space hard MCQ

ISRO's POEM platform repurposes which spent stage for microgravity experiments?

  1. PSLV fourth stage
  2. GSLV cryogenic stage
  3. LVM3 core stage
  4. SSLV terminal stage

Answer: PSLV fourth stage

PSLV Orbital Experimental Module (POEM) uses depleted PS4 stage as stabilized platform hosting payloads for weeks/months post-primary mission separation.

Topic Space Missions - Technology Demonstration
Exam Relevance UPSC Prelims, ISRO Scientist Exam