Match List - I with List - II.
| List - I | List - II |
| (A) Contracting of Eye ball | (I) Myopia |
| (B) Controls the shape of eye lens | (II) Cornea |
| (C) Elongation of eye ball | (III) Ciliary Muscle |
| (D) Control the light entering in eyes | (IV) Hypermetropia |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (A)-(IV), (B)-(III), (C)-(I), (D)-(II)
A normal eye forms the image on the retina. The length of the eyeball decides where a relaxed eye focuses, and the ciliary muscles change the focal length of the eye lens for near and far objects.
(A) Contracting of Eye ball — this matches (IV) Hypermetropia. In a shortened eyeball the image of a near object falls behind the retina, so near objects look blurred; this is long-sightedness.
(B) Controls the shape of eye lens — this matches (III) Ciliary Muscle. The ciliary muscles make the lens thicker or thinner, which changes its focal length; this is accommodation.
(C) Elongation of eye ball — this matches (I) Myopia. In an elongated eyeball the image of a distant object forms in front of the retina, so far objects look blurred; this is short-sightedness.
(D) Control the light entering in eyes — this matches (II) Cornea, the remaining entry. Light enters the eye through the cornea, which does most of the bending of the light; the iris and pupil behind it set how much light gets in.