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Class 12 Biology Practice Test: Microbes in Human Welfare - Microbes
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A microorganism, or microbe, is an organism of microscopic size, which may exist in its single-celled form or as a colony of cells.

Class 12 Biology Practice Test: Microbes in Human Welfare - Microbes
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10 Questions

1. Microbes are only present in hot and humid areas.
2. Which shape of bacteria has been represented in the following diagram?
Rod-shaped bacteria
3. The following diagram represents ____________
Colonies of bacteria on a petri dish
4. Which shape of bacteria has been shown in the following diagram?
Spherical shaped bacteria
5. What is the average size of a microbe?
6. Which of the following is not related to microbes?
7. Which of the following is not microbe?
8. Adenoviruses cause _________
9. In the following diagram, what does the question mark represent?
Find the question mark represents in the rod-shaped bacterium
10. All microbes are harmful to humankind.