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प्रश्न
Select the odd one in the following series:
Retina, Sclera, Ciliary body, Nephron.
उत्तर
Nephron
APPEARS IN
संबंधित प्रश्न
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which is the weaker eye?
What job does the pupil of the eye do?
What changes take place in the shape of eye-lens:
when the eye is focused on a near object?
If you walk from a dark room into sunlight and back again into dark room, how would your pupils alter in size? What makes this happen?
The descriptions of five kinds of images are given below:
(a) diminished and virtual
(b) enlarged and real
(c) enlarged and erect
(d) real and inverted
(e) virtual and the same size
Which one of these describes the image formed:
(i) on the retina of the eye?
(ii) by a magnifying glass?
(iii) by a convex driving mirror on a car?
(iv) by a plane mirror?
(v) on the screen of a slide projector?
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?
Mention if the following statement is true (T) or false (F) Give reason.
Ciliary muscles regulate the size of the pupil
Name the respective organs in which the following are located and mention the main function of each:
(i) Iris
(ii) Semicircular canals
Give Technical Term:
Name the part of the retina on which an object is focused for the clearest vision.
State the Function:
Iris
Long answer question
Draw the neat labelled diagram of the Sectional view of the human eye.
The image of the object in the human eye is formed on the cross screen.
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?
______ is a transparent layer.
Which one of the following statements is NOT correct?
State the functions of the following:
Iris
Write in proper sequence the names of all the parts of the human eye through which the light rays coming from an object pass before they form an image on the retina.
Name the following:
The fibres which collectively hold the lens in position.
Name the following:
Two pigments of the sensory cells.
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.
