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GS Paper IUPSC Prelims 2008
Space & ISRO
Question No. 129Interactive Test Mode
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+2-0.66

Q129. Which one of the following is a spacecraft?

Which one of the following is a spacecraft?

Select the correct option below (or cross out options to eliminate)
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2008 • Science and Technology

Correct Answer: Option (B) — Cassini

Concept & Option Breakdown

Standard Reference Verified

Cassini was an interplanetary spacecraft (orbiter) sent to study Saturn and its system. In contrast, Apophis is a near-Earth asteroid, Spitzer is a space telescope, and TechSAR is a reconnaissance satellite.

Elimination Heuristic & Exam Approach

While telescopes and Earth-imaging satellites are orbital platforms, interplanetary exploration probes with landers (like Cassini-Huygens) are classic deep-space spacecraft.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2008 (Q129)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Space & ISRO
Official Answer KeyOption (B) — Cassini

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Frequently Asked Questions — UPSC Prelims 2008 Q129

What is the official answer for UPSC Prelims 2008 GS Paper I Question 129 (Science and Technology)?

The official UPSC answer key for this 2008 Science and Technology (Space & ISRO) question is Option (B): "Cassini". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2008 question belong to?

This question belongs to GS Paper I under the subject "Science and Technology" and micro-topic "Space & ISRO". You can explore all repeated questions from Space & ISRO 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 Space & ISRO UPSC Prelims question using option elimination?

While telescopes and Earthimaging satellites are orbital platforms, interplanetary exploration probes with landers (like CassiniHuygens) are classic deepspace spacecraft.

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