Class 10 Science - Human Eye Quiz

What part of the eye controls the amount of light entering the eye?

• Retina

• Iris

• Lens

• Cornea

The image formed on the retina of the human eye is:

• Virtual and erect

• Real and inverted

• Virtual and inverted

• Real and erect

Which part of the eye changes focal length to focus near or distant objects?

• Iris

• Retina

• Ciliary muscles

• Optic nerve

Rods in the retina are responsible for:

• Color vision

• Sharp central vision

• Detecting dim light

• Controlling pupil size

Which transparent part helps in focusing light?

• Cornea

• Sclera

• Iris

• Retina

What is the primary role of the lens?

• Protection

• Color vision

• Focusing light on retina

• Pupil control

The retina contains which cell types?

• Only rods

• Only cones

• Both rods and cones

• Neither

'Accommodation' refers to:

• Adjusting eye size

• Changing lens shape to focus

• Pupil dilation/constriction

• Eye movement

In myopia, the image forms:

• On retina

• Behind retina

• In front of retina

• On optic nerve

Which lens corrects myopia?

• Convex

• Concave

• Cylindrical

• Plano-convex