Multiple choice In human beings, reproductive organs of females mature at the age of _____ years. 10 to 12 12 to 13 15 to 18 18 to 23 Reveal answer Fill a bubble to check yourself B Correct answer Explanation Female reproductive organs typically mature between 10-13 years, with menarche (first menstruation) occurring around 12-13 years on average. This marks the onset of reproductive capability.