Some microorganisms are also used as medicines
Let's study these one by one
We know that diseases are caused by harmful microorganisms.
There are some microorganisms which are good for us and fight these harmful microorganisms
Antibiotic medicines contain these good microorganisms which enter our body and kill harmful microorganisms
Streptomycin, tetracycline and erythromycin
What precautions must be taken while taking antibiotics
1-Antibiotics should be taken only when advised by a qualified doctor
2-A person must complete the full course as prescribed by the doctor
3-Antibiotics should be taken in proper doses as advised by the doctor.If a person takes antibiotics in the wrong doses or when not needed,it might make the antibiotocs less effective when the person might need them in future.
4-Antibiotics should not be taken unnecessarily as it may kill the useful bacteria in the body.
Vaccines are prepared with the help of microorganisms
These vaccines help the body in making antibodies which fight these microorganisms and prevent diseases in future
Polio Drops are given to children
Injections for Hepatitis ,smallpox,cholera are also given
NCERT Question 2 (b) - Tick the correct answer:
The following is an antibiotic
(i) Sodium bicarbonate (ii) Streptomycin (iii) Alcohol (iv) Yeast
NCERT Question 9 - What are antibiotics? What precautions must be taken while taking antibiotics?
NCERT Question 5 -
What are the major groups of microorganisms?