Home
Class 12
BIOLOGY
Name the toxin responsible for the appea...

Name the toxin responsible for the appearance of symptoma of malaria in human, Why do these symptoms occur periodically?

Text Solution

Verified by Experts

The toxin responsible for symptoms of malaria is haemozoin. It is released when RBCs get ruptured due to erythrocytic schizogony of Plasmodium that takes place every 48 hours. This is the reason behind periodic occurrence of symptoms.
Promotional Banner

Topper's Solved these Questions

  • HEALTH AND DISEASES

    ARIHANT PUBLICATION|Exercise PART I (QUESTION FOR ASSESSMENT) (Very Short Answer Type Questions )|10 Videos

  • HEALTH AND DISEASES

    ARIHANT PUBLICATION|Exercise PART I (QUESTION FOR ASSESSMENT) (Short Answer Type Questions )|2 Videos

  • HEALTH AND DISEASES

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE (Short Answer Type II Questions )|3 Videos

  • EVOLUTION

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE (Long Answer Type Questions)|3 Videos

  • HEREDITY AND VARIATION

    ARIHANT PUBLICATION|Exercise Chapter Practice ( Short Answer Type -II Questions )|1 Videos

Similar Questions

Explore conceptually related problems

Why do some metals occur in the native state ?

What is long form periodic table ? How do the properties of elements vary in groups and periods of the periodic table? Name the elements of zero group.

Where would the greatest number of endemic species occur and why ? (a) Small volcanic archipelagos, such as the Galapagos Islands, because the abundance of unoccupied habitats favours the adaptive divergence of colonists from nearby mainland populations. (b) Large oceanic island, such as Australia, because the inhabitants have been isolated from mainland populations for a very long time. (c) On rugged landscapes, such as Patagonia, because of the high levels of natural disturbance by glaciers and earthquakes. (d) Temperate woodlands, such as those in southern England, because of the high levels of disturbance by human activity and the history of artificial selection.

Fill up the blank. The period between the entry of the infective stage of malarial parasite and reappearance of Malaria symptom is called______

Fill up the blanks in the following paragraph by selecting the correct option A. overset("i")("___") methods work on the principle of avoiding chances of ovum and sperms meeting B. overset("ii")("___") is one such method in which the couples avoid coitus from day 10 to 17 of the menstrual cycle C. overset("iii")("___") is another method in which the male partner withdraws his penis from the vagina just before ejaculation so as to avoid insemination D. overset("iv")("___") method is based on the fact that ovulation and therefore the cycle do not occur during the period of intense loctation following parturition.

What do you understand by ozone hole ? Why does it occur mainly over Antarctica ?

When and where do chorionic villi appear in humans? State their function.

Name a disorder, give the karyotype and write the symptoms, where a human male suffers as a result of an additional X-chromosome.

What are the periods in Palaeozoic era and name the plant group that appeared in them?

Name a set of principles that may be used to regulate human activities in relation to the biological world. Why are they important?