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| Q. |
The smallest size of a cell that can be seen with naked eye is: |
| A. | 1 micron |
| B. | 10 micron |
| C. | 100 micron |
| D. | 1000 micron |
| Answer» C. 100 micron | |
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Explanation: The smallest objects that can be seen with unaided eye are about 0.1 mm long, which is equal to 100 micrometres. Micron (u) is an alternate name of micrometre. |
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