Question

Given below are events that lead to pregnancy and development of embryo:
(i) Fertilisation of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo onto thickened uterine wall.

Which of the following options give the correct order of sequence in which they occur?

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

Answer 1

The correct option is D ii, iii, i, iv

The events that lead to pregnancy and development of embryo are as follows:
1. Maturation of egg
2. Release of egg
3. Fertilisation of egg
4. Embedding or implantation of embryo onto the thickened uterine wall.