10. You should carry the microscope by the
A. arm and base
B. mirror
C. stage
D. aperture

11. is a small knob on the side of the microscope used to focus fine tune the focus of the specimen
A fine adjustment
B. revolving nose piece
C. diaphragm
D. low power objectives

12. Is the hole in the middle of the stage that allows light from the illuminator to reach the specimen?
A. aperture
B. base
C. mirror
D. eye piece

13. is a curved glass that bends light that passes through it.
A mirror
B. diaphragm
C. eye piece
D. stage clip

14 Which of the following the biggest part of biological organization?
A. Biosphere
B. Population
C. Ecosystem
D. Biome​