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Name the Following: the Opening Through Which Light Enters the Eyes. - Biology

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प्रश्न

Name the following:
The opening through which light enters the eyes.

एक शब्द/वाक्यांश उत्तर

उत्तर

Iris

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 9: Nervous System - Exercise 5 [पृष्ठ ११९]

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फ्रैंक Biology [English] Class 10 ICSE
अध्याय 9 Nervous System
Exercise 5 | Q 7.01 | पृष्ठ ११९

संबंधित प्रश्न

Write the function of retina in human eye.


Compare the following: Choroid and retina


The size of the pupil becomes ______ when you see in dim light.


Where is the image formed in a human eye?


Out of rods and cones m the retina of your eye: 

which detect colour? 


Fill in the following blank with suitable word: 

 To bring light from a near object to a focus on the retina of the eye, the convex eye-lens need­ to be made....................


What changes take place in the shape of eye-lens: 

 when the eye is focused on a near object?


How is the amount of light entering the eye controlled?


There are two types of light-sensitive cells in the human eye:  

 What is each type called? 


 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?


Having two eyes gives a person:
(a) deeper field of view
(b) coloured field of view
(c) rear field of view
(d) wider field of view


Differentiate between members of the following pair with reference to what is asked in bracket.

Rod and cone cells (pigment contained)


What is a lacrimal gland?


Sketch and label V.S. of a human eye.


Answer the following question.
Write the structure of eye lens and state the role of ciliary muscles in the human eye.


Give Technical Term:
The cells of the retina that are sensitive to colour.


Write an Explanation.

Minimum distance of distinct vision


Which of the following is responsible for the adjustment of the size of pupil?


With reference to human eye answer the question that follow:

Name the part of the eye associated with keeping the lens moist and protecting it from physical shock.


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