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

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