Which of the following hormone levels will cause release of ovum (ovulation) from the grafflan follicle$?$
Low concentration of $FSH$
High concentration of Estrogen
High concentration of Progesterone
Low concentration of $LH$
Which one of the following is the correct matching of the events occurring during menstrual cycle?
Ovulation in mammals is caused by
Corpus luteum in mammals is present in
Ovulation takes place in/on
Menstrual flow occurs due to lack of