question_answer 15)

  Holdfast, stipe and frond constitutes the plant body in case of (a)Rhodophyceae(b) Chlorophyceae      (c) Phaeophyceae            (d) All of these

Answer:

                  (c) Phaeophyceae In the members of class-Phaeophyceae, the plant body is usually attached to the substratum by a hold fast and has a stalk called stipe and a leaf like photosynthetic organ called frond.