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    Question

    Match the algae classes with their common names:

    Column A (Class) :i. Chlorophyceaeii. Phaeophyceaeiii. Rhodophyceaeiv. Cyanophyceae Column B (Common name): a. Brown algaeb. Green algaec. Blue-green algaed. Red algae
    A i-b, ii-c, iii-a, iv-d Correct Answer Incorrect Answer
    B i-b, ii-a, iii-d, iv-c Correct Answer Incorrect Answer
    C i-d, ii-c, iii-b, iv-a Correct Answer Incorrect Answer
    D i-a, ii-b, iii-c, iv-d Correct Answer Incorrect Answer

    Solution

    The correct matching is:
    - Chlorophyceae (i) - Green algae (b): Characterized by chlorophyll a and b pigments
    - Phaeophyceae (ii) - Brown algae (a): Contains fucoxanthin pigment giving them their brown color
    - Rhodophyceae (iii) - Red algae (d): Contains phycoerythrin and phycocyanin pigments giving them their red color
    - Cyanophyceae (iv) - Blue-green algae (c): Actually cyanobacteria with phycocyanin giving them their blue-green color

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