250 Best Biology Trivia Questions and Answers

Whether you’re a biology enthusiast, a student studying for an exam, or simply looking to challenge your knowledge, this comprehensive list of our 250 Best Biology Trivia Questions and Answers is here to entertain and educate. From basic concepts to fascinating facts about the natural world, we’ve compiled a diverse range of questions to test your understanding of biology. Carefully read through!

250 Best Biology Trivia Questions and Answers

• 1. What is the largest organ in the human body?
  Answer: The skin.
• 2. What is the powerhouse of the cell?
  Answer: The mitochondria.
• 3. Which gas is responsible for the green color of plants?
  Answer: Chlorophyll.
• 4. What is the scientific term for the study of insects?
  Answer: Entomology.
• 5. True or False: All living organisms require oxygen to survive.
  Answer: True.
• 6. What is the smallest unit of life?
  Answer: The cell.
• 7. What is the process by which plants convert sunlight into energy?
  Answer: Photosynthesis.
• 8. Which organ is responsible for filtering waste from the blood?
  Answer: The kidneys.
• 9. What is the chemical symbol for water?
  Answer: H2O.
• 10. True or False: Humans share about 50% of their DNA with bananas.
  Answer: True.
• 11. What is the largest organ in the human body?
  Answer: The liver.
• 12. What is the study of how organisms interact with their environment called?
  Answer: Ecology.
• 13. Which gas do humans inhale and exhale during respiration?
  Answer: Oxygen and carbon dioxide.
• 14. What is the process by which a caterpillar transforms into a butterfly called?
  Answer: Metamorphosis.
• 15. True or False: All mammals lay eggs.
  Answer: False.
• 16. What is the scientific term for the study of heredity?
  Answer: Genetics.
• 17. Which part of a plant absorbs water and nutrients from the soil?
  Answer: The roots.
• 18. What is the largest organ inside the human body?
  Answer: The liver.
• 19. What is the process by which plants release water vapor through their leaves?
  Answer: Transpiration.
• 20. True or False: All birds can fly.
  Answer: False.

