Class 8 Biology - Reaching the Age of Adolescence (Worksheet)
Fill in the blanks with suitable words.
1. The period of life, when the body undergoes certain noticeable changes, leading to reproductive maturity is called __________.
2 _______ is the start of the time when a boy is biologically ready to become a father and a girl is ready to become a mother.
3. ______ are thread-like structures in the nucleus carrying genetic information.