Follicular atresia is
(1) Formation of corpus luteum
(2) Degeneration of folliciles
(3) Formation of Graffian follicle
(4) Increase in number of follicles
The menstrual cycle begins with the casting off of
(1) Placenta
(2) Blood
(3) Endometrial lining along with blood vessels
(4) All the three
Graafian follicle of ovary secretes which hormone
1. Cortisone
2. Relaxin
3. Progesterone
4. None of these
Human milk differs from cow's milk in that it contains a
(1) Higher percentage of fat
(2) Higher percentage of carbohydrate
(3) Lower percentage of protein
(4) (2) and (3)
The substrate used for sperm metabolism is produced by the
1. prostate
2. seminal vesicle
3. Cowper's gland
4. testes
Which of the following hormones acts on the Sertoli cells to stimulate secretion of some factors which help in the process of spermiogenesis?
1. FSH
2. LH
3. Testosterone
4. GnRH
The developing oocyte divides and releases the first polar body in :
1. Primary follicle
2. Secondary follicle
3. Tertiary follicle
4. Graffian follicle
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