Which of the following pairs represents biofe | vedclass

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Question

(A) Biofertilizers are organisms that enrich the nutrient quality of the soil. $Azolla$ is a water fern that has a symbiotic association with the nitr

Vedclass · Accepted Answer

Azolla and $BGA$

Vedclass · Answer

(A) Biofertilizers are organisms that enrich the nutrient quality of the soil. $Azolla$ is a water fern that has a symbiotic association with the nitrogen-fixing cyanobacterium $Anabaena$ $azollae$. $BGA$ (Blue-Green Algae) like $Nostoc$ and $Anabaena$ are also well-known biofertilizers that fix atmospheric nitrogen. Therefore,the pair $Azolla$ and $BGA$ represents biofertilizers.

Which of the following pairs represents biofertilizers?

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Which of the following is an example of a biofertilizer?

How do blue-green algae increase the fertility of the soil?

The main sources of biofertilisers are:
$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists

Biofertilizers include:

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