The part of life cycle of malarial parasite Plasmodium vivax, that is passed in female Anopheles is
A. sexual cycle
B. pre-erythrocytic schisogony
C. exo-erythrocytic schisogony
D. post-erythrocytic schisogony
Correct Answer - A
(a) Sexual phase in the life cycle of Plasmodium occurs in the gut of mosquito. Sexual phase involves the gametocytes, megagametocytes (female) and microgametocytes (male) which reach the stomach of female Anopheles mosquito by sucking human blood.
1. G0 is the phase of the cell cycle in eukaryotes in which many cell types stop dividing. It is also called a quiescent stage.
2. If cells are deprived of...
Correct Answer - D
Both A. lumbricoides and A. stephensi, have different, males and females and it is possible to distinguish between them morphologically .
Correct Answer - A
(a) Malignant tertian malaria is caused by the malarial parasite, Plasmodium falciparum, whereas, P. vivax causes tertian malaria and benigntertain malaria, P. ovale causes mild tertian malaria...
Correct Answer - C
(c) Plasmodium, the malarial parasite belongs to class - Sporozoa. Sporozoans are intracellular parasites, reproduce by multiple fission and life cycle may include the two different hosts.
Oogenesis :
(i) The process of formation of a mature female gamete or ova in the ovary is known as oogenesis.
(ii) Germ cells of female foetus divide to produce...
i) The type of sex determination mechanism shown in female XX with male XO is male heterogamety. Example- Human
ii) The type of sex determination mechanism shown in female ZW...
(a) It releases a toxic substance called haemozoin which is responsible for the chill and high fever recurring every three to your days.
(b) (i) Sporozoites - They are produced...