Intro to Microscopes

What is the basic unit of life in all living things?

• atoms

• molecules

• cells

• elements

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All cells come from...

• existing cells

• matter

• spontaneous generation

• electrical impulses

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All living things are made of one or more...

• electrons

• atoms

• molecules

• cells

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When observing cells, which of the following optical tools is most appropriate?

• Hand lens
• Telescope
• Petri dish
• Microscope

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The arrow is pointing to this part of the microscope.

• eye piece

• stage

• objective lenses

• arm

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x
• 55x
• 65x
• 550x

When looking at a specimen on your slide, you should always start with the

• low objective lens
• medium objective lens
• high objective lens
• super extra high power lens

How are plant and animal cells similar?

• They have chloroplasts, mitochondrias, AND cell walls

• They have a nucleus, cytoplasm, and cell membranes

• They have the same shape

• They have large vacuoles

The type of microscope most regularly used at a secondary school is... 

• Light microscope 
• Stereo-microscope 
• Stereo-sonic microscope 
• Electron microscope 

The__________ sharpens the image under high magnification.

• the diaphragm
• fine adjustment knob
• coarse adjustment knob
• the ocular