Q. The extra-embryonic membranes of mammalian embryo are derived from
A) Trophoblast
B) Follicle cells
C) Formative cells
D) Inner cell mass
Explanation
Trophoblast ia an epithelium surrounding the mammalian blastocyst forming outer layer of chorion and becoming part of the embryonic component of extra-embryonic membranes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.