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GS Paper IUPSC Prelims 2020
Health & Medicine
Question No. 165Interactive Test Mode
00:00
+2-0.66

Q165. With reference to solar water pumps, consider the following statements: 1. Solar power can be used for running surface pumps and not for submersible pumps. 2. Solar power can be used for running centrifugal pumps and not the ones with piston. Which of the statements given above is/are correct?

With reference to solar water pumps, consider the following statements:

  1. Solar power can be used for running surface pumps and not for submersible pumps.
  2. Solar power can be used for running centrifugal pumps and not the ones with piston. Which of the statements given above is/are correct?
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 2020 • Science and Technology

Correct Answer: Option (D) — Neither 1 nor 2

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is incorrect: Solar photovoltaic energy can generate electricity to run both surface pumps (used for shallow water sources) and submersible pumps (used in deep borewells). Statement 2 is incorrect: Solar-powered electric motors can drive both dynamic pumps (like centrifugal pumps) and positive displacement pumps (like piston/reciprocating pumps). Solar power simply provides electricity and is not limited by the mechanical configuration of the pump.

Elimination Heuristic & Exam Approach

Both statements make overly restrictive and negative assertions ('and not for...') regarding the application of electric power to different pump types, which is logically flawed.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2020 (Q165)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (D) — Neither 1 nor 2

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Frequently Asked Questions — UPSC Prelims 2020 Q165

What is the official answer for UPSC Prelims 2020 GS Paper I Question 165 (Science and Technology)?

The official UPSC answer key for this 2020 Science and Technology (Health & Medicine) question is Option (D): "Neither 1 nor 2". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2020 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?

Both statements make overly restrictive and negative assertions ('and not for...') regarding the application of electric power to different pump types, which is logically flawed.

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Previous QuestionIn the context of recent advances in human reproductive technology. “Pronuclear Transfer” is used for
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