Question

Match the following events during pregnancy with time

List I	List II
A. End of 4 weeks	i. Development of limbs and limb digits
B. End of 8 weeks	ii. Hair on body and separation of eyelids
C. End of 12 weeks	iii. Formation of heart
D. End of 24 weeks	v. Formation of external genital organs

• A. A – iii, B – i, C – ii, D – iv
• B. A – iii, B – i, C – v, D – ii
• C. A – iii, B – ii, C – iv, D – i
• D. A – iii, B – iv, C – ii, D – i

Hint:

Human embryogenesis is staged—each week marks a key organ system development.

Answer 1

The Correct Option is B

- Heart forms by the 4th week
- Limb development occurs by the 8th week
- External genitalia differentiate by the 12th week
- Hair and eyelid separation occur around the 24th week