Certain marine brown algae contain algin, which is commercially important. Algin is a type of:
Carrageenan
Agar
Floridean starch
Phycocolloid
Related Questions
Members of Phaeophyceae store their food in the form of:
Starch and cellulose
Mannitol and laminarin
Glucose and fructose
Floridean starch and glycogen
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)
The mannitol is the stored food material of which group of algae?
Chlorophyta
Rhodophyta
Phaeophyta (Brown algae)
Cyanobacteria
