Pregnancy and Embryonic Development — NEET Biology Questions

Practice 21 questions on Pregnancy and Embryonic Development from Human reproduction (NCERT Class 12, Chapter 2). Free samples below — get all 21 in the app.

21 Questions Human reproduction Class 12

Sample Questions — Pregnancy and Embryonic Development

Try 5 questions below from Pregnancy and Embryonic Development. Get all 21 in the MedicNEET app.

MCQ
Why is the placenta called a structural and functional unit between mother and foetus?
  • A. It produces blood for the foetus
  • B. It forms amniotic sac
  • C. It connects blood supply and hormone exchange
  • D. It prevents fertilisation and hormone exchange
✅ Correct Answer: C
Placenta allows nutrient, gas, and hormone exchange between maternal and foetal systems.
MCQ
Why does placenta act as an endocrine tissue?
  • A. It stores gametes
  • B. It allows menstruation by producing specific hormones
  • C. It produces multiple pregnancy-specific hormones
  • D. It transports lymph along with hormones
✅ Correct Answer: C
Placenta secretes hCG, hPL, estrogens, progesterone, and relaxin.
👆 Want all 21 Pregnancy and Embryonic Development questions? Get them in the app. Download MedicNEET →
MCQ
What is the function of relaxin hormone during pregnancy?
  • A. Induces ovulation
  • B. Maintains corpus luteum
  • C. Relaxes pelvic ligaments
  • D. Increases FSH
✅ Correct Answer: C
Relaxin aids in the relaxation of ligaments to ease childbirth.
MCQ
Which hormones are secreted by the placenta?
  • A. hCG, Estrogen, Progesterone, Relaxin
  • B. FSH, LH, hCG, Relaxin
  • C. Oxytocin, Estrogen, Progesterone
  • D. hCG, LH, FSH, Relaxin
✅ Correct Answer: A
Placenta produces several hormones to support pregnancy including hCG, hPL, estrogens, progesterone, and relaxin.
MCQ
At what stage do limbs and digits appear in the embryo?
  • A. End of 1st month
  • B. End of 2nd month
  • C. End of 3rd month
  • D. End of 5th month
✅ Correct Answer: B
Formation of limbs and digits is complete by the end of the second month.

Practice All 21 Questions from Pregnancy and Embryonic Development

You've seen 5 sample questions. Get all 21 with detailed NCERT-mapped explanations in the MedicNEET app.

📲 Download MedicNEET Free
Available on Android • 12,771 Biology Questions • 3 Formats
📲 Download MedicNEET — 12,771 Biology Questions