9th Grade Biology Quizzes & Trivia

9th Grade Biology Final Review Test! Are you preparing for your final biology exam as a ninth-grader? The quiz below is meant for you. This first section of the final's quiz is designed to build up your revision before the...

The human body is well defended against infection. Sometimes pathogens like bacteria and viruses do get through, making you ill. There are physical barriers like your skin and the cilia (tiny moving hairs) and mucus that line...

A balanced diet involves eating the right types of nutrients in the right proportions. You may see claims made that fast food is in fact healthy. Yes, the fast food companies do include the main nutrients - carbohydrates,...

Eating a balanced diet is an important factor in staying healthy, but so is exercise which has a positive effect on our health in many ways. During exercise your body's metabolic rate increases which means you burn more...