Human Reproduction

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

1. Release of secondary oocyte
2. LH surge
3. Decrease in estradiol
4. Full development of Graafian follicle

Ectopic pregnancies are referred to as

1. implantation of defective embryo in the uterus
2. pregnancies terminated due to hormonal imbalance
3. pregnancies with genetic abnormality
4. implantation of embryo at site other than uterus.

Which of the following cells during gametogenesis is normally diploid?

1. Spermatogonia
2. Secondary polar body
3. Primary polar body
4. Spermatid

Capacitation refers to changes in the

1. ovum after fertilisation
2. sperm after fertilisation
3. sperm before fertilisation
4. ovum before fertilisation

Hysterectomy is surgical removal of

1. vas deferens
2. mammary glands
3. uterus
4. prostate gland

Which of these is not an important component of initiation of parturition in humans?

1. Release of oxytocin
2. Release of prolactin
3. Increase in estrogen and progesterone ratio
4. Synthesis of prostaglandins

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 facilitates 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.

What is the correct sequence of sperm formation?

1. Spermatogonia, spermatozoa, spermatocytes, spermatids
2. Spermatogonia, spermatocytes, spermatids, spermatozoa
3. Spermatids, spermatocytes, spermatogonia, spermatozoa
4. Spermatogonia, spermatocytes, spermatozoa, spermatids