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प्रश्न
The chemical substance mainly responsible for tooth disorders is
विकल्प
Calcium
Chloride
Fluorides
Iodides
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उत्तर
Fluorides
संबंधित प्रश्न
Public hygiene is equally important as personal hygiene. Give reasons.
A viral disease caused due to unhealthy sexual contact..................
Name few vectors and diseases caused by them.
List any three effective methods for controlling mosquitoes.
Match Column I with that Which is Most Appropriate in Column II.
| Column I | Column II |
| (a) Mosquito | (i) DDT |
| (b) Plasmodium | (ii) Dengue |
| (c) Entamoeba histolytica | (iii) Vector |
| (d) Aedes mosquito | (iv) Malaria |
| (e) Insecticide | (v) Dysentery |
Write a brief account on the following disease:
Malaria
Fill in the blank:
The causative agent of malaria is a _______.
One of the means of indirect transmission of a disease is ______.
Name the vector of the malarial parasite. Mention the species of malarial parasite which cause malignant and fatal malaria.
How is Dengue fever spread? What are the symptoms?
The stages of the malarial parasite are developed in the ______ of mosquito.
Malaria is caused by the fungal parasite plasmodium.
Assertion: Chikungunya is transmitted in humans by the bite of an infected Aedes aegypti mosquito during the daytime.
Reason: Chikungunya is caused by Rotavirus.
What is known as a reservoir of infection? Give two examples.
How is typhoid prevented and treated?
Discuss the strategies to adopt to prevent diseases transmitted through mosquitoes.
Name the causative agent of typhoid in humans. How does the pathogen gain entry into the human body? Write the diagnostic symptoms and mention the organ that is affected in severe cases.
The infectious stage of Plasmodium that enters the human body is ______.
Name the vector of the pathogen responsible for Dengue fever.
