Some examples from this set of practice questions
1.
What is menstrual cycle? Which hormones regulate menstrual cycle?
Answer: The reproductive cycle in the female primates is called menstrual cycle. The uterus linings becomes thick and spongy to receive fertilised egg. If the egg is not fertilised, this lining is not needed any longer so, it slowly breaks and comes out through vagina along with blood and mucus. This is called menstruation. It is repeated at an average interval of about 28/29 days. Following hormones regulate this cycle : 1. Gonadotropin 2. Estrogen 3. Luteinizing hormone 4. Follicular stimulating hormone 5. Progesterone.
2.
What is parturition? Which hormones are involved in induction of parturition?
Answer: The process of delivery of the foetus (child birth) at the end of the pregnancy is called parturition. The signals for parturition originate from the fully developed foetus and the placenta which trigger the release of oxytocin from the maternal pitutary. Oxytocin acts on the uterine muscles and induces stronger uterine contractions leading to expulsion of the baby. Relaxin hormone released by the ovary widens the vagina to facilitate birth. Following hormones are involved in induction of parturition: 1. Cortisol 2. Estrogen 3. Oxytocin.
3.
Where is carpora cavernosa found?
Answer: Carpora cavernosa is found in penis.
4.
What is the gestation period in elephant, dog and cat?
Answer: Gestation period in Elephant 641 days, dog 58-68 days, cat 63 days.
5.
Name the hormone that relaxes pubic symphysis during parturition.
Answer: Relaxin Hormone.
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