EASY
8th CBSE
IMPORTANT
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Iris is the muscular assembly that controls the size of the pupil.

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Important Questions on The Human Eye

EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 2
The eye lens forms a virtual, erect and diminished image of an object, on the retina.
MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 3

The retina of the human eye has a large number of cone-shaped and rod-shaped cells. The rods can respond even in dim light.

EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 4
Cinematography makes use of the persistence of the vision of human eye.
MEDIUM
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 5
For a normal human eye, the range of vision is from (nearly) 25 cm to infinity.
EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 6
Myopia is caused due to excessive curvature in cornea.
EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 1
The change in focal length of eye lens, to focus the image of objects at varying  distance is brought about by the action of :
EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 2
The impression of the image formed on the retina of human eye  remains there for about :
EASY
8th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 11 - The Human Eye>Something To Know>Q 3
The Human eye can focus objects at different distances by adjusting the focal length of the lens. This ability of the eye is known as :