English

Write the main functional activity of the following structure. Ciliary body and suspensory ligament - Biology

Advertisements
Advertisements

Question

Write the main functional activity of the following structure.

Ciliary body and suspensory ligament

One Line Answer

Solution

Ciliary body and suspensory ligament contains muscles which on contraction and relaxation, change the shape of the lens (being somewhat elastic) for viewing objects at different distances.

shaalaa.com
  Is there an error in this question or solution?

RELATED QUESTIONS

Describe the anatomy of the human eye.


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 is the least distance of distinct vision for a normal human eye?


Name the part of our eyes which helps us to focus near and distant objects in quick succession.


A person walking in a dark corridor enters into a brightly lit room: 

 State the effect on the pupil of the eye. 


What are rods and cones in the retina of an eye? Why is our night vision relatively poor compared to the night vision of an owl?


Draw a simple diagram of the human eye and label clearly the cornea, iris, pupil, ciliary muscles, eye-lens, retina, optic nerve and blind spot. 


 Explain why, we cannot see our seats first when we enter a darkened cinema hall from bright light but gradually they become visible.


What shape are your eye-lenses:  

when you look at your hand?


Which of the following have a wider field of view?
(a) Animals having two eyes on the opposite sides of their head.
(b) Animals having two eyes at the front of their head.


With reference to the functioning of the eye, answer the question that follow:

Name the two structure in the eye responsible for bringing about the change in the shape of the lens.


Name the following:
The type of lens used for correcting myopia.


State the Location:
Iris


 Choose the Odd One Out: 


Complete the following sentence with appropriate Word
The photoreceptor cells of the retina sensitive to colour are:


Complete the following sentence with appropriate Word
The aperture in the eye through which light enters is the:


Draw the struture of human eye and label its parts.


Match the following:

Column - I Column - II
1. Retina a. Pathway of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia f. Power of accommodation

Name the following:

Capacity of the eye to focus at different distances.


The layer in the eye where sensory cells (rods and cones) are located ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×