Holdfast, stipe and frond constitutes the plant body in case of
(a) Phaeophyceae
(b) All of the above
(c) Rhodophyceae
(d) Chlorophyceae
Ans. The answer is the option (a) Phaeophyceae.
Exp: Members of the class Phaeophyceae are characterized by their unique structure, which typically consists of a holdfast that anchors them to the substrate. They also possess a stalk known as the stipe and a leaf-like photosynthetic organ referred to as the frond. This arrangement plays a crucial role in their growth and adaptability in marine environments.