Tag: diseases and hygiene

Questions Related to diseases and hygiene

Which of the following disease is caused by the bite of mosquitoes?

zoology diseases and hygiene diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Dengue fever

  2. Malaria

  3. Cholera

  4. Both A and B

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Correct Option: D
Explanation:
Dengue fever is transmitted by the bite of Aedes mosquito.
Malaria is transmitted by the bite of the female Anopheles mosquito. The mosquito takes blood meals. During this time it infects the healthy person with the parasite from the previously infected person. Hence mosquitoes act as vectors for the transmission of dengue and malaria.
Thus the correct answer is option D. 

Pigs get infected with Taenia by swallowing

biology diseases and hygiene diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Human faeces

  2. Human faeces with embryophores

  3. Human faeces with hexacanth

  4. Human faeces with onchospheres

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Correct Option: D

What is measly pork?

biology diseases and hygiene diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. The flesh of dead pig

  2. The cooked flesh of pig

  3. The cooked flesh of infected pig

  4. The flesh of living pig

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Correct Option: C

Pigs get infected with Taenia by swallowing 

biology diseases and hygiene diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Human faeces with eggs

  2. Human faeces with embryophores

  3. Human faeces with hexacanth

  4. Human faeces with onchospheres

Show answer
Correct Option: D
Explanation:

If a human gets infected with tapeworm, it's faeces contains tapeworm eggs. If such infected human faeces are consumed by pigs, then they too get infected with tapeworm infection.

So, option D is the correct answer.

In Taeniasis, humans act as ___________

biology diseases and hygiene diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Intermediate host

  2. Definitive host

  3. Secondary host

  4. All of the above

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Correct Option: B

Taenia solium and Taenia saginata differ in _____________.

biology diseases and hygiene diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Mode of infection

  2. Intermediate host

  3. Definitive host

  4. All of the above

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Correct Option: B
Explanation:

The definitive host for both lifecycles is humans, but the intermediate hosts are different for each species. A cow is the primary intermediate host for Taenia saginata and a pig is the primary intermediate host for Taenia solium.