Microscope and Cladogram Quiz

What is the function of the objective lens in a microscope?

• To illuminate the specimen

• To magnify the image of the specimen

• To hold the slide in place

• To adjust the focus

If the eyepiece lens of a microscope has a magnification of 10x and the objective lens has a magnification of 40x, what is the total magnification?

• 400x

• 50x

• 30x

• 4000x

Convert 5 millimeters to micrometers.

• 5000 micrometers

• 500 micrometers

• 0.5 micrometers

• 50 micrometers

Which part of the microscope is used to adjust the amount of light that reaches the specimen?

• Coarse focus knob

• Fine focus knob

• Diaphragm

• Stage

What is the principle of parsimony in cladistics?

• The simplest explanation is preferred

• The most complex explanation is preferred

• The explanation with the most assumptions is preferred

• The explanation with the least data is preferred

Convert 0.75 meters to centimeters.

• 75 centimeters

• 7.5 centimeters

• 750 centimeters

• 0.075 centimeters

Which part of the microscope is primarily responsible for focusing the image?

• Eyepiece

• Objective lens

• Coarse focus knob

• Stage clips

In a cladogram, what does a node represent?

• A common ancestor

• An extinct species

• A living species

• A mutation

Convert 2.5 kilometers to meters.

• 2500 meters

• 250 meters

• 25 meters

• 25000 meters

What is the purpose of using a cover slip on a microscope slide?

• To magnify the specimen

• To protect the objective lens

• To flatten the specimen and keep it in place

• To adjust the light intensity