Understanding Human Sensory Organs

Which of the following is NOT a human sensory organ?

• Ear

• Nose

• Heart

• Eye

What is the primary function of the retina in the eye?

• To protect the eye

• To change the shape of the lens

• To focus light

• To detect light and convert it into neural signals

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

• Optic nerve

• Iris

• Retina

• Cornea

How does the brain interpret the images formed on the retina?

• As blurred images

• As upright images

• As inverted images

• As black and white images

What is the function of the pinna in the ear?

• To transmit sound to the brain

• To balance pressure

• To collect sound waves

• To amplify sound

Which part of the ear contains the ossicles?

• Inner ear

• Outer ear

• Cochlea

• Middle ear

What role does the cochlea play in hearing?

• It collects sound waves

• It balances air pressure

• It amplifies sound

• It converts sound waves into neural signals

How are sound waves transmitted to the brain?

• Through the optic nerve

• Through the auditory nerve

• Through the olfactory nerve

• Through the spinal cord

Which part of the ear helps in maintaining balance?

• Semicircular canals

• Eardrum

• Auditory canal

• Cochlea

What is the function of the eustachian tube in the ear?

• To collect sound waves

• To balance air pressure

• To amplify sound

• To transmit sound to the brain