101. Meteorology is the study of ____ :
Correct Answer: C. Weather
Explanation: Meteorology is the science that studies the atmosphere and weather processes.
102. Metrology is the science of ____:
Correct Answer: C. Measurement standards
Explanation: Metrology is the science of measurement and measurement standards.
103. Microanatomy focuses on ___ :
Correct Answer: B. Microscopic tissues
Explanation: Microanatomy studies tissues and structures at the microscopic level.
104. Microbiology is the scientific study of _____
Correct Answer: A. Microscopic organisms
Explanation: Microbiology is the study of microorganisms such as bacteria and viruses.
105. What is Microscopy used for?
Correct Answer: C. Viewing minute objects
Explanation: Microscopy is used to observe objects too small to be seen with the naked eye.
106. Mineralogy is the science of ___ :
Correct Answer: A. Minerals
Explanation: Mineralogy is the study of minerals and their properties.
107. Morphology is the study of ____:
Correct Answer: B. Forms and features, internal structure of words
Explanation: Morphology studies the structure and formation of words in a language.
108. Mycology studies ____ :
Correct Answer: A. Fungi and fungi diseases
Explanation: Mycology is the branch of biology that studies fungi.
109. Mythology is the study of ____:
Correct Answer: A. Myths, fables, and tales
Explanation: Mythology is the study of myths and traditional stories.
110. Nephrology deals with ____ :
Correct Answer: A. Kidney
Explanation: Nephrology is the branch of medicine that deals with kidney diseases.
111. Neurobiology is the study of ____ :
Correct Answer: B. Nervous system anatomy
Explanation: Neurobiology is the scientific study of the nervous system, including its structure, function, development, and disorders.
112. Neurology deals with ____ :
Correct Answer: B. Nervous system
Explanation: Neurology is the branch of medicine that focuses on the diagnosis and treatment of disorders of the nervous system.
113. Nidology is the study of ____ :
Correct Answer: C. Nests
Explanation: Nidology is the study of nests and nesting behavior in birds and some other animals.
114. Noology is the study of ____ :
Correct Answer: C. Intellect
Explanation: Noology is the study of the mind, intellect, and the processes of cognition.
115. Numerology is the study of ____ :
Correct Answer: B. Numbers
Explanation: Numerology is the study of numbers and their symbolic or mystical significance.
116. Numismatics deals with ____ :
Correct Answer: A. Coins
Explanation: Numismatics is the study or collection of coins, currency, and related objects.
117. Obstetrics is the scientific study of ____ :
Correct Answer: C. Pregnancy and childbirth
Explanation: Obstetrics is the branch of medicine concerned with pregnancy, childbirth, and the postpartum period.
118. Oceanography deals with ____ :
Correct Answer: B. Oceans
Explanation: Oceanography is the study of the physical, chemical, and biological aspects of oceans and seas.
119. Odontology is the study of ____ :
Correct Answer: B. Teeth decay
Explanation: Odontology is the study of the structure, development, and diseases of teeth.
120. Olericulture is the study of ____ :
Correct Answer: B. Vegetables
Explanation: Olericulture is the branch of horticulture that focuses on the cultivation and management of vegetables.
121. Olfactology is the scientific study of ____ :
Correct Answer: D. Sense of smell
Explanation: Olfactology is the scientific study of the sense of smell.
122. Oncology focuses on ___ :
Correct Answer: B. Cancer
Explanation: Oncology is the branch of medicine that studies, diagnoses, and treats cancer.
123. Oneirology is the study of ____ :
Correct Answer: A. Dreams
Explanation: Oneirology is the scientific study of dreams and dreaming.
124. Onomastician studies _____ :
Correct Answer: C. Names
Explanation: Onomastics is the study of names, their origins, and their meanings.
125. Oology focuses on ____ :
Correct Answer: B. Eggs
Explanation: Oology is the study of eggs, particularly bird eggs, their structure, and development.
