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- 1. Multiple Choice
Which of the following describe algae?
most have leaflike, rootlike and stemlike structures
smallest chlorophyll containing organisms
typically found in a watery environment
usually classified by leaflike, rootlike and stemlike structures
part of the plankton
- 2. Multiple Choice
Green algae can be found in which of the following forms?
unicellular
colonial
filamentous
all of the above
- 3. Multiple Choice
Which group of algae do diatoms belong to?
green
red
yellow
brown
- 4. Multiple Choice
Which of the following are true of brown alage?
found in cold ocean waters
found in warm ocean waters
includes kelps, gulfweeds and rockweeds
produces algin which is used in emulsions
produces carrageenan which makes ice cream smooth and creamy
- 5. Multiple Choice
Red algae is known for which of the following?
silica shells which are used in toothpaste and scouring powders
edible dulse and nori
manufacture of agar
cold ocean seaweed
carrageenan which makes ice cream smooth and creamy
- 6. Multiple Choice
Which group of algae has been reclassified as cyanobacteria?
dinoflagellates
green
red
blue-green
- 7. Multiple Choice
Dinoflagellates are known for which of the following?
thriving in hostile environments
producing a phenomenon known as a red tide
producing toxins harmful to marine life
bioluminescence
having flagella
- 8. Multiple Choice
Cyanobacteria thrive in harsh environments.
True
False
- 9. Multiple Choice
Which group of algae produces the most numerous group of algae and possibly the most abundant life form apart from bacteria?
dinoflagellates
cyanobacteria
green
yellow
- 10. Multiple Choice
Which group of algae leads to the formation of diatomaceous earth?
red
brown
green
yellow
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