Which one of the following statements is incorrect?
Correct answer: B. Algin is obtained from red algae and carrageenan from brown algae
- A. Algae increase the level of dissolved oxygen in the immediate environment
- B. Algin is obtained from red algae and carrageenan from brown algae
- C. Agar-agar is obtained from Gelidium and Gracilaria
- D. Laminaria and Sargassum are used as food
Explanation
(b) : Alginic acid is obtained from brown algae whereas carrageenan is obtained from red algae.
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About Kingdom Protista
Kingdom Protista contains mainly unicellular eukaryotes, although some forms are colonial or multicellular, with varied nutritional and reproductive methods. Questions examine protozoans, algae and examples such as Amoeba, Paramecium and Euglena, while distinguishing protists from prokaryotes, fungi and true plants.
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