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GS Paper IUPSC Prelims 2022
Health & Medicine
Question No. 67Interactive Test Mode
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+2-0.66

Q67. Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies?

Consider the following communication technologies:

  1. Closed-circuit Television
  2. Radio Frequency Identification
  3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies?
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 2022 • Science and Technology

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

Concept & Option Breakdown

Standard Reference Verified

Short-Range Devices (SRDs) operate over limited physical distances:

  1. CCTV systems transmit signals over a closed loop within localized building or campus premises.
  2. RFID tags communicate wirelessly over ranges from a few centimeters up to 100 meters.
  3. WLAN (e.g., Wi-Fi) provides local networking coverage typically within a range of up to 100 meters.
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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2022 (Q67)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (D) — 1, 2 and 3

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Frequently Asked Questions — UPSC Prelims 2022 Q67

What is the official answer for UPSC Prelims 2022 GS Paper I Question 67 (Science and Technology)?

The official UPSC answer key for this 2022 Science and Technology (Health & Medicine) question is Option (D): "1, 2 and 3". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2022 question belong to?

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

To solve Health & Medicine 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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