Biology Unit Review

If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?

• nucleus

• mitochondria

• cell membrane

• cell wall

Tags

NGSS.MS-LS1-2

What is the name of the structure labeled #10?

• objective lens

• ocular lens

• aperture

• nosepeice

What is the function of the structure labeled #10?

• controls amount of light that passes through the slide

• it is used to change the magnification of the object

• it holds that slide in place

• it is used to carry the microscope

while focusing a microscope on high power a student crushed the cover slip. The student probably

• closed the diaphragm

• turned up the light intensity

• rotated the eyepiece

• used the course adjustment knob

A microscope has an ocular magnification of 10 and a high power objective magnification of 50. What is the highest total magnification of the microscope?

• 500x

• 400x

• 50x

• 40x

what is the function of the structure labeled #4?

• used with meduim and high power objectives to bring an object into focus

• used with low power objective to bring an object into focus

• used with all objectives to brign an object into focus

• it is used to change the magnification of the object

What is wrong this how the student is carrying the microscope in the image?

• They are using two hands.

• They are carrying it close to their body.

• The plug is not wrapped around the base.

• They are walking. 

What is the approximate size of one of the cells in the field of view shown?

• 0.5 mm

• 1.0 mm

• 1.5 mm

• 2.0 mm

Tags

NGSS.MS-LS1-1

What do we call a scientist who studies the classification of living things?

• biologist

• doctor

• taxonomist

• physicist

Which level of classification includes all eukarya?

• Kingdom

• Domain

• Genus

• Species