Question

what is the basis of classification of algae

Answer 1

The algae are classified based on pigments. The presence and absence of pigments leads to chlorophyll decides the algae classification. The chlorophyll a and b are present in terms and provides the green colour. The chlorophyceae have green colour which is being imparted by chlorophyceae

Explanation:

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Answer 2

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what is the basis of classification of algae

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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 Flagella number – Absent

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