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Chlorophyceae

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Consider the following pigments 1. Chlorophyll a 2. Chlorophyll b 3. Chlorophyll c 4. Carotenes 5. Biliproteins 6. Xanthophylls The characteristic photosynthetic pigments present in Chlorophyceae would include

Go through the following statements (i) IN chlorophyceae the flagella re 2 in number, unequal in size and lateral in position (ii) In phaeophyceae flagella are 2-8 in number, equal in size and apical in position (iii) Chlorella and Spirullina re rich in proteins and are used as food supplements even by space travellers. (iv) The leaves in pteridophyta are microphylls as in Selaginella or macrophylls as in ferns. Which of these are correct

Knowledge Check

  • Match the column I and II, and choose the correct combination from the options given {:(,underset(("Class"))("Column-I"),,underset(("Major pigments"))("Column-II")),("(a)","Chlorophyceae","(i)","Chlorophyll a,c, fucoxanthin"),("(b)","Phacephyceae","(ii)","Chlorophyll a,d, phycoerythrin"),("(c)","Rhodophyceae","(iii)","Chlorophyll a,b"):}

    A
    a-iii,b-i,c-ii
    B
    a-iii,b-ii,c-i
    C
    a-ii,b-i,c-iii
    D
    a-i,b-iii,c-ii

  • Chlamydomonas, Chlorella, Volvox, Ulothrix Fucus, Dictyota, Polysiphonia, Gelidium, Acetabularia, Laminaria Out of these 10 organisms, how many organisms belong to the class chlorophyceae, phaeophyceae and rhodophyceae respectively?

    A
    4, 3, 3
    B
    4, 4, 2
    C
    5, 3, 2
    D
    6, 2, 2

  • Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given (A) In chlorophyceae the stored food material is starch and the major pigments are chlorophyll-a and d (B) In phaeopphyceae, laminarin is the stored food and major pigments are chlorophyll-a and b (C) In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoeythrin.

    A
    A is correct, but B and C are wrong
    B
    A and B are correct, but C is wrong
    C
    A and C are correct, but B is wrong
    D
    C is correct, but A and B are wrong
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