Q.
Identify the correctly matched pair/pairs of the germ layers and their derivatives.
A. Ectoderm - Epidermis
B. Endoderm - Dermis
C. Mesoderm - Muscles
D. Mesoderm - Notochord
E. Endoderm - Enamel of teeth
Human Reproduction
Solution:
$\,\,\,$
Germ layer$\,\,\,$
Derivatives$\,\,\,$
(a)$\,\,\,$
Ectoderm$\,\,\,$-$\,\,\,$
Epidermis, pituitary gland, cornea
enamel of teeth, etc.$\,\,\,$
(b)$\,\,\,$
Mesoderm$\,\,\,$-$\,\,\,$
Dermis, muscles, kidney, notochord,
etc.$\,\,\,$
(c)$\,\,\,$
Endoderm$\,\,\,$-$\,\,\,$
Epithelium of mouth, gall bladder,
liver, etc.$\,\,\,$
| $\,\,\,$ | Germ layer$\,\,\,$ | Derivatives$\,\,\,$ |
|---|---|---|
| (a)$\,\,\,$ | Ectoderm$\,\,\,$-$\,\,\,$ | Epidermis, pituitary gland, cornea enamel of teeth, etc.$\,\,\,$ |
| (b)$\,\,\,$ | Mesoderm$\,\,\,$-$\,\,\,$ | Dermis, muscles, kidney, notochord, etc.$\,\,\,$ |
| (c)$\,\,\,$ | Endoderm$\,\,\,$-$\,\,\,$ | Epithelium of mouth, gall bladder, liver, etc.$\,\,\,$ |