In a female undergoing hysterectomy, which one of the following event will not occur a) formation of graafian follicle b)ovulation c) Menstruation d) completion of meiosis I and fomation of secondary oocyte

Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?

If three events A,B,C are mutually exclusive, then which one of the following is correct?

which of the following secondary pollutants ? (a) CO_2 (b) ozone (c) PAN (d) CO

(a) Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase. (b) Why is follicular phase in the menstrual cycle also referred as proliferative phase ? Explain. (c) Explain the events that occur in a graafian follicle at the time of ovulation and thereafter. ltbvrgt (d) Draw a graafian follicle and label antrum and secondary oocyte.

If A, B and C are any three arbitrary events then which one of the following expressions shows that both A and B occur but not C ?

Read the following statements carefully. (1) Female external genitalia include labia majora , labia minora , clitoris , vagina, and hymen . (2) In female, at puberty , both ovaries contain about 60,000-80,000 primary follicles . (3) The progesterone hormone concentration remains high prior to ovulation in the follicular phase of the follicular phase of the menstrual cycle . (4) The second meiotic division of secondary oocyte is completed inside ovary only after the entry of sperm. How many from the above are incorrect statements ?

Name the stages during which following events occur: (i) Desynapsis (ii) Tetrad formation. (iii) Reduction of amount of DNA per chromosome in meiosis.

If A and B are two events, then which of the following does not represent the probability that exactly one of A, B occurs is