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Science and Technology — Current Affairs Questions & Practice

Practise 279 Science and Technology questions from Current Affairs for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Science and Technology — with answers

Try each question first, then open the answer. Explanations are included.

1. India became the 4th country to achieve space docking through which mission, in January 2025?

  1. ASpaDeX
  2. BGaganyaan-1
  3. CNISAR
  4. DChandrayaan-3
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Answer: A

India became the 4th country to achieve space docking through the SpaDeX (Space Docking Experiment) mission in January 2025.

2. Who became the first Indian to visit the International Space Station (ISS), in 2025?

  1. AWing Commander Shubhanshu Shukla
  2. BRakesh Sharma
  3. CGroup Captain Ajit Krishnan
  4. DVyommitra
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Answer: A

Wing Commander Shubhanshu Shukla became the first Indian to visit the International Space Station (ISS) in 2025.

3. NISAR, launched as a historic India-US collaboration, is described as the world's most advanced satellite of which type?

  1. AEarth-observation radar satellite
  2. BWeather forecasting satellite
  3. CCommunication satellite
  4. DNavigation satellite
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Answer: A

NISAR (NASA-ISRO Synthetic Aperture Radar) is the world's most advanced Earth-observation radar satellite, launched as a historic India-US collaboration.

4. In April 2026, which nuclear facility in India achieved 'first criticality', marking a major milestone in India's three-stage nuclear programme?

  1. A500 MWe Prototype Fast Breeder Reactor at Kalpakkam
  2. BTarapur Atomic Power Station
  3. CKudankulam Nuclear Power Plant
  4. DNarora Atomic Power Station
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Answer: A

The 500 MWe Prototype Fast Breeder Reactor at Kalpakkam achieved first criticality in April 2026, a major milestone in India's three-stage nuclear programme.

5. India's rank in Stanford University's 2025 Global AI Vibrancy rankings was which position?

  1. AThird
  2. BFirst
  3. CFifth
  4. DTenth
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Answer: A

India climbed to third place in Stanford University's 2025 Global AI Vibrancy rankings.

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