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GS Paper IUPSC Prelims 1997
Biotechnology & Genetics
Question No. 33Interactive Test Mode
00:00
+2-0.66

Q33. Which one of the following techniques can be used to establish the paternity of a child?

Which one of the following techniques can be used to establish the paternity of a child?

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 (D) — DNA fingerprinting

Concept & Option Breakdown

Standard Reference Verified

Option (d) is correct: DNA fingerprinting analyzes highly polymorphic Short Tandem Repeats (STRs) and VNTRs. Because a child inherits 50% of their unique genetic markers from each biological parent, it is the definitive method for establishing paternity.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1997 (Q33)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Biotechnology & Genetics
Official Answer KeyOption (D) — DNA fingerprinting

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2000 • Q2881% Match

Assertion (A): “DNA finger printing” has become a powerful tool to establish paternity and identity of criminals in rape and assault cases. Reason (R): Trace ev

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Frequently Asked Questions — UPSC Prelims 1997 Q33

What is the official answer for UPSC Prelims 1997 GS Paper I Question 33 (Science and Technology)?

The official UPSC answer key for this 1997 Science and Technology (Biotechnology & Genetics) question is Option (D): "DNA fingerprinting". 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 "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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