Differentiate between menarche and menopause 

2

(a)

Differentiate between the major structural changes in the human ovary during the follicular and liteal phases of the menstrual cycle. 

2

(a)

Why is it considered that the presence or absence of hymen is not an indication of virginity?

2

(a)

Describe the events of changes that take place in the reproductive organs of a human female during follicular phase of menstrual cycle.

2

(a)

(i) Name the part labelled 'a' and its function.
(ii) Mention the site of fertilisation in the fallopian tube of human female where the ovum and sperm meet exactly.

2

(a)

Name the organs which constitute human female reproductive system.

2

(a)

Explain the events that follow upto fertilization when the sperms come in contact with the ovum in the fallopian tube of a human female.

2

(a)

When and where do chorionic villi appear in humans? State their function.

2

(a)

Name the stage of the human embryo that gets implanted in the uterus and draw its labelled diagram.

2

(a)

What lead to menstruation in the absence of fertilisation?

2

(a)

Why not all copulations lead to fertilisation and pregnancy?

2

(a)

Study the figure given below and answer the question that follow:

a) Identify 'a' in the figure and mention its function.
b) Mention the stage of human embryo it follows.
c) Where are the stem cells located in this embryo?
d) Which part of this stage of human embryo gets attached to endometrium to establish pregnancy?

2

(a)

A pregnant woman gets developed some rashes on her skin. Thinking of allergy, she took some medicines without consulting any doctor.
a) Give a technical term to the agents which may cause malformation in the foetus.
b) Give suggestions, what should that pregnant woman do in such condition?
c) Which fluid in the uterus can be used to detect any abnormalities in the foetal development?

2

(a)