Agar is not obtained from

  1. Gelidium
  2. Gracilaria
  3. Volvox
  4. All of these
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Agar is not used in

  1. To grow microbes
  2. To prepare ice-creams
  3. To prepare jellies
  4. To supplement protein for space travellers
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Chlorella is not

  1. An unicellular alga
  2. Rich in proteins
  3. Used as food supplement even by space travellers
  4. Used to grow microbes
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Which of the marine algae is not used as food?

  1. Laminaria
  2. Sargassum
  3. Porphyra
  4. Volvox
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The members of chlorophyceae are not

  1. Green algae
  2. Unicellular, colonial or filamentous plant body
  3. Pigments chlorophyll a and b
  4. Pigments are localised in the cytoplasm
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Chloroplasts can be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon-shaped in different species. Such variety can be found in

  1. Chlorophyceae
  2. Phaeophyceae
  3. Rhodophyceae
  4. All of these
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Pyrenoid is

  1. Storage bodies located in cytoplasm of chloropbyceae
  2. Storage bodies located in cytoplasm of Phaeophyceae
  3. Storage bodies located in chloroplast of chlorophyceae
  4. Storage bodies located in chloroplast of Phaeophyceae
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. Pyrenoid has

  1. Protein+Starch
  2. Only Protein
  3. Only Starch
  4. Fats+ Starch
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Green algae usually have a rigid cell wall made of an inner layer of ….…. and outer layer of ………

  1. Pectose, Cellulose
  2. Cellulose, Pectose
  3. Algin, carrageenan
  4. Carrageen, Algin
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Examples of Green alga is not

  1. Chlamydomonas,Volvox,Ulothrix
  2. Spirogyra
  3. Chara
  4. Fucus
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