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Malleus, iris, Stapes, Incus. - Biology

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प्रश्न

find odd one from following: Malleus, iris, Stapes, Incus.

उत्तर

Odd term: Iris
Category: Parts of human ear (middle ear)

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2015-2016 (March)

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संबंधित प्रश्‍न

Explain how the human ear works.


 Draw labelled diagrams of the following: Ear


Eye : Optic nerve : : Ear : ___________


Mention the exact location of the Eustachian tube


Given below is a diagram depicting a defect of the human eye, study the same and then answer the questions that follow:

(i) Name the defect shown in the diagram.
(ii) What are the two possible that cause this defect?
(iii) Name the type of lens used to correct this defect.
(iv) With the help of a diagram show how the defect shown above is rectified using a suitable lens.


Differentiate between the Rods and Cones of Retina (Type of pigment) 


Give technical terms for The nerve which transmits impulses from the ear to the brain


Name the following:

The part which equalises the air pressure in the middle and external ear.


Name the following:

The tube which connects the cavity of the middle ear with the throat.


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

Name the part of the ear associated with

(1) static balance

(2) hearing

(3) dynamic balance.


Why should we not put a pin or pencil in our ears ?


Write whether the following is true or false:
The part of the ear associated with balance is the cochlea.


Choose the correct answer : 
Organ of corti is found in ___________


Draw a labeled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.


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.


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

(i) Give the biological term for the part labeled ‘A’ and state its function.
(ii) Name the part labeled ‘B’ and state its function.
(iii) Name the part labeled ‘C’ and state its function.
(iv) Give the function of ear wax.


Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :


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.


Define the following term:

Ear ossicles


With reference to human ear answer the question that follow:

Name the part of the ear associated with Static balance.


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