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Which is the source of foodstuff 'Nori' ?

  • A.Porphyra
  • B.Polytrichum
  • C.Potamogeton
  • D.Pteridium

Answer: A

Nori comes from Porphyra.

Porphyra (now partly placed in Pyropia) is a red alga that grows on rocky shores. In Japan its thin blades are pressed and dried into the dark sheets called nori, used to wrap sushi; it is also eaten as laver in Wales and as gim in Korea.

Polytrichum is a moss, Potamogeton is a pondweed (a flowering plant) and Pteridium is bracken fern. None of them is the source of nori.

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