SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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breathing air
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drinking contaminated water
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contact with infected feces
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insect vectors
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Detailed explanation-1: -Transmission of protozoa that live in a human’s intestine to another human typically occurs through a fecal-oral route (for example, contaminated food or water or person-to-person contact).
Detailed explanation-2: -They do breathe, move, and reproduce like multi-celled animals. They live in water or at least where it is damp. Some protozoans are harmful to man because they can cause serious diseases. Others are helpful because they eat harmful bacteria and are food for fish and other animals.
Detailed explanation-3: -(1) Amoeboid protozoa or sarcodines. (2) Flagellated protozoa or zooflagellates. (3) Ciliated protozoa or ciliates. (4) Sporozoans.
Detailed explanation-4: -1.1. Malaria. Malaria is the most significant of the protozoan parasites that infect man. 1.2. African trypanosomiasis. 1.3. Chagas disease. 1.4. Leishmaniasis. 1.5. Toxoplasmosis. 1.6. Cryptosporidiosis.