Advertisements
Advertisements
प्रश्न
State the Function:
Conjunctiva
उत्तर
It binds the eye ball to the bony orbit of the skull and supplies nourishment.
APPEARS IN
संबंधित प्रश्न
Distinguish between: aqueous humor and vitreous humor
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which lens has a greater focal length?
Out of rods and cones m the retina of your eye:
which work in dim light?
There are two types of light-sensitive cells in the human eye:
To what is each type of cell sensitive?
Nocturnal animals (animals which sleep during the day and come out at night) tend to have wide pupils and lot of rods in their retinas. Suggest reasons for this.
How much is our field of view:
with one eye open?
With reference to the functioning of the eye, answer the question that follow:
What is the shape of the lens during near vision?
Define the following:
Yellow spot
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.
Sketch and label V.S. of a human eye.
Name the following:
The part of the eye responsible for change in the size of the pupil.
State the Location:
Iris
Complete the following sentence with appropriate Word
The photoreceptor cells of the retina sensitive to colour are:
Write the name.
The fleshy screen behind cornea.
The image of an object at an infinite distance is obtained in a real and erect form through a convex magnifying glass.
Draw the struture of human eye and label its parts.
Shylesh is a school-going kid studying standard VIII. He is crazy about playing video games on mobile phones. After a couple of months, his eyes turned red and he felt severe pain in his eyes. His science teacher enquired about this and advised his parents to take him to an eye doctor.
- How does excessive usage of mobile phone affect our eyes?
- What are the values shown by the teacher?
When light rays enter the eye, most of the refraction occurs at the ____________.
With reference to human eye, answer the following question.
What is blind spot?
Write the main functional activity of the following structure.
Ciliary body and suspensory ligament
