Question

What is harmful bacteria ? What are 4 uses of bacteria

Answer 1

Answer:

Some types of bacteria can cause diseases in humans, such as cholera, diptheria, dysentery, bubonic plague, pneumonia, tuberculosis (TB), typhoid, and many more. If the human body is exposed to bacteria that the body does not recognize as helpful, the immune system will attack them.

Explanation:

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Answer 2

Answer:

Harmful bacteria are called pathogenic bacteria because they cause disease and illnesses like strep throat, staph infections, cholera, tuberculosis, and food poisoning.

There are four common forms of bacteria-coccus,bacillus,spirillum and vibrio.

1. Coccus form:- These are spherical bacteria.  

2. Bacillus form:- These are rod-shaped bacteria.  

3. Spirilla form:- These are spiral-shaped bacteria that occur singly.

4. Vibrio form:- These are comma-shaped bacteria.