8. You are to transfer the microscope to the next room. Which parts should you be holding in carrying the microscope properly?
A. body tube and base
B. body tube and base
C. arm and base
D. arm and body tube

9. What is the total magnification power of a microscope with two lenses when one lens has a magnification of 10× and the other lens has a magnification of 40×?
A. 400×
B. 50×
C. 30×
D. 4×

10. What is the magnification power in eyepiece, when the objective used is 10× and the total magnification power of the microscope is 150×?
A. 10×
B. 5×
C. 20×
D. 15×​