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Reserve food material in algae is

  • A.Starch
  • B.Cellulose
  • C.Protein
  • D.None of the above

Answer: A

The reserve food material in algae is starch in green algae and a related starch, floridean starch, in red algae, with laminarin in brown algae, and it is stored in the chloroplast or cytoplasm. Cellulose is a structural carbohydrate that forms the cell wall and is not a storage product, and protein is not the main reserve, so 'none of the above' is also wrong. Starch is the keyed answer. Brown algae store laminarin and mannitol, which are also carbohydrate reserves, so they are not proteins or cellulose either.

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