100 Biology One-Liner Quiz Facts

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100 Biology One-Liner Quiz Facts

1. The basic unit of life – Cell


2. The powerhouse of the cell – Mitochondria


3. Study of fungi – Mycology


4. Green pigment in plants – Chlorophyll


5. Human blood pH – 7.4


6. Largest organ in the human body – Skin


7. Smallest bone in the human body – Stapes


8. Process of protein synthesis from RNA – Translation


9. Sugar found in milk – Lactose


10. Blood cells that fight infections – White Blood Cells


11. Red pigment in blood – Haemoglobin


12. Study of heredity – Genetics


13. Universal donor blood group – O negative


14. Universal recipient blood group – AB positive


15. Functional unit of kidney – Nephron


16. Number of chromosomes in humans – 46


17. Organ that purifies blood – Kidney


18. Tissue that connects muscles to bones – Tendon


19. Tissue that connects bones to bones – Ligament


20. Organ that stores bile – Gall bladder


21. Largest gland in the human body – Liver


22. Instrument to measure blood pressure – Sphygmomanometer


23. First living organism to go into space – Dog Laika


24. Largest cell in the human body – Ovum


25. Smallest cell in the human body – Sperm cell


26. Enzyme in saliva – Amylase


27. Study of birds – Ornithology


28. Study of insects – Entomology


29. Fingerprint study – Dactylography


30. Vitamin produced in skin by sunlight – Vitamin D


31. Deficiency of Vitamin C – Scurvy


32. Deficiency of Vitamin D – Rickets


33. Deficiency of Iron – Anaemia


34. Longest bone in human body – Femur


35. Organ that regulates body temperature – Hypothalamus


36. Largest artery in human body – Aorta


37. Blood is filtered in the kidney by – Glomerulus


38. Part of brain controlling balance – Cerebellum


39. Hardest substance in human body – Tooth enamel


40. First cloned mammal – Dolly the sheep


41. Color of chlorophyll – Green


42. Organelle responsible for photosynthesis – Chloroplast


43. Process of converting light energy to chemical energy – Photosynthesis


44. Excretory product in humans – Urea


45. Fish breathe through – Gills


46. Spider’s blood is – Blue


47. Heartbeat sound is due to closing of – Heart valves


48. Carrier of malaria parasite – Anopheles mosquito


49. Bacteria that fix nitrogen – Rhizobium


50. Water loss from plants – Transpiration


51. Animal with three-chambered heart – Frog


52. Largest vertebrate – Blue whale


53. Protein found in hair and nails – Keratin


54. Main organ of respiration in humans – Lungs


55. Normal human body temperature – 37°C


56. Blood group discovery – Karl Landsteiner


57. Brain covering membranes – Meninges


58. Main constituent of cell wall in plants – Cellulose


59. Number of ribs in human body – 24 (12 pairs)


60. Study of algae – Phycology


61. Part of eye controlling light entry – Iris


62. Fluid inside joint cavities – Synovial fluid


63. Largest muscle in human body – Gluteus maximus


64. Plant hormone for growth – Auxin


65. Plant hormone for ripening of fruits – Ethylene


66. Study of ancient life – Palaeontology


67. Part of brain controlling heartbeat & breathing – Medulla oblongata


68. Smallest bird – Bee hummingbird


69. Red blood cell life span – 120 days


70. Hormone regulating blood sugar – Insulin


71. Hormone secreted in fear – Adrenaline


72. Male sex hormone – Testosterone


73. Female sex hormone – Oestrogen


74. Chemical name of Vitamin C – Ascorbic acid


75. Chemical name of Vitamin B1 – Thiamine


76. Disease caused by Plasmodium – Malaria


77. Organism with only one cell – Unicellular organism


78. Blood without clotting factor – Serum


79. Largest land animal – African elephant


80. Largest reptile – Saltwater crocodile


81. The process by which plants make seeds – Pollination


82. The male reproductive part of flower – Stamen


83. The female reproductive part of flower – Carpel


84. Smallest functional unit of nervous system – Neuron


85. Transparent layer in front of eye – Cornea


86. Number of teeth in adult humans – 32


87. Organ that produces insulin – Pancreas


88. Study of cells – Cytology


89. Study of viruses – Virology


90. The fluid part of blood – Plasma


91. Animals that give birth to young ones – Viviparous


92. Animals that lay eggs – Oviparous


93. Number of chambers in human heart – 4


94. Part of brain for memory – Cerebrum


95. Genetic material in humans – DNA


96. Genetic material in some viruses – RNA


97. Shape of DNA – Double helix


98. First vaccine developed – Smallpox


99. Founder of modern genetics – Gregor Mendel


100. Study of environment & organisms – Ecology




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