Question

Which of the following statements is not true for class Phaeophyceae?

• A. Vegetative reproduction takes place by fragmentation.
• B. The protoplast contains, in addition to plastids, a centrally located vacuole and nucleus.
• C. Sexual reproduction may be isogamous, anisogamous or oogamous.
• D. Asexual reproduction by uniflagellate zoospores.

Answer 1

Answer: (D)

Members of class phaeophyceae are commonly called Brown algae. In most brown algae asexual reproduction takes place by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella. In these algae vegetative reproduction takes place gfragmentation while sexual reproduction takes place by isogamy or anisogamy or oogamy.