100 One-Word Answer Biology Questions

Introduction

Biology is a fascinating subject that deals with the study of living organisms and their interactions with the environment. For students preparing for competitive exams, having a strong foundation in biology is essential. To help you in your preparation, we have compiled a list of 100 one-word answer biology questions that are commonly asked in competitive exams.

1. What is the study of living organisms called?

Biology

2. What is the basic unit of life?

Cell

3. What is the process by which plants make their own food?

Photosynthesis

4. What is the powerhouse of the cell?

Mitochondria

5. What is the process by which organisms produce offspring?

Reproduction

6. What is the chemical substance that carries genetic information?

DNA

7. What is the process by which organisms obtain energy from food?

Respiration

8. What is the green pigment found in plants?

Chlorophyll

9. What is the process by which plants release water vapor through their leaves?

Transpiration

10. What is the largest organ in the human body?

Skin

11. What is the study of heredity called?

Genetics

12. What is the process by which cells divide and multiply?

Mitosis

13. What is the process by which cells differentiate into specialized cells?

Cell differentiation

14. What is the smallest unit of an element?

Atom

15. What is the process by which plants bend towards light?

Phototropism

16. What is the process by which animals shed their outer covering?

Molting

17. What is the process by which plants lose water through their leaves?

Transpiration

18. What is the study of the classification of organisms called?

Taxonomy

19. What is the process by which plants take in carbon dioxide and release oxygen?

Photosynthesis

20. What is the process by which animals take in oxygen and release carbon dioxide?

Respiration

21. What is the study of the structure and function of cells called?

Cytology

22. What is the process by which organisms change over time?

Evolution

23. What is the study of the interaction between organisms and their environment called?

Ecology

24. What is the process by which organisms respond to stimuli?

Response

25. What is the process by which organisms maintain a stable internal environment?

Homeostasis

26. What is the study of the development of an organism from fertilization to birth?

Embryology

27. What is the process by which plants bend towards gravity?

Gravitropism

28. What is the process by which animals obtain and digest food?

Feeding

29. What is the study of the structure and function of tissues called?

Histology

30. What is the process by which organisms excrete waste?

Excretion

31. What is the process by which organisms take in and use nutrients?

Nutrition

32. What is the study of the nervous system called?

Neurology

33. What is the process by which organisms produce gametes?

Gametogenesis

34. What is the process by which organisms maintain a stable body temperature?

Thermoregulation

35. What is the study of the immune system called?

Immunology

36. What is the process by which organisms grow and develop?

Growth

37. What is the study of the structure and function of organs called?

Organology

38. What is the process by which plants bend towards touch?

Thigmotropism

39. What is the process by which organisms produce heat?

Thermogenesis

40. What is the study of the circulatory system called?

Cardiology

41. What is the process by which organisms produce antibodies?

Antibody production

42. What is the process by which organisms break down food and release energy?

Metabolism

43. What is the study of the endocrine system called?

Endocrinology

44. What is the process by which organisms respond to light?

Phototropism

45. What is the process by which organisms respond to chemicals?

Chemotropism

46. What is the study of the reproductive system called?

Reproductive biology

47. What is the process by which organisms produce new cells?

Cell division

48. What is the process by which organisms produce new individuals?

Reproduction

49. What is the study of the skeletal system called?

Osteology

50. What is the process by which organisms respond to touch?

Thigmotropism

51. What is the process by which organisms respond to temperature?

Thermotropism

52. What is the study of the muscular system called?

Myology

53. What is the process by which organisms respond to sound?

Sonotropism

54. What is the process by which organisms respond to gravity?

Gravitropism

55. What is the study of the respiratory system called?

Pulmonology

56. What is the process by which organisms respond to chemicals in the environment?

Chemotropism

57. What is the process by which organisms respond to water?

Hydrotropism

58. What is the study of the digestive system called?

Gastroenterology

59. What is the process by which organisms respond to magnetic fields?

Magnetotropism

60. What is the process by which organisms respond to electricity?

Electrotropism

61. What is the study of the excretory system called?

Urology

62. What is the process by which organisms respond to pressure?

Barotropism

63. What is the process by which organisms respond to humidity?

Hygrotopism

64. What is the study of the circulatory system in plants called?

Phloemology

65. What is the process by which organisms respond to light and temperature?

Photothermotropism

66. What is the process by which organisms respond to gravity and light?

Gravitropism

67. What is the study of the reproductive system in plants called?

Phytoreproduction

68. What is the process by which organisms respond to touch and light?

Thigmotropism

69. What is the process by which organisms respond to chemicals and light?

Chemotropism

70. What is the study of the skeletal system in plants called?

Plant osteology

71. What is the process by which organisms respond to temperature and light?

Thermotropism

72. What is the process by which organisms respond to sound and light?

Sonotropism

73. What is the study of the muscular system in plants called?

Plant myology

74. What is the process by which organisms respond to gravity and chemicals?

Gravitropism

75. What is the process by which organisms respond to water and light?

Hydrotropism

76. What is the study of the respiratory system in plants called?

Plant pulmonology

77. What is the process by which organisms respond to chemicals and temperature?

Chemotropism

78. What is the process by which organisms respond to magnetic fields and light?

Magnetotropism

79. What is the study of the digestive system in plants called?

Plant gastroenterology

80. What is the process by which organisms respond to electricity and light?

Electrotropism

81. What is the study of the excretory system in plants called?

Plant urology

82. What is the process by which organisms respond to pressure and light?

Barotropism

83. What is the process by which organisms respond to humidity and light?

Hygrotopism

84. What is the study of the circulatory system in animals called?

Animal cardiology

85. What is the process by which organisms respond to light, temperature, and gravity?

Photothermotropism

86. What is the process by which organisms respond to touch, light, and chemicals?

Thigmotropism

87. What is the process by which organisms respond to chemicals, light, and temperature?

Chemotropism

88. What is the study of the skeletal system in animals called?

Animal osteology

89. What is the process by which organisms respond to temperature, light, and gravity?

Thermotropism

90. What is the process by which organisms respond to sound, light, and chemicals?

Sonotropism

91. What is the study of the muscular system in animals called?

Animal myology

92. What is the process by which organisms respond to gravity, light, and chemicals?

Gravitropism

93. What is the process by which organisms respond to water, light, and temperature?

Hydrotropism

94. What is the study of the respiratory system in animals called?

Animal pulmonology

95. What is the process by which organisms respond to chemicals, temperature, and light?

Chemotropism

96. What is the process by which organisms respond to magnetic fields, light, and gravity?

Magnetotropism

97. What is the study of the digestive system in animals called?

Animal gastroenterology

98. What is the process by which organisms respond to electricity, light, and temperature?

Electrotropism

99. What is the study of the excretory system in animals called?

Animal urology

100. What is the process by which organisms respond to pressure, light, and gravity?

Barotropism

Conclusion

These 100 one-word answer biology questions cover a wide range of topics and will help you test your knowledge and prepare for competitive exams. Make sure to study each question carefully and revise the concepts behind them. Good luck with your exam preparation!