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Which part is called as "variable apertu...

Which part is called as "variable aperture" in our eye ?

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Pupil
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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-I) (1/2 MARKS QUESTIONS)
  1. A: Pupil appears black in colour. R: Any light falling on it goes in...

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  2. When does pupil expand ?

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  3. Which part is called as "variable aperture" in our eye ?

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  4. What is the distance between the lens and retina of eye ?

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  5. For a eye lens, which quantity is fixed ?

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  6. Which one helps to change the radii of curvature of the eye lens ?

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  7. To which part of the eye, ciliary muscles are attached ?

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  8. The eye lens is

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  9. Arrange the parts in one order from the front of the eye. Lens, aqu...

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  10. How do ciliary muscles respond, when the eye is focussed on a distant ...

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  11. If the ciliary muscles are strained, what would be the position of the...

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  12. What is the name of the process of adjusting focal length of eye lens ...

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  13. What type of image is formed by eye lens ?

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  14. Where is rods cones are located in our eye ?

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  15. Which receptors identify the colour ?

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  16. Which receptors identify the intensity of light?

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  17. Which part carries the light signals from retina to brain ?

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  18. How many number of receptors are there in retina ?

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  19. What are the maximum and munimum focal lengths of the eye lens ?

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  20. Match it {:("a)" f("max") "of eye lens","i) object is at 25 cm"),("b...

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