State the functions of a human eye.

Choose between the two options to answer the question specified in the brackets for the following.

An example is illustrated below.

Example: Corolla or Calyx (Which is the miter whorl?) Answer: Calyx

Sclerotic layer or choroid layer (Which one forms the iris?) 

Draw a neat diagram of the vertical section of the eyeball of human eye and label the following parts:

(a) Choroid (b) Optic nerve (c) Iris (d) Yellow spot

Match the following:

$\left(1\right)$ Between the aqueous humour                                                                                   (X) Retina

and the lens, there is a muscular diaphragm.

$\left(2\right)$ Small hole in a muscular diagram,                                                                              (Y) Pupil

whereas diaphragm lies between the

aqueous humour and the eye lens.

$\left(3\right)$ The place where the image forms                                                                               (Z) Iris

at black side of eye ball.

Select the correct alternative from those given below each statement and write the completed statement :
The part of eye that regulates and controls the amount of light entering the eye is ________

Draw a neat diagram of the vertical section of the eyeball of human eye and label the following parts:

(a) Choroid

(b) Optic nerve

(c) Iris

(d) Yellow spot

Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:

Conjunctiva, Yellow spot, Pupil, Vitreous Humour, Aqueous Humour.