When the eye looks at near objects, the lens becomes more convex due to the_________________.

Contraction of ciliary muscles

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Relaxation of ciliary muscles

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Contraction of iris muscles

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Relaxation of iris muscles

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Solution

The correct option is A Contraction of ciliary muscles
A- Contraction of ciliary muscle results in increased equatorial zonal tension and makes central lens surface rounded.

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Similar questions

(a) Draw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve and Blind spot.

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(i) Iris (ii) Eye-lens (iii) Ciliary muscles (iv) Retina (v) Optic nerve

Q. Which of the following controls the amount of light entering the eye ?
(a) ciliary muscles (b) lens (c) iris (d) cornea

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When the eye looks at near objects, the lens becomes more convex due to the_________________.

The correct option is A Contraction of ciliary musclesA- Contraction of ciliary muscle results in increased equatorial zonal tension and makes central lens surface rounded.

The correct option is A Contraction of ciliary muscles
A- Contraction of ciliary muscle results in increased equatorial zonal tension and makes central lens surface rounded.