Which one of the following statements is false in respect of viability of mammalian sperm?

1.	Sperm is viable for only up to 24 hours
2.	Survival of sperm depends on the pH of the medium and is more active in alkaline medium
3.	Viability of sperm is determined by its motility
4.	Sperms must be concentrated in a thick suspension

Signals for parturition originate from:

1. Both placenta as well as fully developed foetus

2. Oxytocin released from maternal pituitary

3. Placenta only

4. Fully developed foetus only

The Leydig cells as found in the human body are the secretory source of:

1. Progesterone

2. Intestinal mucus

3. Glocagon

4. Androgens

Sertoli cells are found in:

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from:

1. epididymis to vas deferens

2. ovary to uterus

3. vagina to uterus

4. testis to epididymis

The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of A-F have been correctly identified? 
             

1.  C-Infundibulum, D-Fimbriae, E-Cervix

2.  D-Oviducal funnel, E-Uterus, F-Cervix

3.  A-perimetrium, B-Myometrium, C-Fallopian tube

4.  B-Endometrium, C-Infundibulum, D-Fimbriae

Vasa efferentia are the ductules leading from:
1. Testicular lobules to rete testis
2. Rete testis to vas deferens
3. Vas deferens to epididymis
4. Epididymis to urethra

Seminal plasma in human males is rich in:

1. fructose and calcium

2. glucose and calcium

3. DNA and testosterone

4. ribose and potassium

The first movements of the foetus and the appearance of hair on its head are usually observed during which month of pregnancy?

1. Fourth month

2. Fifth month

3. Sixth month

4. Third month