Ever wondered why you can’t tickle yourself or why some plants turn toward the sun? With millions of species on Earth, complex cellular processes, and body systems that somehow work together without an instruction manual, understanding biology can be more confusing than untangling DNA! Our biology trivia collection brings order to this natural chaos with questions covering everything from the tiniest cellular organelles to the largest ecosystems on our planet. Perfect for satisfying your curiosity about why your heart beats faster when you’re nervous or how whales can hold their breath for so long.
Challenge yourself with these Chemistry Trivia Questions.
Biology Trivia Questions and Answers
- What is the powerhouse of the cell?
Answer: Mitochondria - What organ pumps blood throughout the body?
Answer: Heart - What is the largest organ in the human body?
Answer: Skin - What are the basic building blocks of all living things?
Answer: Cells - What do plants need to make their own food?
Answer: Sunlight, water, and carbon dioxide - What is the process called when plants make their own food using sunlight?
Answer: Photosynthesis - What is the largest animal on Earth?
Answer: Blue whale - How many chambers does a human heart have?
Answer: Four - What are the colored parts of your eyes called?
Answer: Iris - What is the name of the gas that humans breathe in?
Answer: Oxygen - What is the name of the gas that humans breathe out?
Answer: Carbon dioxide - What do you call animals that eat only plants?
Answer: Herbivores - What do you call animals that eat only meat?
Answer: Carnivores - What do you call animals that eat both plants and meat?
Answer: Omnivores - Which body system includes your bones?
Answer: Skeletal system - What are baby frogs called?
Answer: Tadpoles - What is a group of lions called?
Answer: A pride - How many bones does an adult human have?
Answer: 206 - What is the hardest substance in the human body?
Answer: Tooth enamel - What organ helps you breathe?
Answer: Lungs - What liquid carries nutrients through your body?
Answer: Blood - What is the scientific name for the study of animals?
Answer: Zoology - What is the scientific name for the study of plants?
Answer: Botany - What body part produces insulin?
Answer: Pancreas - What do you call a scientist who studies fossils?
Answer: Paleontologist - What is the largest land animal on Earth?
Answer: African elephant - What part of the plant captures energy from sunlight?
Answer: Leaves - What do you call the process where a caterpillar changes into a butterfly?
Answer: Metamorphosis - What are animals without a backbone called?
Answer: Invertebrates - What do you call animals with a backbone?
Answer: Vertebrates - What is the only mammal that can fly?
Answer: Bat - What organ filters waste from your blood?
Answer: Kidneys - What’s the name for the tiny air sacs in lungs where oxygen enters the bloodstream?
Answer: Alveoli - What is the largest part of the human brain?
Answer: Cerebrum - Which animal has the longest lifespan?
Answer: Greenland shark - What do you call an animal that hunts other animals for food?
Answer: Predator - What do you call animals that are hunted by predators?
Answer: Prey - What organ breaks down food for your body to use?
Answer: Stomach - What is the fastest land animal?
Answer: Cheetah - What are the thread-like structures in cells that carry genetic information?
Answer: Chromosomes - What is the name for all the chemical reactions that happen in your body?
Answer: Metabolism - Which blood cells help fight infections?
Answer: White blood cells - What do you call animals that are active during the night?
Answer: Nocturnal - What gas do plants release during photosynthesis?
Answer: Oxygen - What is the genetic material found in cells called?
Answer: DNA (Deoxyribonucleic acid) - What marine mammals are known for their songs that can travel for miles underwater?
Answer: Whales - What is the process called when a plant releases water vapor into the air?
Answer: Transpiration - What animal has the largest brain relative to its body size?
Answer: Ant - What do you call organisms that break down dead plants and animals?
Answer: Decomposers - Which blood vessel carries blood away from the heart?
Answer: Artery - Which blood vessel carries blood toward the heart?
Answer: Vein - What is the only bird that can fly backward?
Answer: Hummingbird - What do you call the relationship where one organism benefits while another is harmed?
Answer: Parasitism - What is the scientific name for the throat?
Answer: Pharynx - Which organ produces bile to help digest fats?
Answer: Liver - What part of a flower eventually becomes fruit?
Answer: Ovary - What is the name for cells that carry messages in the nervous system?
Answer: Neurons - Which fish can change its sex during its lifetime?
Answer: Clownfish