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प्रश्न
With reference to human eye answer the question that follow:
Name the part of the eye associated with the regulation of the size of pupil.
उत्तर
Iris
संबंधित प्रश्न
What is the name of:
the light-sensitive layer in the eye?
What changes the shape of lens in the eye?
Define the term "power of accommodation" of human eye.
Which of the following changes occur when you walk out of bright sunshine into a poorly lit room?
(a) the pupil becomes larger
(b) the lens becomes thicker
(c) the ciliary muscle relaxes
(d) the pupil becomes smaller
What shape are your eye-lenses:
when you look at a distant tree?
Which parts of the eye cause rays of light to converge on the retina?
How much is our field of view:
with both eyes open?
Mention, where in living organism is the following located and state their main function:
Fovea centralis
State the function of each of the following parts of the human eye:
(i) Cornea
(ii) Iris
(iii) Pupil
(iv) Retina
Millions of people of the developing countries are suffering from corneal blindness. This disease can be cured by replacing the defective cornea with the cornea of a donated eye. Your school has organised a campaign in the school and its neighbourhood in order to create awareness about this fact and motivate people to donate their eyes after death. How can you along with your classmates contribute in this noble cause? State the objectives of organising such campaigns in schools.
Name the following:
Yellow spot and ciliary muscles are found in.
State the Function:
Iris
Choose the Odd One Out:
Choose the Odd One Out:
Write scientific reason.
The movie cannot be enjoyed if seat of a viewer is too close to the screen in the cinema.
Which one of the following statements is NOT correct?
Which cells of the retina enable us to see coloured objects around us?
With reference to human eye, answer the following question.
What is blind spot?
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.
Write the main functional activity of the following structure.
Choroid
