Ectopic pregnancies are referred to as?
1. | Pregnancies with a genetic abnormality |
2. | Implantation of an embryo at a site other than the uterus |
3. | Implantation of the defective embryo in the uterus |
4. | Pregnancies terminated due to the hormonal imbalance |
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 |
Capacitation refers to changes in the:
1. | Increase in oestrogen and progesterone ratio |
2. | Synthesis of prostaglandins |
3. | Release of oxytocin |
4. | Release of prolactin |
The main function of mammalian corpus luteum is to produce:
1. Oestrogen only
2. progesterone
3. human chorionic gonadotropin
4. relaxin only
Which one of the following is not the function of placenta?
1. | Secretes estrogen |
2. | Facilitates removal of carbon dioxide and waste material from embryo |
3. | Secretes oxytocin during parturition |
4. | Facilitates supply of oxygen and nutrients to embryo |
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:
1. | ovaries and secrete progesterone |
2. | adrenal cortex and secrete adrenaline |
3. | seminiferous tubules and provide nutrition to germ cells |
4. | pancreas and secrete cholecystokinin |