Advertisements
Advertisements
प्रश्न
The below diagram is the surface of the tongue showing the taste zone.
(i) Label the parts 1-4.
(ii) Where are the receptors for sensations of taste are located?
(iii) Why do people suffering from cold often complain that they cannot taste their food?
Advertisements
उत्तर
(i)
1—Bitter Taste,
2—Sour Taste,
3—Salt Taste,
4—Sweet Taste.
(ii) The receptors for sensations are located in the taste bud covering the tongue surface.
(iii) People suffering from cold often complain that they cannot taste their food because their gustatory sensations are not operating well.
APPEARS IN
संबंधित प्रश्न
How are the messages carried across a synapse? Explain with the help of a labelled diagram.
State whether the following statement is true (T) or false (F):
Each neuron consists of three parts called cell body, cyton, and axon.
Define the term:
Sensory neuron
Explain the Term:
Synapse
Explain the Term: Natural reflex
Give Technical Term:
The structure which joins the two cerebral hemispheres in man.
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. |
Which cells of PNS secrete myelin sheath around the nerves?
Which acts as a link between the nervous system and endocrine system?
The outermost layer of meninges:
