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