The immediate cause of induction of ovulation in female is the large plasma surge of
progesterone
estradiol
LH
FSH
C.
LH
Ovulation takes place on 14th day of cycle, concentration of LH is highest on 14th day because it has to break the Graafian follicle so as to release the ovum later if the concentration of estrogen and progesterone decrease there is lose of internal lining of uterus and menstural bleeding start.
Refer to the given figure and choose the correct option regarding its parts labelled as A-F
B-Graafian follicle, F-Corpus luteum
C-Graafian follicle, A-Ovum
B-Primary follicle, C-Tertiary follicle showing antrum
E-Corpus callosum, D-Antrum cavity
If mammalian ovum fails to get fertilized which one of the following is unlikely?
Corpus luteum will disintegrate
Estrogen secretion further decreases
Primary follicle starts developing
Progesterone secretion rapidly declines
Grey crescent is the area
at the point of entry of sperm into ovum
just opposite to the site of entry of sperm into ovum
at the animal poles
at the vegetal pole
Sertoli cells are found in testis. These cells are
nurse cells
reproductive cells
receptor cells
None of the above
