Q.
Observe the given figures and select the option that correctly identifies the labels $A$, $B$, $C$ and $D$.
$A$
$B$
$C$
$D$
(a)$\,\,$
Parathyroid gland$\,\,$
Isthmus$\,\,$
Trachea$\,\,$
Thyroid gland
(b)$\,\,$
Thyroid gland$\,\,$
Isthmus$\,\,$
Trachea$\,\,$
Parathyroid gland
(c)$\,\,$
Thyroid gland$\,\,$
Isthmus$\,\,$
Larynx$\,\,$
Parathyroid gland
(d)$\,\,$
Thyroid gland$\,\,$
Corpus luteum$\,\,$
Trachea $\,\,$
Parathyroid gland
| $A$ | $B$ | $C$ | $D$ | |
|---|---|---|---|---|
| (a)$\,\,$ | Parathyroid gland$\,\,$ | Isthmus$\,\,$ | Trachea$\,\,$ | Thyroid gland |
| (b)$\,\,$ | Thyroid gland$\,\,$ | Isthmus$\,\,$ | Trachea$\,\,$ | Parathyroid gland |
| (c)$\,\,$ | Thyroid gland$\,\,$ | Isthmus$\,\,$ | Larynx$\,\,$ | Parathyroid gland |
| (d)$\,\,$ | Thyroid gland$\,\,$ | Corpus luteum$\,\,$ | Trachea $\,\,$ | Parathyroid gland |
Chemical Coordination and Integration
Solution: