s2_chp_10.1-10.2_eye_eng_1

Each type of sensory cell detects a particular stimulus.

• T

• F

The sclera of the eye is transparent so that light can pass through it.

• T

• F

The optic nerve sends messages from the retina to the brain.

• T

• F

Long sight can be caused by the eyeball being too long.

• T

• F

Which of the following parts help(s) focus light onto the retina?

• retina

• lens

• cornea

• jelly-like liquid

Which of the following is the image of the letter ‘p’ formed on the retina?

• p

• q

• b

• d

Which of the following statements about rod cells and cone cells is INCORRECT?

• Rod cells and cone cells send messages to the brain when they are stimulated by light.

• Rod cells are responsible for black and white vision.

• Cone cells are sensitive to dim light.

• There are no rod cells and cone cells in the blind spot.

Which of the following eye defects CANNOT be corrected by wearing glasses with suitable lenses?

• Long sight

• Astigmatism

• Colour blindness

• Cataract

Iris controls the size of ____________________.

• pupil

• retina

• lens

• cornea

Lens becomes ___________________ when the eye is looking at a near object.

• long

• short

• thick

• thin