Grade 6 Biology Senses

What is the function of the cornea in the human eye?

• The function of the cornea is to focus light and protect the inner structures of the eye.

• The cornea produces tears to keep the eye moist.

• The cornea is responsible for color vision in the eye.

• The cornea helps regulate the amount of light entering the eye.

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

• cornea

• retina

• iris

• lens

What is the name of the structure that changes the shape of the lens in the eye?

• retina

• cornea

• ciliary muscles

• iris

How many taste buds does an average human tongue have?

• 500

• 10000

• 20000

• 5000

Which taste sensation is associated with the taste of sweet?

• olfaction

• tactition

• gustation

• audition

What is the scientific term for the sense of hearing?

• taste

• smell

• audition

• sight

What is the unit used to measure the loudness of sound?

• decibel (dB)

• volt (V)

• watt (W)

• hertz (Hz)

What is the name of the structure in the ear that converts sound waves into electrical signals?

• pinna

• cochlea

• auditory nerve

• eardrum

What is the range of human hearing in hertz?

• 10 Hz - 10,000 Hz

• 20 Hz - 20,000 Hz

• 30 Hz - 30,000 Hz

• 40 Hz - 40,000 Hz

What is the name of the membrane that separates the outer ear from the middle ear?

• earlobe membrane

• eardrum membrane

• auditory membrane

• tympanic membrane