3rd year microscopes

What part of the microscope can you rotate to see different magnifications?

• base

• arm

• objective lens

• eyepiece lens

How do you work out the total magnification?

• eyepiece lens magnification x objective lens magnification

• eyepiece lens magnification + objective lens magnification

How do you work out the actual length of a specimen when given the magnification and image length?

• magnification x image length

• image length + magnification

• image length /magnification

• magnification /image length

What do you place a specimen on?

• cover slip

• base

• slide

• arm

Which is a disadvantage of an electron microscope?

• it's cheap

• it's expensive

• it has poor resolution

• it has poor magnification

What is an advantage of an electron microscope?

• it can only use dead specimens

• it's expensive

• it has high resolution

• it has poor magnification

If you've measured the length of something in mm, how can you convert it to micrometres?

• x 100

• x 1000

• / 100

• / 1000

What organelle is where aerobic respiration occurs?

• ribosome

• chloroplast

• mitochondria

• cytoplasm

Which organelle is where protein synthesis occurs?

• ribosome

• mitochondria

• cytoplasm

• chloroplast

Which organelle houses genetic material and controls the cells activities?

• chloroplast

• mitochondria

• ribosome

• nucleus