Events of the menstrual cycle are regulated by:
Correct answer: B. Gonadotrophins
- A. Ethylene
- B. Gonadotrophins
- C. Auxins
- D. Gibberellins
Explanation
Gonadotrophin hormones include FSH and LH, which are released by the pituitary gland under the influence of the hypothalamus. All other hormones mentioned are plant hormones.
Last updated
About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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
A decrease in FSH and an increase in estrogen cause the pituitary gland to secrete:
After ovulation, Graafian follicle regresses into:
After ovulation the ruptured follicle becomes the corpus luteum, which mainly secretes
Based on the peak levels of hormone X, on what day of the cycle is ovulation most likely to occur?
Considering the given diagram1. The hormone "S" initiates the thickening of uterine wall. From where it is secreted?