Ear and Body Balancing

Q.

What are the 2 structures of the otolith organ?

Q.

What is the function of utricle?

Q.

What is the role of the crista and macula of the vestibular apparatus?

Q.

Match the following parts of the ear with their functions.

$\begin{array}{cc}Partsoftheear& Functions\\ 1.Pinna& A.Vibratesandtransmitssoundwavestotheossicles\\ 2.Tympanum& B.Sendstheaudioimpulsestothecerebrum\\ 3.Earossicles& C.Collectssoundanddirectsitintotheear\\ 4.Auditorynerve& D.Amplifiesandtransmitsthesoundtocochlea\end{array}$

1. 1 - C, 2 - A, 3 - D, 4 - B

2. 1 - D, 2 - A, 3 - C, 4 - B

3. 1 - C, 2 - B, 3 - D, 4 - A

4. 1 - C, 2 - D, 3 - B, 4 - A

Q.

In the ear, cochlea help in balancing the body whereas semicircular canals help in hearing.

1. True

2. False

Q. The middle ear is connected with the throat region through a tubular passage called___.

1. Auditory canal
2. Alimentary canal
3. Eustachian canal
4. Olfactory canal

Q.

Which of the following ear structures is not matched correctly with their functions?

1. Auditory canal – directs sound wave to eardrum

2. Eardrum – vibrates and transmits sound waves

3. Ear ossicles – amplify sound waves

4. Cochlea – helps in body balance

Q. The complex system of the inner ear associated with maintenance of body balance is

1. Oval window
2. Cochlea
3. Reissner's membrane
4. Vestibular apparatus
5. Basilar membrane

Q.

What is the function of the eustachian tube?

1. Carries the sound waves from the pinna to the tympanum

2. Helps in maintaining the balance of pressure on either side of the tympanum

3. Amplifies and transmits the vibrations of tympanum to the internal ear

4. Helps in maintaining the body balance

Q.

Which structure connects the middle ear cavity with the pharynx?

Q.

What are the 2 structures of the otolith organ?

Q.

___ helps in equalizing the pressures on either sides of the ear drum.

1. Oval window

2. Tympanic membrane

3. Eustachian tube

4. Pinna

Q.

The vestibular apparatus consists of

1. utricle

2. saccule

3. pinna

4. semicircular canals

Q.

Match the following parts of the ear with their functions.

$\begin{array}{cc}Partsoftheear& Functions\\ 1.Pinna& A.Vibratesandtransmitssoundwavestotheossicles\\ 2.Tympanum& B.Sendstheaudioimpulsestothecerebrum\\ 3.Earossicles& C.Collectssoundanddirectsitintotheear\\ 4.Auditorynerve& D.Amplifiesandtransmitsthesoundtocochlea\end{array}$

1. 1 - C, 2 - A, 3 - D, 4 - B

2. 1 - D, 2 - A, 3 - C, 4 - B

3. 1 - C, 2 - D, 3 - B, 4 - A

4. 1 - C, 2 - B, 3 - D, 4 - A

Q. Find the synonym of the underlined word.
Bones of the skull are capable of conducting sounds of the human voice to the inner ear.

1. Transmitting
2. Creating
3. Adjusting
4. Receiving
5. Convenes

Q. Assertion :Oesophagus pierces the diaphragm and enters the abdominal cavity. Reason: Peristaltic movement starts from oesophagus.

1. both assertion and reason are true and reason is the correct explanation of assertion.
2. both assertion and reason are true but reason is not the correct explanation of assertion
3. assertion is true but reason is false.
4. both assertion and reason are false.

Q. Assertion (A): People feel dizzy for a while after getting down from the roller coaster ride.

Reason (R): Damage to the vestibular system affects the sense of balance and spatial orientation.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true but R is false
4. A is false but R is true

Q. The vestibular apparatus consists of

1. Utricle
2. Saccule
3. Pinna
4. Semicircular canals

Q.

Given below is an example of a certain structure and its special functional activity. On a similar pattern fill in the blanks with suitable functions.

Examples: Chloroplast and Photosynthesis

Eustachian tube and _______________.