20 Questions
Which of the following is NOT a characteristic of amoebae?
They have a specific fission plane
Which of the following is a characteristic of amoebae?
They produce pseudopodia on surfaces
What is the feeding form of naked amoebae called?
Trophozoites
What is the purpose of the shell ('test') in shelled amoebae?
To enclose intracellular cytoplasm
Which of the following is a characteristic of naked amoebae?
They move by cytoplasmic streaming
What is the purpose of the stiffened pseudopodia in the floating form of naked amoebae?
To move and feed
What is the main mode of feeding for shelled amoebae?
Diffusion feeding
Which type of protist captures prey with sticky extracellular cytoplasm (‘axopodia’)?
Raptorial Foraminiferans
What is the ecological impact of protists?
They are everywhere and form the base of every food chain
Which protists practice evading digestion and become pathogenic in amoebae?
Bacteria
What is the site of most bacteria in the human body?
Gut
Which protist causes Keratitis, an eye infection?
Acanthamoeba
Which protist causes Primary Amoebic Meningoencephalitis (PAM), also known as 'Brain eating amoeba'?
Naegleria fowleri
Which flagellate causes Trichomoniasis, a sexually transmitted disease?
Trichomonas vaginalis
Which flagellate causes Leishmaniasis, a blood/tissue infection?
Leishmania mexicana
True or false: Protists are single-celled eukaryotes that can move with cilia, flagella, or cytoplasmic streaming.
True
True or false: Protists predominantly reproduce asexually and can feed by photoautotrophy, heterotrophy, or mixotrophy.
True
True or false: Amoebae and macrophages have similarities and both can become reservoirs for pathogenic bacteria.
True
True or false: Naegleria fowleri, also known as 'Brain eating amoeba', can cause a fatal brain infection in humans.
True
True or false: Trichomonas vaginalis is a flagellate that causes an anaerobic sexually transmitted disease called Trichomoniasis.
True
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.
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