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Question No. 132Interactive Test Mode
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Q132. With reference to Indian satellites and their launchers, consider the following statements: 1. All the INSAT series of satellites were launched abroad. 2. PSLVs were used to launch IRS-series of satellites. 3. India used the indigenously built cryogenic engines for the first time for powering the third stage of GSLV. 4. GSAT, launched in the year 2001, has payloads to demonstrate digital broadcasts and internet services. Which of these statements are correct?

With reference to Indian satellites and their launchers, consider the following statements:

  1. All the INSAT series of satellites were launched abroad.
  2. PSLVs were used to launch IRS-series of satellites.
  3. India used the indigenously built cryogenic engines for the first time for powering the third stage of GSLV.
  4. GSAT, launched in the year 2001, has payloads to demonstrate digital broadcasts and internet services. Which of these statements are correct?
Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

Ready to check the official UPSC Answer Key?

Click any option above to test yourself under exam conditions, or reveal the explanation directly.

Official UPSC Answer KeyUPSC Prelims 2002 • Science and Technology

Correct Answer: Option (A) — 1, 2, 3 and 4

Concept & Option Breakdown

Standard Reference Verified

• Statement 1 is correct: Up to that point in time (2002), all operational INSAT satellites had been launched using foreign commercial launchers (such as Ariane from Kourou or Delta from Cape Canaveral). • Statement 2 is correct: The Polar Satellite Launch Vehicle (PSLV) was specifically developed and utilized to deploy the Indian Remote Sensing (IRS) series of satellites into sun-synchronous polar orbits. • Statement 3 is correct: The indigenous cryogenic upper stage (CE-7.5) was developed for the third stage of the Geosynchronous Satellite Launch Vehicle (GSLV). • Statement 4 is correct: GSAT-1 was launched on GSLV-D1 in 2001 with experimental transponders to demonstrate digital audio broadcasting, internet services, and compressed digital TV transmission.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2002 (Q132)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Space & ISRO
Official Answer KeyOption (A) — 1, 2, 3 and 4

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Frequently Asked Questions — UPSC Prelims 2002 Q132

What is the official answer for UPSC Prelims 2002 GS Paper I Question 132 (Science and Technology)?

The official UPSC answer key for this 2002 Science and Technology (Space & ISRO) question is Option (A): "1, 2, 3 and 4". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2002 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?

To solve Space & ISRO 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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