Given below are the events that lead to pregnancy and development of embryo;
(i) Fertilization of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in thickened uterine wall
Which of the following options give the correct order of the sequence in which they occur?

i, ii, iii, iv

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ii, i, iii, iv

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i, iv, ii, iii

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ii, iii, i, iv

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Solution

The correct option is D ii, iii, i, iv
Following are the events that lead to pregnancy and development of embryo: Maturation of egg, release of egg, fertilization of egg, embedding, i.e. implantation of embryo onto the thickened uterine wall.

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Question 3
Given below are events that lead to pregnancy and development of embryo

(i) Fertilization of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in thickened uterine wall.

Which of the following options gives 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

Q. The key events in embryo development are given below which is the correct order of seequences
i) organogenesis ii) Fertilization iii) Gastrulation iv) Neurulation v) Cleavage

Q. The given diagram shows changes in uterine lining during a menstrual cycle (divided in five phases,

a t o f

).
(i) When release of the egg from the ovary is expected to happen?
(ii) When menstruation is expected to occur?
(iii) If the egg gets fertilized, when implantation of embryo is expected to occur?

Arrange the following sentences related to menstrual cycle in correct sequence :
a) release of egg from ovary
b) breakdown of thickened inner wall of uterus
c) thickening of wall of uterus
d) maturation of ovum
[2 MARKS]

Arrange the following events of the menstrual cycle in correct sequence.
a) release of an egg from the ovary
b) breakdown of the thickened inner wall of the uterus
c) thickening of the wall of the uterus
d) maturation of the ovum

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Given below are the events that lead to pregnancy and development of embryo; (i) Fertilization of egg (ii) Maturation of egg (iii) Release of egg (iv) Embedding of embryo in thickened uterine wall Which of the following options give the correct order of the sequence in which they occur?

The correct option is D ii, iii, i, ivFollowing are the events that lead to pregnancy and development of embryo: Maturation of egg, release of egg, fertilization of egg, embedding, i.e. implantation of embryo onto the thickened uterine wall.

Given below are the events that lead to pregnancy and development of embryo;
(i) Fertilization of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in thickened uterine wall
Which of the following options give the correct order of the sequence in which they occur?

The correct option is D ii, iii, i, iv
Following are the events that lead to pregnancy and development of embryo: Maturation of egg, release of egg, fertilization of egg, embedding, i.e. implantation of embryo onto the thickened uterine wall.