Algae
Laminarin is an energy storage material characteristic of

chrysophyta
phaeophyta
pyrrophyta
chlorophyta

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Algae
The number of members of the division Phaeophyta that live in freshwater habitats

is greater than the number of members of the division Chloro-phyta that live in freshwater habitats
None of these
is equal to the number of members of the division Chlorophyta that live in freshwater habitats
is lesser than the number of members of the division Chlorophyta that live in freshwater habitats

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Algae
Which of the following best describes the algae known as diatoms?

Cells are encased in rigid walls composed of cellulose coated with silicon
Cells have intricate shells of silicon dioxide with two halves
Cells have flagella and a light-detecting eye spot
Cells contain carotenoid pigments as well as chlorophyll A and B

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