Common Biology Trivia Questions and Answers

1. What is the powerhouse of the cell?
   • Answer: Mitochondria
2. Which molecule stores genetic information in cells?
   • Answer: DNA (Deoxyribonucleic acid)
3. What is the process by which plants make their own food using sunlight?
   • Answer: Photosynthesis
4. In the human body, what type of blood cells are responsible for oxygen transport?
   • Answer: Red blood cells
5. What is the chemical symbol for water?
   • Answer: H2O
6. Which gas do plants absorb during photosynthesis?
   • Answer: Carbon dioxide
7. What is the largest organ in the human body?
   • Answer: Skin
8. What is the function of the ribosomes in a cell?
   • Answer: Protein synthesis
9. In the scientific classification system, what comes after Kingdom?
   • Answer: Phylum
10. What is the role of chlorophyll in plants?
    • Answer: Captures light energy for photosynthesis
11. Which organelle is responsible for detoxifying harmful substances in the liver cells?
    • Answer: Smooth endoplasmic reticulum
12. What is the structure that separates the human heart into four chambers?
    • Answer: Septum
13. What is the scientific name for the human thumb?
    • Answer: Pollex
14. Which gas is produced during cellular respiration?
    • Answer: Carbon dioxide
15. What is the function of the Golgi apparatus in a cell?
    • Answer: Modifies, sorts, and packages proteins
16. In genetics, what does DNA stand for?
    • Answer: Deoxyribonucleic acid
17. Which blood vessels carry blood away from the heart?
    • Answer: Arteries
18. What is the smallest unit of life?
    • Answer: Cell
19. What is the process by which mRNA is used to build a protein?
    • Answer: Translation
20. In the human body, where would you find the gluteus maximus muscle?
    • Answer: Buttocks
21. What is the function of the endoplasmic reticulum in a cell?
    • Answer: Synthesis of lipids and proteins
22. Which gas is responsible for the feeling of “being winded” during strenuous exercise?
    • Answer: Carbon dioxide
23. What is the structure that connects muscles to bones?
    • Answer: Tendon
24. What is the medical term for the study of fungi?
    • Answer: Mycology
25. Which part of the brain is responsible for regulating basic life functions like breathing and heartbeat?
    • Answer: Medulla oblongata
26. What is the process by which cells break down glucose to produce energy?
    • Answer: Cellular respiration
27. Which organelle is known as the “powerhouse” of the cell?
    • Answer: Mitochondria
28. What is the name of the process by which a cell engulfs large particles?
    • Answer: Phagocytosis
29. In the human body, what is the function of the spleen?
    • Answer: Filters and stores blood, removes damaged blood cells
30. What is the medical term for the study of the heart?
    • Answer: Cardiology
31. Which element is the primary component of organic molecules? Answer: Carbon
32. What is the function of the nephron in the kidney? Answer: Filters blood and forms urine
33. In the human body, where would you find the tibia bone?
    • Answer: Lower leg (shin)
34. What is the scientific name for the study of butterflies and moths?
    • Answer: Lepidopterology
35. Which blood type is considered the universal donor?
    • Answer: O negative
36. What is the medical term for the study of the nervous system?
    • Answer: Neurology
37. Which part of the eye is responsible for refracting light?
    • Answer: Cornea
38. What is the process by which a cell divides into two identical daughter cells?
    • Answer: Mitosis
39. In the human body, what is the function of the thyroid gland?
    • Answer: Regulates metabolism
40. Which hormone is known as the “stress hormone”?
    • Answer: Cortisol
41. What is the medical term for the study of reptiles and amphibians?
    • Answer: Herpetology
42. Which blood vessels carry blood back to the heart?
    • Answer: Veins
43. What is the medical term for the loss of sensation or feeling?
    • Answer: Anesthesia
44. What is the process by which a cell engulfs small particles or liquids?
    • Answer: Pinocytosis
45. In the human body, what is the function of the gallbladder?
    • Answer: Stores and releases bile to aid in digestion
46. What is the scientific name for the windpipe?
    • Answer: Trachea
47. What is the function of the tympanic membrane in the ear?
    • Answer: Vibrates in response to sound waves
48. In genetics, what is the term for the physical appearance of an organism?
    • Answer: Phenotype
49. What is the medical term for the surgical removal of the appendix?
    • Answer: Appendectomy
50. Which hormone is responsible for regulating salt and water balance in the body?
    • Answer: Aldosterone
51. What is the process by which a cell takes in substances by surrounding and engulfing them?
    • Answer: Endocytosis
52. In the human body, what is the function of the bronchi?
    • Answer: Conduct air into the lungs
53. What is the medical term for the loss of the sense of taste?
    • Answer: Ageusia
54. What is the process by which nitrogen is converted into a form that plants can use?
    • Answer: Nitrogen fixation
55. In the human body, what is the function of the thymus gland?
    • Answer: Maturation of T cells (a type of white blood cell)
56. What is the scientific name for the study of algae?
    • Answer: Phycology
57. What is the function of the tricuspid valve in the heart?
    • Answer: Prevents backflow of blood from the right ventricle to the right atrium
58. In the human body, what is the function of the cerebellum?
    • Answer: Coordination of voluntary movements and balance
59. What is the medical term for the surgical removal of the uterus and ovaries?
    • Answer: Hysterectomy with oophorectomy
60. Which gas is produced during fermentation in the absence of oxygen?
    • Answer: Carbon dioxide
61. What is the scientific name for the study of birds?
