In human beings, pregnancy lasts for around 9 months. It is called the gestation period, i.e. the period of embryonic development. The gestation... View Article
A) 1 B) 4 C) 2 D) 8 Answer:Â C) 2 Explanation: Sperms are produced by the process of spermatogenesis from the male germ cells. Each primary... View Article
A) mesoderm B) ectoderm C) ectoderm and mesoderm D) endoderm Answer:Â A) mesoderm Explanation: The inner cell mass differentiates into three... View Article
A) mesoderm B) ectoderm C) ectoderm and mesoderm D) endoderm Answer:Â B) ectoderm Explanation: The inner cell mass differentiates into three... View Article
A) luteinizing hormone B) luteotrophic hormone C) progesterone D) estrogen Answer:Â C) progesterone Explanation: Corpus luteum secretes... View Article
A) middle piece of sperm B) polar bodies C) acrosome D) mature eggs Answer:Â D) mature eggs Explanation: Fertilizin is a chemical secreted by... View Article
A) corpus callosum B) corpus artesia C) corpus albicans D) corpus luteum Answer:Â D) corpus luteum Explanation: After ovulation, the Graafian... View Article
A) mitochondria B) proteins C) nucleus D) centriole Answer:Â A) mitochondria Explanation: Numerous mitochondria are present in the middle... View Article
A) blastocoel B) archenteron C) alimentary canal D) coelom Answer:B) archenteron Explanation: Archenteron is the primitive gut formed during... View Article
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
