51. Dactylology is the study of ____:
Correct Answer: B. Sign language
Explanation: Dactylology refers to the study and use of sign language, primarily using hand gestures to communicate.
52. Demography deals with ____:
Correct Answer: C. Human population
Explanation: Demography studies human populations — their size, growth, density, distribution, and vital statistics.
53. Dendrochronology is the study of ____:
Correct Answer: C. Tree rings
Explanation: Dendrochronology involves studying tree rings to determine the age of trees and past climatic conditions.
54. Dendrology is the study of ____:
Correct Answer: B. Trees
Explanation: Dendrology focuses on the scientific study of trees, shrubs, and woody plants.
55. Dermatology is the study of ____:
Correct Answer: C. Skin
Explanation: Dermatology is the branch of medicine dealing with the skin and its diseases.
56. Ecology is the study of ____:
Correct Answer: C. Environment
Explanation: Ecology studies the relationships between living organisms and their environment.
57. Economics deals with ____:
Correct Answer: B. Material wealth
Explanation: Economics studies how societies produce, distribute, and consume goods and wealth.
58. What does Electrostatics study?
Correct Answer: C. Static electricity
Explanation: Electrostatics studies electric charges at rest and the forces between them.
59. Embryology is the study of ____:
Correct Answer: B. Embryos
Explanation: Embryology studies embryos and their development from fertilization to birth.
60. Endemiology is the study of ____:
Correct Answer: B. Local disease
Explanation: Endemiology focuses on the study of diseases that are consistently present in a particular region or population.
61. Endocrinology is the study of ____:
Correct Answer: C. Glands
Explanation: Endocrinology is the study of glands and the hormones they produce that regulate bodily functions.
62. Entomology is the study of ____:
Correct Answer: C. Insects
Explanation: Entomology is the branch of zoology concerned with the scientific study of insects.
63. Epidemiology is the study of ____:
Correct Answer: A. Epidemic diseases
Explanation: Epidemiology studies the spread, causes, and control of diseases in populations.
64. Among various sciences, the science of Ergonomics deals with ____:
Correct Answer: C. Relationships between people and their working environment
Explanation: Ergonomics studies how people interact with their working environments to improve safety and productivity.
65. Ethnology is the study of ____:
Correct Answer: A. Culture
Explanation: Ethnology compares and analyzes different cultures and the relationships between them.
66. Ethology focuses on ____:
Correct Answer: B. Animal behavior
Explanation: Ethology studies animal behavior, particularly under natural conditions.
67. Etymology is the study of ____:
Correct Answer: B. Word origin
Explanation: Etymology studies the origin and historical development of words.
68. Eugenics is concerned with ____:
Correct Answer: C. Altering humans by changing their genes
Explanation: Eugenics involves the study or practice of improving the genetic quality of human populations.
69. Euthenics is the study of ____:
Correct Answer: C. Improving living conditions
Explanation: Euthenics studies how better living conditions can improve human well-being and efficiency.
70. Exobiology deals with ____:
Correct Answer: A. Life in outer space
Explanation: Exobiology, or astrobiology, studies the possibility and conditions for life beyond Earth.
71. Fluviology is the study of ____:
Correct Answer: C. Rivers and streams
Explanation: Fluviology is the scientific study of rivers and streams, including their dynamics and ecology.
72. Genealogy focuses on ____:
Correct Answer: B. Family history and lineage
Explanation: Genealogy is the study of family history and tracing ancestry or lineage.
73. Among various sciences, the science of Geology deals with ____:
Correct Answer: B. Earth
Explanation: Geology is the study of the Earth, its structure, composition, and the processes that shape it.
74. Gerontology is the study of ____:
Correct Answer: B. Aging in elderly
Explanation: Gerontology is the study of aging and the problems faced by elderly individuals.
75. Graphology is the study of ____:
Correct Answer: C. Handwriting
Explanation: Graphology is the analysis of handwriting to study character traits or personality.
76. Among various sciences, the science of Gynecology deals with ____:
Correct Answer: B. Reproductive organs
Explanation: Gynecology is the medical practice dealing with the health of the female reproductive system.
77. Harmonics deals with ____:
Correct Answer: C. Sound waves
Explanation: Harmonics is the study of sound waves and their properties, including frequency and vibration.
