Pretest Sense Organ (Past Paper Questions)

Which structure can reduce how much light enters the eye

• A

• B

• C

• D

Where in the eye is the greatest concentration of cells that allow humans to see colour?

• A

• B

• C

• D

The diagram shows the density of rods and cones across a section of the retina. What is the position of the fovea?

• A

• B

• C

• D

The diagram shows a section through the eye of an octopus. Octopuses have eyes that are similar in structure and function to human eyes.

Which row identifies the structures of the octopus eye?

• A

• B

• C

• D

What controls how much light enters the eye?

• A

• B

• C

• D

The diagram shows the appearance of an eye when in bright light.

Which row gives the correct states of the iris muscles in bright light?

• A

• B

• C

• D

The diagram shows an eye. Which labelled part contains cells that are sensitive to light?

• A

• B

• C

• D

The diagram shows the structure of a human eye.

Which of these is the structure labelled X?

• conjunctiva

• cornea

• lens

• retina

When looking at a close object, which row of the table shows the state of the ciliary muscles and suspensory ligaments?

• A

• B

• C

• D

Which part of the human eye is sensitive to light?

• iris

• lens

• optic nerve

• retina