126. Ophiology is the study of ____ :
Correct Answer: C. Snakes
Explanation: Ophiology is the branch of zoology that studies snakes.
127. Among various sciences, Ophthalmology is the scientific study of ___ :
Correct Answer: B. Eye diseases
Explanation: Ophthalmology is the branch of medicine that deals with the anatomy, physiology, and diseases of the eye.
128. What does Optics study?
Correct Answer: A. Light
Explanation: Optics is the branch of physics that studies light, its properties, and behavior.
129. Ornithology is the study of ___ :
Correct Answer: A. Birds
Explanation: Ornithology is the scientific study of birds, including their behavior, physiology, and ecology.
130. What does Orology study?
Correct Answer: A. Mountains
Explanation: Orology is the scientific study of mountains and mountain formation.
131. Ortheopy is the scientific study of ____ :
Correct Answer: A. Word pronunciation
Explanation: Ortheopy is the study and correct pronunciation of words in a language.
132. Orthography deals with ___ :
Correct Answer: A. Spellings
Explanation: Orthography is the study of correct spelling and writing systems of a language.
133. Osmology studies _______ :
Correct Answer: B. Smells
Explanation: Osmology is the scientific study of odors or the sense of smell.
134. Among various sciences, Osteology is the study of _____ :
Correct Answer: C. Bones
Explanation: Osteology is the scientific study of bones and their structure.
135. Otologist studies _____ :
Correct Answer: C. Ear and its diseases
Explanation: An otologist is a medical specialist who studies and treats diseases of the ear.
136. Otology focuses on ___ :
Correct Answer: A. Ear
Explanation: Otology is the branch of medicine that deals with the anatomy and diseases of the ear.
137. Paedology is the science of _____ :
Correct Answer: B. Children
Explanation: Paedology is the scientific study of children and their development.
138. Paleobotany deals with _____ :
Correct Answer: D. Ancient plants
Explanation: Paleobotany is the study of fossilized plants and ancient vegetation.
139. Paleontology specifically focuses on ____ :
Correct Answer: B. Fossils
Explanation: Paleontology is the branch of science concerned with the study of fossils and prehistoric life forms.
140. Pathology deals with ____ :
Correct Answer: A. Diseases
Explanation: Pathology is the study of diseases — their causes, processes, and effects on the body.
141. Pediatrics focuses on ___ :
Correct Answer: D. Medical care of children
Explanation: Pediatrics is the branch of medicine that deals with the health and medical care of infants, children, and adolescents.
142. Pedology is the study of ___ :
Correct Answer: B. Soil
Explanation: Pedology is the scientific study of soils, including their formation, classification, and mapping.
143. Penology is the study of _____ :
Correct Answer: C. Prison management and criminal rehabilitation
Explanation: Penology is the study of prison systems, punishment methods, and rehabilitation of offenders.
144. Among various sciences, Periodontics is the study of _____ :
Correct Answer: B. Gums
Explanation: Periodontics is a dental specialty that focuses on the structures surrounding and supporting the teeth, mainly the gums.
145. Petrology deals with ___ :
Correct Answer: A. Rocks
Explanation: Petrology is the scientific study of rocks, including their origin, structure, and composition.
146. What does Philately involve?
Correct Answer: B. Postage stamps
Explanation: Philately is the collection and study of postage stamps and related postal materials.
147. Philography refers to ____ :
Correct Answer: C. Autograph collecting
Explanation: Philography is the practice of collecting autographs of famous people.
148. Philology is the study of _____ :
Correct Answer: A. Language
Explanation: Philology is the study of language in written historical sources — it combines linguistics, literary studies, and history.
149. What does Philomath refer to?
Correct Answer: A. Love for learning
Explanation: A philomath is a person who loves learning and studying across different fields of knowledge.
150. Philosophy is the scientific study of ____ :
Correct Answer: B. Knowledge and wisdom
Explanation: Philosophy is the study of the fundamental nature of knowledge, existence, and reality — often called the “love of wisdom.”
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.