Welcome to your The Invisible Living World MCQs
1.Which of the following is not a use of microorganisms?
2.Microorganisms can be seen with the help of a:
3. Which microorganism is used in the production of antibiotics?
4.Which of these is a viral disease?
5.Yeast is used in baking because it produces:
6.What is the role of microorganisms in the nitrogen cycle?
7.How do friendly microorganisms benefit humans?
8.Which of the following is true about vaccines?
9. What are microorganisms?
10. Which microorganism helps in bread making?
11. What microorganisms cause disease?
12.Which of the following is an example of a microorganism?
13. What is the primary role of yeast in bread making?
14. Which of the following is a beneficial use of microorganisms?
15.Microorganisms can only be harmful and have no beneficial uses.
16. Fungi and bacteria are used to make antibiotics like penicillin.
18. All bacteria are harmful to humans and other living organisms.
19. Preservation by sugar involves reducing the moisture content which inhibits bacterial growth.
20.Vaccines always contain live microorganisms to be effective.
