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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. |
संबंधित प्रश्न
The human body contains a large number of cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance.
(a) What are cells A?
(b) What is the name of (i) branch B, and (ii) branches C?
(c) What is the microscopic gap D known as?
(d) What is the function of cells like A in the human body?
(e) The cells A are of three types. name the three types.
Draw a labelled diagram of eye.
With the help of a suitable diagram describe the structure of a neuron.
Given below is a certain structure. Write against them its functional activity.
Olfactory nerve and ______.
Name the following:
The peripheral matter of spinal nerve.
Choose the odd one out from the following terms and name the category to which the others belong.
Parasympathetic, Sympathetic, Cranial nerve
Draw the following diagram:
Draw a neat labeled diagram of a neuron.
______ and ______ increases the surface area of cerebrum.
Think of situations where receptors do not work properly. What problems are likely to arise?
Lateral sulcus separates ______.
