Science & Technology MCQ — Practice Questions for RAS Exam
Science & Technology is a crucial component of the RAS/RPSC exam syllabus. Practice 6,972 multiple-choice questions across 221 topics with detailed explanations to strengthen your preparation.
6,972
Total Questions
221
Topics Covered
3
Difficulty Levels
Topics in Science & Technology
Defence & Space Technology
720 questions
Recent Advancements & Indian Contributions
341 questions
Computers & ICT
319 questions
Everyday Science
216 questions
Basics of Everyday Science
193 questions
Genetics, Biotechnology & Nanotechnology
186 questions
Government S&T Programs & Policies
173 questions
Health, Food & Nutrition
172 questions
Nuclear Energy
136 questions
Agriculture, Horticulture & Animal Husbandry
128 questions
Defence Technology
116 questions
General Science
109 questions
Earth Observation Satellite
101 questions
Plant Evolution
100 questions
Atomic Energy Regulation
100 questions
Smart Materials
99 questions
Electrochromic Devices
97 questions
Nuclear Reactor Design
96 questions
Satellite Systems
96 questions
Regulatory Governance
95 questions
Three-Stage Nuclear Programme
95 questions
Birbal Sahni Institute Jamun Study
94 questions
Nuclear Safety
91 questions
Public Health
90 questions
Hydrocarbons & Energy
87 questions
Fast Breeder Reactors
87 questions
Digital Health Mission
86 questions
Connected Vehicles
84 questions
Startups
84 questions
Research and Innovation
84 questions
High-Speed Rail
82 questions
AI in Governance
81 questions
Civil Aviation
79 questions
Space Sector Reforms
78 questions
Electronics Manufacturing
78 questions
Indigenisation
77 questions
Small Modular Reactors
77 questions
Private Space Sector
74 questions
Industry-Academia Collaboration
74 questions
Semiconductors
73 questions
Kavach
71 questions
Green Steel and Decarbonisation
69 questions
Aviation Infrastructure
66 questions
Semiconductor Mission
61 questions
Defence Indigenisation
57 questions
Space Technology
54 questions
Space Programme
52 questions
Meteorology
52 questions
Green Mobility and Hydrogen Mission
52 questions
ISRO
52 questions
ISRO Lunar Missions
52 questions
Space Awards
51 questions
Indian Railways Hydrogen Train
51 questions
Indian Railways
51 questions
Indian Railways and Green Mobility
51 questions
Space Missions
51 questions
India Modern History
51 questions
Nuclear Programme
51 questions
Space Exploration
51 questions
Indigenous Hydrogen Fuel Cell Train
51 questions
National Technology Day
51 questions
Scientific Institutions
51 questions
Mission Mausam
50 questions
India Semiconductor Mission
48 questions
Naval Modernisation
44 questions
Public Consultation
37 questions
AERB Regulation
31 questions
Science & Technology
30 questions
दैनिक विज्ञान (EVERYDAY SCIENCE)
30 questions
Satellite Meteorology
26 questions
General Knowledge
26 questions
Vande Bharat Manufacturing
25 questions
Vande Bharat
17 questions
Indian space programme
4 questions
Physical and chemical changes
3 questions
Genetics and heredity
2 questions
Defence technology
2 questions
Research Policy
2 questions
Human genetics
2 questions
Blood groups
2 questions
India-Korea Space Day
2 questions
Rajasthan GK
2 questions
Allotropes of carbon
2 questions
Renewable energy technologies
1 questions
Earth's magnetism
1 questions
Acidic and basic nature of oxides
1 questions
Economically important plants
1 questions
Conservation of mechanical energy
1 questions
Flex Fuel Vehicles
1 questions
Carbon and its compounds
1 questions
Digestive enzymes
1 questions
Displacement reactions
1 questions
Chemical reactions of metals
1 questions
Genetic engineering
1 questions
Microbial products in medicine
1 questions
Hardness of water
1 questions
Geostationary satellites
1 questions
Immunosuppressants and organ transplantation
1 questions
Human eye and vision defects
1 questions
Chemical reactions and catalysis
1 questions
Microbial industrial products
1 questions
Critical Minerals
1 questions
GPS and navigation systems
1 questions
Capacitance and dielectrics
1 questions
Missile Specifications
1 questions
Blood transfusion compatibility
1 questions
Agriculture: seed certification
1 questions
Concave mirror image formation
1 questions
Organic chemistry: vital force theory
1 questions
Thermodynamics: internal energy
1 questions
Human diseases and pathogens
1 questions
Oxidation and reduction
1 questions
Human genetics: blood groups
1 questions
Cloud seeding
1 questions
Blood transfusion and blood groups
1 questions
Chemical kinetics and autocatalysis
1 questions
Organic chemistry: hydrogenation of oils
1 questions
Equivalent weight of KMnO4
1 questions
Space science institutions
1 questions
Science and technology programmes in Rajasthan
1 questions
