Plasmodium is a digenetic, malarial parasite. Its primary host is female Anopheles an intermediate host is a man. The life cycle of plasmodium in man is divisible into the exoerythrocytic cycle and erythrocytic. When a female anopheles sucks the blood of the infected human host, it receives RBCs containing different stages of the erythrocytic cycle. All the stages except gametocytes are digested in the gut of the mosquito. However, gametocytes hatch out RBCs is in the stomach and become active to start sexual cycle. So take this quiz and know more about the life history of plasmodium.
1. Which stage of plasmodium is infective?
A. Sporozoite
B. Cryptozoite
C. Both of these
D. None of these
2. All the sporozoites reach into the liver with blood circulation within............ After Inoculation.
A. 1 hour
B. 2 hours
C. Half an hour
D. 3 hours
3. After entering into an erythrocyte, a merozoite soon becomes a round disc-like........
A. Cryptozoite
B. Sporozoite
C. Amoeboid
D. Trophozoite
4. When the vacuole disappears and the trophozoite become..........
A. Amoeboi
B. Signet ring
C. Both of these
D. None of these
5. In how many days, the trophozoite grows into an adult, occupying almost entire RBC?
A. 9-10 days
B. 4-6 days
C. 2-3 days
D. 7-9 days
6. Which of the following cell gets destroyed in the spleen?
A. Flame cell
B. Muscular cell
C. Ghost cell
D. All of these
7. The microgametocyte undergoes spermatogenesis and form.......... Haploid nuclei surrounded with the cytoplasm.
A. 3-5
B. 6-8
C. 12-14
D. 20-22
8. After remaining inactive for some time, the zygote undergoes certain changes in 9-10 hours. It becomes a worm-like organism called........
A. Ookinete
B. Vermicule
C. Both of these
D. None of these
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