Question

Motile zygote of Plasmodium occurs in

• A. Human RBCs
• B. Human Liver
• C. Gut of female Anopheles
• D. Salivary glands of Anopheles

Answer 1

Answer: (C)

Gut of female Anopheles

Answer 2

Motile zygote of Plasmodium occurs in Gut of female Anopheles.

Malaria is a mosquito-borne infectious disease caused by Plasmodium species. in humans and is transmitted through the bite of an infected female Anopheles mosquito. When female Anopheles sucks the blood of an infected human it takes up gametocytes (sexual stages of parasite) with blood meal. The gametocytes come out of the RBCs into the lumen (cavity) of the stomach of the mosquito. In the stomach, the male gametocyte divides and forms 6 to 8 long, motile, whip-like microgametes (male gametes). The female gametocyte does not divide but undergoes a process of 1 maturation to become the macrogamete (female gamete), i A microgamete penetrates a macrogamete, and fertilization | (syngamy) takes place, resulting in the formation of a zygote. The zygote elongates and becomes a worm-like motile organism called ookinete. Ookinete further changes into sporozoites (mature infective stage of Plasmodium).

Therefore, the correct answer is option C.