Science and Technology

32 CDS Current Affairs past-year questions from 15 papers, 2016 to 2026, with answers and worked solutions.

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Difficulty: 10 easy · 11 moderate · 11 hard.
Most-asked subtopics: Space Technology and Astronomy (18), Information Technology and Railway Safety (5), DRDO, Defence and Marine Technology (4).
Updated 20 September 2026.

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CDS · 2026 · CDS (II) 2026 — General Knowledge · Q47Hard
#1DRDO, Defence and Marine Technology
CDS · 2026 · CDS (II) 2026 — General Knowledge · Q100Moderate
#2Nuclear and Renewable Energy
CDS · 2026 · CDS (II) 2026 — General Knowledge · Q102Hard
#3Information Technology and Railway Safety
CDS · 2026 · CDS (I) 2026 — General Knowledge · Q119Hard
#4DRDO, Defence and Marine Technology
CDS · 2017 · CDS (II) 2017 — General Knowledge · Q48Easy
#5Space Technology and Astronomy
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CDS · 2017 · CDS (II) 2017 — General Knowledge · Q109Hard
#6Space Technology and Astronomy
CDS · 2016 · CDS (II) 2016 — General Knowledge · Q61Moderate
#7Space Technology and Astronomy
CDS · 2016 · CDS (II) 2016 — General Knowledge · Q72Easy
#8Space Technology and Astronomy
CDS · 2019 · CDS (I) 2019 — General Knowledge · Q13Easy
#9Information Technology and Railway Safety
CDS · 2020 · CDS (II) 2020 — General Knowledge · Q56Easy
#10Health Technology, Science Awards and Anniversaries
CDS · 2020 · CDS (II) 2020 — General Knowledge · Q85Hard
#11Space Technology and Astronomy
CDS · 2021 · CDS (II) 2021 — General Knowledge · Q110Moderate
#12Space Technology and Astronomy
CDS · 2022 · CDS (II) 2022 — General Knowledge · Q30Easy
#13Space Technology and Astronomy
CDS · 2022 · CDS (II) 2022 — General Knowledge · Q33Easy
#14Nuclear and Renewable Energy
CDS · 2022 · CDS (II) 2022 — General Knowledge · Q57Moderate
#15Space Technology and Astronomy
CDS · 2022 · CDS (II) 2022 — General Knowledge · Q76Easy
#16Information Technology and Railway Safety
CDS · 2022 · CDS (I) 2022 — General Knowledge · Q102Moderate
#17Health Technology, Science Awards and Anniversaries
CDS · 2022 · CDS (I) 2022 — General Knowledge · Q105Hard
#18Space Technology and Astronomy
CDS · 2022 · CDS (I) 2022 — General Knowledge · Q112Moderate
#19Space Technology and Astronomy
CDS · 2022 · CDS (I) 2022 — General Knowledge · Q113Easy
#20Space Technology and Astronomy
CDS · 2022 · CDS (I) 2022 — General Knowledge · Q119Hard
#21Space Technology and Astronomy
CDS · 2023 · CDS (II) 2023 — General Knowledge · Q59Hard
#22Information Technology and Railway Safety
CDS · 2024 · CDS (II) 2024 — General Knowledge · Q25Easy
#23Space Technology and Astronomy
CDS · 2024 · CDS (II) 2024 — General Knowledge · Q29Easy
#24DRDO, Defence and Marine Technology
CDS · 2024 · CDS (II) 2024 — General Knowledge · Q49Moderate
#25Information Technology and Railway Safety
CDS · 2024 · CDS (I) 2024 — General Knowledge · Q9Moderate
#26Space Technology and Astronomy
CDS · 2024 · CDS (I) 2024 — General Knowledge · Q54Moderate
#27Space Technology and Astronomy
CDS · 2024 · CDS (I) 2024 — General Knowledge · Q60Hard
#28Space Technology and Astronomy
CDS · 2024 · CDS (I) 2024 — General Knowledge · Q113Moderate
#29DRDO, Defence and Marine Technology
CDS · 2025 · CDS (II) 2025 — General Knowledge · Q117Hard
#30Health Technology, Science Awards and Anniversaries
CDS · 2025 · CDS (I) 2025 — General Knowledge · Q120Hard
#31Space Technology and Astronomy
CDS · 2018 · CDS (I) 2018 — General Knowledge · Q59Moderate
#32Space Technology and Astronomy

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