The basal cell of $Ulothrix$ is known as:

$A$: Most of the species of $Chara$ are monoecious but show cross-fertilization.
$R$: The plant body shows protandrous condition.

$A$ research student collected a certain alga and found that its cells contained both chlorophyll $a$ and chlorophyll $d$,as well as phycoerythrin. The alga belongs to:

Which of the following is $NOT$ a component of the algal cell wall?

Which of the following organisms exhibits a haplontic life cycle?

Storage bodies,pyrenoids in the chloroplast contain