Human Eye and Control_1

Human eye resembles a camera. It has a lens screen, ciliary muscles, cornea etc

• Agree

• Disagree

Thin membrane of eye through which light enters the eye first and gets refracted

• Cornea

• Iris

• Pupil

• Eye lens

• Ciliary muscles

It is a dark muscular diaphragm that controls the size of the pupil.

• Cornea

• Iris

• Pupil

• Eye lens

• Ciliary muscles

Small hole in the iris, appears black because no light is reflected from it.

• Cornea

• Iris

• Pupil

• Eye lens

• Ciliary muscles

The pupil regulates and controls the amount of light entering the eye.

• True

• False

Transparent crystalline lens, made up of fibres, jelly like material, convex in nature.

• Cornea

• Iris

• Pupil

• Eye lens

• Ciliary muscles

It holds the lens and can modify the lens curvature.

• Cornea

• Iris

• Pupil

• Eye lens

• Ciliary muscles

It is a screen in the eye, a delicate membrane with a lot of light-sensitive cells called rods and cones

• Retina

• Iris

• Pupil

• Eye lens

• Ciliary muscles

Rods and cones are cells that get activated on illumination and produce electrical signals.

• True

• False

It is a nerve connecting eye and brain.

• Retina

• Optic Nerve

• Pupil

• Eye lens

• Ciliary muscles