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प्रश्न
Explain the harmful effects of micro-organisms.
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उत्तर
Microorganisms are not always beneficial can lead to various kinds of damage. This damage can be in terms of health of humans and animals, crop production etc. There are various kinds of microorganisms which are known to cause disease in humans and animals.
| Human disease | Pathogen |
| Tuberculosis | Bacteria |
| Measles | Virus |
| Chicken pox | Virus |
| Polio | Virus |
| Cholera | Bacteria |
| Typhoid | Bacteria |
Similarly there are certain species of microorganisms which cause disease in plants and affect the crop productivity.
| Plant disease | Pathogen |
| Citrus canker | Bacteria |
| Rust of wheat | Fungi |
| Yellow vein mosaic of bhindi (okra) | Virus |
संबंधित प्रश्न
Cholera is caused by _________.
Chicken pox is a communicable disease.
What are pathogens?
Write a short note on common human diseases caused by microorganisms.
Microbes that generally enter the body through nose are likely to affect ______.
The disease caused by a protozoan and spread by an insect is ______.
Unscramble the jumbled word underlined in the following statement.
Xanrhat is a dangerous bacterial disease
Suggest a suitable word for the following statement.
Chemicals which kill or stop the growth of pathogens
Name two diseases that are caused by virus.
Mention the symptoms and preventive measures undertaken for foot and mouth disease in animals.
