1. Which focusing knob can be used with low power? A. Diaphragm B. Inclination Knob C. High power objective D. Coarse adjustment knob 2. How many objective lenses are there in a compound microscope? A. 1 B. 3 C. 6 D. 12 3. Where should a specimen be positioned under a microscope under low power to view it correctly? A. Middle B. Bottom C. Left side D. Right side 4. To focus a specimen, it is best to start with which objective: A. Ocular B. Scanning C. Low power D. High power 5. Which part of the microscope is used to sharpen the focus of the specimen? A. Fine adjustment knob B. Coarse adjustment knob C. Low power objective lens D. High power objective lens​