Human Eye and Colourful World Quiz

What is the outermost layer of the human eye?

• Sclera

• Choroid layer

• Retina

• Iris

Which part of the eye contains a lot of blood vessels and is black in color?

• Sclera

• Choroid layer

• Iris

• Retina

Which part of the eye is formed by the choroid layer around the pupil?

• Retina

• Iris

• Choroid layer

• Sclera

What is the area of no vision in the eye called?

• Blind spot

• Yellow spot

• Macula

• Retina

Which part of the eye is the area of best vision?

• Blind spot

• Retina

• Macula

• Yellow spot

What is the important duty of rods and cones in the eye?

• Distinguish color differences

• Create nerve impulses

• Absorb light energy

• Improve image quality

Which cells in the eye are responsible for seeing objects in low light?

• Rods

• Cones

• Sclera

• Iris

What is the pigment present in rods that allows us to see objects in low light?

• Chlorophyll

• Melanin

• Rhodopsin

• Hemoglobin

Why are iris photos collected for recognizing a person?

• To recognize a person like ADHAAR

• To donate eyes after death

• To change eye color

• To improve vision

What is the reason for the iris looking black?

• It absorbs all colors

• It reflects all colors

• It reflects only black color

• It doesn't reflect any color