Germ Layers and Stem Cell Differentiation — NEET Biology
🔥 Predicted for NEET 2027📖 NCERT Source
A mesoderm soon appears between the ectoderm and the endoderm. These three layers give rise to all tissues (organs) in adults. It needs to be mentioned here that the inner cell mass contains certain cells called stem cells which have the potency to give rise to all the tissues and organs.
Why This May Be Tested in NEET 2027
Adjacent to a frequently-asked paragraph in the same chapter.
Practice This Concept
QuestionPredicted for NEET 2027
Why is early differentiation of germ layers (ectoderm, mesoderm, endoderm) essential in embryogenesis?
📖 Solution & NCERT Explanation
View solution & NCERT explanation
Correct answer: D — They give rise to all adult organs
All tissues and organs arise from these three layers.
❓ Frequently Asked Questions
What does NCERT say about mesoderm soon appears between?
A mesoderm soon appears between the ectoderm and the endoderm. These three layers give rise to all tissues (organs) in adults.
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Human Reproduction, Class 12 NCERT Biology.
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank
MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.
176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
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