Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Human Health and Disease

Question:
Which toxic substance is responsible for the chills and high fever recurring every three to four days in malarial fever ?
Options:
Sporozoite
Haemozoin
Colostrum
None of these
Correct Answer:
Haemozoin
Explanation:
The parasites initially multiply within the liver cells and then attack the red blood cells (RBCs) resulting in their rupture. The rupture of RBCs is associated with release of a toxic substance, haemozoin, which is responsible for the chill and high fever recurring every three to four days.