Which of the following is /are examples of brown algae?
a)Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus
b)Chlamydomonas, Volvox, Ulothrix, Spirogyra and Chara
c)Polysiphonia, Porphyra, Gracilaria, Volvox and Gelidium
d)Dictyota, Volvox, Ulothrix, Spirogyra and Chara
1
(a) only
2
(a) and (b) only
3
(a) and (c) only
4
(a), (b) and (d) only