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Class 10 Science
Human Eye And The Colourful World Chapter 11
Quiz 1
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The human eye forms the image of an object at its
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Iris
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Pupil
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Cornea
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Retina
The light coming from an object enters the eye through:
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cornea and pupil
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Pupil and retina
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iris and pupil
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cornea and iris
Light from an object enters the eye through the pupil and travels to the back of the eye, forming an image on the retina. What is the orientation of the retinal image, as compared to that of the original object?
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Turned to the left
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Upside down
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Same direction
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Turned to the right
The change in the focal length of an eye lens is caused by the action of
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Ciliary muscles correct
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Aqueous humour
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Optic nerve
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Pupil
The fluid between the retina and the lens is called
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vitreous humour
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humus
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aqueous humour
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aqua
As we increase the distance of an object from the eye, the image distance:
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increases.
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decreases.
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First increases then decreases.
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remains same.
Ability of the eye to see objects at all distances is called
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Binocular vision
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Myopia
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Accommodation
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Hypermetropia
The focal length of the eye lens increases when eye muscles
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are relaxed and lens becomes thicker
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contract and lens becomes thinner
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contract and lens becomes thicker
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are relaxed and lens becomes thinner
Electric nerve pulses from the retina to brain are conveyed by
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ciliary muscles
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aqueous humour
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optic nerves
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pupil
The combination responsible for admitting different amounts of light into eye is
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Ciliary muscles and pupil
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Ciliary muscles and crystalline lens
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Iris and pupil
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Rods and cones
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