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Pentathlon 2024: Visual Systems

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What part of the eye is responsible for interpreting light?

a)

Retina

b)

Lens

c)

Iris

d)

Pupil

2.

Which cells in the retina are responsible for color vision?

a)

Rods

b)

Cones

c)

Photoreceptors

d)

Opsins

3.

In which part of the eye does light pass through after entering through the cornea?

a)

Iris

b)

Pupil

c)

Retina

d)

Lens

4.

The bundle of nerve fibers that carries visual information from the eye to the brain is known as:

a)

Retina

b)

Iris

c)

Optic nerve

d)

Rhodopsin

5.

Which pigment in the photoreceptor cells helps in dim light vision?

a)

Opsins

b)

Lens

c)

Rhodopsin

d)

Trichromatic

6.

What do we call the process of converting light into electrical signals in the retina?

a)

Light transduction

b)

Infrared

c)

Ultra violet

d)

Light spectrum

7.

The colored part of the eye that controls the size of the pupil is called:

a)

Retina

b)

Iris

c)

Opsins

d)

Cones

8.

Which part of the eye controls how much light enters?

a)

Rods

b)

Pupil

c)

Optic nerve

9.

What is the main function of the lens in the eye?

a)

Producing opsins

b)

Light transduction

c)

Focusing light onto the retina

d)

Enhancing rhodopsin sensitivity

10.

Which type of vision involves the perception of three different colors?

a)

Rhodopsin

b)

Ultra violet

c)

Trichromatic

d)

Infrared

11.

Which pigment allows us to see black, white, and shades of gray?

a)

Opsins

b)

Rhodopsin

c)

Cones

d)

Pupil

12.

What term describes light that is not visible to the human eye?

a)

Rhodopsin

b)

Infrared

c)

Opsins

d)

Trichromatic

13.

Which type of radiation has a wavelength longer than visible light?

a)

Infrared

b)

Ultra violet

c)

Light transduction

d)

Lens

14.

What is the range of all possible colors visible to the human eye known as?

a)

Visible Light spectrum

b)

Cones

c)

Optic nerve

d)

Pupil

15.

Which part of the eye allows us to perceive different colors based on the wavelengths of light?

a)

Opsins

b)

Rhodopsin

c)

Retina

d)

Cones