Zoology-Pregnancy
NEET Zoology Pregnancy MCQ Question
Type: MCQ-conceptual-Hard-Class 12
At the end of the first month of pregnancy, what significant developmental milestone occurs in the human embryo?
A
Formation of the heart
B
Differentiation of ectoderm
C
Appearance of mesoderm
D
Formation of trophoblast
Correct Answer
Option A
Detailed Explanation
According to the NCERT context, by the end of the first month of pregnancy, the embryo's heart begins to form, which is a significant milestone.
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