18. What are the advantages and disadvantages of using the HPO.

A. The image is greatly magnified, details of the letter or cell structure can be observed.
B. Disadvantage is reduced field of view and the whole letter or structure cannot be observed.
C. Looking through the eyepiece, the fine adjustment knob is turned until the clearest image is seen.
D. A and B

19. What is the distance of the microscope from the edge of the table? A. 10ncentimeters C. 5 centimeters B. 15 centimeters D. 20 centimeters

20. In which part of the microscope when observing the specimen must be carefully lowered until the end of the LPO will almost touch the cover slip without tilting the microscope.
A. Eyepiece C. arm B. Body tube D. stage

Nonsensce reported​