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Red algae: Quiz


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Question 1: Dulse (Palmaria palmata)[13] and Porphyra are the best known in the ________[14]
British IslesNorthern IrelandUnited KingdomEngland

Question 2:
What domain does Red algae belong to?

Question 3: ________ (red tides are caused by algae from the phylum Dinoflagellata, and not red algae [Rhodophyta])
Marine conservationMarine larval ecologyMarine biologyAlgal bloom

Question 4: Many of the coralline algae, which secrete ________ and play a major role in building coral reefs, belong here.
Calcium silicateCalcium hydroxideCalcium carbonateCalcium oxide

Question 5: The trichogyne will continue to grow until it encounters a ________; once it has been fertilised, the cell wall at its base progressively thickens, separating it from the rest of the carpogonium at its base.
Sexual reproductionSpermSpermatozoonFertilisation

Question 6: There are also ________ crusts which have been interpreted as the remains of coralline red algae dating to the terminal Proterozoic.
CarbonCalcium carbonateCalciteAragonite

Question 7: Red algae have a double ________.
Cell envelopeBacteriaCell wallChloroplast

Question 8: Bangiomorpha pubescens, a multicellular fossil from arctic ________, strongly resembles the modern red alga Bangia despite occurring in rocks dating to 1200 million years ago. [1]
United StatesUnited KingdomBarbadosCanada

Question 9: The earliest such coralline algae, the solenopores, are known from the ________ Period.
CambrianGeologic time scaleCambrian explosionDevonian

Question 10: Red algae lack motile ________.
SpermSexual reproductionSpermatozoonFertilisation

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