Which algal division is characterized by the presence of a 'peculiar' type of nuclear division and the absence of flagellated stages in its life cycle?
Chlorophyta
Phaeophyta
Rhodophyta
Xanthophyta
Related Questions
Algae have cell wall made up of
Cellulose, galactans and mannans
Hemicelluloses, pectins and proteins
Pectins, cellulose and proteins
Cellulose, hemicelluloses and pectins
The cell wall of Phaeophyceae is primarily composed of cellulose and coated with:
Chitin
Pectin
Algin
Lignin
Which of the following statements are TRUE regarding the characteristics of Phaeophyceae?
(i) They reproduce asexually by biflagellate zoospores.
(ii) Their main photosynthetic pigments are chlorophyll a, c, carotenoids, and xanthophylls.
(iii) Their cell walls are composed of cellulose and algin.
(iv) They store food as mannitol, laminarin, and starch.
(i) and (ii) only
(i), (ii) and (iii)
(ii), (iii) and (iv)
(i), (ii), (iii) and (iv)
Algae have cell wall made up of
Cellulose, Galactans, Mannans
Hemicellulose, Pectin
Pectin, Cellulose, Proteins
Cellulose, Pectin
The cell wall of diatoms is made of:
Cellulose
Silica
Pectin
Chitin
