question_answer 1)

What is the basis of classification of algae?

Answer:

Algae are classified on the basis of type of pigments the possess, chemical nature of reserve food material, kinds, number an points of insertion of flagella of motile cells and the presence or absence of Organized nucleus in the cell. Divisions of Algae and their Main Characteristics 

Classes	Common Name	Major Pigment	Stored Food	Cell Wall	Habitat
Chlorophyeae	Green algae	Chlorophyll-a, b	Starch	Cellulose	Freshwater, brackish water and saltwater
Phaeophyceae	Brown algae	Chlorophyll-a, c	Mannitol laminarin	Cellulose and align	Freshwater, brackish water and salt water
Rhodophyceae	Red algae	Chlorophyll-a, d and phycoerythrin	Floridean starch	Cellulose, pectin and poly sulphate esters	Freshwater, brackish water and salt water
Cyanophyceae	Blue green algae	Chlorphyll-a, phycocyanin and Phycoerythrin	Volutin granules and lipid droplets	Peptidoglycan	Marine or terrestrial