Advertisements
Advertisements
Question
What is the principle underlying the use of cyanobacteria in agricultural fields for crop improvement?
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Which bacteria are rod shaped?
In what form bacteria may be present in the air?
In what respect do you consider bacteria as simple organisms?
State the differences between decay and putrefaction.
Why is it generally advised that every living room in the house should get direct sunlight at least for a short time?
Define the following:
Bacteria
Define the following:
Gram negative and Gram positive bacteria
Explain briefly:
Spore formation is a survival technique not a mode of reproduction in bacteria.
Draw a labelled diagram of a bacterial cell.
Differentiate between:
Gram positive and Gram negative bacteria
The question has four options. Choose the correct answer:
Bacteriology is the study of
Give an account of classification of bacteria based on the shape.
______ is not a shape seen in bacteria.
______ are considered to be the first living organisms on earth.
What is a plasmid?
Which one of the following is a symbiotic bacteria?
Which one of the following is not an antibiotic derived from Bacteria?
Syphilis is caused by ______.
The bacterial cell was covered by a strong cell wall made up of ______.
Citrus canker is caused by which of the following organisms?
