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GS Paper IUPSC Prelims 2024
Biotechnology & Genetics
Question No. 1Interactive Test Mode
00:00
+2-0.66

Q1. "Membrane Bioreactors" are often discussed in the context of:

"Membrane Bioreactors" are often discussed in the context of:

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 2024 • Science and Technology

Correct Answer: Option (D) — Wastewater treatment technologies

Concept & Option Breakdown

Standard Reference Verified

A membrane bioreactor (MBR) is an advanced and compact technology used for municipal and industrial wastewater treatment. It combines a conventional suspended growth biological reactor with membrane filtration to achieve high-efficiency solids separation and pollutant removal, effectively treating biochemical oxygen demand (BOD), total suspended solids (TSS), nitrogen, and phosphorus.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2024 (Q1)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Biotechnology & Genetics
Official Answer KeyOption (D) — Wastewater treatment technologies

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Frequently Asked Questions — UPSC Prelims 2024 Q1

What is the official answer for UPSC Prelims 2024 GS Paper I Question 1 (Science and Technology)?

The official UPSC answer key for this 2024 Science and Technology (Biotechnology & Genetics) question is Option (D): "Wastewater treatment technologies". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2024 question belong to?

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

To solve Biotechnology & Genetics 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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