PHS: KS3 8J Light 02

Which of these parts of the eye are transparent?

• lens only

• lens and retina

• lens and cornea

• lens and iris

Which part of the eye helps to focus the eye?

• cornea only

• lens only

• cornea and lens

• cornea, lens and iris

What is the coloured part of the eye called?

• pupil

• iris

• lens

• cornea

Which part of the eye contains special cells that detect light?

• retina

• cornea

• iris

• lens

Which part of a camera is similar to the pupil in an eye?

• aperture

• sensor

• shutter

• lens

Which nerve carries electrical impulses from the eye to the brain?

• optic nerve

• auditory nerve

• retinal nerve

• olfactory nerve

Which type of cells in the retina detect colours?

• rods

• cones

• cylinders

• cubes

Which part of a camera changes energy transferred by light into electrical signals?

• sensor

• lens

• shutter

• memory card

Which statement is not correct

• Our retinas have rod cells and cone cells.

• Rod cells detect different colours.

• There are three types of cone cells that detect red, blue and green light.

• Cells in the retina convert energy transferred by light into nerve impulses.

Which of these camera parts does not have an equivalent in the eye?

• aperture

• shutter

• sensor

• lens