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Dinoflagellate: Quiz


Question 1:
What period does the fossils of the Dinoflagellate come from?
M Ordovician - Silurian
Silurian - Present
M-U Silurian
Late Silurian - Early Devonian

Question 2: Together with various other structural and genetic details, this organization indicates a close relationship between the dinoflagellates, ________, and ciliates, collectively referred to as the alveolates.
SAR supergroupMyzozoaApicomplexaChromalveolate

Question 3:
What domain does Dinoflagellate belong to?

Question 4: This phenomenon is called a ________, from the color the bloom imparts to the water.
Marine conservationMarine larval ecologyAlgal bloomMarine biology

Question 5: The dinoflagellate Erythropsidium has the smallest known ________.
EyeSensory systemBrainNervous system

Question 6: The same ________ mentioned above is more specifically produced when dinoflagellates are able to reproduce rapidly and copiously on account of the abundant nutrients in the water.
Marine biologyMarine conservationAlgal bloomMarine larval ecology

Question 7: Most dinoflagellates have a peculiar form of nucleus, called a dinokaryon, in which the ________ are attached to the nuclear membrane.
Chromosomal translocationAutosomeKaryotypeChromosome

Question 8: Bluish flickers visible in ocean water at night often come from blooms of ________ dinoflagellates, which emit short flashes of light when disturbed.
BioluminescenceCnidariaVibrio fischeriKrill

Question 9: Most dinoflagellates are unicellular forms with two ________.

Question 10: Some species produce neurotoxins, which in such quantities kill fish and accumulate in filter feeders such as ________, which in turn may pass them on to people who eat them.
Wild fisheriesShellfishFishingAquaculture

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