Microscope Techniques and Applications

What is the name of the microscope used in the 'It's Alive' lab?

• Electron microscope

• Simple microscope

• Compound light microscope

• Digital microscope

Why is the microscope considered one of the most important inventions in life science?

• It helps in cooking food.

• It is used for measuring time.

• It allows us to see the building blocks of life.

• It helps in viewing distant stars.

What are the magnification powers of the eyepiece and the three objective lenses?

• 10x, 4x, 10x, 40x

• 5x, 10x, 20x, 50x

• 15x, 5x, 15x, 45x

• 20x, 8x, 20x, 60x

What is the total magnification power of the microscope when using the high power objective lens?

• 400x

• 100x

• 40x

• 1000x

What is the function of the coarse focus knob?

• To change the objective lenses

• To move the stage up and down for focusing

• To adjust the light intensity

• To hold the slide in place

What should you do if the object is not centered in your field of view?

• Turn off the light source

• Move the slide in the same direction you want the image to move

• Move the slide in the opposite direction you want the image to move

• Change the objective lens

What is the first step in focusing a slide?

• Turn on the light source

• Place the slide on the stage

• Adjust the diaphragm

• Turn off the light source

Why should you not use the coarse focus knob under low or high power?

• It will make the image too bright

• It may damage the slide or lens

• It will turn off the microscope

• It will change the magnification

What should you do before increasing the magnification?

• Re-center the image

• Turn off the light

• Adjust the coarse focus knob

• Remove the slide

How should you handle the microscope when moving it to a different location?

• Hold it by the stage clips

• Hold it by the eyepiece

• Hold it by the objective lens

• Support it from the bottom and hold it by the arm