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GS Paper IUPSC Prelims 2001
Miscellaneous
Question No. 95Interactive Test Mode
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+2-0.66

Q95. Who is the scientist in whose honour the “Chandra” X-ray telescope has been named?

Who is the scientist in whose honour the “Chandra” X-ray telescope has been named?

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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2001 • General Knowledge (1995-2010)

Correct Answer: Option (D) — Subramanyam Chandrashekhar

Concept & Option Breakdown

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NASA's Chandra X-ray Observatory, launched in 1999, was named in honor of Indian-American astrophysicist Subrahmanyan Chandrasekhar, who won the 1983 Nobel Prize in Physics for his theoretical studies of the physical processes concerning the structure and evolution of the stars (including the Chandrasekhar limit).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2001 (Q95)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeneral Knowledge (1995-2010) → Miscellaneous
Official Answer KeyOption (D) — Subramanyam Chandrashekhar

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Frequently Asked Questions — UPSC Prelims 2001 Q95

What is the official answer for UPSC Prelims 2001 GS Paper I Question 95 (General Knowledge (1995-2010))?

The official UPSC answer key for this 2001 General Knowledge (1995-2010) (Miscellaneous) question is Option (D): "Subramanyam Chandrashekhar". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2001 question belong to?

This question belongs to GS Paper I under the subject "General Knowledge (1995-2010)" and micro-topic "Miscellaneous". You can explore all repeated questions from Miscellaneous in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Miscellaneous UPSC Prelims question using option elimination?

To solve Miscellaneous questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

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