A) Size of cells decreases B) Size of embryo increases C) Size of embryo decreases D) Size of cells increases Answer:Â A) Size of cells... View Article
A) Prolactin B) Human chorionic gonadotropin C) Progesterone D) Estrogen Answer:Â A) Prolactin Explanation: Placenta acts as a temporary... View Article
A) just before the end of the secretory phase B) at the mid of secretory phase C) at the end of the proliferative phase D) at the beginning of... View Article
A) FSH B) LH C) Prolactin D) GH Answer:Â A) FSH Explanation: FSH or follicle-stimulating hormone is secreted by the anterior pituitary gland.... View Article
A) Germinal epithelium B) Stroma C) Graafian follicle D) Vitelline membrane Answer:Â C) Graafian follicle Explanation: The ruptured Graafian... View Article
A) causes strong uterine contractions during parturition B) stimulates pituitary to secrete vasopressin C) stimulates growth of mammary glands... View Article
A) Secretory phase - Development of corpus luteum and increased secretion of progesterone B) Proliferative phase - Rapid regeneration of... View Article
A) Liver B) Male accessory glands C) Salivary glands D) Pancreas Answer:Â B) Male accessory glands Explanation: The secretion from male... View Article
A) gets implanted into uterus 3 days after ovulation B) forms placenta even before implantation C) gets implanted in endometrium by the... View Article
A) It has far less cytoplasm as well as less DNA than in an uncleaved zygote B) It has almost equal quantity of cytoplasm as an uncleaved zygote... View Article
A) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation B) Acrosome has a conical pointed structure used for... View Article
A) until after the ovum has been penetrated by a sperm B) shortly after ovulation before the ovum makes entry into the Fallopian tube C) in the... View Article
A) oxytocin released from maternal pituitary B) both placenta as well as fully developed foetus C) fully developed foetus only D) placenta... View Article
A) Fifth month B) Fourth month C) Third month D) Sixth month Answer:Â A) Fifth month Explanation: Pregnancy in humans lasts normally for 9... View Article
A) glucose and calcium B) fructose and calcium C) ribose and potassium D) DNA and testosterone Answer:Â B) fructose and calcium Explanation:... View Article
A) rete testis to vas deferens B) testicular lobules to rete testis C) epididymis to urethra D) vas deferens to epididymis Answer:Â A) rete... View Article
A) adrenal cortex and secrete adrenaline B) ovaries and secrete progesterone C) pancreas and secrete cholecystokinin D) seminiferous tubules... View Article
A) 20th day B) 14th day C) 11th day D) 5th day Answer:Â B) 14th day Explanation: The LH surge (secreted by the anterior pituitary) induces... View Article
A) All sperms except the one nearest to the ovum lose their tails B) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona... View Article
