Biology of the Senses

What is the function of the cornea in vision?

• To produce tears

• To focus light and protect the eye

• To regulate body temperature

• To detect colors

Which part of the eye is responsible for controlling the amount of light that enters?

• pupil

• iris

• retina

• cornea

What are the five basic tastes detected by taste buds?

• sweet, sour, salty, bitter, umami

• spicy

• sour

• tangy

• savory

Which taste sensation is associated with the detection of amino acids?

• Sour

• Bitter

• Sweet

• Umami

What is the role of the taste buds in taste perception?

• Taste buds transmit signals to the nose for taste perception

• Taste buds detect different flavors and transmit signals to the brain for taste perception.

• Taste buds only detect sweet flavors

• Taste buds have no role in taste perception

How does the brain interpret signals from taste receptors?

• Taste receptors communicate with the heart to interpret taste signals.

• The brain interprets taste signals through visual cues.

• Nerve impulses travel from taste receptors on the tongue to the brainstem and gustatory cortex for processing and interpretation.

• Taste receptors directly send signals to the spinal cord for interpretation.

What is the primary organ responsible for taste perception?

• Tongue

• Kidney

• Pancreas

• Liver

What is the purpose of tears in vision?

• The purpose of tears in vision is to lubricate and protect the eyes.

• Tears are used to clean the ears

• Tears help in magnifying the objects seen

• Tears are responsible for hearing sounds clearly

Which part of the tongue is most sensitive to sweet tastes?

• back of the tongue

• middle of the tongue

• tip of the tongue

• sides of the tongue

How do taste and smell work together to create flavor perception?

• Taste buds on the tongue detect basic tastes, while visual receptors in the eyes identify specific colors, which the brain combines to create flavor perception.

• Taste buds on the tongue detect basic tastes, while tactile receptors in the skin identify specific textures, which the brain combines to create flavor perception.

• Taste buds on the tongue detect basic tastes, while olfactory receptors in the nose identify specific aromas, which the brain combines to create flavor perception.

• Taste buds on the tongue detect sounds, while olfactory receptors in the nose identify specific aromas, which the brain combines to create flavor perception.