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Question No. 75Interactive Test Mode
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Q75. In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? 1. Location identification of a person 2. Sleep monitoring of a person 3. Assisting the hearing impaired person Select the correct answer using the code given below.

In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?

  1. Location identification of a person
  2. Sleep monitoring of a person
  3. Assisting the hearing impaired person Select the correct answer using the code given below.
Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2019 • Science and Technology

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

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is correct: Wearables such as GPS-enabled smartwatches, fitness bands, and emergency trackers provide real-time geolocation tracking.

Statement 2 is correct: Wearable health trackers monitor sleep cycles, duration, resting heart rate, and blood oxygen saturation using integrated optical photoplethysmography (PPG) sensors and accelerometers.

Statement 3 is correct: Modern hearing aids and advanced wearable audio devices (such as smart earbuds with directional microphones and active noise compensation) assist individuals with hearing impairments by amplifying and tuning sound frequencies.

Elimination Heuristic & Exam Approach

Applied technology questions in Prelims asking whether modern technologies can accomplish general, everyday tasks are broadly inclusive. All 3 are widely available consumer features.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2019 (Q75)
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 2019 Q75

What is the official answer for UPSC Prelims 2019 GS Paper I Question 75 (Science and Technology)?

The official UPSC answer key for this 2019 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 2019 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?

Applied technology questions in Prelims asking whether modern technologies can accomplish general, everyday tasks are broadly inclusive. All 3 are widely available consumer features.

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