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Why is yeast used in the baking industry for making bread, cakes and pastries?
Why are viruses different from other microorganisms?
Explain canning.
Name the modes of transmission of communicable disease.
Define virus.
What is fermentation?
What are microorganisms?
Mention any three ways through which pathogens are transmitted.
Explain how malaria is transmitted to humans.
Explain why antibiotics do not work against flu or any infection caused by viruses.
How do microorganisms help in agriculture?
Explain various types of bacteria.
Where are microorganisms found?
What are antibodies?
What are communicable diseases?