$Irish$ moss is a member of ........

The structure of Floridean starch is similar to:

Algae include unicellular forms like $A$,filamentous forms like $B$,and colonial forms like $C$. Here $A, B$,and $C$ refer to:

Which group of plants was the first to exist on Earth?

Which of the following is incorrectly matched?

Which of the following organisms has a cell wall composed of galactans?