Anabaena is associated with the .......... of | vedclass

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(B) $Anabaena$ is a genus of filamentous cyanobacteria that exists as plankton. It is known for its nitrogen-fixing capabilities. In the case of the a

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(B) $Anabaena$ is a genus of filamentous cyanobacteria that exists as plankton. It is known for its nitrogen-fixing capabilities. In the case of the aquatic fern $Azolla$,$Anabaena$ (specifically $Anabaena$ $azollae$) lives in symbiotic association within the cavities of the $Azolla$ leaves. This association is highly beneficial for $Azolla$ as the cyanobacteria provide fixed nitrogen to the plant,allowing it to grow rapidly in nitrogen-poor environments.

Column-$I$	Column-$II$
$(1)$ Psilopsida	$A$. Selaginella
$(2)$ Lycopsida	$B$. Adiantum
$(3)$ Sphenopsida	$C$. Equisetum
$(4)$ Pteropsida	$D$. Psilotum

$Anabaena$ is associated with the .......... of $Azolla$.

Similar Questions

Pteridophytes differ from bryophytes in the presence of ........

Which of the following is an important evolutionary feature of $Selaginella$?

The evolutionary advanced features of $Selaginella$ are:
$(a)$ Heterospory
$(b)$ Endosporic development of gametophyte
$(c)$ Reduced gametophyte
$(d)$ Localization of sporangium-bearing appendages in strobili
$(e)$ Unisexual gametophytes
$(f)$ Fertilization with the help of water

Match the following:

Column-$I$ Column-$II$

$(1)$ Psilopsida $A$. Selaginella

$(2)$ Lycopsida $B$. Adiantum

$(3)$ Sphenopsida $C$. Equisetum

$(4)$ Pteropsida $D$. Psilotum

Identify the pair of heterosporous pteridophytes among the following:

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