How many of the following statements are true | vedclass

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(B) $Azolla$ is a genus of seven species of aquatic ferns in the family $Salviniaceae$.$(a)$ $Azolla$ is a free-floating aquatic fern. (True)$(b)$ It

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$(a)$,$(b)$ and $(c)$ only

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(B) $Azolla$ is a genus of seven species of aquatic ferns in the family $Salviniaceae$.$(a)$ $Azolla$ is a free-floating aquatic fern. (True)$(b)$ It has bilobed leaves,where each leaf consists of a dorsal lobe and a ventral lobe. (True)$(c)$ It has a symbiotic relationship with the cyanobacterium $Anabaena$ $azollae$,which fixes atmospheric nitrogen. (True)$(d)$ It is not a climber; it is a free-floating plant. (False)$(e)$ The dorsal lobe contains the cyanobacteria,while the ventral lobe is thin and lacks Aerenchyma. (False)Therefore,statements $(a)$,$(b)$,and $(c)$ are true.

How many of the following statements are true about $Azolla$?
$(a)$ It is free-floating.
$(b)$ It has bilobed leaves.
$(c)$ It is nitrogen-fixing.
$(d)$ It is a climber.
$(e)$ It has Aerenchyma in the ventral lobe of the leaf.

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How many of the following statements are true about $Azolla$?$(a)$ It is free-floating.$(b)$ It has bilobed leaves.$(c)$ It is nitrogen-fixing.$(d)$ It is a climber.$(e)$ It has Aerenchyma in the ventral lobe of the leaf.