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GS Paper IUPSC Prelims 2001
Health & Medicine
Question No. 475Interactive Test Mode
00:00
+2-0.66

Q475. Which organelle in the cell, other than nucleus, contains DNA?

Which organelle in the cell, other than nucleus, contains DNA?

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 2001 • Science and Technology

Correct Answer: Option (D) — Mitochondrion

Concept & Option Breakdown

Standard Reference Verified

• Option (d) is correct: Mitochondria (and chloroplasts in plants) contain their own autonomous circular double-stranded DNA (mtDNA) and 70S ribosomes, reflecting their endosymbiotic bacterial ancestry.

Elimination Heuristic & Exam Approach

Semi-autonomous organelles containing their own DNA = Mitochondria and Chloroplasts.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2001 (Q475)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (D) — Mitochondrion

Related & Repeated Prelims PYQs (2)

Questions from other UPSC Prelims years testing the same or closely linked concept.

View Cluster in 3D Graph
2001 • Q390100% Match

Which organelle in the cell, other than the nucleus contains DNA?

Science and Technology • Health & MedicineSolve
2001 • Q47683% Match

Which of the following cell organelles play the most significant role in protein synthesis?

Science and Technology • Health & MedicineSolve

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Frequently Asked Questions — UPSC Prelims 2001 Q475

What is the official answer for UPSC Prelims 2001 GS Paper I Question 475 (Science and Technology)?

The official UPSC answer key for this 2001 Science and Technology (Health & Medicine) question is Option (D): "Mitochondrion". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2001 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?

Semiautonomous organelles containing their own DNA = Mitochondria and Chloroplasts.

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