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प्रश्न
State the functions of the following:
Ciliary muscles
उत्तर
Adjust the curvature of the eye's lens to concentrate on objects at different distances.
संबंधित प्रश्न
Name the part of the retina which is insensitive to light.
Give the scientific names of the following parts of the eye:
a clear window at the front of the eye.
Give the scientific names of the following parts of the eye:
changes shape to focus a picture on the retina.
What changes take place in the shape of eye-lens:
when the eye is focused on a distant object?
How does the convex eye-lens differ from the ordinary convex lens made of glass?
Having two eyes gives a person:
(a) deeper field of view
(b) coloured field of view
(c) rear field of view
(d) wider field of view
Name the following:
The photoreceptors found in the retina of the eye.
Name the following:
White part of the eye.
Give the main function of the following:
Three semicircular canals
The figure below compares a part of our eye with a part of a photographic camera.
Explain the mode of working and the functions of the parts of the eye mentioned above.
Name the following:
The region in the eye where the rods and cones are located.
Give Technical Term:
The fluid which conveys the vibrations of sound in the cochlea and semicircular canals.
State the Function:
Iris
Complete the following sentence with appropriate Word
The aperture in the eye through which light enters is the:
Write the function of the human eye and label parts of the figure given below.
Vitreous humour is present between ______.
Match the following:
|
Column - I |
Column - II | ||
| 1 | Retina | a | Path way of light |
| 2 | Pupil | b |
far point comes closer |
| 3 | Ciliary muscles | c |
near point moves away |
| 4 | Myopia | d | Screen of the eye |
| 5 | Hypermetropia | e | Power of accommodation |
Write the main functional activity of the following structure.
Choroid
With reference to human eye answer the question that follow:
Name the part of the eye associated with keeping the lens moist and protecting it from physical shock.
