Parts of the eye and how it focuses

1. A.
   Retina
2. B.
   Pupil
3. C.
   Eye lens
4. D.
   Cornea

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1. A.
   optic nerves
2. B.
   ciliary muscles
3. C.
   retina
4. D.
   cornea

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1. A.
   Cornea
2. B.
   Ciliary muscles
3. C.
   Optic nerves
4. D.
   Retina

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1. A.
   is fixed.
2. B.
   can be increased.
3. C.
   can be decreased.
4. D.
   increases or decreases as the case may be.

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1. A.
   Pupil
2. B.
   Cornea
3. C.
   Ciliary muscles
4. D.
   Aqueous humour

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1. A.
   Both, Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
2. B.
   Both, Assertion (A) and Reason (R) are true, and Reason (R) is not the correct explanation of Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Iris
2. B.
   Cornea
3. C.
   Ciliary muscles
4. D.
   Pupil

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1. A.
   Iris and pupil
2. B.
   Ciliary muscles and pupil
3. C.
   Retina and Iris
4. D.
   Ciliary muscles and cornea

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1. A.
   Ciliary muscles of your eye contract and the eye lens becomes thick.
2. B.
   Ciliary muscles of your eye get relaxed and the eye lens becomes thick.
3. C.
   Ciliary muscles of your eye contract and the eye lens becomes thin.
4. D.
   Ciliary muscles of your eye get relaxed and the eye lens becomes thin.

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