The change in converging power of an eye-lens is caused by the action of:

(a) iris

(b) ciliary muscles

(c) optic nerve

(d) retina

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Solution

(b) ciliary muscles

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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.

(b) What are the functions of the following parts of the eye?

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

What is the function of the following -

a - pupil

b- cornea

c- retina

d- iris

e - eye lids

d- optic nerve

d- siliary muscles

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The change in converging power of an eye-lens is caused by the action of: (a) iris (b) ciliary muscles (c) optic nerve (d) retina

(b) ciliary muscles

The change in converging power of an eye-lens is caused by the action of:

(a) iris

(b) ciliary muscles

(c) optic nerve

(d) retina