Genetic disorders
1 questions
Indigenous hyperloop system
1 questions
Optics: dispersion through prism
1 questions
Corrosion of copper
1 questions
Ethylene glycol and antifreeze
1 questions
Electrolysis and Faraday's law
1 questions
Mirrors and field of view
1 questions
Antiseptics and disinfectants
1 questions
Metallurgy processes
1 questions
Mendelian genetics
1 questions
Chemical equilibrium and catalysis
1 questions
Chemical reactions of metals with acids
1 questions
History of molecular biology
1 questions
Acids and carbonates
1 questions
CSIR full form
1 questions
Chemical changes
1 questions
Global navigation satellite systems
1 questions
Apiculture
1 questions
Fatty acids and oils
1 questions
Density and flotation
1 questions
Escape velocity
1 questions
Optics: reflection of light
1 questions
Indian space research centres
1 questions
Human physiology: opioid receptors
1 questions
Human eye defects
1 questions
Defects of vision
1 questions
Satellite television and communication
1 questions
Blood groups and transfusion compatibility
1 questions
Medicinal plants
1 questions
Electric fuse and circuit safety
1 questions
Biotechnology: single cell protein
1 questions
Redox reactions
1 questions
Crystal lattice and density
1 questions
Electronic configuration and metallic character
1 questions
Immunology antibodies
1 questions
Light reflection in plane mirrors
1 questions
Biotechnology: animal cloning
1 questions
Satellite orbits
1 questions
Acid-base neutralisation
1 questions
Reaction of nitric acid with metals
1 questions
Oxidation of alcohols
1 questions
Human chromosomes
1 questions
Plane mirrors and image formation
1 questions
DNA nitrogenous bases
1 questions
Human diseases and parasites
1 questions
Natural dyes and pigments
1 questions
Vitamins and nutrition
1 questions
Artificial satellites
1 questions
Acids in plants and stings
1 questions
Human dentition
1 questions
Cell biology: chromosome structure
1 questions
Polymerase chain reaction
1 questions
ISRO and Indian space programme
1 questions
Chemical reactions and heat change
1 questions
Light: refraction and scattering
1 questions
Economic insects
1 questions
Human endocrine system
1 questions
Electric circuits: series resistance
1 questions
Everyday chemistry
1 questions
Dwarf planets
1 questions
Space exploration
1 questions
Polymers
1 questions
Acids, bases and salts
1 questions
Parallel resistance
1 questions
Bacterial shapes
1 questions
Alloys
1 questions
Biomolecules and natural fibres
1 questions
Vitamins and deficiency diseases
1 questions
Common chemical compounds
1 questions
Nutrition and microorganisms
1 questions
Palaeobotany
1 questions
Space Technology and ISRO Missions
1 questions
Coal types and carbon content
1 questions
Telephone communication device
1 questions
Genetics: monohybrid cross
1 questions
ISRO launch vehicles
1 questions
Metallurgy: anodising
1 questions
Mendelian inheritance
1 questions
Chemical properties of sodium
1 questions
Lens formula
1 questions
Human eye and optical defects
1 questions
ABO blood groups
1 questions
Human genetics and blood groups
1 questions
Colour blindness
1 questions
Indian-origin space travellers
1 questions
Aqua regia
1 questions
Energy conversion in engines
1 questions
Science and Technology Resource Centre
1 questions
Fishery and aquaculture
1 questions
Optics: dispersion and recombination of white light
1 questions
Li-Fi technology
1 questions
Chemical reactions and precipitates
1 questions
Communicable diseases
1 questions
Medicinal plant parts
1 questions
Electrical resistivity
1 questions
Genetic code
1 questions
Magnetic dipole moment of a coil
1 questions
Indian space missions
1 questions
Reflection from a plane mirror
1 questions
Animal diseases
1 questions
Human insulin structure
1 questions
Sample Questions
Try these Science & Technology questions. Click "Show Answer" to reveal the explanation.
PARAM Rudra was launched at which IIT?
Carbon nanotubes are known for their remarkable:
GSAT-7R (CMS-03), launched by ISRO in November 2025 aboard the LVM3-M5 rocket, is dedicated to which Indian defence service?
Which of the following is NOT among the three operational NavIC satellites as of March 2026?
Consider the following statements: 1. The Food Safety and Standards Act aims to establish a single reference point for food safety and standards matters. 2. The Ministry of Agriculture and Farmers Welfare is the administrative ministry for FSSAI. 3. FSSAI and State Food Safety Authorities enforce various provisions of the Food Safety and Standards Act. Which of the statements given above are correct?
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Frequently Asked Questions
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