Oogenesis differs from spermatogenesis in a number of aspects. One of the following is however a similarity between the two

1. Growth phase is  prolonged in both of them an starts before birth

2. Both give rise to non-motile gametes

3. Both produce equal number of gametes

4. Both occur inside primary sex organ

Which of the following occur during pre ovulatory phase?

a. Formation of corpus heamorrhagicum

b. Luteal phase

c. Secretory phase

d. Follicular phase

e. Proliferative phase

1. d & e only

2. a, b & c only

3. a, b & e only

4. c & d only

The following graph of relative concentrations of the four hormones present in the blood plasma of a woman during menstrual cycle. Identify the hormones:

           A               B                    C                    D

1. FSH           Progesterone          LH              Oestrogen

2. LH             Progesterone         FSH             Oestrogen

3. FSH            Oestrogen             LH              Progesterone

4. LH              Oestrogen             FSH            Progesterone

Which of the following cell completes the first meiotic division leading to the formation of two equal, haploid cells?
1. Spermatogonium
2. Primary spermatocytes
3. Secondary spermatocytes
4. Spermatids

Match the column and choose the correct answer.
Column-I                       Column-II
a. Hypothalamus          (i) Sperm lysin
b. Acrosome                (ii) Estrogen
c. Graffian follicle         (iii) Relaxin
d. Leydig cells             (iv) GnRH
e. Parturition               (v) Testosterone

1. a(iv), b(i), c(ii), d(iii), e(v)
2. a(ii), b(i), c(iv), d(iii), e(v)
3. a(ii), b(i), c(v), d(iv), e(iii)
4. a(iv), b(i), c(ii), d(v), e(iii)

Which of the following statement is incorrect about menstrual cycle?
1. LH Surge causes ovulation at the mid of the menstrual cycle
2. Corpus luteum is formed by graafian follicle on the next day of ovulation under the influence of progesterone
3. Abrupt fall in progesterone is the instant cause of menstruation
4. Corpus luteum remains active about 10-12 days in a normal menstruating female

No new follicles develop in the luteal phase of the menstrual cycle because :

Which of the following depicts the correct pathway of transport of sperms?

An oocyte is released from the ovary under the influence of LH
1. After completing meiosis and before polar body are released
2. After completing meiosis I and before release of polar body
3. After completing meiosis
4. After completing meiosis I and after release of polar body

Which of the following hormones is not a secretion product of human placenta?
1. Prolactin
2. Oestrogen
3. Progesterone
4. Human chorionic gonadotropin