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The diameter of the pupil is regulated b...

The diameter of the pupil is regulated by the

A

Muscle fibres of ciliary body

B

Muscle fibres of iris

C

Muscle fibres of lens

D

Ligaments of ciliary body

Text Solution

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The correct Answer is:
B
The diameter of the pupil is regulated by the muscle fibres of iris.
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A2Z-NEURAL CONTROL AND COORDINATION-Section A : Topicwise Questions Topic 5 : Sensory Reception And Processing (eye , Parts Of An Eye An
  1. The eye ball has a transparent crystalline lens which is held in plac...

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  2. In front of the lens, the aperture surrounded by the iris is called th...

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  3. The diameter of the pupil is regulated by the

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  4. Recognise the figure and find out the correct matching.

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  5. Match the column I and II, and choose the correct combination from the...

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  6. When the blue, red and green cones are stimulated equally, it produced...

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  7. The point of eye where the visual activity (resolution) is greatest

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  8. The space between cornea and the lens is called

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  9. The space between the lens and retina is called

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  10. Which is the incorrect about the mechanism of vision ?

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  11. Suppose a person wears convex galsses for proper vision. Where you thi...

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  12. Cornea and lens of eye are

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  13. Pigments present in cones of retina are connected with

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  14. In hypermetropia, the image is formed

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  15. Function of iris is to

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  16. Reduction in elastricity of eye lens with age causes

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  17. Light rays entering the eye is controlled by

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  18. The defective condition of accomodation of the eye in which distant ob...

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  19. Eye lens is

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  20. Concave lens is employed to correct

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