Zoology MCQs - Life Cycle of Plasmodium vivax

# Relationship between malaria and mosquito was discovered by:
A. Ronald Ross
B. Lancisi
C. Pasteur
D. Rosenhoff

# The malarial parasite was discovered in the RBCs of human being by:
A. Haldane
B. Laveran
C. Ronald Ross
D. Stephans

# Life history of Plasmodium in Anopheles was first described by:
A. Grassi
B. Ronald Ross
C. Laveran
D. Lancisi


# Malaria is transmitted by:
A. Female culex mosquito
B. Female anopheles mosquito
C. Male culex mosquito
D. Male Anopheles mosquito

# In the life cycle of malarial parasite, the intermediate host is:
A. Tse tse fly
B. Housefly
C. Anopheles mosquito
D. Man

# Plasmodium is:
A. Monogenetic
B. Digenetic
C. Non pathogenic
D. Polygenetic

# The most dangerous species of Plasmodium is:
A. malariae
B. falciparum
C. ovale
D. vivax

# Stage of Plasmodium infective to man and injected into human blood by mosquito is:
A. Trophozoite
B. Merozoite
C. Sporozoite
D. Cyst

# Sporozoites of malarial parasites enter:
A. RBCs of humans
B. Liver cells of humans
C. Stomach of mosquito
D. Salivary gland of mosquito

# Duration between the initial sporozoite infection and the first appearance of the symptoms is termed:
A. Incubation period
B. Prepatent period
C. Dormant period
D. Sporogony

# Incubation period of Plasmodium vivax is about:
A. 12 days
B. 20 days
C. 14 days
D. 30 days

# Cryptozoites of Plasmopdium are formed in:
A. Pre-erythrocytic cycle
B. Erythrocytic cycle
C. Sexual phase
D. Sporogony

# What is incubation period of Plasmodium falciparum?
A. 12 days
B. 14 days
C. 30 days
D. None of the above

# Exoerythrocytic stages of malarial parasite occcur in:
A. Brain of man
B. Stomach of mosquitoes
C. Leucocytes
D. Liver of man

# Stage of the life cycle of Plasmodium that occur in human liver cells is:
A. Pre-erythrocytic cycle
B. Erythrocytic cycle
C. Sporogony
D. Gamogony

# Cryptomerozoites are the products of:
A. Schizogony in RBCs of man
B. Schizogony in liver cells of man
C. Sporogony in the gut wall of mosquito host
D. Gametogony in the gut of mosquito

# Schizont stages of Plasmodium vivax in man are found in:
A. Erythrocytes only
B. Erythrocytes and liver cells
C. Liver cells only
D. Erythrocytes, liver cells and spleen

# Erythrocytic cycle of Plasmodium vivax is completed in :
A. 12 hours
B. 24 hours
C. 48 hours
D. 72 hours

# Which of the following can start erythrocytic cycle?
A. Metacryptomerozoite
B. Merozoite
C. Schizont
D. Sporozoite

# During the life cycle of Plasmodium, trophozoite represents:
A. Reproductive stage
B. Feeding stage
C. Quiescent stage
D. Spore

# The trophozoite stage of Plasmodium is found in:
A. Spleen of man
B. RBCs of man
C. Liver of man
D. Gut of mosquito

# Vegetative phase of Plasmodium in RBCs of man is called:
A. Sporozoite
B. Trophozoite
C. Merozoite
D. Cryptozoite

# Asexual reproduction by schizogony in malarial parasite involves:
A. Binary fission
B. Multiple fission
C. Budding
D. Fragmentation

# Malarial parasite can be best obtained from a patient:
A. one hour before the rise of temperature
B. When temperature rises with rigor
C. any time
D. five hours after temperature becomes normal

# Resultant cells of schizogony in a malarial parasite are:
A. Merozoites
B. Schizonts
C. Sporozoites
D. Ookinete

# Schuffner's dots or granules in a patient of malaria, are found in:
A. RBCs
B. Gametocytes of plasmodium
C. Liver cells
D. Signet ring of trophozoites

# Signet ring stage of Plasmodium is formed during the life cycle of:
A. Pre-erythrocytic cycle
B. Erythrocytic cycle
C. Post-erythrocytic cycle
D. Gamogony

# In Plasmodium gametocytes are formed from:
A. Schizont
B. Merozoites
C. Trophozoites
D. Sporozoites

# Gametocytes of malarial parasite form in:
A. Stomach of female Anopheles
B. Stomach of male Anopheles
C. Salivary glands of Anopheles
D. Blood of man

# Mature gametocytes of Plasmodium are found in:
A. Blood of man
B. Liver of man
C. Stomach of female mosquito
D. RBC of man

# Exo-erythrocytic cycle is absent in:
A. P. vivax
B. P. falciparum
C. P. malariae
D. P. ovale

# Chloroquine, a drug used in malaria, is extracted from:
A. Algae plant
B. Bark of Chinchona tree
C. Tulsi plant
D. Tik plant

# In Plasmodium, exflagellation is associated with:
A. Formation of Male gamete
B. Formation of female zygote
C. Formation of Zygote
D. All

# Ziemann's dot is found in:
A. P. vivax
B. P. falciparum
C. P. malariae
D. P. ovale