During parturition, the fetal ejection reflex triggers the release of:

1. An increasing amount of estrogen and a decreasing amount of progesterone from the placenta

2. A decreasing amount of estrogen and an increasing amount of progesterone from the placenta

3. Oxytocin from the maternal pituitary

4. GnRH from the fetal hypothalamus

Mature sperms in humans are stored in:

(1) Seminal vesicles

(2) Epididymis

(3) Vas deferens

(4) Rete testis

Menstruation is triggered by an abrupt decline in the amount of:

1. Estrogen

2. Progesterone

3. LH

4. FSH

Capacitation occurs in

(1) rete testis

(2) epididymis

(3) vas deferens

(4) female reproductive tract

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

1. Rete testis $\to$Efferent ductules $\to$ Epididymis $\to$ vas deferens

2. Rete testis $\to$ Epididymis $\to$ Efferent ductules $\to$ vas deference

3. Rete testis $\to$ Vas deference $\to$ Efferent ductules $\to$ Epididymis

4. Efferent ductules $\to$Rete testis $\to$ Vas deference $\to$Epididymis

Match column I with column II and select the correct option using the codes given below

    Column 1                             Column II

A. Mons pubis                  1. Embryo formation

B. Antrum                        2. Sperm

C. Trophectoderm            3. Female external genitalia 

D. Nebenkern                   4. Graafian follicle

Codes

      A      B     C       D

(a)  3      4     2       1

(b)  3      4     1       2

(c)  3      1     4       2

(d)  1      4     3       2

Several hormones like hCG, hPL, oestrogen, progesterone are produced by

(1) ovary

(2) placenta

(3) Fallopian tube

(4) pituitary

Identify the correct statement on ‘inhibin'

1. Is produced by granulosa cells in ovary and inhibits the secretion of FSH

2. Is produced by granulosa cells in ovary and inhibits the secretion of LH

3. Is produced by nurse cells in testes and inhibits the secretion of LH

4. Inhibits the secretion of LH, FSH and prolactin

Select the incorrect statement

1. LH and FSH triggers ovulation in ovary

2. LH and FSH decrease gradually during the follicular phase

3. LH triggers secretion of androgens from the Leydig cells

4. FSH stimulates the Sertoli cells which help in spermiogenesis

Fertilisation in humans is practically feasible only if

1. the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube
2. the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix
3. the sperms are transported into cervix within 48 hrs of release of ovum in uterus
4. the sperms are transported into vagina just after the release of ovum in fallopian tube