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Which of the following statements is wrong ?A. Algae increase the level of dissolved oxygen in the immediate environmentB. Algin is obtained form red algae and carrageenan from brown algaeC. Agar- agar is obtained from Gelidium and GracilariaD. Laminaria and Sargassum are used as food |
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Answer» Correct Answer - B Algin is extracted from brown algae, e.g. Laminaria, etc. It is a hydrocolloid used in shaving creams, jellies, flameproof plastic, etc. Carrageenan is extracted from red algae like Chondrus and used as emulsifier and clearing agent. |
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