Question : Algae are useful to main in a variety of ways . Suggest fou

1.	Question : Algae are useful to main in a variety of ways . Suggest four uses of algae .
Answer» Solution :Uses of Algae : (i) As FOOD : Algae like Uilva spirogyra etc . Aer edible Chlorella can be grown to provide human food rich in protein lipid carbohydrates vitamins and minerals . (ii) As manure : Calcium containing green algae like chara is USEFUL in acidic soils while some other varieties are useful in ALKALINE soils . (iii) In sewage oxidation tanks : Algae like Chlamydomonas Chlorella are inoculated in sewage oxidation tanks to provide REQUIRED oxygen to decompose FUNGI and bateria . Antibiotic : Chlorella contains an antibiotic called chlorellin .

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