Free Printable Eye Structure and Function

1.

Name structure A

a)

Pupil

b)

Iris

c)

Cornea

d)

Retina

2.

Name Structure B

a)

Lens

b)

Pupil

c)

Sclera

d)

Cornea

3.

Name structure G

a)

Lens

b)

Pupil

c)

Optic Nerve

d)

Ciliary Muscles

4.

What structure is responsible for carrying sensory impulses from the eye to the brain?

a)

Retina

b)

Iris

c)

Optic Nerve

d)

Rods & Cones

5.

What will happen to your pupils if you are in a really bright room?

a)

They will contract

b)

They will expand

c)

They will burst into flames

d)

They will stay the same size

6.

What structure of the eye controls the size of the pupils?

a)

Ciliary Muscles

b)

Iris

c)

Lens

d)

Retina

7.

What is the function of the Lens?

a)

Lining of the back of the eye that contains light receptor cells.

b)

Regulates how much light enters the eye

c)

Tough, transparent, protective coating that bends light as it enters the eye

d)

Focuses light onto the retina

8.

Name structure C

a)

Ciliary Muscles

b)

Retina

c)

Optic Nerve

d)

Iris

9.

Name structure F

a)

Sclera

b)

Cornea

c)

Optic Nerve

d)

Lens

10.

Which type of animals are likely to have binocular vision?

a)

Insects

b)

Prey

c)

Predators

d)

Mammals

11.

What happens to your eyes if you are in a dark room?

a)

Your Iris will narrow to allow more light in

b)

Your pupils will widen to let in more light

c)

Your pupils will narrow to let in more light

12.

A study was carried out to investigate colour deficiency in different ethnicity groups. 500 boys across different ethnicities were tested for colour blindness. The results are shown. How many Caucasian boys were colour blind?

a)

96

b)

56

c)

28

d)

32

13.

A study was carried out to investigate colour deficiency in different ethnicity groups. 500 boys across different ethnicities were tested for colour blindness. The results are shown. How many Hispanic boys were colour blind?

a)

13

b)

16

c)

19

d)

12

14.

An investigation was carried out to determine if two eyes are better than one. A pupil was blindfolded and had to thrown a bean bag to hit a target. Out of 20 throws, he successfully hit 9 of them. What is this as a percentage?

a)

49%

b)

23%

c)

40%

d)

45%

15.

An investigation was carried out to determine if two eyes are better than one. A pupil was blindfolded and had to thrown a bean bag to hit a target. On his first attempt, he managed to hit the target 10 times. On the second attempt he hit it 14 times. What is the percentage change in successful attempts?

a)

50%

b)

40%

c)

45%

d)

35%

16.

Identify structure D

a)

Retina

b)

Optic Nerve

c)

Sclera

d)

Lens

17.

Identify Structure E

a)

Retina

b)

Sclera

c)

Optic Nerve

d)

Lens

Eye Structure and Function

Total questions: 17

Worksheet time: 12mins

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