MCQ
The part of internal ear responsible for hearing is:
- ACochlea.
- BSemicircular canal.
- CUtriculus.
- ✓Sacculus.
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| Column $I$ | Column $II$ |
| ($a$) Pneumotaxic Centre | ($i$) Alveoli |
| ($b$) $O _{2}$ Dissociation curve | ($ii$) Pons region of brain |
| ($c$) Carbonic Anhydrase | ($iii$ Haemoglobin |
| ($d$) Primary site of exchange of gases | ($iv$) $R.B.C.$ |
| Column $I$ | Column $II$ |
| $A .$ Hinge | $1.$ Atlas and axis |
| $B.$ Saddle | $2 .$ Frontal and parietal |
| $C .$ Pivot | $3 .$ Carpal and metacarpal of humans |
| $D .$ Ball and socket | $4 .$ Knee |
| $5 .$ Humerus and pectoral girdle |
Codes
$A \quad B \quad C \quad D$