78. Hedonics is the study of ____:
Correct Answer: C. Pleasure
Explanation: Hedonics studies the experience of pleasure and the pursuit of happiness in human life.
79. Among various sciences, the science of Hematology deals with ____:
Correct Answer: A. Blood
Explanation: Hematology is the branch of medicine focused on the study of blood and its disorders.
80. Histology is the study of ____:
Correct Answer: C. Microscopic tissues
Explanation: Histology is the study of microscopic tissues and their structures.
81. What is Historiography?
Correct Answer: C. Writing history
Explanation: Historiography is the study of how history is written, including its methods and interpretations.
82. What is Horology?
Correct Answer: A. Science of Measuring time
Explanation: Horology is the science that deals with the measurement of time, including clocks and watches.
83. Horticulture is the science of _____ :
Correct Answer: B. Gardening
Explanation: Horticulture deals with the cultivation and management of gardens and plants.
84. Hydrobiology is the study of _________ :
Correct Answer: A. Aquatic organisms
Explanation: Hydrobiology is the study of organisms living in aquatic environments.
85. Hydrodynamics is the study of ____ :
Correct Answer: C. Movements in liquid
Explanation: Hydrodynamics studies the motion of liquids and fluids in motion.
86. Hydrology is the study of ____ :
Correct Answer: B. Water resources
Explanation: Hydrology is the study of the distribution and movement of water resources.
87. Hydroponics is the cultivation of ____ :
Correct Answer: C. Plants without use of soil
Explanation: Hydroponics is the method of growing plants without soil using nutrient solutions.
88. Hyetology is the study of _____:
Correct Answer: C. Rainfall
Explanation: Hyetology is the study of rainfall and precipitation.
89. Hygienics is the study of _____
Correct Answer: B. Sanitation and health
Explanation: Hygienics deals with sanitation, cleanliness, and health practices.
90. What is Hygrology?
Correct Answer: B. Science of Humidity
Explanation: Hygrology is the study of humidity and moisture in the atmosphere.
91. Ichthyology is the study of ______ :
Correct Answer: A. Fish
Explanation: Ichthyology is the branch of zoology that studies fish.
92. Iconography is the study of ____:
Correct Answer: B. Ancient symbols
Explanation: Iconography is the study and interpretation of symbols and images.
93. Immunology deals with ____ :
Correct Answer: C. Immune system
Explanation: Immunology is the study of the immune system and its functions.
94. What does Kalology study?
Correct Answer: A. Beauty
Explanation: Kalology is the study of beauty and aesthetics.
95. What does Kinematics focus on?
Correct Answer: C. Motion
Explanation: Kinematics studies motion without considering the forces causing it.
96. Lexicography is the art of ____ :
Correct Answer: C. Compiling dictionaries
Explanation: Lexicography is the art and science of compiling dictionaries.
97. Linguistics is the scientific study of _____ :
Correct Answer: A. Language
Explanation: Linguistics is the scientific study of language.
98. Lithology is the study of ___:
Correct Answer: B. Rocks
Explanation: Lithology is the study of rocks and their characteristics.
99. Metallurgy is the science of ____ :
Correct Answer: D. Treating metals
Explanation: Metallurgy deals with the extraction and treatment of metals.
100. Metaphysics is the study of _____:
Correct Answer: A. The physical world
Explanation: Metaphysics studies the nature of reality beyond the physical world.
A solid understanding of different branches of science can give aspirants a real edge in competitive exams, making Various Sciences MCQs a key area of focus. These questions are regularly asked in the General Science section of various exams conducted by FPSC, SPSC, PPSC, BPSC, KPPSC, STS, NTS, PTS, and others, aiming to assess a candidate’s grasp of core concepts from Physics, Chemistry, Biology, and Environmental Science. Each question is designed to test basic scientific knowledge as well as the ability to apply it in practical scenarios. Scoring well in this section can significantly improve the overall result, helping aspirants move closer to securing their desired government job.
Moreover, awareness of various scientific principles is highly valued in many fields, showing that a candidate is well-informed and prepared for roles that require logical thinking and general awareness. These MCQs also help in building a scientific mindset that proves useful throughout the job preparation journey.
To support aspirants in mastering this topic, YourExamCoach‘s team has carefully prepared a list of Various Sciences MCQs, making it easier to revise and practice the concepts that matter most in exams.