrogen fixing bacteria.
Name the bacteria used in the production of vinegar.
Identify the Archaebacterium
The correct statement regarding Blue green algae is ________.
______ is a bacterial disease and it transmits through contamination of wounds, with the bacteria.
______ is absent in bacteria.
E.coli is an example of ______ bacteria.
The extrachromosomal DNA in bacteria is called ______.
What are chemosynthetic bacteria?
Which one of the following is a symbiotic bacteria?
What is bacteria?
Bacteria reproduces by ______.
Make a list of algae and fungi that have commercial value as source of food, chemicals, medicines and fodder.
