Question

Write one word for the following.

1.	Organisms that are visible only with the help of a microscope	....................
2.	Milk protein	....................
3.	Bacteria present in milk	....................
4.	A preparation of killed or weakened disease-causing microbes	....................
5.	Process that involves heating a foodstuff to a high temperature and then cooling it rapidly	....................

Answer 1

1. Microorganisms.
2. Casein.
3. Lactobacillus
4. Vaccine.
5. Pasteurization.