micro organisms are foe

Information about micro organisms are foe

Published on July 10, 2014

Author: srivarmaa

Source: authorstream.com


PowerPoint Presentation: Micro organisms ARE Foe PowerPoint Presentation: What are Micro-organisms? Microbes are very small organisms present in air , water and everywhere. It cannot be seen through our naked eyes. It can be seen only through microscope. PowerPoint Presentation: Bacteria Virus Fungi Protozoa Algae . Classification of microbes PowerPoint Presentation: Spiral bacteria Rod-shaped bacteria Bacteria PowerPoint Presentation: Virus PowerPoint Presentation: Bread Mould Penicillium Aspergillus Fungi PowerPoint Presentation: Amoeba Paramecium Protozoa PowerPoint Presentation: Chlamydomonas Spirogyra Algae PowerPoint Presentation: Microorganisms are harmful in many ways. Some of the microorganisms cause diseases in human beings, plants and animals. Such disease-causing microorganisms are called pathogens . Diseases- dengue, flu, polio, Tuberculosis ,etc Smallpox  is an infectious disease unique to humans, caused by either of two virus variants,  Variola major  and  Variola minor . Harmful Microorganisms PowerPoint Presentation: Viruses are also microscopic. They however reproduce only inside the cells of a host organism, which may be a bacterium, plant or animal. Common ailments like cold, influenza(flu) and most coughs are caused by viruses. Serious diseases like polio, chicken pox and HIV are also caused by viruses. PowerPoint Presentation: THROUGH: Air, water Infected Person Vectors Contaminated food Mode of transmission PowerPoint Presentation: THROUGH AIR,WATER Pathogens enter our body through the air we breathe, the water we drink or the food we eat. They can also get transmitted by direct contact with an infected person or carried through an animal. Example-Common cold, Flu, Hepatitis A THROUGH INFECTED PERSON Microbial diseases that can spread from an infected person to a healthy person through air, water, food or physical contact are called communicable diseases. When a person suffering from common cold sneezes, fine droplets of moisture carrying thousands of viruses are spread in the air. The virus may enter the body of a healthy person even through blood transmission. Examples - cholera, common cold, chicken pox ,HIV PowerPoint Presentation: THROUGH VECTORS There are some insects and animals which act as carriers of disease-causing microbes. Examples of carriers are: the female Anopheles mosquito which carries the parasite of malaria; Female Aedes mosquito acts as carrier of dengue virus. All mosquitoes breed in water. Hence, one should not let water collect anywhere, in coolers, tyres , flower pot etc. By keeping the surroundings clean and dry we can prevent mosquitoes from breeding. PowerPoint Presentation: THROUGH CONTAMINATED FOOD Housefly is one such carrier. The flies sit on the garbage and animal excreta. Pathogens stick to their bodies. When these flies sit on uncovered food they may transfer the pathogens. Food poisoning could be due to the consumption of food spoilt by pathogens. Pathogens that grow in our food sometimes produce toxic substances. These make the food poisonous causing serious illness and even death. So, it is very important that we preserve food to prevent it from being spoilt. Avoid consuming uncovered items of food. PowerPoint Presentation: FOOD POISONING MICROBES FUNGI BACTERIA Aflatoxin Brucella spp Citrinin Clostridium Ochratoxin A E.Coli Patulin Vibrio cholera Penitrem Salmonella spp VIRUS ALGAE Enterovirus Paralytic Hepatitis A Diarrhoetic Norovirus Neurotoxic Rotavirus Amnesic Hepatitis E PowerPoint Presentation: Human Disease Causative Microorganisms Mode of Transmission Preventive Measures (General) Tuberculosi S Measles Chicken Pox Polio Bacteria Virus Virus Virus Air Air Air/Contact Air/Water Keep the patient in complete isolation. Keep the personal belongings of the patient away from those of others. Vaccinations to be given at suitable age Cholera Typhoid Bacteria Bacteria Water/Food Water Maintain personal hygiene and good sanitary habits. Consume properly cooked food and boiled drinking water. Vaccination Hepatitis A Virus Water Drink boiled drinking water. Vaccination. Malaria Protozoa Mosquito Use mosquito net and repellents. Spray insecticides and control breeding of mosquitoes by not allowing water to collect in the surroundings. Some Common Human Diseases caused by Microorganisms PowerPoint Presentation: Several microorganisms not only cause diseases in humans and plants, but also in other animals. For example, anthrax is a dangerous human and cattle disease caused by a bacterium. Foot and mouth disease of cattle is caused by a virus. Robert Köch (1876) discovered the bacterium ( Bacillus anthracis) which causes anthrax disease. Disease-causing Microorganisms in Animals Disease-causing Microorganism in Plants: Disease-causing Microorganism in Plants Several microorganisms cause diseases in plants like wheat, rice, potato, sugarcane, orange, apple and others. The diseases reduce the yield of crops. They can be controlled by the use of certain chemicals which kill the microbes. Some Common Plant Diseases caused by Microorganisms: Some Common Plant Diseases caused by Microorganisms Plant Disease Microorganism Mode of Transmission Figure Citrus canker Bacteria Air Rust of wheat Fungi Air, seeds Yellow vein mosaic of bhindi (Okra) Virus Insect : Done by MOHANA PRASATH.D SRIVARMAA.V SUSHAANTHAN.R.T

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