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प्रश्न
Choose the correct answer :
The rods and cones of a vertebrate retina function is to _________
विकल्प
focus light
amplify light
transduce light
filter light
उत्तर
The rods and cones of a vertebrate retina function is to filter light
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संबंधित प्रश्न
Define the term.
Power of accommodation of the eye.
A person got his eyes tested by an optician. The prescription for the spectacle lenses to be made reads :
Left eye : +2.50 D
Right eye : +2.00 D
State whether these lenses are thicker in the middle or at the edges.
Where is the image formed in a human eye?
State whether the following statement is true or false:
The image formed on our retina is upside-down
Which parts of the eye cause rays of light to converge on the retina?
Which part brings the image into sharp focus on the retina? How does it do this?
Why does the eye-lens not have to do all the work of converging incoming light rays?
Explain why, when it is getting dark at night, it is impossible to make out the colour of cars on the road.
The figure below compares a part of our eye with a part of a photographic camera.
Name the corresponding parts of the eye the camera shown here that are comparable in function.
Name the following:
The focal length of the lens is altered by the contraction of which type of muscles.
What is the nature of the image that forms on the retina?
Choose the Odd One Out:
Complete the following sentence with appropriate Word
The aperture in the eye through which light enters is the:
A small hole of changing diameter at the centre of Iris is called _______.
When light rays enter the eye, most of the refraction occurs at the ____________.
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
At noon the sun appears white as
Which one of the following statements is NOT correct?
Name the following:
Place of best vision in the retina of the eye.
An aperture that controls the passage of light into the eye is ______.
