Ectopic pregnancies are referred to as

1. pregnancies with genetic abnormality

2. implantation of embryo at site other than uterus

3. implantation of defective embryo in the uterus

4. pregnancies terminated due to the hormonal imbalance

Which of the following events is not associated with ovulation in human female?

1. Decrease in oestradiol

2. Full development of Graafian follicle

3. Release of secondary oocyte

4. LH surge

Which of the following layers in an antral follicle is acellular?

1. Granulosa

2. Theca interna

3. Stroma

4. Zona pellucida

In human females, meiosis-II is not completed until 

1. Puberty

2. fertilization 

3. Uterine implantation 

4. birth 

Which of the following cells during gametogenesis is normally diploid?

1. Primary polar body

2. Spermatid

3. Spermatogonia

4. Secondary polar body

The shared terminal duct of the reproductive and urinary system in the human male is 

1. Urethra

2. Ureter

3. Vas deferens

4. Vasa efferentia

The main function of mammalian corpus luteum is to produce

1. estrogen only

2. progesterone

3. human chorionic gonadotropin

4. relaxin only

Select the correct option describing gonadotropin activity in a normal pregnant female

1. High level of FSH and LH stimulates the thickening of endometrium

2. High level of FSH and LH facilitate implantation of the embryo

3. High level of HCG stimulates the synthesis of estrogen and progesterone

4. High level of HCG stimulates the thickening of endometrium

Which one of the following is not the function of placenta?

1. facilitates supply of oxygen and nutrients to embryo

2. secretes oestrogen

3. facilitates removal of carbon dioxide and waste material from embryo

4. secretes oxytocin during parturition

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

sperm?

1. Sperm is viable for only up to 24 h

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