Q. Through invagination of which of the following, mesoderm is formed?
A) Primitive streak
B) Inner mass of cell
C) Endoderm
D) Ectoderm
Explanation
Inner cell mass forms embryonic disc, which is composed of two layers, ectoderm above and endoderm below. Once the embryonic disc elongates, to form primitive streak which forms mesoderm.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.