Advertisements
Advertisements
Question
What is Kala-azar?
Advertisements
Solution
Kala - azar or visceral leishmaniasis is caused by Leishmania donovani, which is transmitted by the vector Phlebotomus. Infection may occur in the endothelial cells, bone marrow, liver, lymph glands andblood vessels of the spleen. Symptoms of Kala azar are weight loss, anaemia, fever, enlargement of spleen and liver.
APPEARS IN
RELATED QUESTIONS
Describe the events in the life cycle of Plasmodium which take place in the female Anopheles.
Leishmaniasis is a disease caused by a protozoan parasite transmitted by biting of ______.
Which of the following disease is caused by a protozoan?
The active form of entamoeba histolytica feed upon:
Given below are the pairs of pathogens and the diseases caused by them. Which out of these is not a matching pair and why?
| (a) | Virus | common cold |
| (b) | Salmonella | typhoid |
| (c) | Microsporum | filariasis |
| (d) | Plasmodium | malaria |
Why is it that during changing weather, one is advised to avoid closed, crowded and airconditioned places like cinema halls etc.?
The following table shows certain diseases, their causative organisms and symptoms. Fill the gaps.
| Name of the Disease | Causative organism | Symptoms | |
| (i) | Ascariasis | Ascaris | ______ |
| (ii) | ______ | Trichophyton | Appearance of dry, scaly lesions on various parts of the body |
| (iii) | Typhoid | ______ | High fever, weakness, headache, stomach pain, constipation. |
| (iv) | Pneumonia | Streptococcus pneumoniae | ______ |
| (v) | ______ | Rhino viruses | Nasal congestion and discharge, sorethroat, cough, headache |
| (vi) | Filariasis | ______ | Inflammation in lower limbs |
If there are two pathogenic viruses, one with DNA and other with RNA, which would mutate faster? And Why?
What is Pulse Polio Programme of Government of India? What is OPV? Why is it that India is yet to eradicate Polio?
“Plasmodium protozoan needs both a mosquito and a human host for its continuity.” Explain.
