Examples of occupational diseases with their control and prevention! Example # 1. Pneumoconiosis: Dust within the size range 0.5 to 3 microns is a health hazard, producing after a variable period of exposure, a lung disease known as pneumoconiosis, which may gradually cripple a man by reducing his working capacity due to lung fibrosis and other complications. The hazardous effects [...]
In this article we will discuss about the methods and strategies applied for controlling the following infectious diseases: 1. Malaria 2. Tuberculosis 3. AIDS (HIV) 3. Cholera 4. Poliomyelitis 5. Viral Hepatitis 6. Lymphatic Filariasis 7. Leishmaniasis. How to Control Malaria? Malaria is a protozoan disease caused by infection with parasites of the genus Plasmodium and transmitted to man by [...]
Compilation of questions on Cell:- the unit of life for class 11. 1. Define Cell. Explain its Structure. Meaning and Types of Cell- Basic Unit of Life: Robert Hooke (1665) observed the so called cells for the first time in a thin slice of cork under a very primitive microscope invented by him. He coined the term "cell". Living cells [...]