    • Answer: Ornithology
62. In genetics, what is the term for the variant forms of a gene?
    • Answer: Alleles
63. What is the function of the vas deferens in the male reproductive system?
    • Answer: Transport sperm from the testes to the urethra
64. In the human body, what is the function of the hippocampus?
    • Answer: Memory formation
65. What is the process by which cells engulf and break down foreign particles or bacteria?
    • Answer: Phagocytosis
66. In the human body, what is the function of the esophagus?
    • Answer: Transport food from the mouth to the stomach
67. What is the medical term for the study of the immune system?
    • Answer: Immunology
68. What is the scientific name for the study of fish?
    • Answer: Ichthyology
69. In the human body, what is the function of the pituitary gland?
    • Answer: Secretion of hormones that regulate various body functions
70. What is the process by which plants bend toward light?
    • Answer: Phototropism
71. What is the function of the vestibular system in the ear?
    • Answer: Maintains balance and spatial orientation
72. In genetics, what is the term for the specific location of a gene on a chromosome?
    • Answer: Locus
73. What is the process by which RNA is synthesized from DNA?
    • Answer: Transcription
74. In the human body, what is the function of the diaphragm?
    • Answer: Separates the thoracic and abdominal cavities, aids in breathing
75. What is the scientific name for the study of viruses?
    • Answer: Virology
76. In genetics, what is the term for the combination of alleles an organism has for a particular trait?
    • Answer: Genotype
77. What is the process by which a cell divides to produce gametes (sperm and egg cells)?
    • Answer: Meiosis
78. In the human body, what is the function of the corpus callosum?
    • Answer: Connects the two hemispheres of the brain, facilitates communication
79. What is the scientific name for the study of fossils?
    • Answer: Paleontology
80. In the human body, what is the function of the cochlea?
    • Answer: Converts sound waves into electrical signals for the brain
81. What is the process by which cells differentiate into specialized cell types during development?
    • Answer: Cell differentiation
82. In genetics, what is the term for an alternative form of a gene?
    • Answer: Allele
83. What is the function of the prostate gland in the male reproductive system?
    • Answer: Produces fluid that nourishes and protects sperm
84. In the human body, what is the function of the atrioventricular (AV) node in the heart?
    • Answer: Regulates the heartbeat
85. What is the process by which nitrogen compounds are converted back into atmospheric nitrogen?
    • Answer: Denitrification
86. In genetics, what is the term for a trait that is influenced by multiple genes? Answer: Polygenic trait
87. What is the function of the alveoli in the lungs?
    • Answer: Facilitate gas exchange (oxygen and carbon dioxide)
88. In the human body, what is the function of the adrenal glands?
    • Answer: Produce hormones involved in the stress response
89. What is the process by which water is absorbed by plant roots and released as water vapor from leaves?
    • Answer: Transpiration
90. In genetics, what is the term for the observable characteristics of an organism?
    • Answer: Phenotype
91. What is the function of the vestibule in the inner ear?
    • Answer: Maintains balance and spatial orientation
92. In the human body, what is the function of the vas deferens?
    • Answer: Transport sperm from the testes to the urethra
93. What is the process by which a cell engulfs liquids or small particles?
    • Answer: Pinocytosis
94. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
    • Answer: Dominant trait
95. What is the function of the lysosomes in a cell?
    • Answer: Breakdown of cellular waste and debris
96. In the human body, what is the function of the pituitary gland?
    • Answer: Secretion of hormones that regulate various body functions
97. What is the process by which a cell divides to form gametes (sperm and egg cells)?
    • Answer: Meiosis
98. In genetics, what is the term for the observable characteristics of an organism?
    • Answer: Phenotype
99. What is the function of the vestibule in the inner ear?
    • Answer: Maintains balance and spatial orientation
100. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
101. What is the medical term for the study of viruses?
     • Answer: Virology
102. In genetics, what is the term for an alternative form of a gene?
     • Answer: Allele
103. What is the function of the prostate gland in the male reproductive system?
     • Answer: Produces fluid that nourishes and protects sperm
104. In the human body, what is the function of the atrioventricular (AV) node in the heart?
     • Answer: Regulates the heartbeat
105. What is the process by which nitrogen compounds are converted back into atmospheric nitrogen?
     • Answer: Denitrification
106. In genetics, what is the term for a trait that is influenced by multiple genes?
     • Answer: Polygenic trait
107. What is the function of the alveoli in the lungs?
     • Answer: Facilitate gas exchange (oxygen and carbon dioxide)
108. In the human body, what is the function of the adrenal glands?
     • Answer: Produce hormones involved in the stress response
109. What is the process by which water is absorbed by plant roots and released as water vapor from leaves?
     • Answer: Transpiration
110. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
111. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
112. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
113. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
114. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
     • Answer: Dominant trait
115. What is the function of the lysosomes in a cell?
     • Answer: Breakdown of cellular waste and debris
