Potato blight is caused by an organism of which group?
Correct answer: B. Oomycotes
- A. Myxomycota
- B. Oomycotes
- C. Foraminifera
- D. Apicomplexans
Explanation
The correct answer is Oomycotes. Oomycotes, or water molds, are a group of protists known for causing plant diseases, including the infamous potato blight caused by Phytophthora infestans. This organism devastated potato crops during the Irish Potato Famine in the 19th century. The other options do not cause potato blight: Myxomycota are slime molds, which do not infect plants; Foraminifera are marine protists with no link to plant diseases; and Apicomplexans are parasitic protists affecting animals rather than plants.
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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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