How We Maintain Balance

Q.

___ and ___ are the specific receptors of the vestibular apparatus responsible for the maintenance of the balance of the body and posture.

1. Saccule; utricle

2. Saccule; macula

3. Crista; utricle

4. Crista; macula

Q.

Which part of the human ear gives dynamic balance and ‘static balance’ to the body?

Q. write down the equation of motion in case of vertically projected body

Q.

Answer briefly :

(a) How do you perceive the colour of an object?

(b) Which part of our body helps us in maintaining the body balance?

(c) How does the eye regulate the amount of light that falls on the retina?

Q. Mark the incorrect statements -

Q. Assertion (A): The ears are considered as statoacoustic organs of human body.
Reason (R): The ears perform two sensory functions, hearing and maintenance of body balance.

In the light of above statements choose the correct answer from the options given below.

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

Q. Vestibular apparatus of the inner ear is composed of

1. cochlea and organ of corti
2. three semi-circular canals and organ of corti
3. three semi-circular canals and a malleus
4. three semi-circular canals and otolith organ

Q. Macula maintains _______________.

1. Static equilibrium
2. Dynamic equilibrium
3. None of these
4. Both (a) and (b)

Q.

State the main functions of eustachian tube.

Q. Static equilibrium is maintained by

1. Sacculus
2. Utriculus
3. Semicircular canals
4. Both A and B

Q. The part of the inner ear that is responsible for maintaining body equilibrium/balance is

1. Sensory crista of the ampulla.
2. Basilar membrane of cochlea.
3. Sensory cells of the organ of corti.
4. Tectorial membrane of cochlea.

Q. A gymnast is able to balance his body in any position even in total darkness because of

1. tectorial membrane
2. cochlea
3. vestibular apparatus
4. organ of corti

Q. Maculae maintains

1. Static equilibrium
2. Dynamic equilibrium
3. Both A and B
4. None of these

Q. Difference between functions of ampula, utricules, and saccula? Plz explain each

Q. The vestibular apparatus consists of the

1. Vestibule and cochlea
2. Vestibule and Eustachian canal
3. Cochlea and semi-circular canals
4. Vestibule and semi-circular canals

Q. Which structure of the ear completes the mechanism of body balance?

Q. A gymnast is able to balance his body up-side down even in the total darkness

1. vestibular apparatus
2. tectorial membrane
3. organ of corti
4. cochlea

Q. How ear helps in maintaining equilibrium?

Q. Membranous labyrinth is concerned with

1. vagus nerve
2. Hearing with balancing
3. Sensing
4. All of the above

Q. Receptor cells for balancing occur in human ear in

1. Malleus, incus and stapes
2. Utriculus, sacculus and semicircular canals
3. Organ of Corti
4. Eustachian tube

Q.

Given below are four terms among which one is an odd term. Identify that odd term and add the name of the category to which remaining three belong.

Semicircular canals. Cochlea, Tympanum, Utriculus.

1. Semicircular Canals

2. Cochlea

3. Tympanum

4. Utriculus

Q. Which structure helps a person to maintain equilibrium?

1. Cochlea
2. Eustachian tube
3. Semicircular canals
4. Hammer like bone

Q. Specific receptors responsible for the balance of the body and posture are __________.

1. Organ and Corti
2. Basilar membrane
3. Crista and macula
4. Tectorial membrane

Q. The structures in a body that assist in body balance are located in

1. Middle ear
2. Eustchain tubes
3. None of the above
4. Inner ear

Q. How will hearing be affected if the eustachian tubes get blocked?

Q. The chief function of semicircular canals is to

1. Perceive changes in orientation of animal in relation to gravity
2. Transmit sound vibrations
   
3. None of the above
4. Perceive sound vibrations

Q. Cochlea contains

1. Scala media
2. Scala tympani
3. All of the above
4. Scala vestibuli

Q. Which part of our body helps us in maintaining the body balance? Answer briefly.

Q. Which of the following is balancing organ?

1. Cochlea
2. Organ of Corti
3. Vestibular region
4. All of the above

Q. Seismonasty occurs in

1. Mimosa pudica
2. Albizzia lebbek
3. Samanea saman
4. Hibiscus rosa-sinensis