NEET Biology question

Which of the following correctly identifies the role of cyanobacteria such as Nostoc in agriculture?

(A)They act as autotrophic, nitrogen-fixing biofertilisers that also add organic matter to the soilCorrect
(B)They are exclusively pathogenic to crop plants
(C)They are used only to produce antibiotics
(D)They have no documented agricultural application

Answer: (A)

Solution

Cyanobacteria such as Nostoc are autotrophic organisms capable of fixing atmospheric nitrogen and adding organic matter to the

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Question ID VK-124458