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GS Paper IUPSC Prelims 2006
Health & Medicine
Question No. 433Interactive Test Mode
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Q433. Consider the following statements: 1. ELISA test is employed as the first and most basic test for an individual to detect cancer. 2. Almost 50% of human beings have Rh+ blood while the remaining have Rh– blood. Which of the statement(s) given above is/are correct?

Consider the following statements:

  1. ELISA test is employed as the first and most basic test for an individual to detect cancer.
  2. Almost 50% of human beings have Rh+ blood while the remaining have Rh– blood. Which of the statement(s) 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 2006 • Science and Technology

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

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is incorrect: ELISA (Enzyme-Linked Immunosorbent Assay) is primarily used to detect infectious antigens/antibodies (e.g., HIV screening). Cancer diagnosis relies primarily on biopsies, imaging (CT, MRI), histopathology, and specific tumor markers. Statement 2 is incorrect: Globally, approximately 85% of human beings possess Rh-positive blood (having the D antigen), while only about 15% are Rh-negative.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2006 (Q433)
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 2006 Q433

What is the official answer for UPSC Prelims 2006 GS Paper I Question 433 (Science and Technology)?

The official UPSC answer key for this 2006 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 2006 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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