NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM PROTISTA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of protist is ONLY parasitic?
A
Ciliates
B
Sporozoans
C
Flagellates
D
Amoebas
Explanation: 

Detailed explanation-1: -These protists include Plasmodium, Leishmania, Trypanosoma, and Toxoplasma.

Detailed explanation-2: -The fifth Phylum of the Protist Kingdom, known as Apicomplexa, gathers several species of obligate intracellular protozoan parasites classified as Sporozoa or Sporozoans, because they form reproductive cells known as spores. Many sporozoans are parasitic and pathogenic species, such as Plasmodium (P.

Detailed explanation-3: -Sporozoa spôr˝əzō´ə [key], phylum of unicellular heterotrophic organisms of the kingdom Protista. Unlike most other protozoans, sporozoans have no cilia or flagella.

Detailed explanation-4: -An example of Sporozoan is Plasmodium falciparum which is known to cause malaria. Human beings act as a host for these parasites and female Anopheles mosquitoes as vectors.

Detailed explanation-5: -The protozoan parasites include Cryptosporidium spp., Giardia duodenalis, Cyclospora cayetanensis, Entamoeba spp., Toxoplasma gondii, Balantioides coli, Blastocystis sp., Cystoisospora belli and Enterocytozoon bieneusi.

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