About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs?
Correct answer: A. 14th day
- A. 14th day
- B. 20th day
- C. 5th day
- D. 11th day
Explanation
The correct option (a) 14th day: In a normal human menstrual cycle, the rapid secretion of luteinizing hormone (LH) typically occurs around the 14th day. This surge in LH is also known as the LH surge and is a key event in the menstrual cycle. The LH surge triggers ovulation, which is the release of an egg from the ovary. Following the LH surge, the egg can be fertilized by sperm if sexual intercourse takes place around this time.
Last updated
About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
Practise Reproduction
1,220 free Reproduction MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
2nd meiotic division in the oocyte is completed during the?
50 secondary oocytes in females and 50 secondary spermatocytes in males give rise to:
50 secondary spermatocytes and 50 secondary oocytes will give rise to
A carpel is a leaf which has been modified to produce:
A change in the amount of yolk and its distribution in the egg will affect: