General Science & Technology – Science & Technology Developments
Assam Public Service Commission (APSC)
Combined Competitive Examination (CCE) – Preliminary Examination
General Studies Paper I (Objective, 200 Marks)
Topic: General Science & Technology
Sub-Topic: Science & Technology Developments
Science & Technology Developments – Multiple Choice Questions (MCQs) with Answers & Explanations
Q1. The primary objective of India’s space missions like Chandrayaan is to:
A. Establish military dominance
B. Promote tourism
C. Advance scientific knowledge and technology
D. Replace communication satellites
Correct Answer: C
Explanation:
India’s space missions aim at scientific exploration, technological advancement, and national development.
Q2. Which organization is responsible for India’s space research activities?
A. DRDO
B. BARC
C. Indian Space Research Organisation
D. CSIR
Correct Answer: C
Explanation:
ISRO plans and executes satellite launches, planetary missions, and space research.
Q3. Artificial Intelligence (AI) refers to:
A. Natural intelligence in animals
B. Machines performing tasks requiring human intelligence
C. Computer hardware design
D. Internet-based communication
Correct Answer: B
Explanation:
AI enables machines to learn, reason, and solve problems like humans.
Q4. Which technology enables machines to learn from data?
A. Cloud computing
B. Machine learning
C. Blockchain
D. Quantum computing
Correct Answer: B
Explanation:
Machine learning, a subset of AI, allows systems to improve performance using data.
Q5. Blockchain technology is best known for its use in:
A. Social media
B. Cryptocurrency transactions
C. Weather forecasting
D. Biotechnology
Correct Answer: B
Explanation:
Blockchain ensures secure, transparent, and decentralized digital transactions, widely used in cryptocurrencies.
Q6. Which technology allows data storage and access over the internet?
A. Edge computing
B. Cloud computing
C. Grid computing
D. Optical computing
Correct Answer: B
Explanation:
Cloud computing provides on-demand access to data and computing resources.
Q7. 5G technology is primarily associated with:
A. Higher fuel efficiency
B. Faster internet speed and low latency
C. Renewable energy
D. Genetic engineering
Correct Answer: B
Explanation:
5G enables ultra-fast data transfer, low latency, and massive device connectivity.
Q8. The Internet of Things (IoT) refers to:
A. Internet security systems
B. Interconnection of physical devices through internet
C. Social networking platforms
D. Satellite communication only
Correct Answer: B
Explanation:
IoT connects devices like sensors, appliances, and machines to share data.
Q9. Which Indian organization is involved in defence technology development?
A. ISRO
B. CSIR
C. Defence Research and Development Organisation
D. ICMR
Correct Answer: C
Explanation:
DRDO develops missiles, radars, aircraft systems, and defence technologies.
Q10. Biotechnology primarily deals with:
A. Mechanical systems
B. Use of living organisms for products and processes
C. Nuclear reactions
D. Computer programming
Correct Answer: B
Explanation:
Biotechnology uses biological systems in medicine, agriculture, and industry.
Q11. Which vaccine technology uses messenger RNA?
A. Inactivated virus vaccines
B. Live attenuated vaccines
C. mRNA vaccines
D. Toxoid vaccines
Correct Answer: C
Explanation:
mRNA vaccines instruct cells to produce antigens and trigger immunity.
Q12. Nanotechnology deals with materials at the scale of:
A. Millimeters
B. Micrometers
C. Nanometers
D. Centimeters
Correct Answer: C
Explanation:
Nanotechnology works at 1–100 nanometer scale, altering material properties.
Q13. Which renewable energy source uses photovoltaic cells?
A. Wind energy
B. Solar energy
C. Tidal energy
D. Geothermal energy
Correct Answer: B
Explanation:
Photovoltaic cells convert sunlight directly into electricity.
Q14. Which technology is used for secure digital identity in India?
A. Aadhaar biometric system
B. Blockchain mining
C. Satellite navigation
D. Quantum encryption
Correct Answer: A
Explanation:
Aadhaar uses biometrics and digital authentication for identity verification.
Q15. Quantum computing differs from classical computing because it uses:
A. Binary bits only
B. Qubits and quantum states
C. Magnetic storage
D. Mechanical processors
Correct Answer: B
Explanation:
Quantum computers use qubits, enabling parallel processing through superposition.
Q16. Which field focuses on creating humanoid machines?
A. Biotechnology
B. Robotics
C. Astrophysics
D. Cyber security
Correct Answer: B
Explanation:
Robotics involves designing and operating robots for various tasks.
Q17. Cyber security aims to:
A. Improve internet speed
B. Protect systems and data from cyber threats
C. Increase social media usage
D. Develop software
Correct Answer: B
Explanation:
Cyber security safeguards networks, devices, and data from digital attacks.
Q18. Which satellite system provides navigation services in India?
A. GPS
B. GLONASS
C. IRNSS (NavIC)
D. Galileo
Correct Answer: C
Explanation:
NavIC is India’s regional navigation satellite system.
Q19. Genetic engineering involves:
A. Study of fossils
B. Modification of DNA
C. Chemical synthesis
D. Mechanical automation
Correct Answer: B
Explanation:
Genetic engineering alters genetic material to achieve desired traits.
Q20. Which technology is widely used in online financial transactions?
A. Virtual reality
B. Blockchain and encryption
C. Biotechnology
D. Nanomaterials
Correct Answer: B
Explanation:
Encryption and blockchain ensure secure digital payments.
Q21. Green technology mainly focuses on:
A. Industrial expansion
B. Environmental sustainability
C. Military applications
D. Urbanization
Correct Answer: B
Explanation:
Green technologies reduce environmental impact and resource consumption.
Q22. Which innovation helps in precision agriculture?
A. Manual irrigation
B. Satellite imaging and sensors
C. Traditional ploughing
D. Chemical fertilizers
Correct Answer: B
Explanation:
Precision agriculture uses satellites, drones, and sensors for efficient farming.
Q23. 3D printing technology is used for:
A. Data encryption
B. Layer-by-layer manufacturing
C. Internet communication
D. Energy generation
Correct Answer: B
Explanation:
3D printing builds objects layer by layer from digital designs.
Q24. Which technology supports virtual meetings and simulations?
A. Augmented reality
B. Virtual reality
C. Biotechnology
D. Robotics
Correct Answer: B
Explanation:
Virtual reality creates immersive digital environments.
Q25. The term “Big Data” refers to:
A. Small datasets
B. Large and complex datasets
C. Encrypted data only
D. Personal data only
Correct Answer: B
Explanation:
Big Data involves huge volumes of data requiring advanced analytics.
Q26. Which Indian initiative promotes digital governance?
A. Make in India
B. Digital India
C. Startup India
D. Skill India
Correct Answer: B
Explanation:
Digital India enhances online services, connectivity, and digital literacy.
Q27. Which technology is crucial for electric vehicles?
A. Diesel engines
B. Lithium-ion batteries
C. Coal power
D. Nuclear fuel
Correct Answer: B
Explanation:
Lithium-ion batteries provide efficient energy storage for EVs.
Q28. Space technology contributes to disaster management by:
A. Weapon development
B. Satellite-based monitoring and communication
C. Industrial automation
D. Urban planning only
Correct Answer: B
Explanation:
Satellites help in early warning, mapping, and rescue coordination.
Q29. Which technology ensures transparency in supply chains?
A. Cloud storage
B. Blockchain
C. Virtual reality
D. Robotics
Correct Answer: B
Explanation:
Blockchain enables traceability and transparency in supply chains.
Q30. Science & technology developments primarily aim to:
A. Replace human labour
B. Increase complexity
C. Improve quality of life and national development
D. Reduce innovation
Correct Answer: C
Explanation:
Advances in science and technology enhance efficiency, welfare, and sustainable development.
✅ APSC Prelims Smart Tip
For Science & Technology Developments, focus on:
- Emerging technologies (AI, IoT, Blockchain)
- Indian S&T institutions and missions
- Applications in daily life, governance, defence, and environment
- Conceptual understanding rather than technical depth
-
Science and technology MCQs APSC
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Emerging technologies prelims questions
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AI IoT blockchain MCQs
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ISRO DRDO science questions
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Digital India technology MCQs
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General science technology GS Paper I
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Current science developments APSC