Short Answer Type Questions
- What are the major groups of microorganisms?
- Name any two diseases caused by bacteria.
- Name any two diseases caused by algae.
- Name any two diseases caused by a virus.
- Name any two diseases caused by protozoa.
- Name any two diseases caused by fungi.
- How are viruses different from other microorganisms?
- Why is the yeast used for making bread, cakes and pastries in the baking industry?
- Name the modes of transmission of communicable diseases.
- Why are some microorganisms considered harmful?
- How is food poisoning caused?
- Define fermentation.
- Discuss the preservation of food by heating.
- Discuss the preservation of food by dehydration.
- Define food poisoning. Discuss its various symptoms.
- What is meant by nitrogen fixation?
- Define antibiotics.
Long Answer Type Questions
- Describe how is sugar converted to alcohol.
- Draw and explain the Nitrogen Cycle.
- What is a vaccine? How does it work?