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GS Paper IUPSC Prelims 1997
Health & Medicine
Question No. 501Interactive Test Mode
00:00
+2-0.66

Q501. Oxygen transportation in a human body takes place through: 1. Blood 2. Lungs 3. Tissue The correct sequence of transportation is:

Oxygen transportation in a human body takes place through:

  1. Blood
  2. Lungs
  3. Tissue

The correct sequence of transportation is:

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 1997 • Science and Technology

Correct Answer: Option (C) — 2, 1, 3

Concept & Option Breakdown

Standard Reference Verified

During respiration, atmospheric oxygen first enters the lungs (2) via inhalation, diffuses across alveolar membranes into the blood (1) where it binds to hemoglobin, and is then transported via the circulatory system to peripheral tissues (3) for cellular respiration.

Elimination Heuristic & Exam Approach

Oxygen must enter through the lungs (2) first, then be carried by the blood (1), and finally arrive at the tissues (3).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1997 (Q501)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (C) — 2, 1, 3

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Frequently Asked Questions — UPSC Prelims 1997 Q501

What is the official answer for UPSC Prelims 1997 GS Paper I Question 501 (Science and Technology)?

The official UPSC answer key for this 1997 Science and Technology (Health & Medicine) question is Option (C): "2, 1, 3". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 1997 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?

Oxygen must enter through the lungs (2) first, then be carried by the blood (1), and finally arrive at the tissues (3).

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