Q.

Which of the following statements are correct regarding female reproductive cycle                     [2023]
A. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.
B. First menstrual cycle begins at puberty and is called menopause.
C. Lack of menstruation may be indicative of pregnancy.
D. Cyclic menstruation extends between menarche and menopause.

Choose the most appropriate answer from the options given below:

1 A, B and C only  
2 A, C and D only  
3 A and D only  
4 A and B only  

Ans.

(2)

The first menstruation begins at puberty and is called menarche. Menstrual cycle ceases around 50 years of age in human females, that is called menopause.