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प्रश्न
With reference to the functioning of the eye, answer the question that follow:
Name the cells of the retina and its respective pigments which get activated in the light.
उत्तर
In the light: Cells - cone cells, Pigment – iodopsin
संबंधित प्रश्न
Write the function of retina in human eye.
Describe the anatomy of the human eye.
Match the following:
| Column I | Column II |
| (i) Myopia | (a) Converging power of eye lens becomes low |
| (ii) Hypermetropia | (b) Converging power of eye lens remains the same |
| (c) Converging power of eye lens becomes high |
Name the part of the eye:
on which the image is formed.
Fill in the following blank with suitable words:
When light is dim, the pupil becomes................
An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus?
Why does the eye-lens not have to do all the work of converging incoming light rays?
Name the following:
Short sightedness.
Define the following:
Yellow spot
What is a stereoscopic vision?
Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
Give Technical Term:
The fluid which conveys the vibrations of sound in the cochlea and semicircular canals.
State the Location:
Iris
State the Function:
Cornea
Long answer question
Draw the neat labelled diagram of the Sectional view of the human eye.
Boojho while waving his hand very fast in front of his eyes, observes that his fingers appear blurred. What could be the reason for it?
State the functions of the following:
Iris
With reference to human eye answer the question that follow:
Name the part of the eye associated with the layer providing nourishment to the eye.
With reference to human eye answer the question that follow:
Name the part of the eye associated with the regulation of the shape of lens.
