Question

Differentiate between red algae and brown algae.

Answer 1

1. Photosynthetic pigments are chlorophyll-a, chlorophyll-d and phycoerythrin. Photosynthetic pigments are chlorophyll – a, chlorophyll-c and fucoxanthin. 

2. Reserve food is Floridean starch. Reserve food is mannitol and laminarin. 

e.g. Porphyra, Gracilaria, Gelidium, Polysiphonia, etc. Ectocarpus, Sargassum, Fucus, Laminaria, etc.