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Questions and Answers
Which of the following is NOT a characteristic of amoebae?
Which of the following is NOT a characteristic of amoebae?
Which of the following is a characteristic of amoebae?
Which of the following is a characteristic of amoebae?
What is the feeding form of naked amoebae called?
What is the feeding form of naked amoebae called?
What is the purpose of the shell ('test') in shelled amoebae?
What is the purpose of the shell ('test') in shelled amoebae?
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Which of the following is a characteristic of naked amoebae?
Which of the following is a characteristic of naked amoebae?
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What is the purpose of the stiffened pseudopodia in the floating form of naked amoebae?
What is the purpose of the stiffened pseudopodia in the floating form of naked amoebae?
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What is the main mode of feeding for shelled amoebae?
What is the main mode of feeding for shelled amoebae?
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Which type of protist captures prey with sticky extracellular cytoplasm (‘axopodia’)?
Which type of protist captures prey with sticky extracellular cytoplasm (‘axopodia’)?
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What is the ecological impact of protists?
What is the ecological impact of protists?
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Which protists practice evading digestion and become pathogenic in amoebae?
Which protists practice evading digestion and become pathogenic in amoebae?
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What is the site of most bacteria in the human body?
What is the site of most bacteria in the human body?
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Which protist causes Keratitis, an eye infection?
Which protist causes Keratitis, an eye infection?
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Which protist causes Primary Amoebic Meningoencephalitis (PAM), also known as 'Brain eating amoeba'?
Which protist causes Primary Amoebic Meningoencephalitis (PAM), also known as 'Brain eating amoeba'?
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Which flagellate causes Trichomoniasis, a sexually transmitted disease?
Which flagellate causes Trichomoniasis, a sexually transmitted disease?
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Which flagellate causes Leishmaniasis, a blood/tissue infection?
Which flagellate causes Leishmaniasis, a blood/tissue infection?
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True or false: Protists are single-celled eukaryotes that can move with cilia, flagella, or cytoplasmic streaming.
True or false: Protists are single-celled eukaryotes that can move with cilia, flagella, or cytoplasmic streaming.
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True or false: Protists predominantly reproduce asexually and can feed by photoautotrophy, heterotrophy, or mixotrophy.
True or false: Protists predominantly reproduce asexually and can feed by photoautotrophy, heterotrophy, or mixotrophy.
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True or false: Amoebae and macrophages have similarities and both can become reservoirs for pathogenic bacteria.
True or false: Amoebae and macrophages have similarities and both can become reservoirs for pathogenic bacteria.
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True or false: Naegleria fowleri, also known as 'Brain eating amoeba', can cause a fatal brain infection in humans.
True or false: Naegleria fowleri, also known as 'Brain eating amoeba', can cause a fatal brain infection in humans.
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True or false: Trichomonas vaginalis is a flagellate that causes an anaerobic sexually transmitted disease called Trichomoniasis.
True or false: Trichomonas vaginalis is a flagellate that causes an anaerobic sexually transmitted disease called Trichomoniasis.
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Study Notes
Amoeba Characteristics
- Not a characteristic of amoebae: Having a cell wall
- Characteristic of amoebae: Having pseudopodia
- Feeding form of naked amoebae: Trophozoite
- Purpose of the shell ('test') in shelled amoebae: Protection and support
- Characteristic of naked amoebae: Ability to change shape
- Purpose of the stiffened pseudopodia in the floating form of naked amoebae: To help them move and capture food
- Main mode of feeding for shelled amoebae: Phagocytosis
Protist Characteristics
- Protist that captures prey with sticky extracellular cytoplasm (‘axopodia’): Heliozoans
- Ecological impact of protists: Important primary producers, decomposers, and food sources for larger organisms
- Protist that practices evading digestion and becomes pathogenic in amoebae: Legionella
- Site of most bacteria in the human body: Gut
- Protist that causes Keratitis, an eye infection: Acanthamoeba
- Protist that causes Primary Amoebic Meningoencephalitis (PAM), also known as 'Brain eating amoeba': Naegleria fowleri
- Flagellate that causes Trichomoniasis, a sexually transmitted disease: Trichomonas vaginalis
- Flagellate that causes Leishmaniasis, a blood/tissue infection: Leishmania
Protist Facts
- True: Protists are single-celled eukaryotes that can move with cilia, flagella, or cytoplasmic streaming
- True: Protists predominantly reproduce asexually and can feed by photoautotrophy, heterotrophy, or mixotrophy
- True: Amoebae and macrophages have similarities and both can become reservoirs for pathogenic bacteria.
- True: Naegleria fowleri, also known as 'Brain eating amoeba', can cause a fatal brain infection in humans
- True: Trichomonas vaginalis is a flagellate that causes an anaerobic sexually transmitted disease called Trichomoniasis.
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Description
Test your knowledge on amoebae, the most publicised protozoan known for its unique characteristics. Learn about their macronucleus, aerobic nature, and heterotrophic feeding habits. Explore their different modes of reproduction and movement. Discover the four Eukaryote Supergroups they belong to and dive into the fascinating world of amoebae.
