All PYQsPractise free. Progress is kept on this device.
Subject

Theme

Science & Technology

203 PYQs · Asked in 16 of 16 years · Free practice

PYQs on Science & Technology

18 PYQs from 2026
Reset
Checking your session…

Showing 18 questions.

Prelims 2026

18 questions
Science & TechnologyGenetics and BiotechnologyGene Editing, Gene Therapy and Genetic EngineeringMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Gene Editing, Gene Therapy and Genetic Engineering · Therapeutics, Biologics and Monoclonal Antibodies
Related topics:
Therapeutics, Biologics and Monoclonal Antibodies

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q41

Prelims 2026, question 41: Gene Editing, Gene Therapy and Genetic Engineering

Which of the following statements with regard to genetic medicine is/are correct ? 1. Genetic medicines correct/compensate for the faulty genes responsible for disease. 2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine. 3. Genetic medicines alter the entire DNA sequence. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyComputing, AI and Digital TechnologiesArtificial Intelligence, Machine Learning and Deep LearningMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Artificial Intelligence, Machine Learning and Deep Learning

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q42

Prelims 2026, question 42: Artificial Intelligence, Machine Learning and Deep Learning

Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct ? 1. LLMs assign probabilities to the next possible words and then pick the one with the highest probability. 2. LLMs process data through mathematical optimization to minimise prediction errors. 3. LLMs produce unbiased outputs. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyDefence and Strategic TechnologiesMilitary Radar, Electronic Warfare and SurveillanceMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Military Radar, Electronic Warfare and Surveillance · Radar, Sonar and Remote-Sensing Instruments
Related topics:
Radar, Sonar and Remote-Sensing Instruments

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q43

Prelims 2026, question 43: Military Radar, Electronic Warfare and Surveillance

Which of the following statements with regard to stealth technology is/are correct ? 1. Stealth objects have a very small radar cross-section and are coated with Radar Absorbing Material. 2. Stealth objects can be detected using specific frequencies. 3. Stealth objects are coated with metamaterials to increase the scattering of electromagnetic radiation. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyCommunication, Electronics and Quantum TechnologyElectronics, Microelectronics and Embedded SystemsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Electronics, Microelectronics and Embedded Systems

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q44

Prelims 2026, question 44: Electronics, Microelectronics and Embedded Systems

Which of the following statements with regard to Black Boxes used in modern aircrafts is/are correct ? 1. They carry a beacon emitting red light pulses to facilitate underwater detection. 2. They record both the cockpit voice and flight data. 3. Their memory units are made using either stainless steel or titanium. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyEnergy, Nuclear and Mobility TechnologiesHydrogen Production, Storage and Fuel CellsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Hydrogen Production, Storage and Fuel Cells · Climate Mitigation Pathways and Sectoral Decarbonisation
Related topics:
Climate Mitigation Pathways and Sectoral Decarbonisation

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q45

Prelims 2026, question 45: Hydrogen Production, Storage and Fuel Cells

Which of the following statements with regard to Green Hydrogen is/are correct ? 1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS). 2. It is produced using electrolysis of water with electricity generated by renewable energy. 3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologySpace Science and Space ProgrammesSpace Institutions, Policy, Commercialisation and DebrisMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Space Institutions, Policy, Commercialisation and Debris · Launch Vehicles, Propulsion and Reusable Space Systems
Related topics:
Launch Vehicles, Propulsion and Reusable Space Systems

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q46

Prelims 2026, question 46: Space Institutions, Policy, Commercialisation and Debris

Consider the following statements with regard to involvement of private entities in India's space programme : 1. The Indian National Space Promotion and Authorisation Centre (IN-SPACe) is an autonomous agency formed to facilitate participation of private entities. 2. Agnikul Cosmos launched the world's first flight using 3D-printed rocket engine. 3. Skyroot Aerospace has developed liquid fuel for GSLV. Which of the statements given above is/are correct ?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyDefence and Strategic TechnologiesMilitary Aviation, UAVs and Aerospace PlatformsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Military Aviation, UAVs and Aerospace Platforms · Military Radar, Electronic Warfare and Surveillance
Related topics:
Military Radar, Electronic Warfare and Surveillance

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q47

Prelims 2026, question 47: Military Aviation, UAVs and Aerospace Platforms

Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyGenetics and BiotechnologyGenomics, Proteomics and Omics TechnologiesMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Genomics, Proteomics and Omics Technologies · National Science Missions and Research Programmes
Related topics:
National Science Missions and Research Programmes

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q48

Prelims 2026, question 48: Genomics, Proteomics and Omics Technologies

Which of the following statements with regard to GenomeIndia Project is/are correct ? 1. It is a part of the Human Genome Project. 2. The project is funded by the Department of Biotechnology (DBT), Government of India. 3. Its primary aim is to build a catalogue of genetic diversity of the Indian population. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyCommunication, Electronics and Quantum TechnologyQuantum ComputingMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Quantum Computing · National Science Missions and Research Programmes
Related topics:
National Science Missions and Research Programmes

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q49

Prelims 2026, question 49: Quantum Computing

Which of the following statements with regard to the National Quantum Mission (NQM) is/are correct? 1. It aims at developing intermediate-scale quantum computers with 50-1000 physical qubits. 2. Its implementation includes setting up of four Thematic Hubs (T-Hubs) in academic and national R&D institutes across India. Select the answer using the code given below:

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyScientific Research, Institutions and InnovationNational Science Missions and Research ProgrammesMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
National Science Missions and Research Programmes · Marine Resources and Ocean Economic Geography · Robotics, Automation and Autonomous Systems
Related topics:
Marine Resources and Ocean Economic Geography · Robotics, Automation and Autonomous Systems

