Non-Chordata Classification and Malaria Life Cycle Quiz
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Questions and Answers

What is the infective stage of Plasmodium introduced into human blood by an infected Anopheles mosquito?

  • Sporozoite (correct)
  • Gametocyte
  • Trophozoite
  • Merozoite

    • What is the size range of the sporozoite stage of Plasmodium?

  • 15 to 16 μ in length and 1 to 2 µ in width
  • 5 to 6 μ in length and 2 to 3 µ in width
  • 8 to 9 μ in length and 0.8 to 1.2 µ in width
  • 11 to 12 μ in length and 0.5 to 1 µ in width (correct)

    • What is found at the anterior end of a sporozoite?

  • Central vacuole for nutrient storage
  • Lateral alveoli for osmoregulation
  • Apical cup with contractile rings (correct)
  • Posterior flagellum for locomotion

    • What is the external covering of sporozoites?

    <p>Elastic, firm pellicle with longitudinally arranged microtubules</p> Signup and view all the answers

    What is the supposed function of the elongated reservoir-like secretory organelles in a sporozoite?

    <p>Secrete some secretion which facilitates invasion</p> Signup and view all the answers

    What is the pre-patent period for P. vivax?

    <p>8 days</p> Signup and view all the answers

    What is the incubation period for P. vivax?

    <p>14 days</p> Signup and view all the answers

    Where does endo-erythrocytic schizogony occur in the life cycle of Plasmodium vivax?

    <p>Inside the red blood cells</p> Signup and view all the answers

    What is the duration of the incubation period for P. vivax?

    <p>10 to 17 days</p> Signup and view all the answers

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