Zoology - Human Health and Diseases Question with Solution | TestHub

ZoologyHuman Health and DiseasesCommon Diseases in HumansEasy2 minPYQ_2020
ZoologyEasysingle choice

Choose the correct statement/s regarding malaria:

(i) Malignant malaria is caused byPlasmodium vivax.

(ii) Frequent chills and fever are caused by hemozoin.

(iii) Sporozoites reproduce sexually in hepatocytes.

(iv) Gametocytes develop in RBCs.

Options:

Answer:
D
Solution:

Malaria is caused by the protozoan parasite Plasmodium. Human malaria is caused by four different species ofPlasmodium: P. falciparum, P. malariae, P. ovale and P. vivax. Plasmodium falciparumis a unicellular protozoan parasite of humans, and the deadliest species of Plasmodium that causes malignant malaria in humans.

Haemozoin is a disposal product formed from the digestion of blood by plasmodium that brings about chills.

In Plasmodium the sexual stages are produced in the humans, but fertilization takes place in the stomach of mosquito. In hepatocytes asexual reproduction takes place through schizogony

Sexual stage i.e gametocytes develop in RBCs of humans.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Human Health and DiseasesSubtopic:Common Diseases in Humans
⏱ 2mℹ️ Source: PYQ_2020

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