NEET UG 2018 · Zoology · Question 143
NEET 2018 Zoology, question 143
Question 143 of the NEET 2018 paper (code AA) is a Zoology question from Human Reproduction. Its idea, Germ Layers and Extra-embryonic Membranes, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q143 · Zoology
The amnion of mammalian embryo is derived from
- 1mesoderm and trophoblast
- 2endoderm and mesoderm
- 3ectoderm and mesodermOfficial answer
- 4ectoderm and endoderm
Official answer: option 3 · CBSE official answer key
Same idea
The only question on Germ Layers and Extra-embryonic Membranes
No other NEET paper from 2017–2026 tested this exact idea.
Germ Layers and Extra-embryonic Membranes: every question and how it was framed
The chapter
Human Reproduction in ten years of NEET
33 questions from 2017–2026, asked in 10 of 10 papers, about 3.2 a paper. Pregnancy, Embryonic Development and Parturition alone had 6.