Sense of Sight Quiz

What is the first attribute humans tend to perceive about a food item?

• Taste

• Smell

• Appearance

• Texture

Answer explanation

The first attribute humans tend to perceive about a food item is its appearance, making it the correct choice.

Which layer of the eye contains the choroid, ciliary body, and iris?

• Outer layer

• Middle layer

• None of the above

• Inner layer

Answer explanation

The middle layer of the eye contains the choroid, ciliary body, and iris, making it the correct choice.

What is the function of rods in the eye?

• Sense and encode color vision

• Responsible for dim-light and peripheral vision

• Operate in bright light

• Provide sharp images

Answer explanation

Rods in the eye are responsible for dim-light and peripheral vision, not for sensing and encoding color vision. Therefore, the correct function of rods in the eye is to be responsible for dim-light and peripheral vision.

Where are the electrical signals sent after light excites the photoreceptor cells?

• Brain

• Optic nerve

• Sensory neurons

• Retina

Answer explanation

After light excites the photoreceptor cells, the electrical signals are sent to the brain through the optic nerve.

What is the part of the brain responsible for interpreting visual images?

• Cerebellum

• Temporal lobe

• Optic lobe

• Frontal lobe

Answer explanation

The frontal lobe is responsible for interpreting visual images, making it the correct choice.

What is the visible light spectrum progression from?

• Violet to red

• Blue to green

• Yellow to orange

• Red to violet

Answer explanation

The visible light spectrum progresses from yellow to orange, with red following orange and violet preceding yellow.

What do white objects do to all wavelengths of light?

• Transmit

• Absorb

• Reflect

• Scatter

Answer explanation

White objects reflect all wavelengths of light, which is why they appear white to the human eye.

What is the actual color name referred to as?

• Intensity

• Hue

• Saturation

• Chroma

Answer explanation

The actual color name referred to as is 'Hue', which represents the pure spectrum of color without any white or black added.