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GS Paper IUPSC Prelims 2007
Health & Medicine
Question No. 429Interactive Test Mode
00:00
+2-0.66

Q429. Which one of the following is the correct sequence in the order of decreasing length of the three structural parts given below of small intestine in the human body?

Which one of the following is the correct sequence in the order of decreasing length of the three structural parts given below of small intestine in the human body?

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 (D) — Ileum - Jejunum - Duodenum

Concept & Option Breakdown

Standard Reference Verified

The human small intestine consists of three parts arranged by decreasing length as follows:

  1. Ileum (~3.5 meters / longest)
  2. Jejunum (~2.5 meters)
  3. Duodenum (~25 cm / shortest). Thus, the correct sequence in decreasing order is Ileum > Jejunum > Duodenum.
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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2007 (Q429)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (D) — Ileum - Jejunum - Duodenum

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Frequently Asked Questions — UPSC Prelims 2007 Q429

What is the official answer for UPSC Prelims 2007 GS Paper I Question 429 (Science and Technology)?

The official UPSC answer key for this 2007 Science and Technology (Health & Medicine) question is Option (D): "Ileum - Jejunum - Duodenum". 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?

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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