116. In the human body, what is the function of the pituitary gland?
     • Answer: Secretion of hormones that regulate various body functions
117. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
118. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
119. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
120. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
121. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
122. What is the function of the lysosomes in a cell?
     • Answer: Breakdown of cellular waste and debris
123. In the human body, what is the function of the pituitary gland?
     • Answer: Secretion of hormones that regulate various body functions
124. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
125. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
126. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
127. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
128. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
129. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
     • Answer: Dominant trait
130. What is the function of the lysosomes in a cell?
     • Answer: Breakdown of cellular waste and debris
131. In the human body, what is the function of the pituitary gland?
     • Answer: Secretion of hormones that regulate various body functions
132. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
133. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
134. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
135. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
136. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
137. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
     • Answer: Dominant trait
138. What is the function of the lysosomes in a cell?
     • Answer: Breakdown of cellular waste and debris
139. In the human body, what is the function of the pituitary gland?
     • Answer: Secretion of hormones that regulate various body functions
140. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
141. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
142. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
143. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
144. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
145. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
     • Answer: Dominant trait
146. What is the function of the lysosomes in a cell?
     • Answer: Breakdown of cellular waste and debris
147. In the human body, what is the function of the pituitary gland?
     • Answer: Secretion of hormones that regulate various body functions
148. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
149. In genetics, what is the term for the observable characteristics of an organism? Answer: Phenotype
150. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
151. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
152. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
153. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
     • Answer: Dominant trait
154. What is the function of the lysosomes in a cell?
     • Answer: Breakdown of cellular waste and debris
155. In the human body, what is the function of the pituitary gland?
     • Answer: Secretion of hormones that regulate various body functions
156. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
157. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
158. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
159. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
160. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
161. In genetics, what is the term for a trait that is expressed when an individual has only one copy of the allele?
     • Answer: Dominant trait
162. What is the function of the lysosomes in a cell? Answer: Breakdown of cellular waste and debris
163. In the human body, what is the function of the pituitary gland? Answer: Secretion of hormones that regulate various body functions
164. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
165. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
166. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
167. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
168. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
169. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
170. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
171. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
172. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
173. What is the function of the vestibule in the inner ear?
     • Answer: Maintains balance and spatial orientation
174. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
175. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis
176. What is the process by which a cell divides to form gametes (sperm and egg cells)?
     • Answer: Meiosis
177. In genetics, what is the term for the observable characteristics of an organism?
     • Answer: Phenotype
178. What is the function of the vestibule in the inner ear? Answer: Maintains balance and spatial orientation
179. In the human body, what is the function of the vas deferens?
     • Answer: Transport sperm from the testes to the urethra
180. What is the process by which a cell engulfs liquids or small particles?
     • Answer: Pinocytosis

FAQs On Biology Trivia Questions

Conclusion

We hope you enjoyed our collection of the 250 Best Biology Trivia Questions and Answers. Whether you were able to answer them all correctly or learned something new along the way, exploring the world of biology can be both fun and educational. Remember, biology is a vast and ever-evolving field, so there’s always more to discover. Keep exploring, keep learning, and keep challenging yourself. Happy trivia!

References

• radiotimes.com – 20 biology quiz questions and answers for your home pub quiz
• trivianerd.com – 180+ Best Biology Trivia Questions & Answers

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