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Seaweed: Quiz


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Question 1: In Asia, Zicai (紫菜) (in China), gim (in Korea) and nori (in Japan) are sheets of dried Porphyra used in soups or to wrap ________.
SushiSea urchinSashimiNattō

Question 2: Seaweeds are also harvested or cultivated for the extraction of alginate, ________ and carrageenan, gelatinous substances collectively known as hydrocolloids or phycocolloids.
AgarGrowth mediumFungusAgar plate

Question 3: on ________, floats: float-assist organ (between lamina and stipe)
Macrocystis pyriferaMacrocystisKelpAlgae

Question 4: Porphyra is a red alga used in ________ to make laver.
United KingdomEnglandScotlandWales

Question 5: In addition, some tuft-forming bluegreen algae (________) are sometimes considered as seaweeds — "seaweed" is a colloquial term and lacks a formal definition.
CyanobacteriaStreptococcus iniaeProkaryoteGram-positive bacteria

Question 6: A number of species such as Sargassum have adapted to a fully ________ niche and are free-floating, depending on gas-filled sacs to maintain an acceptable depth.
PlanktonPrimary productionZooplanktonPhytoplankton

Question 7: [citation needed] Seaweed is currently under consideration as a potential source of ________.
Index of climate change articlesBiofuelCarbon footprintEmissions trading

Question 8: ________ (commonly known as Irish moss or carrageenan moss) is another red alga used in producing various food additives, along with Kappaphycus and various gigartinoid seaweeds.
Chondrus crispusScotlandRed algaeEurope

Question 9: Seaweed is a source of iodine,[7] necessary for thyroid function and to prevent ________.
HyperthyroidismGraves' diseaseHypopituitarismGoitre

Question 10: The deepest living seaweeds are the various ________.
MacrocystisMacrocystis pyriferaAlgaeKelp

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