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GS Paper IUPSC Prelims 2007
Health & Medicine
Question No. 427Interactive Test Mode
00:00
+2-0.66

Q427. Production of which one of the following is a function of the liver?

Production of which one of the following is a function of the liver?

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 2007 • Science and Technology

Correct Answer: Option (B) — Urea

Concept & Option Breakdown

Standard Reference Verified
  • The liver synthesizes Urea through the urea cycle (ornithine cycle) to detoxify highly toxic ammonia generated during amino acid deamination and protein catabolism.
  • Lipase is primarily produced and secreted by the pancreas (and in minor amounts by salivary/gastric glands).
  • Mucus is secreted by goblet cells and mucous glands throughout epithelial linings.
  • Hydrochloric acid (HCl) is produced by parietal (oxyntic) cells in the gastric mucosa.
Elimination Heuristic & Exam Approach

Urea synthesis (Ornithine cycle) is an exclusive metabolic function of hepatocytes in the liver.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2007 (Q427)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (B) — Urea

Related & Repeated Prelims PYQs (1)

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2008 • Q41780% Match

Assertion (A): In human body, liver has important role in fat digestion. Reason (R): Liver produces two important fat-digesting enzymes.

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Frequently Asked Questions — UPSC Prelims 2007 Q427

What is the official answer for UPSC Prelims 2007 GS Paper I Question 427 (Science and Technology)?

The official UPSC answer key for this 2007 Science and Technology (Health & Medicine) question is Option (B): "Urea". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2007 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?

Urea synthesis (Ornithine cycle) is an exclusive metabolic function of hepatocytes in the liver.

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