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प्रश्न
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Auditory canal | (a) | Channels pressure waves of air into the middle ear. |
| (ii) | Auditory (Eustachian tube) | (b) | Collects pressure waves of air. |
| (iii) | Auditory nerve | (c) | Converts pressure waves of air into vibrations of bone. |
| (iv) | Incus | (d) | Dissipates sound waves. |
| (v) | Malleus | (e) | Equalizes pressure between the middle ear and the atmosphere. |
| (vi) | Oval window | (f) | Provide information about the spatial orientation of the head. |
| (vii) | Pinna | (g) | Transfers vibrations from a bone to a fluid. |
| (viii) | Round window | (h) | Transfers vibrations from a bone to a membrane. |
| (ix) | Semi-circular canal | (i) | Transfers vibrations from a bone to a bone. |
| (x) | Stapes | (j) | Transfers vibrations from a membrane to a bone. |
| (xi) | Tympanic membrane | (k) | Transmits action potential to the auditory cortex. |
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उत्तर
| Column I | Column II | ||
| (i) | Auditory canal | (a) | Channels pressure waves of air into the middle ear. |
| (ii) | Auditory (Eustachian tube) | (e) | Equalizes pressure between the middle ear and the atmosphere. |
| (iii) | Auditory nerve | (k) | Transmits action potential to the auditory cortex. |
| (iv) | Incus | (i) | Transfers vibrations from a bone to a bone. |
| (v) | Malleus | (j) | Transfers vibrations from a membrane to a bone |
| (vi) | Oval window | (g) | Transfers vibrations from a bone to a fluid. |
| (vii) | Pinna | (b) | Collects pressure waves of air. |
| (viii) | Round window | (d) | Dissipates sound waves. |
| (ix) | Semi-circular canal | (f) | Provide information about the spatial orientation of the head. |
| (x) | Stapes | (h) | Transfers vibrations from a bone to a membrane. |
| (xi) | Tympanic membrane | (c) | Converts pressure waves of air into vibrations of bone. |
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संबंधित प्रश्न
Name the structural and functional unit of the nervous system.
The life processes in humans are controlled and regulated by :
(a) reproductive and endocrine systems
(b) respiratory and nervous systems
(c) endocrine and digestive systems
(d) nervous and endocrine systems
Compare the nervous system and the endocrine system.
State whether the following statement is true (T) or false (F):
The largest part of the brain is the cerebrum.
Find the odd-one-out, giving reasons:
Axon, cell body, dendrite, cerebellum
Answer the following question:
What is a reflex action? Explain it with two examples.
Complete the following sentence with appropriate word :
There are _______ neurons in our body.
Which acts as a link between the nervous system and endocrine system?
What constitutes the central and peripheral nervous systems? How are the components of central nervous system protected?
Destruction of the anterior horn cells of the spinal cord would result in loss of ______.
