Microscopy

What is number 9?

• Stage

• Eye piece lens

• Diaphragm

• Objective lens

What is number 4?

• Stage

• Eye piece lens

• Diaphragm

• Objective lens

On which number you put your specimen?

• 9

• 4

• 11

• 12

On which number you see graticule?

• 9

• 4

• 11

• 12

Which number you will adjust to focus the image?

• 6

• 4

• 11

• 12

Which number you will adjust to increase the magnification?

• 6

• 4

• 11

• 12

Advantage of using light microscope compared to electron microscope

• Greater magnification

• Sample can be alive or dead

• Greater resolution

• Sample only dead

Organelle that can only be visible using electron microscope is

• Nucleus

• Cell wall

• Ribosome

• Chloroplasts

Which equation is correct for calculating the magnification, actual size, or image?

• A = M ÷ I

• A = I × M

• I = M ÷ A

• M = I ÷ A

10 mm is equal to

• 100 µm

• 1000 µm

• 10.000 µm

• 100.000 µm