Protozoa Quiz

What is the method of locomotion used by Protozoa ciliates in the phylum “Ciliophora”?

Flagella

Spiracles

Cilia (correct)

Pseudopods

Which species of ciliates cause the disease 'balantidiasis'?

Balantidium lumbrici

Balantidium acanthocephala

Balantidium trematoda

Balantidium coli (correct)

How is balantidiasis transmitted?

Airborne transmission

Vector-borne transmission

Contaminated water (correct)

Direct contact with infected animals

What feature is typically seen in Balantidium coli that can be used for identification purposes?

Horseshoe-shaped macronucleus Signup and view all the answers

What kind of parasites are Eucoccidiorida within the order 'Apicomplexa'?

Epithelial cell parasites Signup and view all the answers

Which stage of Eucoccidiorida parasites contains a zygote and is diagnostic for this group?

Oocyst Signup and view all the answers

'Goussia oocysts contain 4 sporocysts.' How many sporozoites are present in each sporocysts?

2 Signup and view all the answers

'Balantidium coli can be found in pigs, or other mammals.' What statement is correct about it's transmitted to humans?

It can be pathogenic to humans (zoonotic) Signup and view all the answers

Which parasite is responsible for 'Montezuma's revenge'?

Giardia species Signup and view all the answers

How does Giardia reproduce?

Via binary fission Signup and view all the answers

Which parasite specifically infects the liver and cecum of poultry?

Histomonas meleagridis Signup and view all the answers

Which term is used to refer to the nematode parasite that transmits Histomonas to birds?

Heterakis gallinarum Signup and view all the answers

What is the primary mode of transmission of Histomonas to birds?

Oral ingestion of infected eggs Signup and view all the answers

What are the clinical signs of histomoniasis/osis in poultry?

Lethargy and yellow diarrhea Signup and view all the answers

Which flagellate parasite primarily resides in the duodenum of the intestines?

Giardia species Signup and view all the answers

Where do Epieimeria species differ from Eimeria species?

Epieimeria species have epicellular development while Eimeria have intracellular development. Signup and view all the answers

Which Apicomplexan organism is used as an example of having two hosts?

Sarcocystic species Signup and view all the answers

What is the best diagnostic feature for Goussia species?

Sporulated oocysts must be seen during development. Signup and view all the answers

In which region do Sarcocystis neurona infections predominantly occur?

North America Signup and view all the answers

How do Apicomplexans aid in their survival?

By forming cysts for protection within the environment or intermediate host (IH). Signup and view all the answers

Common ling (Molva molva) is a host for which parasite?

Goussia gadi Signup and view all the answers

Which form of reproduction in protozoa can exponentially increase their numbers and pathogenicity?

Schizogony Signup and view all the answers

Which protozoa class performs locomotion via flagella within the subphylum Mastigophora?

Kinetoplastida Signup and view all the answers

What fertilizes a macrogamete to form a zygote?

Microgamete Signup and view all the answers

What is the most common form of reproduction for prokaryotes and occurs in some single-celled eukaryotes like Paramecium?

Binary fission Signup and view all the answers

Which parasite causes 'tropical theileriosis'?

Theileria annulate Signup and view all the answers

What disease is caused by Babesia microti in the US?

Tick Fever Signup and view all the answers

Which statement about Babesia microti's life cycle is correct?

The life cycle involves a white-footed mouse and a tick. Signup and view all the answers

Which is the DH for Babesia microti?

Ticks Signup and view all the answers

What type of reproduction does Canine Babesia undergo within the RBC?

Asexual reproduction Signup and view all the answers

'Protozoa/protists are NOT a single group and occupy most branches (super-groups) of the Eukaryotic tree of life' - This statement refers to the:

'Taxonomy complexity and molecular advancements' Signup and view all the answers