The botanical name of the sea palm is:

Which are the common photosynthetic pigments found in all algae?

Spirogyra differs from moss protonema in having

Apart from chlorophyll,algae have several other pigments in their chloroplasts. Which pigments are found in blue-green algae $(BGA)$,red algae,and brown algae,that are responsible for their characteristic colours?

In which plant group are the reproductive organs not surrounded by a layer of sterile cells?

In $Ulothrix$,$Spirogyra$,and $Chlamydomonas$,at what stage does meiosis occur?