InterviewSolution
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InterviewSolution
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What is the basis of classification of alegi |
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Answer» re classified into three main classes – CHLOROPHYCEAE, Phaeophyceae, and Rhodophyceae. These divisions are based on the following factors: (a) MAJOR photosynthetic PIGMENTS present (b) FORM of stored food (c) Cell WALL composition (d) Number of flagella and position of insertion Class I – Chlorophyceae Common name – Green algae Major pigments – Chlorophylls a and b Stored food – Starch Cell wall composition – Cellulose Flagella number and position – 28; equal and apical Class II – Phaeophyceae Common name– Brown algae Major pigments – Chlorophylls a and c, and fucoxanthin Stored food – Mannitol and laminarin Cell wall composition – Cellulose and algin Flagella number and position – 2; unequal and lateral Class III – Rhodophyceae Common name – Red algae Major pigments – Chlorophylls a and b, and phycoerythrin Stored food – Floridean starch Cell wall – Cellulose, pectin, and polysulphate esters |
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