137+ Biology Trivia Questions with Answers

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Quiz Questions

What nerve tissue transmits light signals from your eye lens to the brain?

  • Retina
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51 64

What natural biological defense system protects the body from disease and fights off germs?

  • Immunity
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47 74

What makes up about 70 percent of most living things?

  • Water
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45 69

What light-sensitive cells in the eye detect colors?

  • Cones
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52 68

What layer of the skin is just below the surface?

  • Dermis
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56 56

What kingdom would a human be in?

  • Animal
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54 64

What kind of plant stem is soft and green?

  • Herbaceous
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50 64

What keeps a duck dry even though it spends almost all its time in the water?

  • Feathers
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44 67

What is the waxy covering on plant leaves?

  • Cuticle
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50 72

What is the upper surface of the plant leaf called?

  • Upper Epidermis
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50 68

What is the tube that carries food into the stomach called?

  • Esophagus
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53 67

What is the substance that cell walls in green plants are made of?

  • Cellulose
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61 74

What is the sticky part of the pistil called?

  • Stigma
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45 67

What is the process of joining the male and female sex cells of a plant called?

  • Pollination
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59 60

What is the process of breaking down food called?

  • Digestion
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51 66

What is the outside covering of a plant's root called?

  • Root Epidermis
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57 66

What is the outermost covering of trees and some plants called?

  • Bark
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48 58

What is the outer skeleton of organisms such as spiders and insects called?

  • Exoskeleton
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42 59

What is the only canine that can climb trees?

  • Gray Fox
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43 48

What is the nerve that helps transmit sound signals to your brain?

  • Auditory
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46 53

What is the name of the sugary substance that many insects get from flowers?

  • Nectar
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50 50

What is the name of the largest shark?

  • Whale Shark
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45 54

What is the name for a virus that infects a bacteria?

  • Bacteriophage
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46 52

What is the most diverse group of gymnosperms?

  • Conifers
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57 51

What is the leaf of a fern called?

  • Frond
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56 56

What is the leading male or female called in a pack of wolves?

  • Alpha
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47 58

What is the largest known spider in the world?

  • Goliath Bird-Eating Spider
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58 56

What is the largest crocodilian in the world?

  • Saltwater Crocodile
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50 55

What is the Japanese word for "dog"?

  • Inu
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44 48

What is the human body's largest organ?

  • Skin
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46 53

What is the fin on the backs of fish, some whales and dolphins called?

  • Dorsal Fin
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53 56

What is the expected time an organism will live called?

  • Life Span
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47 62

What is the correct plural of Keeshond?

  • Keeshonden
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43 47

What is the cell where a virus reproduces called?

  • Host Cell
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44 57

What is the biggest artery in the human body?

  • Aorta
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46 54

What is the basic unit of function and structure in living organisms?

  • Cells
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What is scientific name for the job or role an organism plays in its habitat?

  • Niche
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46 54

What is on your tongue that allows you to taste the differences in different foods?

  • Taste Buds
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45 53

What is made by white blood cells to help fight off infection?

  • Antibody
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What is group of cells that work together and form an organ called?

  • Tissues
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What is another name for the voice box?

  • Larynx
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49 59

What is an urolith?

  • A Bladder Stone
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55 54

What is an algal bloom that occurs in salt water called?

  • Red Tide
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48 63

What is a young bear called?

  • Cub
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46 56

What is a "jonquil"?

  • A Garden Plant
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43 61

What is a hominid?

  • An Upright-Walking Primate
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52 62

What is a full set of bones called?

  • Skeleton
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49 55

What is a cell that provides energy for another organism called?

  • Host Cell
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45 56

What insect carries the organism that causes malaria?

  • Mosquito
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45 59

What happens to your skin's blood vessels as you exercise?

  • They Widen
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46 60
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