Q. The smallest size of a cell that can be seen with naked eye is _____:
Answer: 100 micron
Notes: 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.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 107 in 4. Cell Biology & Organelles in above course in App.