If there is no fertilisation then will ovum be released or only secondary oocyte will be released?? If only secondary oocyte would be released then why??

Q. Assertion :Upto ovulation oocyte has released one polar body. Reason: Released oocyte in the fallopian tube is in secondary metaphase stage.

Q. Secondary oocyte is released from the ovary at which stage?

Q. Rupture of the Graafian follicle to release the secondary oocyte is called .

Q. Granulosa layers being important layers that surround the follicle, when present around the follicles with a large central cavity, ruptures and releases secondary oocyte. This structure is called _________.