Biology questions
20584 published questions with worked solutions.
- Acrosome is a part of
- Spermatogenesis is induced by
- Graafian follicle after releasing ovum is called
- During the ovum formation, meiosis occurs in
- The second maturation division of the mammalian ovum occurs
- 2n = 16 is a primary spermatocyte, which is in metaphase of first meiotic division. What shall be the total number of chromatids...
- The tertiary follicle changes into
- The phase of menstrual cycle in humans that lasts for 7-8 days is
- Which one of the following events is correctly matched with the time period in a normal menstrual cycle?
- Correct sequence of hormone from beginning of menstrual cycle to the end is
- The main function of mammalian corpus luteum is to produce
- What happens during the follicular phase of menstrual cycle?
- Which hormone level reaches peak during luteal phase of menstrual cycle?
- Rapid secretion of LH in ovulation causes
- In the human female, menstruation can be deferred by the administration of
- Ovulation takes place in a month between
- Progesterone is needed for the maintenance
- Which type of hormones manly control the menstrual cycle in human beings?
- Secretion from which of the following structures prepares the inner wall of the uterus for implantation?
- The first menstruation begins at puberty is called