BIOLOGY QUIZ Test Your Knowledge Of Biology With These Quizzes Biology Online Quiz for Kids and Adults #1. Mitochondria in living cell is responsible for: Building proteins To controls all its activity communication with the external environment Power generation Work Harder #2. How Many insects Are There on Earth? Ten billion Ten trillion Ten million trillion 100 billion Work Harder Previous Finish Results Well Done. You Are Roaring Like A Lion Keep Working. Slow & Steady Wins The Race START NEW
