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2.Human Reproduction
normal
The reproductive cycle in the female primate monkeys, apes and human beings is called
A
Menstrual cycle
B
Menarche
C
Menopause
D
ovulation
Solution
Menstrual Cycle.$(i)$ The rhythmic series of changes that occurs in the reproductive organs of female primates (monkeys, apes and human beings) is called menstrual cycle.$(ii)$ It is repeated at an average interval of about $28 / 29\; days$. The first appearance of menstruation at puberty is called menarche
Standard 12
Biology