write a note on useful and harmful bacteria.
Answers
Answer:
Along with the beneficial importance of bacteria, they also have some harmful effect on the human body. Some bacterial species are the source of causing diseases like typhoid fever, tuberculosis, cholera, syphilis and food borne illness. To kill harmful bacteria, antibiotics are used.
Answer: This may help you
Explanation:
Bacteria are microscopic organisms that form a huge invisible world around us, and within us. They are infamous for their harmful effects, whereas the benefits they provide are seldom known. Get a brief overview of the good and bad bacteria.
Bacteria, the oldest living organisms on earth, are omnipresent. The human body, the air we breathe, the surfaces we touch, the food we eat, the plants that surround us, the environment we live in, etc., are all replete with bacteria.
Almost 99% of these bacteria are helpful, where the remaining are notorious. In fact, some are essential for the proper growth of other living beings. They are either free-living or form a symbiotic relationship with animals or plants.
The list of helpful and harmful bacteria contain some of the most commonly known beneficial and deadly bacteria.