This biology quiz covers cells and DNA, the organs of the human body, photosynthesis and famous discoveries by Darwin, Mendel and Fleming. Each answer is followed by a one-line explanation that helps with revision.
This page starts a game with the Biology category already selected: 18 checked questions, 10 per round. It is free in any browser, with no download and no account, and it is part of the full Science Quiz, one of 50+ games on My MP Games.
How to Play the Biology Quiz
- Pick a mode. Play vs Computer for an instant opponent, Local vs to share one phone or laptop, or Create room to send a friend a room code.
- Read the question. Both players see the same question and four answers at the same time.
- Tap your answer. Your choice locks in at once and turns green if it is right or red if it is wrong.
- Read the explanation. A short note explains the right answer before the next question appears.
- Score points. Every correct answer scores one point, even if both players get it. First to 6 points wins, or the higher score after 10 questions.
Sample Questions
- What is the largest organ of the human body?
- Which organ pumps blood around the body?
- Which blood cells fight infection?
- Who proposed the theory of evolution by natural selection?
- How many chambers does the human heart have?
- How many pairs of chromosomes do humans usually have?
Answers stay hidden until you play. Want a gentler round? Set Difficulty to Easy in Game options.
More Science Quiz Topics
Biology Quiz FAQ
How many questions are in the biology quiz?
18 questions. Each game draws 10 at random, and the first player to 6 correct answers wins.
Can I change the category or difficulty?
Yes. Open Game options before you start to choose any Science Quiz category and Easy, Medium, Hard or Mixed.
Do I see the right answer?
Yes. Right after you answer, your choice turns green or red, the correct answer is shown, and a short explanation appears.
Is it free?
Yes. It is free with no account and no download, on phone, tablet or computer.
