| I. Ectoderm - Epidermis |
| II. Endoderm - Dermis |
| III. Mesoderm - Muscles |
| IV. Mesoderm - Notochord |
| V. Endoderm - Enamel of teeth |
A) I and IV
B) I and II
C) I, III and IV
D) I, II, III, and IV
Correct Answer: C
Solution :
The three primary germ layers (i.e., ectoderm, mesoderm with endoderm) develops from 2nd week in human embryo. The ectoderm form epidermis, and mesoderm develops into both notochord and muscles.
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