Identify the incorrect statement reagrding green algae?
(1) They contain chl a, chl b as well as carotenoids.
(2) The chloroplasts may be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon-shaped in different species.
(3) Most members have one or more storage bodies called pyrenoids located outside the chloroplasts.
(4) They usually have a rigid cell wall made of an inner layer of cellulose and an outer layer of pectose.