1.Which of the following refers to the smallest living units of an organism?



A. atom


B. cell


C. organ


D. tissue

2.Which part of the microscope is under mechanical support?



A. diaphragm


B. fine adjustment knob


C. light source


D. stage

3.Which is the other term for ocular lens?



A. base


B. condenser


C. diaphragm


D. eyepiece

4.Which of the following parts is responsible for regulating the amount of light entering the lens system?



A. condenser


B. diaphragm


C. eyepiece


D. revolving nosepiece

5. Which of the following parts can bring the specimen into sharp focus?



A. coarse adjustment knob


B. fine adjustment knob


C. light source


D. revolving nosepiece