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Harmful and Useful Microorganisms Presentation
- 2. TOPIC Harmful & Useful Microorganisms
- 3. INTRODUCTION We all know microorganisms live in soil, water and even inside our body but some microorganisms are useful in our daily life and some are harmful.
- 4. Microorganisms 1. Fungi 2. Bacteria 3. Protozoa 4. Viruses 5. Algae Here are some types of microorganisms that cause diseases in human beings, animals, and plants which can even lead to death. These are harmful as well as useful in our daily life.
- 5. Fungi O Fungi are an important source of food. It is important in bakeries as it is used in the making of bread O It is also used in making antibiotics O Fungi can cause a variety of conditions. Most of them affect the nails or skin, causing rashes or other skin conditions, but some can cause more serious infections. O Some types of diseases cause by fungi in human bodies are: Yeast infection Fungal eye infection Ring worm USEFUL HARMFUL
- 6. Bacteria O Bacteria is useful because it is used in making yogurt and cheese USEFUL HARMFUL O Infections caused by bacteria can make us ill. They reproduce quickly in our body. O Some types of bacteria can cause diseases in humans, such as cholera, tuberculosis (TB), typhoid, etc.
- 7. Protozoa O Protozoa play an important role in mineralizing nutrients, making them available for use by plants and other soil organisms. Protozoa improve the fertility of soil USEFUL HARMFUL O Protozoan infections are responsible for diseases that affect many different types of organisms, including plants and animals. They also affect us from diseases. Some types of protozoa diseases are: 1. Malaria 2. Giardia
- 8. Viruses O We can use Virus to kill cancer cells USEFUL HARMFUL O Viruses can kill, damage, or change the cells and make us sick. Different viruses attack certain cells in our body such as our liver, respiratory system, or blood. Some types of Viruses diseases are: 1. Corona 2. Chicken pox 3. Small pox 4. Measles
- 9. Algae O Algae have various beneficial aspects as they are source of food, they have utilization in industry, minerals, and also act as primary producers and Algae is also used as a fertilizer. USEFUL HARMFUL O There are thousands of species of algae But only a few of these produce toxins or have other harmful effects. O Blue-green algae produce toxins that can make people and animals sick.