Which One of These are the Most Convenient Unit for Measuring

Question

Which one of these are the most convenient unit for measuring cells?
A) millimeter
B) micrometer
C) nanometer
D) picometer
E) centimeter

Accepted Answer

Micrometers are the most convenient unit for measuring cells because the average size of cells ranges from a few to several tens of micrometers, making this unit of measurement most appropriate for their scale.