18 Questions
Which stage of Plasmodium falciparum is found in the stomach lining of a female mosquito?
Sporozoites
What is the shape structure of sporozoites, the infectious form of Plasmodium falciparum to humans?
Sickled (crescent) shape
Which stage of Plasmodium falciparum resembles a ring-like structure or even headphone-like structures?
Trophozoites
What is the feeding form of Plasmodium falciparum which is vacuolated with large chromatin dots and fine yellowish-brown pigment?
Trophozoites
Which stage of Plasmodium falciparum contains several newly produced merozoites arranged in a grape-like cluster?
Schizonts
What is the unusual cellular organization characteristic of sponges?
Similar cells not organized into defined tissues or organs
What type of protists are protozoans?
Heterotrophic
Why are protozoans only found in wet habitats?
To exploit moist microhabitats
Which protozoan causes malaria?
Plasmodium
How do protozoans reproduce?
Binary fission
What vital functions can protozoans perform?
Move, digest, breathe, excrete waste, and reproduce
Why are protozoans described as the apex of single cell complexity?
Their single cell can perform all vital functions
How are endoparasites defined?
Parasites living inside their host's tissues or organs
What is the vector for Plasmodium falciparum?
Anopheles mosquitoes
Which species of Plasmodium accounts for about 50% of malaria cases?
Plasmodium falciparum
How is malaria contracted?
Through the bites of female Anopheles mosquitoes infected by Plasmodium sp. parasites
What process is responsible for the reproduction of Plasmodium?
Asexual reproduction
What is a characteristic of the life cycle of endoparasites like Plasmodium?
Well synchronized with their host and vector
This quiz covers the first part of Lab 1 which focuses on Protozoa. Learn about the characteristics and habitats of protozoans, including their eukaryotic nature and microscopic features. Understand where protozoans can be found and how they adapt to different environments.
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