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Worksheets

Eye Basics

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

what is the function of the lacrimal apparatus

a)

Tear production and drainage

b)

Protects the eye from excess light

c)

Helps in eye movement

d)

Protects the eye from minute dust particles

2.

Which of the following is not part of the lacrimal apparatus

a)

lacrimal glands

b)

puncta

c)

nasolacrimal duct

d)

Conjunctiva

3.

Our tears form a nutritive layer at the front of the eye

a)

True

b)

False

4.

Nutritive Layer is formed by

a)

Iris, choroid & Ciliary Body

b)

Sclera & Cornea

c)

Pigmented Layer

d)

Neuronal layer

5.

Sensory layer is made up of

a)

Neuronal layer

b)

Pigmented layer

c)

Both

6.

The conjunctiva is a thick , transparent mucous membrane which lines the outer surface of eyelids•

a)

True

b)

False

7.

Which of following is not correct about Cornea

a)

Cornea is transparent part of eye which allows light to enter the eye.

b)

Continuous with the Choroid

c)

Outer surface epithelium protects from abrasions

d)

Inner surface epithelium, contains sodium pumps that help maintain clarity of cornea

8.

Smooth white part of the eyeball is called as

a)

Choroid

b)

Cornea

c)

Sclera

d)

Iris

9.

The middle vascular layer/ nutritive tunic has

a)

choroid,

b)

ciliary body

c)

Iris

d)

All

10.

------lies between the sclera and the retina.

a)

Iris

b)

Choroid

c)

Pupil

d)

Conjunctiva

11.

The choroid along with ciliary body and the iris form the

a)

Uveal tract

b)

Trabecular tract

c)

Vitreous tract

d)

Aqueous Tract

12.

Contraction of ciliary muscles changes shape of lens

a)

True

b)

False

13.

The colorful part of the eye is--

a)

Iris

b)

Ciliary body

c)

Choroid

d)

Retina

14.

Which Structure divide aqueous chamber into anterior & posterior chambers.

a)

Iris

b)

Ciliary body

c)

Pupil

d)

Lens

15.

The black circular opening in the center of the iris is known as

a)

Cornea

b)

Pupil

c)

Iris

d)

Conjunctiva

16.

The pupil dilates when there is no light and constricts when light shines

a)

True

b)

False

17.

The lens' job is to focus light rays on the back of the eyeball - a part called

a)

Retina.

b)

Choroid

c)

Iris

d)

Optic nerve

18.

The Cornea takes the light , the eye receives and changes it into nerve signals

a)

True

b)

False

19.

Choose the right path of Physiology of Vision

a)

Cornea >> Aqueous Humor>>Pupil>>Lens>>Vitreous humor>>Retina>> Brain (cerebral cortex)

b)

Cornea >> Pupil >>Aqueous Humor >> Vitreous Humor >> lens>>Retina>> Brain (cerebral cortex)

20.

Anterior chamber of Aqueous Humor is the present between

a)

the iris and the cornea

b)

the iris and the lens

21.

Filled with a clear watery fluid called the

a)

aqueous humor

b)

Vitreous humor

c)

Tear

22.

Through the trabecular meshwork, aqueous humor drains into

a)

Blood stream

b)

Uveoscleral outflow

c)

Trabecular outflow

23.

The functions of the aqueous humor is to

a)

Maintain the intraocular pressure

b)

Provide nutrition

c)

Carry away waste products

d)

All of the above

24.

The functions of the vitreous humor include

a)

Maintains shape of eyeball

b)

Maintains intraocular tension & Nutritive function

c)

Maintains intraocular tension

d)

All

25.

Vitreous humor present between the back of the lens and the surface of the retina.

a)

True

b)

False