Question

D).Long answers:
1) What is a microorganism?
2) What happens to dough when you add small amount
of yeast powder to it?
3) How do vaccines protect children from disease?
4) Why should we keep a handkerchief on the nose and
mouth while sneezing?
5) What is pasteurization? Who discovered this
process?
6) Define the term "carrier". Name some common
carriers of disease causing microbes.
7) What are antibiotic? Who discovered antibiotics?
8) What are communicable diseases? How will you
prevent the spread of communicable disease?
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Answer 1

Answer:

dude I know only 5 answers it will surely help you alot:-

Explanation:

1. microorganisms are very small living thing like bacteria , virus, protozoa , fungi.

3. When vaccine is given to any child he or she develop immunity to fight against disease

4. we should keep hankerchief while sneezing because germs couldn't spread any further way.

5. A french chemist Louis pasteur invent paustersation.

6. see the pic