Certain marine brown algae contain algin, which is commercially important. Algin is a type of:

Carrageenan, a sulfated polysaccharide, is primarily obtained from which algal group?

Which of these algae does NOT contribute significantly to carrageenan production?

An edible rhodophyte is?

Floridean starch has a structure similar to:

Which polysaccharide found in red algae shares structural similarities with amylopectin?

The storage carbohydrate in Rhodophyta is similar in structure to which of the following pairs?

Which algal division is characterized by the presence of a 'peculiar' type of nuclear division and the absence of flagellated stages in its life cycle?