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q50

Prelims 2026, question 50: National Science Missions and Research Programmes

Which of the following statements with regard to India's Deep Ocean Mission is/are correct? 1. It was launched by the Ministry of Ports, Shipping and Waterways, Government of India. 2. Matsya-6000 has been designed to carry 3 people for deep sea exploration. 3. Samudrayaan is a project under this mission. Select the answer using the code given below:

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyDefence and Strategic TechnologiesMilitary Radar, Electronic Warfare and SurveillanceMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Military Radar, Electronic Warfare and Surveillance · Missiles, Guidance and Strategic Delivery Systems
Related topics:
Missiles, Guidance and Strategic Delivery Systems

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q60

Prelims 2026, question 60: Military Radar, Electronic Warfare and Surveillance

Consider the following statements about Mission Sudarshan Chakra of India: 1. It aims to enhance India's air defence, ballistic missile defence and aerial offensive capabilities. 2. This Mission is being designed to enhance rapid, precise, and powerful defence responses, reinforcing India's strategic autonomy. 3. One of the aims of this Mission is to cover all public places of India by an expanded nationwide security shield by 2035. Which of the statements given above is/are correct?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyDefence and Strategic TechnologiesDefence R&D, Indigenisation and Dual-Use TechnologyHard (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Defence R&D, Indigenisation and Dual-Use Technology · Land Warfare Systems, Artillery and Armoured Platforms · Military Aviation, UAVs and Aerospace Platforms · Naval, Submarine and Maritime Defence Systems
Related topics:
Land Warfare Systems, Artillery and Armoured Platforms · Military Aviation, UAVs and Aerospace Platforms · Naval, Submarine and Maritime Defence Systems

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q68

Prelims 2026, question 68: Defence R&D, Indigenisation and Dual-Use Technology

Which of the following items of defence hardware is/are manufactured in India ? 1. Su-30 MKI Fighter Jets 2. T-90 MK-III Tanks 3. Akula Class Submarine Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyComputing, AI and Digital TechnologiesComputing Hardware, Semiconductors and ProcessorsMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Computing Hardware, Semiconductors and Processors

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q79

Prelims 2026, question 79: Computing Hardware, Semiconductors and Processors

Which of the following statements about DHRUV64 is/are correct ? 1. It is the third chip fabricated under the DIR-V Programme with an overall aim to enable the creation of microprocessors for India. 2. It is India's first homegrown 1.0 GHz, 64-bit dual-core microprocessor. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyScientific Research, Institutions and InnovationIntellectual Property, Standards and MetrologyMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Intellectual Property, Standards and Metrology · Explosives, Ammunition and Energetic Materials
Related topics:
Explosives, Ammunition and Energetic Materials

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q80

Prelims 2026, question 80: Intellectual Property, Standards and Metrology

The Bureau of Indian Standard (BIS) recently introduced a national standard to test and assess bomb disposal system. Which of the following statements with regard to this system is/are correct ? 1. The new standard is known as IS 19445 : 2025. 2. It will improve interoperability of equipment across agencies. 3. It was developed by TBRL, DRDO in collaboration with the 30th Central Scientific Research Institute, Russia. Select the answer using the code given below :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyScientific Research, Institutions and InnovationScientific Discoveries, Awards and ScientistsEasy (editorial estimate)
Question details
Type:
Single choice
Skill:
Fact recall
Tags:
Scientific Discoveries, Awards and Scientists

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q81

Prelims 2026, question 81: Scientific Discoveries, Awards and Scientists

X', born in the UK, was conferred the Nobel Prize in 2025. He was a professor in an American university when this prize was announced. Identify 'X' :

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyComputing, AI and Digital TechnologiesComputing Hardware, Semiconductors and ProcessorsEasy (editorial estimate)
Question details
Type:
Pairs
Skill:
Fact recall
Tags:
Computing Hardware, Semiconductors and Processors · Industrial Policy, Manufacturing and MSMEs
Related topics:
Industrial Policy, Manufacturing and MSMEs

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q83

Prelims 2026, question 83: Computing Hardware, Semiconductors and Processors

Which one of the following pairs of semiconductor plants in India and their locations is not correctly matched?

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyComputing, AI and Digital TechnologiesSupercomputing and High-Performance ComputingMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Supercomputing and High-Performance Computing · Atmospheric Physics and Weather Modification
Related topics:
Atmospheric Physics and Weather Modification

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q84

Prelims 2026, question 84: Supercomputing and High-Performance Computing

Which of the following statements with regard to India's indigenous new high resolution weather model, the 'Bharat Forecast System,' is/are correct? 1. Its objective is to generate forecasts at the Panchayats cluster level. 2. It was developed by IIT Delhi. Select the answer using the code given below:

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.

Full question page ↗
Science & TechnologyComputing, AI and Digital TechnologiesBlockchain and Distributed Ledger TechnologiesMedium (editorial estimate)
Question details
Type:
Statement based
Skill:
Concept understanding
Tags:
Blockchain and Distributed Ledger Technologies

Classification and difficulty are editorial labels. Explanations are awaiting review.

2026 · Q86

Prelims 2026, question 86: Blockchain and Distributed Ledger Technologies

Which of the following statements regarding the features of blockchain technology are correct? 1. Records stored in the database may be made visible to relevant stakeholders without risk of alteration. 2. Copies of the entire database are stored on multiple computers on a network, syncing within seconds. 3. Consortium blockchain is a blend of public and private blockchains allowing selective data access. 4. Mathematical algorithms make it impossible to change or delete any data once recorded and accepted. Select the answer using the code given below:

Confidence & approachOptional

Add before checking your answer.

How confident are you?

Used elimination?

Answered from memory?

Skip any field. You can still check your answer.

Choose an option to enable Check answer.