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Science & Technology · Unified View

Compare Science & Technology questions across Prelims and Mains stages side-by-side with distribution trends.

PrelimsMainsUnified View ⚡
Filters:
Comparing 40 questions across stages
Prelims
20questions

Objective / MCQ format

Mains
20questions

Descriptive / Essay format

Stage Ratio
Prelims (50%)Mains (50%)
By Year2020–2026
20
21
22
23
24
25
26
Prelims20 questions
Newest first
2026Digital Technology

What does two-factor authentication improve?

Answer: C
2026Space Technology

Green hydrogen is generally produced using renewable electricity to do what?

Answer: D
2026Biotechnology

A quantum computer uses which basic information unit?

Answer: C
2026Health Technology

Antimicrobial resistance is a concern because microbes can become what?

Answer: A
2026Space Technology

Which instrument is used to detect earthquakes by recording ground motion?

Answer: B
2025Digital Technology

Carbon capture and storage aims to capture carbon dioxide and then do what?

Answer: D
2024Energy Technology

Which technology is central to modern satellite navigation systems?

Answer: A
2024Energy Technology

Lithium-ion batteries store and release energy through movement of what?

Answer: D
2024Biotechnology

What does 5G refer to?

Answer: A
2024Health Technology

Which technology can help detect patterns in large medical images?

Answer: C
2023Digital Technology

Which of these is a common use of remote sensing?

Answer: B
2023Digital Technology

Which Indian mission is associated with a soft landing near the Moon's south polar region in 2023?

Answer: A
2022Biotechnology

CRISPR-Cas systems are widely known for which application?

Answer: D
2021Space Technology

A geostationary satellite appears stationary relative to which reference?

Answer: A
2021Health Technology

mRNA vaccines work by providing cells with instructions to make what?

Answer: B
2021Energy Technology

What is the purpose of a vaccine in public health?

Answer: C
2021Energy Technology

A heat pump is efficient because it primarily does what?

Answer: B
2020Space Technology

Blockchain is best described as what?

Answer: C
2020Biotechnology

What is the main goal of a semiconductor chip's transistor?

Answer: B
2020Health Technology

A large language model primarily learns statistical patterns from what?

Answer: D
Mains20 questions
Newest first
2026Biotechnology

Discuss the role of semiconductor manufacturing in strategic resilience.

2026Digital Technology

How can India address the digital divide across regions and social groups?

2025Health Technology

Examine the role of battery storage in integrating renewable electricity.

2024Health Technology

Discuss the opportunities and risks of gene-editing technologies.

2024Energy Technology

Evaluate the importance of cybersecurity for critical information infrastructure.

2024Space Technology

Evaluate the contribution of biotechnology to food and nutritional security.

2024Biotechnology

How can telemedicine improve access to healthcare in remote areas?

2024Biotechnology

Evaluate the role of satellite data in monitoring climate change.

2023Digital Technology

How can India strengthen research translation from laboratories to industry?

2023Health Technology

Discuss the importance of open standards and interoperability in digital systems.

2022Digital Technology

Discuss the challenges of regulating deepfakes and synthetic media.

2022Space Technology

Discuss the opportunities and limitations of quantum technologies.

2021Biotechnology

Examine the role of space technology in disaster management and agriculture.

2021Space Technology

How can digital literacy reduce exclusion from online public services?

2021Energy Technology

Discuss the importance of responsible innovation in emerging technologies.

2021Energy Technology

How can public policy improve access to assistive technologies?

2020Space Technology

Discuss how artificial intelligence can improve public services while creating new governance risks.

2020Digital Technology

Examine the potential of green hydrogen in decarbonising hard-to-abate sectors.

2020Health Technology

How can data governance frameworks support innovation and privacy?

2020Energy Technology

Examine ethical and accountability concerns in automated decision-making.