Question

A toxic substance, responsible for the chills and high fever recurring every three to four days in malarial fever, is -

• A. Haemozoin
• B. Colostrum
• C. Interferon
• D. Hirudin

Answer 1

The correct option is A Haemozoin

In malaria, chills and shivers are caused by the release of toxic substance haemozoin into the blood at the time of RBCs rupture. It is generally followed by fever.
Interferons are the natural substances that help body to fight with infections.
Hirudin is a naturally occuring peptide in the salivary glands of blood-sucking leeches that has a blood anticoagulant property.
Colostrum is the first milk produced by the mammary glands immediately after delivery of newborn.

So, the correct answer is-haemozoin.