Home
Class 11
BIOLOGY
The opening in the nasopharynax tht perm...

The opening in the nasopharynax tht permits air pressure on both sides of tympanic membrane of the ear to be kept equal is

A

Oval window

B

Tube of cochlea

C

Auditory nerve

D

Eustachian tube

Text Solution

Verified by Experts

The correct Answer is:
D

The function of eustachian tube is to equalize air pressure of both side (external and middle ear) of typpanic memrbanbe.
Promotional Banner

Topper's Solved these Questions

  • NEURAL CONTROL AND COORDINATION

    ERRORLESS |Exercise Assertion and Reason|17 Videos
  • MORPHOLOGY OF FLOWERING PLANTS

    ERRORLESS |Exercise Morphology Of Flowering Plants|613 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    ERRORLESS |Exercise Photosynthesis In Higher Plants|339 Videos

Similar Questions

Explore conceptually related problems

Structure that helps to maintain equal pressure on both sides of ear drum is

Proper air pressure in the middle and internal ear is maintained by

Assertion:The inner ear contains three ossicles (malleus, incus and stapes) which are attached to one another in a chain-like fashion. Reason:The stapes is attached to the tympanic membrane and the malleus is attached to the oval window of the cochlea.

Assertion:The Eustachian tube helps in equalising the pressures on either sides of the ear drum. Reason:The Eustachian tube connects the middle ear cavity with the pharynx.

Assertion. Tympanic membrane separates the external ear from the middle ear. Reason. Tympanic membrane transmits vibrations (pressures waves in air) to the internal ear via ear ossicles of middle ear.

Read the following statements and find out the incorrect statements. a. Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. b. The outer ear consists of the pinna and external auditory meatus (canal). c. The tympanic membrane (ear drum ) is composed of connective tissue covered with mucus membrane outside and with skin inside. d. The ear ossicles reduces the efficiency of transmission of sound waves to the inner ear. e. The pinna collects the vibrations in the air which produce sound.

ERRORLESS -NEURAL CONTROL AND COORDINATION-Neural Control And Coordination
  1. Which of the following nerve supplies organ of corti

    Text Solution

    |

  2. The vibrations of the tympanic membrane are amplified approximately......

    Text Solution

    |

  3. The opening in the nasopharynax tht permits air pressure on both sides...

    Text Solution

    |

  4. In mammalian ear, a membranous structure which separate the schala ves...

    Text Solution

    |

  5. The organ of Corti in rabbit is concerned with the sense of or Coc...

    Text Solution

    |

  6. Otoconium is found in

    Text Solution

    |

  7. Ear drum is known as

    Text Solution

    |

  8. In the ear of man, the perilymph passes from middle ot inner ear throu...

    Text Solution

    |

  9. Organ of corti is found in

    Text Solution

    |

  10. See the following diagram. Identify 1 to 8

    Text Solution

    |

  11. Chemicals which are released at the synaptic junction are called

    Text Solution

    |

  12. Potential difference across resting membrane is negatively charged. Th...

    Text Solution

    |

  13. Resting membrane potential is maintained by

    Text Solution

    |

  14. The function of our visceral organs is controlled by

    Text Solution

    |

  15. Which of the following is not involved in knee-jerk reflex ?

    Text Solution

    |

  16. An area in the brain which is associated with strong emotion is

    Text Solution

    |

  17. Human eye ball consists of three layers and it encloses

    Text Solution

    |

  18. Wax gland present in the ear canal is called

    Text Solution

    |

  19. The part of internal ear responsible for hearing is

    Text Solution

    |

  20. The organ of Corti is a structure present in

    Text Solution

    |