Science and Technology
19 NDA Current Affairs previous year questions (PYQs) from 10 papers, 2017 to 2026, with answers and worked solutions.
About this chapter
- Difficulty: 10 easy · 6 moderate · 3 hard.
- Most-asked subtopics: Health Technology, Science Awards and Anniversaries (5), Space Technology and Astronomy (5), DRDO, Defence and Marine Technology (4).
- Updated 14 September 2026.
#1Health Technology, Science Awards and Anniversaries
- NDA · Apr 2020 · Q65Moderate
#2Information Technology and Railway Safety
#3DRDO, Defence and Marine Technology
#4Space Technology and Astronomy
#5Space Technology and Astronomy
Done a few? Here’s your next move
- NDA · Apr 2023 · Q67Moderate
#6Health Technology, Science Awards and Anniversaries
- NDA · Apr 2023 · Q99Moderate
#7Space Technology and Astronomy
#8Nuclear and Renewable Energy
#9Health Technology, Science Awards and Anniversaries
#10Information Technology and Railway Safety
- NDA · Apr 2024 · Q141Moderate
#11Space Technology and Astronomy
- NDA · Sep 2025 · Q92Moderate
#12Space Technology and Astronomy
#13Health Technology, Science Awards and Anniversaries
#14Health Technology, Science Awards and Anniversaries
#15Information Technology and Railway Safety
#16Nuclear and Renewable Energy
#17DRDO, Defence and Marine Technology
- NDA · Apr 2025 · Q122Moderate
#18DRDO, Defence and Marine Technology
#19DRDO, Defence and Marine Technology