BotanyWhich one of the following statements is wrong?

Which one of the following statements is wrong?

  1. A
    Algae increase the level of dissolved oxygen in the immediate environment.
  2. B
    Algin is obtained from red algae, and carrageenan from brown algae.
  3. C
    Agar-agar is obtained from Gelidium and Gracilaria.
  4. D
    Laminaria and Sargassum are used as food.

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    Solution:

    Algin is obtained from brown algae while carragecnin obtained from red algae.

     Algae increase the level of dissolved oxygen in immediate environment due to photosynthesisis

     Agar-Agar obtained from red algae Gelidium & Gracilaria.

     Laminaria and Sargassum are brown algar used as food.

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