English
Karnataka Board PUCPUC Science Class 11

Draw Labelled Diagrams of the Following: Ear - Biology

Advertisements
Advertisements

Question

 Draw labelled diagrams of the following: Ear

Advertisements

Solution

shaalaa.com
  Is there an error in this question or solution?
Chapter 21: Neural Control and Coordination - Exercises [Page 328]

APPEARS IN

NCERT Biology [English] Class 11
Chapter 21 Neural Control and Coordination
Exercises | Q 4.4 | Page 328

RELATED QUESTIONS

Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later. Can you explain?


Mention the exact location of the Semi-circular canals


The ear ossicle which is attached to the tympanum.


State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.

Deafness is caused due to rupturing of the pinna.


Given below is certain structure. Write against them its functional acivity.

organ of corti and ……………….


Name the part of the ear associated with hearing.


With reference to the human ear, answer the question that follow:

Name the nerve, which transmits messages from the ear to the brain.


The figure below is the sectional view of a part of the skull showing s sense organ:

Name the sense organ.


Draw a labelled diagram of the inner ear.


How could you convince a small child that when you speak, it is not necessary for air to travel from you mouth to the ear of listener?


Give the main function of the following:
Cochlea


Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:

Name the audio receptor region present in the part labeled 'A'.


The following diagram refers to the ear of a mammal.

(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.


State the Function:
Endolymph


The range of audible frequency for the human ear is


Describe the structure and function of the human ear?


Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.


Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.

Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.


Note the relationship between the first two words and suggest the suitable word/words for the fourth place.

Semi-circular canal : Ampulla :: Cochlea : ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×