Exploring Microscope

1) Which part of the microscope controls the amount of light that passes through the specimen?

• A) Objective lens

• B) Eyepiece

• C) Diaphragm

• D) Stage

2) What is the primary function of the coarse adjustment knob?

• A) To adjust the amount of light passing through the slide

• B) To move the stage up and down for rough focusing

• C) To increase magnification

• D) To hold the slide in place

3) When preparing a wet mount slide, which step should be done first?

• A) Placing a coverslip at an angle over the specimen

• B) Adding a drop of water to the specimen

• C) Drying the specimen with a paper towel

• D) Viewing the specimen under high power immediately

4) Which objective lens provides the highest magnification on a compound microscope?

• A) 4× (Scanning)

• B) 10× (Low power)

• C) 40× (High power)

• D) 100× (Oil immersion)

5) Why is it important to start with the lowest magnification when observing a specimen?

• A) To get the clearest image immediately

• B) To prevent breaking the slide or damaging the objective lens

• C) To see the finest details first

• D) To avoid using the diaphragm