125+ Biology Trivia Questions To Test Your Knowledge Today!

Are you curious about the natural world? If yes, welcome to our biology trivia quiz. Through this quiz, you can learn and explore the world around you. It is designed for both biology experts and others craving to discover more about the human body, plant life, and animal life. 

Ranked in order of difficulty, these biology trivia questions aim to test your biology knowledge in a fun and exciting way. 

So, let’s check if you still remember the school concepts about the digestive, nervous, and respiratory systems and their functions. Ask your friends to participate in the quiz and double the fun.

biology trivia questions for kids

Q: What is the largest organ in the human body?
A: Skin.

Q: What is the powerhouse of the cell and produces ATP for energy?
A: Mitochondria.

Informative  Biology Trivia Questions For Kids

Q: What gas do plants absorb from the atmosphere during photosynthesis?
A: Carbon dioxide (CO2).

Q: What is the process by which plants make their own food using sunlight?
A: Photosynthesis.

Q: Which gas do humans inhale and use for respiration?
A: Oxygen (O2).

Q: What is the chemical symbol for water?
A: H2O.

Q: Which gas do humans exhale as a waste product of respiration?
A: Carbon dioxide (CO2).

Q: What is the genetic material found in the nucleus of eukaryotic cells?
A: DNA (Deoxyribonucleic acid).

Educational  Biology Trivia Questions For Kids

Q: What is the smallest unit of life that can carry out all the functions of living organisms?
A: Cell.

Q: What is the process by which organisms maintain a stable internal environment?
A: Homeostasis.

Q: What is the study of how organisms interact with each other and their environment?
A: Ecology.

Q: What is the name of the process by which plants release water vapor into the atmosphere?
A: Transpiration.

Q: What type of biomolecule includes enzymes, hormones, and antibodies?
A: Proteins.

Q: What is the name of the sugar found in DNA molecules?
A: Deoxyribose.

Insightful  Biology Trivia Questions For Kids

Q: What is the name of the sugar found in RNA molecules?
A: Ribose.

Q: What is the smallest unit of an element that retains the properties of that element?
A: Atom.

Have A Biology Trivia Question Of Your Own? Share In The Comments! Especially Like This
Q: What is the process by which plants and some bacteria convert atmospheric nitrogen into ammonia?
A: Nitrogen fixation.

Q: What is the main function of red blood cells in the human body?
A: Transporting oxygen.

Q: What is the chemical formula for glucose, a primary source of energy for cells?
A: C6H12O6.

Q: What is the name of the fluid that surrounds the organelles within a cell?
A: Cytoplasm.

Wise Biology Trivia Questions For Kids

Q: What is the longest bone in the human body?
A: Femur.

Q: What is the main function of white blood cells in the immune system?
A: Fighting infections and diseases.

Q: What is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll?
A: Photosynthesis.

Q: What is the chemical name for the pigment responsible for the green color of plant leaves?
A: Chlorophyll.

Q: What is the process by which a cell divides into two identical daughter cells?
A: Cell division.

Q: What is the name of the outermost layer of the Earth’s atmosphere, where the International Space Station orbits?
A: Exosphere.

Savvy Biology Trivia Questions For Kids

Q: What is the chemical symbol for potassium?
A: K.

Q: What is the scientific term for the study of fungi?
A: Mycology.

Q: What gas do humans exhale when they breathe out?
A: Carbon dioxide (CO2).

Q: What is the largest internal organ in the human body?
A: Liver.

Q: What is the process by which plants and animals convert food into energy?
A: Metabolism.

Q: What is the name of the process by which cells engulf and digest large particles or other cells?
A: Phagocytosis.

Intelligent  Biology Trivia Questions For Kids

Q: What is the chemical symbol for sodium?
A: Na.

Q: What is the smallest bone in the human body?
A: Stapes bone in the ear.

Q: What is the process by which an organism changes over time to adapt to its environment?
A: Evolution.

Got A Biology Trivia Question? Drop Your Comments! Especially Like This
Q: What is the main function of the respiratory system in the human body?
A: Exchange of oxygen and carbon dioxide.

Q: What is the scientific name for the study of insects?
A: Entomology.

Q: What is the chemical symbol for carbon?
A: C.

Thoughtful  Biology Trivia Questions For Kids

Q: What is the process by which plants lose water vapor through tiny openings called stomata?
A: Transpiration.

Q: What is the name of the pigment responsible for the red color of blood and binds to oxygen for transport?
A: Hemoglobin.

Q: What is the name of the process by which some microorganisms convert sugars into alcohol and carbon dioxide?
A: Fermentation.

Q: What is the chemical symbol for hydrogen?
A: H.

Q: What is the term for the process of cell eating, in which cells engulf and digest particles or other cells?
A: Phagocytosis.

Resourceful  Biology Trivia Questions For Kids

Q: What is the chemical symbol for oxygen?
A: O2.

Q: What is the process by which plants and animals break down food molecules to release energy?
A: Cellular respiration.

Q: What is the name of the organelle that serves as the cell’s packaging and distribution center?
A: Golgi apparatus.

Q: What is the name of the tiny hair-like structures on the surface of some cells that help with movement?
A: Cilia.

Q: What is the scientific term for the study of the interactions between organisms and their environments?
A: Ecology.

Q: What is the name of the process by which an organism produces offspring through the union of male and female gametes?
A: Sexual reproduction.

Brainy Biology Trivia Questions  For Kids

Q: What is the chemical symbol for nitrogen?
A: N.

Q: What is the primary pigment responsible for the color of the skin, hair, and eyes in humans?
A: Melanin.

Q: What is the name of the specialized cells in plants responsible for photosynthesis?
A: Chloroplasts.

Q: What is the largest planet in our solar system?
A: Jupiter.

Q: What is the process by which some animals, like lizards, shed and replace their outer skin layer?
A: Molting.

Do You Have This Kind Of One? Share With Us!
Q: What is the chemical symbol for calcium?
A: Ca.

Q: What is the process by which plants and animals obtain energy from food and release carbon dioxide and water as waste?
A: Respiration.

Q: What is the name of the fluid that circulates in the circulatory system and carries oxygen and nutrients to cells?
A: Blood.

Q: What is the chemical symbol for iron?
A: Fe.

Q: What is the scientific term for the study of the classification and naming of organisms?
A: Taxonomy.

Q: What is the name of the process by which plants bend toward a light source?
A: Phototropism.

Q: What is the chemical symbol for phosphorus?
A: P.

Our journey through the world of biology trivia has been a fascinating exploration of life’s complexity and beauty! From the intricacies of cellular biology to the grandeur of ecosystems, we’ve uncovered the wonders that surround us every day.

Keep your sense of wonder alive, and may your fascination with the living world continue to flourish like the most resilient of organisms! 🌟

More To Explore:

Was this article helpful?
Want More Trivia?

Our trivia generator tool helps you to get extra knowledge! Why wait? Have a look!

Let's Go
Test Your Knowledge!

Leave a Comment