Life Cycle of Plasmodium - Unsolved Practice Set
Chapter: Human Health and Disease | Topic: Life Cycle of Plasmodium
LIFE CYCLE OF PLASMODIUM - UNSOLVED PRACTICE SET
Topic: Life Cycle of Plasmodium
Multiple Choice Questions
Q1. The vector responsible for transmitting the malarial parasite Plasmodium to humans is the:
- Female Culex mosquito
- Female Anopheles mosquito
- Female Aedes mosquito
- Housefly
Q2. The infective stage of Plasmodium injected into the human body by a mosquito bite is called the:
- Merozoite
- Sporozoite
- Gametocyte
- Trophozoite
Q3. The characteristic recurring chills and high fever seen in malaria patients occur due to the release of which stage of the parasite from red blood cells?
- Sporozoites
- Merozoites
- Gametocytes
- Zygotes
Q4. The sexual stage of the Plasmodium life cycle occurs primarily in:
- The human liver
- Human red blood cells
- The gut of the female Anopheles mosquito
- Human blood plasma
Q5. Before infecting red blood cells, Plasmodium sporozoites first multiply within the human:
- Liver cells
- Kidney cells
- Lung cells
- Brain cells
Short Answer Questions
Q6. What is a sporozoite, and how does it enter the human body?
Q7. Why does a malaria patient typically experience recurring cycles of chills and fever rather than continuous fever?
Q8. Briefly describe what happens to Plasmodium once it is taken up by a female Anopheles mosquito during a blood meal.
Q9. Differentiate between the human (asexual) stage and the mosquito (sexual) stage of the Plasmodium life cycle.
Long Answer Questions
Q10. Describe the complete life cycle of Plasmodium, tracing its journey from the mosquito bite, through the human liver and blood stages, back into the mosquito.
Q11. Explain how understanding the life cycle of Plasmodium helps in designing effective malaria prevention and control strategies.
APPLICATION / ANALYSIS
Q12. A malaria patient's blood test shows the periodic bursting of infected red blood cells occurring roughly every 48 hours, corresponding with the patient's episodes of fever and chills. Using your understanding of the Plasmodium life cycle, explain what stage of the parasite's cycle is responsible for this timing.
Q13. Health authorities in a malaria-prone region focus heavily on eliminating stagnant water and mosquito breeding sites rather than only treating infected patients. Using your knowledge of the Plasmodium life cycle, explain why targeting the mosquito vector is such an effective public health strategy.